<?php

namespace Modules\EcommerceFinance\Services\Jushuitan;

use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\DB;
use InvalidArgumentException;
use Modules\EcommerceFinance\Services\UpstreamConnection;
use Modules\EcommerceFinance\Services\UpstreamReadOnlyQueryFactory;
use PDOException;
use RuntimeException;
use Throwable;

/**
 * 直读经营分析副本库(operations_replica)聚水潭发货明细，清洗写入 jst_oms_shipping。
 * 对齐工作平台口径：明细=一个发货单×每件商品一行(导出明细)；合并由查询层按包裹归并(导出)。
 *
 * 每行 = 一个发货单(包裹, express_details) × 其一件商品(OrderItem)。
 *  - source_id     = 发货单 id(包裹)
 *  - sku_source_id = 商品明细 id(件)
 *  - pkg_count     = '1/N'(同包裹件数)
 *  - 体积 volume_cm3 = 数量 × 长 × 宽 × 高(工作平台 Svolume 规则)
 *  - 包裹级字段(实称重量/运费)只落在首件，其余置空 —— 便于合并 SUM 不重复
 *  - 剔除补差虚拟单；并入自动发货仓(jst_Orders 已发货但不在发货明细表)
 */
class ShippingReplicaSynchronizer
{
    private const UPSTREAM_RECONNECT_RETRIES = 5;
    /** 副本库繁忙超时后的重连等待(毫秒)：逐次拉长，白天整月重跑不再因单次超时中断 */
    private const UPSTREAM_RECONNECT_BACKOFF_MS = [2000, 5000, 10000, 20000, 30000];

    private const SOURCE = 'operations_replica';
    private const DATASET = 'jst.sctrade';
    private const FREIGHT_DATASET_PREFIX = 'jst.sctrade.freight.';
    private const ITEMS_DATASET_PREFIX = 'jst.sctrade.items.';
    private const AUTOSHIP_OFFSET = 1000000000;
    private const OUTBOUND_OFFSET = 2000000000;
    private const PURCHASE_OUT_OFFSET = 3000000000;
    private const DEMO_SOURCE_IDS = [9000001, 9000002, 9000003, 9000004, 9000005, 9000006];
    private const FLUSH = 300;
    private const PRESERVED_PACKAGE_FIELDS = [
        'buyer_nick', 'seller_memo', 'package_no', 'download_time', 'freight_rate', 'freight_formula',
        'settle_volume_cm3', 'recon_weight_kg', 'recon_volume_cm3', 'front_no',
    ];
    private const PRESERVED_CONTACT_FIELDS = ['receiver_name', 'receiver_mobile', 'receiver_phone'];
    private const REFRESHED_PACKAGE_FIELDS = [
        'trade_no', 'express_name1', 'warehouse_name', 'shop_name', 'platform', 'pay_time',
        'receiver_state', 'receiver_city', 'receiver_district',
    ];
    private const PRESERVED_ITEM_FIELDS = ['finished_barcode', 'finished_name', 'finished_supplier'];

    private const VIEW = 'rpt.Jst_SendData_View_extension';
    private const OUTBOUND = 'rpt.jst_salesOutboundInfo';
    private const PURCHASE_OUT = 'rpt.jst_purchaseout';

    private int $maxExpressBatches = 5000;
    private int $maxAutoShipBatches = 600;
    private bool $skipFreight = false;
    private bool $replaceWindow = false;

    /** @var array<int,list<array<string,mixed>>> */
    private array $replacementPackages = [];
    /** @var array<int,bool> */
    private array $replacementHasFreight = [];
    /** @var array<int,bool> */
    private array $replacementHasItems = [];
    /** @var array<int,array<int,true>> */
    private array $replacementSyntheticSkuIds = [];
    private int $replacementRowCount = 0;
    private int $packagesProcessed = 0;
    private int $packagesWithoutItems = 0;
    private int $packagesRetainedForMissingItems = 0;
    private int $packagesRetainedForUnmatchedAmount = 0;
    private int $staleMirrorPackages = 0;
    private int $supersededRemoved = 0;
    private int $outboundScanned = 0;
    private int $purchaseScanned = 0;

    /** @var array<int,true> */
    private array $seenSourceIds = [];

    /** @var array<string,true> 发货明细已占用的窗口内订单号 */
    private array $expressOrderIds = [];

    /** @var list<string> */
    private array $dwsFailedDays = [];

    private readonly \Modules\EcommerceFinance\Services\UpstreamReadOnlyQuery $up;
    private readonly \Illuminate\Database\ConnectionInterface $db;

    /** @var array<int,array> */
    private array $buffer = [];

    /** @var array<string,array> 窗口内 dws 销售全量商品缓存 sourceno=>items */
    private array $dwsCache = [];

    /** @var array<string,bool> 本轮 express/autoship 已处理(含按标签排除)的出库单 io_id */
    private array $doneIo = [];

    /** @var array<string,bool> 本轮已处理的快递单号(去@) */
    private array $doneTrack = [];

    /** 已实际输出的快递单号(去@)，用于判断虚拟/补差单是否借用了别的包裹单号 */
    private array $emittedTrack = [];

    /** @var array<string,bool> 本次已吐出包裹的交易单号 */
    private array $emittedSo = [];

    /** 快递单号(去@) => [交易单号 => true]：同一单号被不同交易单号共用(合包/拼单)时，按交易单号区分是否已处理 */
    private array $doneTrackSo = [];

    /** @var array<int,true> 本轮按规则排除的包裹 source_id(取消/拆分/合并/线上发货)，窗口内旧记录需清掉 */
    private array $excludedSourceIds = [];

    /** @var array<string,string> 最近一次 loadViewItems 的 io_id => 平台(视图 shop_site，工作平台口径) */
    private array $ioSite = [];

    /** @var array<string,array{st?:string,ci?:string,di?:string}> 最近一次 loadViewItems 的 io_id => 视图收货省市区(工作平台口径) */
    private array $ioAddr = [];

    /** @var array<string,string> io_id => 出库时间 io_date(工作平台发货时间口径) */
    private array $ioDate = [];

    /** @var array<string,string> io_id => 出库单快递公司(工作平台按实际出库单取，发货明细可能停在作废前的旧分配) */
    private array $ioLc = [];

    /** @var array<string,string> io_id => 出库单发货仓 wms_co_id */
    private array $ioWms = [];

    /** @var array<string,array<string,int>> wms_co_id => [仓库名 => 次数]：从快递公司一致的发货明细行学习仓库名 */
    private array $wmsNames = [];

    /** @var array<int,string> 包裹 source_id => 出库单 wms_co_id(扫描结束后按学到的仓库名统一回填) */
    private array $pendingWarehouse = [];

    /** @var array<string,bool> io_id => 是否有效出库单(非作废/取消) */
    private array $ioOk = [];

    /** 换单配对查询超时而跳过的页数(白天副本库繁忙时，不让单页超时中断整轮同步) */
    private int $pairingSkipped = 0;

    /** 工作平台口径：快递名称为"无需物流"(补差/信誉/运费等虚拟发货)的包裹，仓库统一显示自动发货仓 */
    private const NO_LOGISTICS = '无需物流';
    private const NO_LOGISTICS_WAREHOUSE = '简尚-自动发货仓';

    /** @var array<string,string> 最近一次 loadViewItems 的 io_id => 视图店铺名(发货明细缺店铺时兜底) */
    private array $ioShop = [];

    /** @var array<string,string> 最近一次 loadViewItems 的 io_id => 视图快递名称 expressName(工作平台显示的快递名称) */
    private array $ioExpress = [];

    /** @var array<string,string> 最近一次 loadViewItems 的 io_id => 视图发货仓 wareHoursName(工作平台显示的仓库) */
    private array $ioWare = [];
    /** @var array<string,array{l_id:mixed,send_date:mixed,status:?string,online:bool}> 已查询订单元数据缓存 o_id=>字段 */
    private array $orderMetadata = [];

    /** @var array<string,array> 窗口内出库单映射(见 emptyIoMap) */
    private array $outboundMap = ['byL' => [], 'byO' => [], 'byLO' => [], 'byOAll' => [], 'ioL' => []];

    public function __construct(UpstreamReadOnlyQueryFactory $factory)
    {
        $this->up = $factory->forSource(self::SOURCE);
        $this->db = DB::connection((string) config('jushuitan.connection', 'jushuitan_local'));
        $this->db->disableQueryLog();
    }

    public static function make(): self
    {
        return new self(app(UpstreamReadOnlyQueryFactory::class));
    }

    public function sync(?Carbon $from = null, ?Carbon $to = null, int $limit = 2000, ?callable $progress = null, bool $skipFreight = false): array
    {
        $this->markRunning();
        try {
            $windowed = $from && $to;
            if ($skipFreight && ! $windowed) {
                throw new InvalidArgumentException('跳过运费仅支持指定起止日期的历史补录。');
            }
            $this->skipFreight = $skipFreight;
            $this->replaceWindow = (bool) $windowed;
            $this->packagesProcessed = 0;
            $this->packagesWithoutItems = 0;
            $this->packagesRetainedForMissingItems = 0;
            $this->packagesRetainedForUnmatchedAmount = 0;
            $this->staleMirrorPackages = 0;
            $this->supersededRemoved = 0;
            $this->outboundScanned = 0;
            $this->purchaseScanned = 0;
            $this->seenSourceIds = [];
            $this->expressOrderIds = [];
            $this->dwsFailedDays = [];
            $now = now();
            $fromS = $windowed ? $from->format('Y-m-d H:i:s') : null;
            $toS = $windowed ? $to->format('Y-m-d H:i:s') : null;
            if ($skipFreight) {
                $this->markFreightIncomplete($fromS, $toS);
            }

            $this->db->table('jst_oms_shipping')->whereIn('source_id', self::DEMO_SOURCE_IDS)->delete();
            if ($skipFreight && $progress) {
                $progress('仅补数量：按包裹分批替换，已有运费/结算重量在事务中保留；不预删日期窗口');
            }

            $total = 0;
            $auto = 0;
            $outb = 0;
            $pout = 0;
            $this->doneIo = [];
            $this->doneTrack = [];
            $this->emittedTrack = [];
            $this->emittedSo = [];
            $this->doneTrackSo = [];
            $this->excludedSourceIds = [];
            $this->ioDate = [];
            $this->ioLc = [];
            $this->ioWms = [];
            $this->wmsNames = [];
            $this->pendingWarehouse = [];
            $this->ioOk = [];
            $this->pairingSkipped = 0;
            if ($windowed) {
                $this->preloadDws($from, $to);
                $this->preloadOutboundMap($fromS, $toS);
                if ($progress) {
                    $progress('dws 预载完成：' . count($this->dwsCache) . ' 个 sourceno');
                    $progress(sprintf(
                        '出库映射预载完成：%d 个快递单号，%d 个内部单号',
                        count($this->outboundMap['byL']),
                        count($this->outboundMap['byO']),
                    ));
                }
                $total = $this->syncExpress(true, $fromS, $toS, $limit, $now, $progress);
                $this->applyPendingWarehouses($progress);
                $this->orderMetadata = []; // 全表扫描后释放(数百万订单)，后续各步不再使用
                gc_collect_cycles();
                $auto = $this->syncAutoShip($fromS, $toS, $now, $progress);
                $outb = $this->syncOutbound($fromS, $toS, $now, $progress);
                $pout = $this->syncPurchaseOut($fromS, $toS, $now, $progress);
                $purged = $this->purgeExcludedPackages($fromS, $toS);
                if ($progress && $purged > 0) {
                    $progress('清除已排除包裹(取消/拆分/合并/线上发货)：' . $purged . ' 行');
                }
                $this->staleMirrorPackages = $this->countUnseenMirrorPackages($fromS, $toS);
                if (! $skipFreight && $this->staleMirrorPackages === 0) {
                    $removed = $this->dedupAtPrefix($fromS, $toS);
                    if ($progress && $removed > 0) {
                        $progress('去除@重复单号：' . $removed . ' 条');
                    }
                }
            } else {
                $total = $this->syncExpress(false, $fromS, $toS, $limit, $now, $progress);
                $this->applyPendingWarehouses($progress);
            }

            if ($windowed && ! $skipFreight && $this->staleMirrorPackages === 0) {
                $this->markCovered(self::FREIGHT_DATASET_PREFIX, $fromS, $toS);
            }

            if ($windowed && ($this->dwsFailedDays !== [] || $this->packagesWithoutItems > 0
                || $this->packagesRetainedForUnmatchedAmount > 0)) {
                $this->markItemsIncomplete($fromS, $toS);
            } elseif ($windowed && ! $skipFreight && $this->staleMirrorPackages === 0) {
                $this->markCovered(self::ITEMS_DATASET_PREFIX, $fromS, $toS);
            }

            $result = ['processed' => $total, 'autoship' => $auto];
            if ($windowed) {
                $result['outbound'] = $outb;
                $result['purchase_out'] = $pout;
                $result['packages'] = $this->packagesProcessed;
                $result['unique_packages'] = count($this->seenSourceIds);
                $result['packages_without_items'] = $this->packagesWithoutItems;
                $result['packages_retained_for_missing_items'] = $this->packagesRetainedForMissingItems;
                $result['packages_retained_for_unmatched_amount'] = $this->packagesRetainedForUnmatchedAmount;
                $result['dws_failed_days'] = $this->dwsFailedDays;
                $result['stale_mirror_packages'] = $this->staleMirrorPackages;
                $result['superseded_packages_removed'] = $this->supersededRemoved;
                $result['tracking_pairing_skipped_pages'] = $this->pairingSkipped;
            }
            if ($skipFreight) {
                $result['freight_incomplete'] = true;
            }

            if ($this->staleMirrorPackages > 0) {
                $this->markIncompleteWindow($this->staleMirrorPackages);
            } else {
                $this->markSucceeded();
            }
            return $result;
        } catch (Throwable $e) {
            $this->markFailed($e->getMessage());
            throw $e;
        } finally {
            $this->dwsCache = [];
            $this->orderMetadata = [];
            $this->outboundMap = ['byL' => [], 'byO' => [], 'byLO' => [], 'byOAll' => [], 'ioL' => []];
            $this->replacementPackages = [];
            $this->replacementHasFreight = [];
            $this->replacementHasItems = [];
            $this->replacementSyntheticSkuIds = [];
            $this->replacementRowCount = 0;
            $this->skipFreight = false;
            $this->replaceWindow = false;
            $this->dwsFailedDays = [];
            $this->seenSourceIds = [];
            $this->expressOrderIds = [];
            gc_collect_cycles();
        }
    }

    /** @X 与 X 仅在同一订单、同一发货日去重；提供日期窗口时不使用窗口外记录作匹配；剩余 @ 前缀统一去掉。 */
    public function dedupAtPrefix(?string $fromS = null, ?string $toS = null): int
    {
        $query = $this->db->table('jst_oms_shipping')
            ->whereNotNull('express_no')->where('express_no', '!=', '');
        if ($fromS !== null && $toS !== null) {
            $query->where('ship_time', '>=', $fromS)->where('ship_time', '<', $toS);
        }
        $clean = [];
        $prefixed = [];
        foreach ($query->distinct()->cursor(['source_id', 'trade_no', 'express_no', 'ship_time']) as $row) {
            $tradeNo = trim((string) $row->trade_no);
            $expressNo = (string) $row->express_no;
            $sourceId = (int) $row->source_id;
            $shipDate = substr((string) $row->ship_time, 0, 10);
            if ($tradeNo === '' || $sourceId <= 0 || $shipDate === '') {
                continue;
            }
            if ($expressNo[0] === '@') {
                $prefixed[$sourceId] = [$tradeNo, $shipDate, substr($expressNo, 1)];
            } else {
                $clean[$tradeNo][$shipDate][$expressNo] = true;
            }
        }
        $toDel = [];
        foreach ($prefixed as $sourceId => [$tradeNo, $shipDate, $expressNo]) {
            if ($expressNo !== '' && isset($clean[$tradeNo][$shipDate][$expressNo])) {
                $toDel[] = $sourceId;
            }
        }
        $removed = 0;
        foreach (array_chunk($toDel, 500) as $chunk) {
            $delete = $this->db->table('jst_oms_shipping')->whereIn('source_id', $chunk);
            if ($fromS !== null && $toS !== null) {
                $delete->where('ship_time', '>=', $fromS)->where('ship_time', '<', $toS);
            }
            $removed += (int) $delete->delete();
        }
        // 剩余 @X：工作平台导出单号不带 @，统一去掉前缀(只处理本次窗口)
        $strip = $this->db->table('jst_oms_shipping')->where('express_no', 'like', '@%');
        if ($fromS !== null && $toS !== null) {
            $strip->where('ship_time', '>=', $fromS)->where('ship_time', '<', $toS);
        }
        $strip->update(['express_no' => $this->db->raw('SUBSTR(express_no, 2)')]);

        return $removed;
    }

    /** 主口径：发货单(dlv 镜像) × 每件商品。 */
    private function syncExpress(bool $windowed, ?string $fromS, ?string $toS, int $limit, $now, ?callable $progress = null): int
    {
        $batch = 1500;
        $maxBatches = $this->maxExpressBatches;
        $cols = 'e.id, e.so_id, e.inner_order_id, e.logistic_id, e.logistic_company_name, e.send_time, e.pay_time, '
            . 'e.shop_name, e.platform_name, e.dis_co_name, e.warehouse_name, e.receiver_address, '
            . 'e.weight, e.f_weight, e.buyer_message, e.order_labels';

        // 窗口模式：只按主键 e.id 翻页(有索引，毫秒级)，send_time 窗口过滤放到 PHP，
        // 避免每页都对无索引的 send_time 做全表扫描(那是"卡死"的真凶)。
        $fromTs = $fromS !== null ? strtotime($fromS) : null;
        $toTs = $toS !== null ? strtotime($toS) : null;

        $total = 0;
        $scanned = 0;
        $lastId = null;
        for ($b = 0; $b <= $maxBatches; $b++) {
            $where = $windowed ? '1 = 1' : 'e.send_time IS NOT NULL';
            $bind = [];
            if ($lastId !== null) {
                $where .= ' AND e.id < ?';
                $bind[] = $lastId;
            }
            $sql = "SELECT TOP {$batch} {$cols} FROM rpt.jst_order_express_details e "
                . "WHERE {$where} ORDER BY e.id DESC";
            $rows = $this->selectWithReconnect($sql, $bind);
            if ($rows === []) {
                break;
            }
            if ($b === $maxBatches) {
                throw new RuntimeException('发货扫描达到批次上限，仍有未读取的上游数据。');
            }
            $cnt = count($rows);
            $scanned += $cnt;
            foreach ($rows as $r) {
                $lastId = $r['id'];
            }

            // 主表分页不联接订单表；每页只按 inner_order_id 分块补齐订单字段，
            // 并复用已经缓存的结果，避免 LEFT JOIN 在大历史窗口上拖垮游标。
            $this->loadOrderMetadataForRows($rows);
            $rows = array_map(fn (array $row): array => $this->mergeOrderMetadata($row), $rows);

            if ($windowed) {
                $kept = [];
                foreach ($rows as $r) {
                    $jd = $r['jo_send'] ?? null;
                    $joTs = ($jd !== null && $jd !== '') ? strtotime((string) $jd) : null;
                    $oid = (string) ($r['inner_order_id'] ?? '');
                    if ($oid !== '' && $joTs !== null && $joTs !== false && $joTs >= $fromTs && $joTs < $toTs) {
                        $this->expressOrderIds[$oid] = true;
                    }
                    $st = $r['send_time'] ?? null;
                    $ts = ($st !== null && $st !== '') ? strtotime((string) $st) : null;
                    if ($ts === null) {
                        $ts = $joTs;
                    }
                    if ($ts !== null && $ts >= $fromTs && $ts < $toTs) {
                        $kept[] = $r;
                    }
                }
                $rows = $kept;
            }

            $oids = [];
            $soIds = [];
            $logs = [];
            foreach ($rows as $r) {
                $so = (string) ($r['so_id'] ?? '');
                if ($so !== '') {
                    $soIds[$so] = true;
                }
                $oid = (string) ($r['inner_order_id'] ?? '');
                if ($oid !== '') {
                    $oids[$oid] = true;
                }
                $lg = (string) ($r['logistic_id'] ?? '');
                if ($lg !== '') {
                    $logs[$lg] = true;
                }
            }
            [$byOid, $bySo] = $this->loadAllItems(array_keys($oids), array_keys($soIds), ! $windowed);
            $dws = [];
            foreach (array_keys($soIds) as $mso) {
                if (empty($bySo[$mso]) && ! empty($this->dwsCache[$mso])) {
                    $dws[$mso] = $this->dwsCache[$mso];
                }
            }
            // 主口径：发货数据视图按出库单(io_id)取实发商品
            $ioMap = $this->ioMapFor($windowed, array_keys($logs), array_keys($oids));
            $swap = $this->pairChangedTracking($rows, $ioMap);
            $ioIds = [];
            foreach ($rows as $r) {
                $io = isset($swap[(string) ($r['id'] ?? '')])
                    ? $swap[(string) $r['id']]['io']
                    : $this->ioFor($ioMap, (string) ($r['logistic_id'] ?? ''), (string) ($r['inner_order_id'] ?? ''));
                if ($io !== '') {
                    $ioIds[$io] = true;
                }
            }
            $viewItems = $this->loadViewItems(array_keys($ioIds));
            $skus = $this->loadSkus($this->collectSkuIds($byOid, $bySo, $dws, $viewItems));
            $freight = $this->skipFreight ? [] : $this->loadFreight(array_keys($soIds));

            foreach ($rows as $r) {
                $pkgId = (int) ($r['id'] ?? 0);
                if ($pkgId === 0) {
                    continue;
                }
                if (in_array((string) ($r['jo_status'] ?? ''), ['Cancelled', 'Split', 'Merged'], true)) {
                    // 订单已取消/已拆分/已合并：实际发货在子单或合并单上，工作平台不出此行。
                    // 只登记本行自己的单号，不登记订单单号(可能是子单真实单号，需留给出库单兜底)
                    $this->markDone('', (string) ($r['logistic_id'] ?? ''));
                    $this->markTrackSo((string) ($r['so_id'] ?? ''), (string) ($r['logistic_id'] ?? ''));
                    $this->excludeSource($pkgId);
                    continue;
                }
                $sw = $swap[(string) $pkgId] ?? null;
                if ($sw !== null) {
                    // 换单：快递明细仍是旧单号，出库单已换成新单号 → 用新单号与对应出库单(工作平台口径)
                    $r['logistic_id'] = $sw['l_id'];
                }
                $this->markDone(
                    $sw !== null ? $sw['io'] : $this->ioFor($ioMap, (string) ($r['logistic_id'] ?? ''), (string) ($r['inner_order_id'] ?? '')),
                    (string) ($r['logistic_id'] ?? ''),
                    (string) ($r['jo_lid'] ?? ''),
                    $sw !== null ? $sw['old'] : ''
                );
                $this->markTrackSo((string) ($r['so_id'] ?? ''), (string) ($r['logistic_id'] ?? ''), (string) ($r['jo_lid'] ?? ''));
                if ($this->excludedByLabel($r['order_labels'] ?? null) || $this->excludedByLabel($r['jo_labels'] ?? null)) {
                    $this->excludeSource($pkgId);
                    continue; // 线上发货(平台代发/云仓)：工作平台不拉，对齐排除(发货明细标签可能滞后，订单标签一并判断)
                }
                $so = (string) ($r['so_id'] ?? '');
                $oid = (string) ($r['inner_order_id'] ?? '');
                $io = $sw !== null ? $sw['io'] : $this->ioFor($ioMap, (string) ($r['logistic_id'] ?? ''), $oid);
                $items = ($io !== '' && ! empty($viewItems[$io]))
                    ? $viewItems[$io]
                    : $this->itemsFor($byOid, $bySo, $dws, $oid, $so);
                if (trim((string) ($r['logistic_id'] ?? '')) === '') {
                    // 发货明细无单号：出库单单号 → 订单单号 → 空(不借运费表里同订单其它包裹的单号)
                    $ioLid = ($io !== '') ? (string) ($ioMap['ioL'][$io] ?? '') : '';
                    $joLid = trim((string) ($r['jo_lid'] ?? ''));
                    $tracking = $ioLid !== '' ? $ioLid : ($joLid !== '' ? $joLid : null);
                } else {
                    $tracking = $this->tracking((string) ($r['logistic_id'] ?? ''), (string) ($r['jo_lid'] ?? ''), $freight, $so);
                }
                // 发货时间 = 出库单 io_date(工作平台口径，样本 400/400 一致)，缺失时回落发货明细时间
                $shipTime = ($io !== '' ? $this->ts($this->ioDate[$io] ?? null) : null)
                    ?? $this->ts($r['send_time'] ?? null) ?? $this->ts($r['jo_send'] ?? null);
                $pkg = $this->pkgFromExpress($r, $tracking, $shipTime);
                $pkg = $this->withOutboundCarrier($io, $r, $pkg, $pkgId);
                $pkg = $this->withViewCarrier($io, $pkg, $pkgId);
                $pkg['platform'] = $this->platformOf($io, $pkg['platform']);
                $pkg = $this->withViewAddr($io, $pkg);
                $total += $this->emitPackage($pkgId, $pkg, $items, $skus, $freight, $so, $tracking, $now);
            }

            unset($rows, $byOid, $bySo, $dws, $skus, $freight);
            if ($b % 20 === 0) {
                gc_collect_cycles();
            }
            if ($progress && $b % 20 === 0) {
                $progress(sprintf('发货：已扫描 %d 行，命中窗口 %d 件', $scanned, $total));
            }
            if ($cnt < $batch) {
                break;
            }
            if (! $windowed && $total >= $limit) {
                break;
            }
        }
        if ($progress) {
            $progress(sprintf('发货完成：扫描 %d 行，处理 %d 件', $scanned, $total));
        }
        $this->flushPending();

        return $total;
    }

    /** 按当前页订单键补齐订单字段，并复用已缓存的结果。 */
    private function loadOrderMetadataForRows(array $rows): void
    {
        $oids = [];
        foreach ($rows as $row) {
            $oid = (string) ($row['inner_order_id'] ?? '');
            if ($oid !== '' && ! array_key_exists($oid, $this->orderMetadata)) {
                $oids[$oid] = true;
            }
        }
        foreach (array_chunk(array_keys($oids), 800) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            $sql = "SELECT o_id, l_id, send_date, status, labels FROM rpt.jst_Orders om WHERE om.o_id IN ({$ph})";
            foreach ($this->selectWithReconnect($sql, $chunk) as $row) {
                $oid = (string) ($row['o_id'] ?? '');
                if ($oid === '') {
                    continue;
                }
                // 全表扫描会缓存数百万订单：只留判断需要的精简字段(状态仅存会被排除的三种，标签只存是否线上发货)
                $st = (string) ($row['status'] ?? '');
                $this->orderMetadata[$oid] = [
                    'l_id' => $row['l_id'] ?? null,
                    'send_date' => $row['send_date'] ?? null,
                    'status' => in_array($st, ['Cancelled', 'Split', 'Merged'], true) ? $st : null,
                    'online' => $this->excludedByLabel($row['labels'] ?? null),
                ];
            }
            foreach ($chunk as $oid) {
                // 记录无匹配订单，避免后续分页反复查询同一个缺失键。
                $this->orderMetadata[$oid] ??= ['l_id' => null, 'send_date' => null, 'status' => null, 'online' => false];
            }
        }
    }

    /** 将订单元数据映射到发货明细，保留测试/兼容来源已提供的字段。 */
    private function mergeOrderMetadata(array $row): array
    {
        $oid = (string) ($row['inner_order_id'] ?? '');
        $metadata = $oid !== '' ? ($this->orderMetadata[$oid] ?? []) : [];
        if (($row['jo_lid'] ?? '') === '' && ($metadata['l_id'] ?? '') !== '') {
            $row['jo_lid'] = $metadata['l_id'];
        }
        if (($row['jo_send'] ?? '') === '' && ($metadata['send_date'] ?? '') !== '') {
            $row['jo_send'] = $metadata['send_date'];
        }
        // 订单状态/标签：取消/拆分/合并 与 订单级"线上发货"标签的排除判断用
        if (($row['jo_status'] ?? '') === '' && ($metadata['status'] ?? '') !== '') {
            $row['jo_status'] = $metadata['status'];
        }
        if (($row['jo_labels'] ?? '') === '' && ! empty($metadata['online'])) {
            $row['jo_labels'] = '线上发货';
        }

        return $row;
    }

    /** @return list<array<string,mixed>> */
    private function selectWithReconnect(string $sql, array $bindings): array
    {
        for ($retry = 0; ; $retry++) {
            try {
                return $this->up->select($sql, $bindings);
            } catch (PDOException $e) {
                if (! $this->isTransientCursorFailure($e) || $retry >= self::UPSTREAM_RECONNECT_RETRIES) {
                    throw $e;
                }

                // select() returns only after fetchAll(), so no partial result was consumed.
                UpstreamConnection::reset(self::SOURCE);
                if (! app()->runningUnitTests()) {
                    usleep(1000 * (self::UPSTREAM_RECONNECT_BACKOFF_MS[$retry] ?? 30000));
                }
            }
        }
    }

    private function isTransientCursorFailure(PDOException $e): bool
    {
        $message = strtolower($e->getMessage());

        return str_contains($message, 'pdo_dblib: dbnextrow() returned fail')
            || str_contains($message, 'adaptive server connection timed out [20003]');
    }

    /** 并入自动发货仓：jst_Orders 已发货但不在发货明细表。 */
    private function syncAutoShip(string $fromS, string $toS, $now, ?callable $progress = null): int
    {
        $batch = 400;
        $maxBatches = $this->maxAutoShipBatches;
        $cols = 'o.Id AS rid, o.o_id, o.so_id, o.l_id, o.logistics_company, o.order_from, o.labels, '
            . 'o.shop_name, o.send_date, o.pay_date, o.weight, o.buyer_message, '
            . 'o.receiver_state, o.receiver_city, o.receiver_district, o.receiver_address, '
            . 'o.receiver_name, o.receiver_mobile, o.receiver_phone';

        $total = 0;
        $lastRid = null;

        for ($b = 0; $b <= $maxBatches; $b++) {
            $where = "o.status = 'Sent' AND o.send_date >= ? AND o.send_date < ?";
            $bind = [$fromS, $toS];
            if ($lastRid !== null) {
                $where .= ' AND o.Id < ?';
                $bind[] = $lastRid;
            }
            $sql = "SELECT TOP {$batch} {$cols} FROM rpt.jst_Orders o WHERE {$where} ORDER BY o.Id DESC";
            $rows = $this->selectWithReconnect($sql, $bind);
            if ($rows === []) {
                break;
            }
            if ($b === $maxBatches) {
                throw new RuntimeException('代发仓扫描达到批次上限，仍有未读取的上游数据。');
            }

            $cnt = count($rows);
            $eligible = [];
            foreach ($rows as $r) {
                $lastRid = $r['rid'];
                $oid = (string) ($r['o_id'] ?? '');
                if ($oid !== '' && ! isset($this->expressOrderIds[$oid])) {
                    $eligible[] = $r;
                }
            }
            $rows = $eligible;

            $oids = [];
            $soIds = [];
            $logs = [];
            foreach ($rows as $r) {
                $so = (string) ($r['so_id'] ?? '');
                if ($so !== '') {
                    $soIds[$so] = true;
                }
                $oid = (string) ($r['o_id'] ?? '');
                if ($oid !== '') {
                    $oids[$oid] = true;
                }
                $lg = (string) ($r['l_id'] ?? '');
                if ($lg !== '') {
                    $logs[$lg] = true;
                }
            }
            [$byOid, $bySo] = $this->loadAllItems(array_keys($oids), array_keys($soIds), false);
            $dws = [];
            foreach (array_keys($soIds) as $mso) {
                if (empty($bySo[$mso]) && ! empty($this->dwsCache[$mso])) {
                    $dws[$mso] = $this->dwsCache[$mso];
                }
            }
            $ioMap = $this->ioMapFor(true, array_keys($logs), array_keys($oids));
            $ioIds = [];
            foreach ($rows as $r) {
                $io = $this->ioFor($ioMap, (string) ($r['l_id'] ?? ''), (string) ($r['o_id'] ?? ''));
                if ($io !== '') {
                    $ioIds[$io] = true;
                }
            }
            $viewItems = $this->loadViewItems(array_keys($ioIds));
            $skus = $this->loadSkus($this->collectSkuIds($byOid, $bySo, $dws, $viewItems));
            $freight = $this->skipFreight ? [] : $this->loadFreight(array_keys($soIds));

            foreach ($rows as $r) {
                $oid = (string) ($r['o_id'] ?? '');
                if ($oid === '') {
                    continue;
                }
                // 单号已属于其它包裹(发货明细已出)：本单是虚拟/补差单，工作平台此类行快递单号为空
                $tracking = $this->tracking((string) ($r['l_id'] ?? ''), '', $freight, (string) ($r['so_id'] ?? ''));
                if ($tracking !== null && isset($this->emittedTrack[ltrim(trim($tracking), '@')])) {
                    $tracking = null;
                }
                $this->markDone($this->ioFor($ioMap, (string) ($r['l_id'] ?? ''), $oid), (string) ($r['l_id'] ?? ''));
                $this->markTrackSo((string) ($r['so_id'] ?? ''), (string) ($r['l_id'] ?? ''));
                if ($this->excludedByLabel($r['labels'] ?? null)) {
                    $this->excludeSource(self::AUTOSHIP_OFFSET + (int) $oid);
                    continue; // 线上发货：对齐排除
                }
                $so = (string) ($r['so_id'] ?? '');
                $io = $this->ioFor($ioMap, (string) ($r['l_id'] ?? ''), $oid);
                $items = ($io !== '' && ! empty($viewItems[$io]))
                    ? $viewItems[$io]
                    : $this->itemsFor($byOid, $bySo, $dws, $oid, $so);
                $shipTime = ($io !== '' ? $this->ts($this->ioDate[$io] ?? null) : null) ?? $this->ts($r['send_date'] ?? null);
                $pkg = $this->pkgFromOrder($r, $tracking, $shipTime);
                $pkg['platform'] = $this->platformOf($io, $pkg['platform']);
                $pkg = $this->withViewAddr($io, $pkg);
                $pkgId = self::AUTOSHIP_OFFSET + (int) $oid;
                $pkg = $this->withViewCarrier($io, $pkg, $pkgId);
                $total += $this->emitPackage($pkgId, $pkg, $items, $skus, $freight, $so, $tracking, $now, true);
            }
            unset($rows, $byOid, $bySo, $dws, $skus, $freight);
            if ($b % 30 === 0) {
                gc_collect_cycles();
            }
            if ($cnt < $batch) {
                break;
            }
        }
        if ($progress) {
            $progress(sprintf('代发仓完成：处理 %d 件', $total));
        }
        $this->flushPending();

        return $total;
    }

    /**
     * 平台统一为工作平台口径：优先取发货数据视图 shop_site；视图没有时把原始平台名映射到工作平台归类名。
     */
    private function platformOf(string $io, mixed $raw): ?string
    {
        if ($io !== '' && isset($this->ioSite[$io])) {
            return $this->ioSite[$io];
        }
        $raw = trim((string) ($raw ?? ''));
        if ($raw === '') {
            return null;
        }
        $base = strtoupper(explode(',', $raw)[0]);
        $map = [
            '天猫' => '淘宝天猫', '淘宝' => '淘宝天猫', '京东' => '京东商城', 'MOBILE' => '京东商城', 'PC' => '京东商城',
            '1688' => '阿里巴巴', '抖音' => '头条放心购', 'TOUTIAOFXG' => '头条放心购', 'PINDUODUO' => '拼多多',
            'DEWU' => '得物', '线下' => '线下店铺',
        ];

        return $map[$base] ?? $raw;
    }

    /** 记下按规则排除的包裹；同步结束后清掉它在本窗口里的旧记录(此前版本可能写入过)。 */
    private function excludeSource(int $sourceId): void
    {
        if ($sourceId > 0) {
            $this->excludedSourceIds[$sourceId] = true;
        }
    }

    /**
     * 清除本窗口内"本轮明确排除"的包裹旧记录，并视为已扫描(不计入未见镜像包裹)。
     * 只删明确排除的 source_id，未出现在上游扫描里的其它旧记录仍按原逻辑保留待核。
     */
    private function purgeExcludedPackages(string $fromS, string $toS): int
    {
        $this->flushPending();
        $ids = [];
        foreach (array_keys($this->excludedSourceIds) as $id) {
            if (! isset($this->seenSourceIds[$id])) {
                $ids[] = $id;
                $this->seenSourceIds[$id] = true;
            }
        }
        $removed = 0;
        foreach (array_chunk($ids, 500) as $chunk) {
            $removed += (int) $this->db->table('jst_oms_shipping')->whereIn('source_id', $chunk)
                ->where('ship_time', '>=', $fromS)->where('ship_time', '<', $toS)->delete();
        }
        $this->excludedSourceIds = [];

        return $removed;
    }

    /** 登记 单号×交易单号 已处理。 */
    private function markTrackSo(string $so, string ...$tracks): void
    {
        $so = trim($so);
        foreach ($tracks as $t) {
            $t = ltrim(trim($t), '@');
            if ($t !== '') {
                $this->doneTrackSo[$t][$so] = true;
            }
        }
    }

    /** 登记已处理的出库单/快递单号，供兜底 pass 防重复。 */
    private function markDone(string $io, string ...$tracks): void
    {
        if ($io !== '') {
            $this->doneIo[$io] = true;
        }
        foreach ($tracks as $t) {
            $t = ltrim(trim($t), '@');
            if ($t !== '') {
                $this->doneTrack[$t] = true;
            }
        }
    }

    /**
     * 兜底：出库单(按 io_date 窗口)里 express/autoship 都没处理过的包裹，按发货数据视图补吐。
     * 典型：工厂代发仓/自有仓出库单无订单行、或同订单其它包裹在发货明细而本包裹不在。
     * 防重复按 io_id + 快递单号(去@)，不按订单号。
     */
    private function syncOutbound(string $fromS, string $toS, $now, ?callable $progress = null): int
    {
        $mm = $this->selectWithReconnect('SELECT MIN(Id) AS lo, MAX(Id) AS hi FROM ' . self::OUTBOUND . ' WHERE io_date >= ? AND io_date < ?', [$fromS, $toS]);
        $lo = (int) ($mm[0]['lo'] ?? 0);
        $hi = (int) ($mm[0]['hi'] ?? 0);
        if ($lo <= 0 || $hi < $lo) {
            if ($progress) {
                $progress('出库单兜底：窗口内无出库单');
            }

            return 0;
        }
        $step = max(5000, (int) ceil(($hi - $lo + 1) / 400));
        $cols = 'io_id, o_id, so_id, l_id, io_date, pay_date, shop_name, labels, status, logistics_company, weight, '
            . 'buyer_message, receiver_state, receiver_city, receiver_district, receiver_phone';

        $total = 0;
        $scanned = 0;
        $emitted = 0;
        $skip = ['done' => 0, 'notrack' => 0, 'status' => 0, 'label' => 0, 'noitem' => 0];
        $virtualEmitted = 0;
        $seen = [];
        $page = 0;
        for ($a = $lo; $a <= $hi; $a += $step) {
            $page++;
            $rows = $this->selectWithReconnect(
                "SELECT {$cols} FROM " . self::OUTBOUND . ' WHERE Id >= ? AND Id < ? AND io_date >= ? AND io_date < ?',
                [$a, $a + $step, $fromS, $toS]
            );
            $scanned += count($rows);
            $this->outboundScanned += count($rows);
            $pick = [];
            foreach ($rows as $r) {
                $io = (string) ($r['io_id'] ?? '');
                if ($io === '' || isset($seen[$io])) {
                    continue;
                }
                $seen[$io] = true;
                $lid = trim((string) ($r['l_id'] ?? ''));
                // 无单号出库单一般跳过；但"无需物流"的虚拟发货(信誉/补差/运费等)工作平台收在自动发货仓、快递单号为空，需补吐
                $virtual = trim((string) ($r['logistics_company'] ?? '')) === self::NO_LOGISTICS;
                if ($lid === '' && ! $virtual) {
                    $skip['notrack']++;
                    continue;
                }
                if (isset($this->doneIo[$io])) {
                    $skip['done']++;
                    continue;
                }
                // 单号已处理过：若是别的交易单号共用此单号(合包/拼单)，仍要补吐；交易单号要等视图表头加载后判断
                $r['_trk_done'] = $lid !== '' && isset($this->doneTrack[ltrim($lid, '@')]);
                $st = (string) ($r['status'] ?? '');
                if (stripos($st, 'cancel') !== false || stripos($st, 'delete') !== false) {
                    $skip['status']++;
                    continue;
                }
                if ($this->excludedByLabel($r['labels'] ?? null)) {
                    $skip['label']++;
                    continue;
                }
                $pick[$io] = $r;
            }
            if ($pick !== []) {
                $ioIds = array_map('strval', array_keys($pick));
                $viewItems = $this->loadViewItems($ioIds);
                $heads = $this->loadViewHeads($ioIds);
                $soIds = [];
                foreach ($pick as $pio => $r) {
                    $so = $this->outboundSo($r, $heads[(string) $pio] ?? []);
                    if ($so !== '') {
                        $soIds[$so] = true;
                    }
                }
                $skus = $this->loadSkus($this->collectSkuIds($viewItems));
                $freight = $this->skipFreight ? [] : $this->loadFreight(array_map('strval', array_keys($soIds)));
                foreach ($pick as $io => $r) {
                    $io = (string) $io;
                    if (empty($viewItems[$io])) {
                        $skip['noitem']++;
                        continue;
                    }
                    $h = $heads[$io] ?? [];
                    $so = $this->outboundSo($r, $h);
                    $tracking = trim((string) ($r['l_id'] ?? ''));
                    if (! empty($r['_trk_done'])) {
                        $t0 = ltrim($tracking, '@');
                        if ($so === '' || empty($this->doneTrackSo[$t0]) || isset($this->doneTrackSo[$t0][$so])) {
                            $skip['done']++;
                            continue;
                        }
                    }
                    $pkg = $this->pkgFromOutbound($r, $tracking !== '' ? $tracking : null, $this->ts($r['io_date'] ?? null), $h, $so);
                    $pkg = $this->withViewAddr($io, $pkg);
                    $pkg = $this->withViewCarrier($io, $pkg, self::OUTBOUND_OFFSET + (int) $io);
                    if (trim((string) ($pkg['express_name1'] ?? '')) === self::NO_LOGISTICS) {
                        if (empty($this->ioWare[$io])) {
                            $pkg['warehouse_name'] = self::NO_LOGISTICS_WAREHOUSE;
                        }
                        $virtualEmitted++;
                    }
                    $total += $this->emitPackage(self::OUTBOUND_OFFSET + (int) $io, $pkg, $viewItems[$io], $skus, $freight, $so, $tracking !== '' ? $tracking : null, $now, true);
                    $this->markDone($io, $tracking);
                    $this->markTrackSo($so, $tracking);
                    $emitted++;
                }
                unset($viewItems, $heads, $skus, $freight);
            }
            if ($progress && $page % 40 === 0) {
                $progress(sprintf('出库单兜底：已扫描 %d 行，补吐 %d 包裹', $scanned, $emitted));
            }
        }
        $this->flushPending();
        if ($progress) {
            $progress(sprintf(
                '出库单兜底完成：扫描 %d 行，补吐 %d 包裹 / %d 行(其中无需物流虚拟发货 %d 包裹)；跳过 已处理%d 无单号%d 取消删除%d 标签%d 无商品%d',
                $scanned, $emitted, $total, $virtualEmitted, $skip['done'], $skip['notrack'], $skip['status'], $skip['label'], $skip['noitem']
            ));
        }

        return $total;
    }

    /**
     * 采购退货出库(退回供应商)：工作平台的发货数据视图收录了其中走物流的那部分，按视图补吐。
     * 无交易单号/店铺/平台；仓库取视图(发货仓)，收货信息取采购退货单。
     */
    private function syncPurchaseOut(string $fromS, string $toS, $now, ?callable $progress = null): int
    {
        $rows = $this->selectWithReconnect(
            'SELECT io_id, io_date, status, l_id, so_id, logistics_company, receiver_state, receiver_city, receiver_district, '
            . 'receiver_address, receiver_name, receiver_mobile FROM ' . self::PURCHASE_OUT . ' WHERE io_date >= ? AND io_date < ?',
            [$fromS, $toS]
        );
        $this->purchaseScanned += count($rows);
        $pick = [];
        $skip = ['done' => 0, 'cancel' => 0, 'noitem' => 0];
        foreach ($rows as $r) {
            $io = (string) ($r['io_id'] ?? '');
            if ($io === '' || isset($pick[$io])) {
                continue;
            }
            $lid = trim((string) ($r['l_id'] ?? ''));
            if (isset($this->doneIo[$io]) || ($lid !== '' && isset($this->doneTrack[ltrim($lid, '@')]))) {
                $skip['done']++;
                continue;
            }
            if (stripos((string) ($r['status'] ?? ''), 'cancel') !== false) {
                $skip['cancel']++;
                continue;
            }
            $pick[$io] = $r;
        }
        $total = 0;
        $emitted = 0;
        if ($pick !== []) {
            $ioIds = array_map('strval', array_keys($pick));
            $viewItems = $this->loadViewItems($ioIds);
            // 采购退货：每个条码数量取采购退货明细(jst_purchaseoutItem)，体积=单件长宽高×数量(对齐工作平台)
            $poQty = [];
            foreach (array_chunk($ioIds, 800) as $ck) {
                $ph = implode(',', array_fill(0, count($ck), '?'));
                foreach ($this->selectWithReconnect("SELECT io_id, sku_id, qty FROM rpt.jst_purchaseoutItem WHERE io_id IN ({$ph})", $ck) as $pr) {
                    $pk = mb_strtolower(trim((string) ($pr['sku_id'] ?? '')));
                    $poQty[(string) $pr['io_id']][$pk] = ($poQty[(string) $pr['io_id']][$pk] ?? 0) + (float) ($pr['qty'] ?? 0);
                }
            }
            foreach ($viewItems as $vio => $vitems) {
                foreach ($vitems as $vi => $it) {
                    $pq = $poQty[(string) $vio][mb_strtolower((string) $it['sku'])] ?? null;
                    if ($pq === null || $pq <= 0) {
                        continue;
                    }
                    $pq = (int) round($pq);
                    $viewItems[$vio][$vi]['qty'] = $pq;
                }
            }
            $skus = $this->loadSkus($this->collectSkuIds($viewItems));
            foreach ($pick as $io => $r) {
                $io = (string) $io;
                if (empty($viewItems[$io])) {
                    $skip['noitem']++;
                    continue;
                }
                $lid = trim((string) ($r['l_id'] ?? ''));
                $tracking = $lid !== '' ? $lid : null;
                $so = trim((string) ($r['so_id'] ?? ''));
                $pkg = [
                    'tracking' => $tracking,
                    'so_id' => $so !== '' ? $so : null,
                    'express_name1' => $r['logistics_company'] ?? null,
                    'ship_time' => $this->ts($r['io_date'] ?? null),
                    'pay_time' => null,
                    'shop_name' => null,
                    'platform' => $this->ioSite[$io] ?? null,
                    'dis_co_name' => null,
                    'warehouse_name' => null,
                    'r_state' => $r['receiver_state'] ?? null,
                    'r_city' => $r['receiver_city'] ?? null,
                    'r_district' => $r['receiver_district'] ?? null,
                    'r_address' => (string) ($r['receiver_address'] ?? ''),
                    'r_name' => $r['receiver_name'] ?? null,
                    'r_mobile' => $r['receiver_mobile'] ?? null,
                    'r_phone' => null,
                    'buyer_memo' => null,
                    'weight' => null,
                ];
                $pkg = $this->withViewAddr($io, $pkg);
                $total += $this->emitPackage(self::PURCHASE_OUT_OFFSET + (int) $io, $pkg, $viewItems[$io], $skus, [], $so, $tracking, $now, true);
                $this->markDone($io, (string) $tracking);
                $emitted++;
            }
        }
        $this->flushPending();
        if ($progress) {
            $progress(sprintf(
                '采购退货出库完成：窗口 %d 单，补吐 %d 包裹 / %d 行；跳过 已处理%d 已取消%d 视图无商品%d',
                count($rows), $emitted, $total, $skip['done'], $skip['cancel'], $skip['noitem']
            ));
        }

        return $total;
    }

    /** io_id => 视图表头字段(平台/交易单号/省市区/店铺/快递)，出库单表头缺失时兜底用 */
    private function loadViewHeads(array $ioIds): array
    {
        $out = [];
        foreach (array_chunk(array_values(array_unique(array_filter($ioIds))), 300) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            $sql = 'SELECT io_id, MAX(shop_site) AS site, MAX(so_id) AS so, MAX(receiver_state) AS st, MAX(receiver_city) AS ci, '
                . 'MAX(receiver_district) AS di, MAX(shop_name) AS sn, MAX(expressName) AS ex FROM ' . self::VIEW
                . " WHERE io_id IN ({$ph}) GROUP BY io_id";
            foreach ($this->selectWithReconnect($sql, $chunk) as $r) {
                $out[(string) $r['io_id']] = $r;
            }
        }

        return $out;
    }

    /** 出库单表头 → 包裹级字段 */
    private function outboundSo(array $r, array $h): string
    {
        $so = trim((string) ($r['so_id'] ?? ''));

        return $so !== '' ? $so : trim((string) ($h['so'] ?? ''));
    }

    private function pkgFromOutbound(array $r, ?string $tracking, ?string $shipTime, array $h, string $so): array
    {
        $pick = fn (string $a, string $b) => (($r[$a] ?? null) !== null && trim((string) $r[$a]) !== '') ? $r[$a] : ($h[$b] ?? null);

        return [
            'tracking' => $tracking,
            'so_id' => $so !== '' ? $so : null,
            'express_name1' => $pick('logistics_company', 'ex'),
            'ship_time' => $shipTime,
            'pay_time' => $this->ts($r['pay_date'] ?? null),
            'shop_name' => $pick('shop_name', 'sn'),
            'platform' => $h['site'] ?? null,
            'dis_co_name' => null,
            'warehouse_name' => null,
            'r_state' => $pick('receiver_state', 'st'),
            'r_city' => $pick('receiver_city', 'ci'),
            'r_district' => $pick('receiver_district', 'di'),
            'r_address' => '',
            'r_name' => null,
            'r_mobile' => null,
            'r_phone' => $r['receiver_phone'] ?? null,
            'buyer_memo' => $r['buyer_message'] ?? null,
            'weight' => $r['weight'] ?? null,
        ];
    }

    /**
     * 输出一个包裹的所有明细行(每件一行；无商品则一行空商品)。
     * @return int 组装行数
     */
    private function emitPackage(int $pkgId, array $pkg, array $items, array $skus, array $freight, string $so, ?string $tracking, $now, bool $auto = false): int
    {
        $items = array_values(array_filter($items, fn ($it) => ! $this->isPricePatch($it['name'] ?? null)));
        $items = $this->dropZeroQtyPlaceholders($items);
        $n = count($items);
        $tk = ltrim(trim((string) ($tracking ?? '')), '@');
        if ($tk !== '') {
            $this->emittedTrack[$tk] = true;
        }
        if (trim($so) !== '') {
            $this->emittedSo[trim($so)] = true;
        }
        $this->seenSourceIds[$pkgId] = true;
        $this->packagesProcessed++;
        if ($n === 0) {
            $this->packagesWithoutItems++;
        }
        $f = $freight[$so . '|' . ($tracking ?? '')] ?? ($freight[$so . '|'] ?? []);
        $hasFreight = isset($f['cost']);
        $packageRows = [];

        if ($n === 0) {
            $packageRows[] = $this->packageRow($pkgId, $pkgId, $this->buildRow($pkg, [], [], $f, true, '1/1', $now, $auto));
            $this->writePackage($pkgId, $packageRows, $hasFreight, false, []);

            return 1;
        }

        $count = 0;
        $syntheticSkuIds = [];
        foreach ($items as $idx => $it) {
            $first = ($idx === 0);
            $sk = (! empty($it['sku']) && isset($skus[(string) $it['sku']])) ? $skus[(string) $it['sku']] : [];
            $skuSid = (int) ($it['id'] ?? ($pkgId * 100 + $idx));
            if (($it['id'] ?? null) === null) {
                $syntheticSkuIds[$skuSid] = true;
            }
            $packageRows[] = $this->packageRow($pkgId, $skuSid, $this->buildRow($pkg, $it, $sk, $f, $first, '1/' . $n, $now, $auto));
            $count++;
        }

        $this->writePackage($pkgId, $packageRows, $hasFreight, true, $syntheticSkuIds);

        return $count;
    }

    /**
     * 导出明细体积(对齐工作平台 OmsDataDay)：默认 数量×长×宽×高；
     * 代发仓(配置)且非标准承运商 → 长×宽×高；特定快递 → 0；无尺寸 → 空。
     */
    private function detailVolume(mixed $L, mixed $W, mixed $H, float $qty, string $warehouse, string $express): ?float
    {
        $cfg = (array) config('jushuitan.detail_volume', []);
        $express = trim($express);
        if ($express !== '' && in_array($express, (array) ($cfg['zero_volume_expresses'] ?? []), true)) {
            return 0.0;
        }
        $l = $this->nz($L);
        $w = $this->nz($W);
        $h = $this->nz($H);
        if (! $l || ! $w || ! $h) {
            return null;
        }
        $unit = $l * $w * $h;
        $noQty = in_array(trim($warehouse), (array) ($cfg['no_qty_warehouses'] ?? []), true)
            && ! in_array($express, (array) ($cfg['qty_carriers_in_no_qty_warehouses'] ?? []), true);

        return round($noQty ? $unit : $unit * max($qty, 1), 4);
    }

    /** 组装一件明细行。包裹级字段(实称重量/运费)仅首件携带。 */
    /** 文本对齐工作平台：工作平台入库时把 & 替换成 ^(如 "&gt;" 导出为 "^gt;"，样本 22/22)。 */
    private function wpText(mixed $v): ?string
    {
        if ($v === null || $v === '') {
            return $v === '' ? '' : null;
        }

        return str_replace('&', '^', (string) $v);
    }

    /** 仓库名：聚水潭占位名"{未指定发货仓}"在工作平台仓库表里没有对应，导出为空。 */
    private function whName(mixed $w): ?string
    {
        $w = trim((string) ($w ?? ''));

        return ($w === '' || $w === '{未指定发货仓}') ? null : $w;
    }

    private function buildRow(array $pkg, array $it, array $sk, array $f, bool $first, string $countStr, $now, bool $auto): array
    {
        $qty = (float) ($it['qty'] ?? 0);
        $skuW = (float) (($it['weight'] ?? null) ?: ($sk['weight'] ?? 0));
        $onlineW = $skuW > 0 ? round($skuW * ($qty > 0 ? $qty : 1), 4) : null;
        $L = ($it['l'] ?? null) ?: ($sk['l'] ?? null);
        $W = ($it['w'] ?? null) ?: ($sk['w'] ?? null);
        $H = ($it['h'] ?? null) ?: ($sk['h'] ?? null);
        $vol = ($it['vol'] ?? null) ? round((float) $it['vol'], 4) : (($L && $W && $H) ? round((float) $L * (float) $W * (float) $H, 4) : null);

        $pkgWeight = (float) ($pkg['weight'] ?? 0) ?: null;
        $freightW = (float) ($f['w'] ?? 0);
        $settleW = $this->skipFreight ? null : ($freightW > 0 ? $freightW : ($pkgWeight ?: $onlineW));

        return $this->cleanPayload([
            'express_no'     => $pkg['tracking'],
            'trade_no'       => $pkg['so_id'],
            'item_id'        => $it['shopid'] ?? null,
            'barcode'        => $it['sku'] ?? null,
            'product_name'   => $this->wpText(($it['name'] ?? null) ?: ($sk['name'] ?? null)),
            'qty'            => $it['qty'] ?? null,
            'pkg_count'      => $countStr,
            'product_code'   => ($it['iid'] ?? null) ?: ($sk['iid'] ?? null),
            'express_name1'  => $pkg['express_name1'],
            'express_name2'  => ($f['name'] ?? null) ?: $pkg['express_name1'],
            'ship_time'      => $pkg['ship_time'],
            'pay_time'       => $pkg['pay_time'],
            'shop_name'      => $pkg['shop_name'],
            'platform'       => $pkg['platform'],
            'supplier_name'  => ($it['supplier'] ?? null) ?: (($sk['supplier'] ?? null) ?: $pkg['dis_co_name']),
            'warehouse_name' => $this->whName($pkg['warehouse_name'] ?: ($it['warehouse'] ?? null)),
            'receiver_state'    => $pkg['r_state'],
            'receiver_city'     => $pkg['r_city'],
            'receiver_district' => $pkg['r_district'],
            'receiver_address'  => $pkg['r_address'],
            'receiver_name'     => $pkg['r_name'],
            'receiver_mobile'   => $pkg['r_mobile'],
            'receiver_phone'    => $pkg['r_phone'],
            'online_weight'  => $onlineW,
            'actual_weight'  => $first ? $pkgWeight : null,
            'length_cm'      => $L,
            'width_cm'       => $W,
            'height_cm'      => $H,
            'volume_cm3'     => $this->detailVolume($L, $W, $H, $qty, (string) ($pkg['warehouse_name'] ?: ($it['warehouse'] ?? '')), (string) ($pkg['express_name1'] ?? '')),
            'm_name'         => $this->wpText($it['mname'] ?? null),
            'm_volume_cm3'   => isset($it['mvol']) ? round((float) $it['mvol'], 4) : $vol,
            'm_length_cm'    => $it['ml'] ?? null,
            'm_width_cm'     => $it['mw'] ?? null,
            'm_height_cm'    => $it['mh'] ?? null,
            'weight_kg'      => $first ? $settleW : null,
            'settle_weight_kg' => $first ? $settleW : null,
            'amount'         => $it['amount'] ?? null,
            'freight'        => $first ? ($f['cost'] ?? null) : null,
            'settle_freight' => $first ? ($f['cost'] ?? null) : null,
            'buyer_memo'     => $pkg['buyer_memo'],
            'modified'       => $pkg['ship_time'],
            'synced_at'      => $now,
        ]);
    }

    /**
     * 快递公司/仓库以实际出库单为准(工作平台口径)：发货明细可能停在作废前的旧分配
     * (如先分给工厂代发仓、后改外采由总仓出库；或换单后仍是旧快递公司)。
     * 出库单快递公司与发货明细一致时不改，并借此学习 wms_co_id => 仓库名。
     */
    private function withOutboundCarrier(string $io, array $r, array $pkg, int $pkgId): array
    {
        $lc = $io !== '' ? ($this->ioLc[$io] ?? '') : '';
        $wms = $io !== '' ? ($this->ioWms[$io] ?? '') : '';
        $eLc = trim((string) ($r['logistic_company_name'] ?? ''));
        $eWh = trim((string) ($r['warehouse_name'] ?? ''));
        if ($lc !== '' && $lc !== $eLc) {
            $pkg['express_name1'] = $lc;
        }
        if (trim((string) ($pkg['express_name1'] ?? '')) === self::NO_LOGISTICS) {
            $pkg['warehouse_name'] = self::NO_LOGISTICS_WAREHOUSE;

            return $pkg;
        }
        if ($wms === '') {
            return $pkg;
        }
        // 快递公司一致的明细行用来学习 wms_co_id => 仓库名；仓库统一在扫描结束后按出库单发货仓回填
        if ($lc !== '' && $lc === $eLc && $eWh !== '' && $eWh !== '{未指定发货仓}') {
            $this->wmsNames[$wms][$eWh] = ($this->wmsNames[$wms][$eWh] ?? 0) + 1;
        }
        $this->pendingWarehouse[$pkgId] = $wms;

        return $pkg;
    }

    /**
     * 仓库以发货数据视图的 wareHoursName 为准(工作平台口径)；快递名称以出库单/发货明细当前值为准，视图仅兜底。
     */
    private function withViewCarrier(string $io, array $pkg, int $pkgId): array
    {
        if ($io === '') {
            return $pkg;
        }
        // 快递名称以出库单/发货明细的当前值为准：聚水潭换单、改快递公司后出库单与发货明细会更新，工作平台跟着变，
        // 发货数据视图的 expressName 却停在旧值(如 崔桥顺丰干配→常州德邦)。视图只在出库单/发货明细没有快递名称时兜底。
        if (trim((string) ($pkg['express_name1'] ?? '')) === '' && ! empty($this->ioExpress[$io])) {
            $pkg['express_name1'] = $this->ioExpress[$io];
        }
        if (! empty($this->ioWare[$io])) {
            $pkg['warehouse_name'] = $this->ioWare[$io];
            unset($this->pendingWarehouse[$pkgId]);
        }

        return $pkg;
    }

    private function wmsName(string $wms): ?string
    {
        if (empty($this->wmsNames[$wms])) {
            return null;
        }
        $names = $this->wmsNames[$wms];
        arsort($names);
        $top = (int) reset($names);
        $sum = array_sum($names);
        // 只在仓库名明确(样本>=3 且占比>=90%)时回填，避免一个发货主体对应多个仓库时误改
        if ($top < 3 || $top < 0.9 * $sum) {
            return null;
        }

        return (string) array_key_first($names);
    }

    /** 扫描时还没学到仓库名的包裹：扫描结束后按学到的 wms_co_id => 仓库名统一回填。 */
    private function applyPendingWarehouses(?callable $progress = null): void
    {
        $byName = [];
        foreach ($this->pendingWarehouse as $pkgId => $wms) {
            $name = $this->wmsName($wms);
            if ($name !== null) {
                $byName[$name][] = $pkgId;
            }
        }
        $n = 0;
        foreach ($byName as $name => $ids) {
            foreach (array_chunk($ids, 500) as $chunk) {
                $n += $this->db->table('jst_oms_shipping')->whereIn('source_id', $chunk)
                    ->where(function ($q): void {
                        $q->whereNull('express_name1')->orWhere('express_name1', '!=', self::NO_LOGISTICS);
                    })
                    ->where(function ($q) use ($name): void {
                        $q->whereNull('warehouse_name')->orWhere('warehouse_name', '!=', $name);
                    })
                    ->update(['warehouse_name' => $name]);
            }
        }
        if ($progress && $this->pendingWarehouse !== []) {
            $progress(sprintf('出库单仓库回填：待补 %d 个包裹，更新 %d 行', count($this->pendingWarehouse), $n));
        }
        $this->pendingWarehouse = [];
    }

    /** 发货明细表行 → 包裹级字段(省市区从地址拆) */
    private function pkgFromExpress(array $r, ?string $tracking, ?string $shipTime): array
    {
        $addr = (string) ($r['receiver_address'] ?? '');
        $parts = $addr !== '' ? array_values(array_filter(explode('-', $addr))) : [];

        return [
            'tracking' => $tracking,
            'so_id' => $r['so_id'] ?? null,
            'express_name1' => $r['logistic_company_name'] ?? null,
            'ship_time' => $shipTime,
            'pay_time' => $this->ts($r['pay_time'] ?? null),
            'shop_name' => $r['shop_name'] ?? null,
            'platform' => $r['platform_name'] ?? null,
            'dis_co_name' => $r['dis_co_name'] ?? null,
            'warehouse_name' => $r['warehouse_name'] ?? null,
            'r_state' => $parts[0] ?? null,
            'r_city' => $parts[1] ?? null,
            'r_district' => $parts[2] ?? null,
            'r_address' => $addr,
            'r_name' => null,
            'r_mobile' => null,
            'r_phone' => null,
            'buyer_memo' => $r['buyer_message'] ?? null,
            'weight' => $r['weight'] ?? null,
        ];
    }

    /** jst_Orders 行(自动发货仓) → 包裹级字段 */
    private function pkgFromOrder(array $r, ?string $tracking, ?string $shipTime): array
    {
        return [
            'tracking' => $tracking,
            'so_id' => $r['so_id'] ?? null,
            'express_name1' => $r['logistics_company'] ?? null,
            'ship_time' => $shipTime,
            'pay_time' => $this->ts($r['pay_date'] ?? null),
            'shop_name' => $r['shop_name'] ?? null,
            'platform' => $r['order_from'] ?? null,
            'dis_co_name' => null,
            'warehouse_name' => null,
            'r_state' => $r['receiver_state'] ?? null,
            'r_city' => $r['receiver_city'] ?? null,
            'r_district' => $r['receiver_district'] ?? null,
            'r_address' => $r['receiver_address'] ?? '',
            'r_name' => $r['receiver_name'] ?? null,
            'r_mobile' => $r['receiver_mobile'] ?? null,
            'r_phone' => $r['receiver_phone'] ?? null,
            'buyer_memo' => $r['buyer_message'] ?? null,
            'weight' => $r['weight'] ?? null,
        ];
    }

    private function tracking(string $logisticId, string $joLid, array $freight, string $so): ?string
    {
        if ($logisticId !== '') {
            return $logisticId;
        }
        if ($joLid !== '') {
            return $joLid;
        }
        $f = $freight[$so . '|'] ?? [];
        $no = (string) ($f['no'] ?? '');

        return $no !== '' ? $no : null;
    }

    /** @return array{0:array<string,array>,1:array<string,array>} [byOid, bySo] */
    private function loadAllItems(array $oids, array $soIds, bool $loadBySoId = true): array
    {
        $byOid = [];
        $bySo = [];
        $sel = 'o_id, raw_so_id, sku_id, i_id, shop_i_id, name, qty, amount, send_warehouse, Id';

        foreach (array_chunk($oids, 800) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            foreach ($this->selectWithReconnect("SELECT {$sel} FROM rpt.jst_OrderItem WHERE o_id IN ({$ph}) ORDER BY Id", $chunk) as $r) {
                $k = (string) ($r['o_id'] ?? '');
                if ($k !== '') {
                    $byOid[$k][] = $this->itemArr($r);
                }
            }
        }
        // raw_so_id lacks a usable index in the production replica. Windowed sync already
        // preloads DWS rows by sourceno, so querying this fallback can turn every batch into
        // a full-table scan and exceed the upstream timeout. Keep it only for the small,
        // non-windowed diagnostic mode where DWS is not preloaded.
        if ($loadBySoId) {
            foreach (array_chunk($soIds, 800) as $chunk) {
                if ($chunk === []) {
                    continue;
                }
                $ph = implode(',', array_fill(0, count($chunk), '?'));
                foreach ($this->selectWithReconnect("SELECT {$sel} FROM rpt.jst_OrderItem WHERE raw_so_id IN ({$ph}) ORDER BY Id", $chunk) as $r) {
                    $k = (string) ($r['raw_so_id'] ?? '');
                    if ($k !== '') {
                        $bySo[$k][] = $this->itemArr($r);
                    }
                }
            }
        }

        return [$byOid, $bySo];
    }

    /** 开跑前按天预加载窗口内 dws 销售全量到内存，避免逐批扫表。 */
    private function preloadDws(\Illuminate\Support\Carbon $from, \Illuminate\Support\Carbon $to): void
    {
        $this->dwsCache = [];
        $seen = [];
        $day = $from->copy()->subDay()->startOfDay();
        $end = $to->copy();
        while ($day < $end) {
            $d = $day->format('Y-m-d');
            $day = $day->addDay();
            try {
                $rows = $this->selectWithReconnect("SELECT sourceno, item_id, skuoid, goods_count, sales_amount FROM rpt.dws_sn_sales_full_info_di WHERE stat_date = ?", [$d]);
            } catch (Throwable) {
                $this->dwsFailedDays[] = $d;
                continue;
            }
            foreach ($rows as $r) {
                $so = (string) ($r['sourceno'] ?? '');
                $bc = (string) ($r['skuoid'] ?? '');
                if ($so === '' || $bc === '') {
                    continue;
                }
                $k = $so.'|'.$bc;
                if (isset($seen[$k])) {
                    continue;
                }
                $seen[$k] = true;
                $this->dwsCache[$so][] = [
                    'id' => null, 'sku' => $bc, 'iid' => null, 'shopid' => $r['item_id'] ?? null,
                    'name' => null, 'qty' => $r['goods_count'] ?? null, 'amount' => $r['sales_amount'] ?? null, 'warehouse' => null,
                ];
            }
            unset($rows);
        }
    }

    /** jst_OrderItem 缺失时的兜底：dws 销售全量按 sourceno 取商品(条码/商品ID/数量/金额)。 */
    private function loadDwsItems(array $soIds): array
    {
        $out = [];
        $seen = [];
        foreach (array_chunk($soIds, 500) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            $sql = "SELECT sourceno, item_id, skuoid, goods_count, sales_amount FROM rpt.dws_sn_sales_full_info_di WHERE sourceno IN ({$ph})";
            foreach ($this->selectWithReconnect($sql, $chunk) as $r) {
                $so = (string) ($r['sourceno'] ?? '');
                $barcode = (string) ($r['skuoid'] ?? '');
                if ($so === '' || $barcode === '') {
                    continue;
                }
                $k = $so.'|'.$barcode;
                if (isset($seen[$k])) {
                    continue;
                }
                $seen[$k] = true;
                $out[$so][] = [
                    'id' => null, 'sku' => $barcode, 'iid' => null, 'shopid' => $r['item_id'] ?? null,
                    'name' => null, 'qty' => $r['goods_count'] ?? null, 'amount' => $r['sales_amount'] ?? null, 'warehouse' => null,
                ];
            }
        }

        return $out;
    }

    private function itemArr(array $r): array
    {
        return [
            'id' => $r['Id'] ?? null, 'sku' => $r['sku_id'] ?? null, 'iid' => $r['i_id'] ?? null,
            'shopid' => $r['shop_i_id'] ?? null, 'name' => $r['name'] ?? null,
            'qty' => $r['qty'] ?? null, 'amount' => $r['amount'] ?? null, 'warehouse' => $r['send_warehouse'] ?? null,
        ];
    }

    /** 该包裹的商品：优先 o_id 精确，取不到回落 so_id。 */
    private function itemsFor(array $byOid, array $bySo, array $dws, string $oid, string $so): array
    {
        if ($oid !== '' && ! empty($byOid[$oid])) {
            return $byOid[$oid];
        }
        if ($so !== '' && ! empty($bySo[$so])) {
            return $bySo[$so];
        }
        if ($so !== '' && ! empty($dws[$so])) {
            return $dws[$so];   // jst_OrderItem 取不到时，用 dws 销售全量兜底
        }

        return [];
    }

    /** 窗口同步按 io_date 一次预载，避免对无可用索引的 l_id/o_id 反复执行 IN 查询。 */
    private function preloadOutboundMap(string $fromS, string $toS): void
    {
        $sql = 'SELECT l_id, o_id, io_id, io_date, status, logistics_company, wms_co_id FROM ' . self::OUTBOUND . ' WHERE io_date >= ? AND io_date < ?';
        $this->outboundMap = $this->mapOutboundRows($this->selectWithReconnect($sql, [$fromS, $toS]));
    }

    /** 出库单行 -> 映射(单号/订单/单号+订单 三种定位，作废重出按有效优先、io_date 最新择优)。 */
    private function mapOutboundRows(array $rows): array
    {
        $map = $this->emptyIoMap();
        foreach ($rows as $r) {
            $this->addIoRow($map, $r, true, true);
        }
        unset($map['rank']);

        return $map;
    }

    private function ioMapFor(bool $windowed, array $logisticIds, array $oIds): array
    {
        return $windowed ? $this->outboundMap : $this->loadIoMap($logisticIds, $oIds);
    }

    /**
     * 出库单映射：byL 单号->io、byO 订单->io、byLO 单号|订单->io、byOAll 订单->[io=>单号](仅有效单)、ioL io->单号。
     * 同一单号/订单可能有多张出库单(作废重出)：优先有效(非 Delete/Cancelled)，再取最新 io_date。
     */
    private function emptyIoMap(): array
    {
        return ['byL' => [], 'byO' => [], 'byLO' => [], 'byOAll' => [], 'ioL' => [], 'rank' => ['L' => [], 'O' => [], 'LO' => []]];
    }

    private function addIoRow(array &$m, array $r, bool $indexByL, bool $indexByO): void
    {
        $rio = (string) ($r['io_id'] ?? '');
        if ($rio === '') {
            return;
        }
        if (! empty($r['io_date'])) {
            $this->ioDate[$rio] = (string) $r['io_date'];
        }
        $lc = trim((string) ($r['logistics_company'] ?? ''));
        if ($lc !== '') {
            $this->ioLc[$rio] = $lc;
        }
        $wms = trim((string) ($r['wms_co_id'] ?? ''));
        if ($wms !== '' && $wms !== '0') {
            $this->ioWms[$rio] = $wms;
        }
        $l = ltrim(trim((string) ($r['l_id'] ?? '')), '@');
        $o = (string) ($r['o_id'] ?? '');
        $m['ioL'][$rio] = $l;
        $st = strtolower(trim((string) ($r['status'] ?? '')));
        $ok = ! in_array($st, ['delete', 'deleted', 'cancelled', 'cancel', 'canceled'], true);
        $this->ioOk[$rio] = $ok;
        $rk = ($ok ? '1' : '0') . '|' . (string) ($r['io_date'] ?? '') . '|' . str_pad($rio, 12, '0', STR_PAD_LEFT);
        if ($indexByL && $l !== '' && (! isset($m['rank']['L'][$l]) || strcmp($rk, $m['rank']['L'][$l]) > 0)) {
            $m['byL'][$l] = $rio;
            $m['rank']['L'][$l] = $rk;
        }
        // 同一单号多订单共用(拼单/合包)：按 单号+订单 精确定位，避免拿到别的订单的商品
        $lo = $l . '|' . $o;
        if ($indexByL && $l !== '' && $o !== '' && (! isset($m['rank']['LO'][$lo]) || strcmp($rk, $m['rank']['LO'][$lo]) > 0)) {
            $m['byLO'][$lo] = $rio;
            $m['rank']['LO'][$lo] = $rk;
        }
        if ($indexByO && $o !== '') {
            if ($ok) {
                $m['byOAll'][$o][$rio] = $l;
            }
            if (! isset($m['rank']['O'][$o]) || strcmp($rk, $m['rank']['O'][$o]) > 0) {
                $m['byO'][$o] = $rio;
                $m['rank']['O'][$o] = $rk;
            }
        }
    }

    /** 快递单号/内部单号 -> 出库单 io_id（非窗口诊断模式按需查询；窗口模式用预载映射）。 */
    private function loadIoMap(array $logisticIds, array $oIds): array
    {
        $map = $this->emptyIoMap();
        foreach (array_chunk(array_values(array_unique(array_filter($logisticIds))), 800) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $q = [];
            foreach ($chunk as $c) {
                $c = ltrim(trim((string) $c), '@');
                if ($c !== '') {
                    $q[$c] = true;
                    $q['@' . $c] = true;
                }
            }
            $q = array_keys($q);
            $ph = implode(',', array_fill(0, count($q), '?'));
            foreach ($this->selectWithReconnect('SELECT l_id, io_id, io_date, status, o_id, logistics_company, wms_co_id FROM ' . self::OUTBOUND . " WHERE l_id IN ({$ph})", $q) as $r) {
                $this->addIoRow($map, $r, true, false);
            }
        }
        foreach (array_chunk(array_values(array_unique(array_filter($oIds))), 800) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            foreach ($this->selectWithReconnect('SELECT o_id, io_id, io_date, l_id, status, logistics_company, wms_co_id FROM ' . self::OUTBOUND . " WHERE o_id IN ({$ph})", $chunk) as $r) {
                $this->addIoRow($map, $r, false, true);
            }
        }
        unset($map['rank']);

        return $map;
    }

    /**
     * 换单配对：快递明细的单号在出库单里找不到时，到同一内部订单下找一张
     * "出库单有单号、但该单号不在任何快递明细里"的出库单，一对一配对(工作平台换单后只保留新单号)。
     *
     * @return array<string,array{io:string,l_id:string,old:string}> 以快递明细 id 为键
     */
    private function pairChangedTracking(array $rows, array $ioMap): array
    {
        $cands = [];
        $need = [];
        foreach ($rows as $r) {
            $lg = ltrim(trim((string) ($r['logistic_id'] ?? '')), '@');
            $oid = (string) ($r['inner_order_id'] ?? '');
            $byL = $ioMap['byL'][$lg] ?? null;
            // 快递明细单号只对应作废出库单时，视为已换单(工作平台显示有效出库单的新单号)
            $hasValidIo = $byL !== null && ($this->ioOk[(string) $byL] ?? true);
            if ($lg === '' || $oid === '' || $hasValidIo || empty($ioMap['byOAll'][$oid])
                || in_array((string) ($r['jo_status'] ?? ''), ['Cancelled', 'Split', 'Merged'], true)) {
                continue;
            }
            $need[] = $r;
            foreach ($ioMap['byOAll'][$oid] as $io => $l) {
                if ($l !== '' && ! isset($this->doneIo[(string) $io]) && ! isset($this->doneTrack[$l])) {
                    $cands[$l] = true;
                }
            }
        }
        if ($need === [] || $cands === []) {
            return [];
        }
        // 候选新单号若本身出现在快递明细里(同订单拆包)，不能拿来配对
        $inExpress = [];
        foreach (array_chunk(array_keys($cands), 400) as $chunk) {
            $q = [];
            foreach ($chunk as $c) {
                $q[] = (string) $c;
                $q[] = '@' . $c;
            }
            $ph = implode(',', array_fill(0, count($q), '?'));
            try {
                $found = $this->selectWithReconnect("SELECT DISTINCT logistic_id FROM rpt.jst_order_express_details WHERE logistic_id IN ({$ph})", $q);
            } catch (PDOException $e) {
                if (! $this->isTransientCursorFailure($e)) {
                    throw $e;
                }
                // logistic_id 无索引，副本库繁忙时会超时：本页跳过换单配对(保留原单号)，不中断整轮
                $this->pairingSkipped++;

                return [];
            }
            foreach ($found as $x) {
                $inExpress[ltrim(trim((string) ($x['logistic_id'] ?? '')), '@')] = true;
            }
        }
        $used = [];
        $swap = [];
        foreach ($need as $r) {
            $oid = (string) $r['inner_order_id'];
            $ios = $ioMap['byOAll'][$oid];
            ksort($ios, SORT_STRING);
            foreach ($ios as $io => $l) {
                $io = (string) $io;
                if ($l === '' || isset($inExpress[$l]) || isset($used[$io]) || isset($this->doneIo[$io]) || isset($this->doneTrack[$l])) {
                    continue;
                }
                $used[$io] = true;
                $swap[(string) $r['id']] = ['io' => $io, 'l_id' => $l, 'old' => (string) $r['logistic_id']];
                break;
            }
        }

        return $swap;
    }

    private function ioFor(array $ioMap, string $logisticId, string $oid): string
    {
        $logisticId = ltrim(trim($logisticId), '@');
        if ($logisticId !== '' && $oid !== '' && ! empty($ioMap['byLO'][$logisticId . '|' . $oid])) {
            return (string) $ioMap['byLO'][$logisticId . '|' . $oid];
        }
        if ($logisticId !== '' && ! empty($ioMap['byL'][$logisticId])) {
            return (string) $ioMap['byL'][$logisticId];
        }
        if ($oid !== '' && ! empty($ioMap['byO'][$oid])) {
            return (string) $ioMap['byO'][$oid];
        }

        return '';
    }

    /**
     * io_id -> 实发商品[itemArr]（发货数据视图）。
     * 单条码行：按(io_id,条码)去重，type=0 之和优先。
     * 多条码行(组合件)：见 appendComboParts，对齐工作平台导出明细的拆件口径。
     */
    private function loadViewItems(array $ioIds): array
    {
        $agg = [];
        $multi = [];
        $this->ioSite = [];
        $this->ioAddr = [];
        $this->ioShop = [];
        $this->ioExpress = [];
        $this->ioWare = [];
        // 发货数据视图是计算视图，IN 列表过长时副本库容易超时：按 300 个出库单一批
        foreach (array_chunk(array_values(array_unique(array_filter($ioIds))), 300) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            $sql = 'SELECT io_id, sku_ids, qty, type, sku_name, shop_i_id, wareHoursName, expressName, l, w, h, volume, weight, supplier_name, shop_site, shop_name, receiver_state, receiver_city, receiver_district FROM '
                . self::VIEW . " WHERE io_id IN ({$ph})";
            foreach ($this->selectWithReconnect($sql, $chunk) as $r) {
                $io = (string) ($r['io_id'] ?? '');
                if ($io !== '' && ! isset($this->ioSite[$io]) && trim((string) ($r['shop_site'] ?? '')) !== '') {
                    $this->ioSite[$io] = trim((string) $r['shop_site']);
                }
                if ($io !== '' && ! isset($this->ioShop[$io]) && trim((string) ($r['shop_name'] ?? '')) !== '') {
                    $this->ioShop[$io] = trim((string) $r['shop_name']);
                }
                if ($io !== '' && ! isset($this->ioExpress[$io]) && trim((string) ($r['expressName'] ?? '')) !== '') {
                    $this->ioExpress[$io] = trim((string) $r['expressName']);
                }
                if ($io !== '' && ! isset($this->ioWare[$io]) && trim((string) ($r['wareHoursName'] ?? '')) !== '') {
                    $this->ioWare[$io] = trim((string) $r['wareHoursName']);
                }
                if ($io !== '') {
                    foreach (['st' => 'receiver_state', 'ci' => 'receiver_city', 'di' => 'receiver_district'] as $ak => $ac) {
                        $av = trim((string) ($r[$ac] ?? ''));
                        if ($av !== '' && ! isset($this->ioAddr[$io][$ak])) {
                            $this->ioAddr[$io][$ak] = $av;
                        }
                    }
                }
                $skuIds = (string) ($r['sku_ids'] ?? '');
                if ($io === '' || $skuIds === '') {
                    continue;
                }
                // 一行可能逗号拼接多个条码 —— 对齐工作平台导出明细：拆成每条码一件；
                // 数量与体积按条码数均摊，保证合并求和后与整行值一致（工作平台合并体积"整箱算一次"）。
                $bcs = array_values(array_filter(array_map('trim', explode(',', $skuIds)), fn ($x) => $x !== ''));
                if ($bcs === []) {
                    continue;
                }
                $n = count($bcs);
                if ($n > 1) {
                    $multi[$io][] = [
                        't' => (string) ($r['type'] ?? ''), 'qty' => (float) ($r['qty'] ?? 0), 'bcs' => $bcs,
                        'name' => $r['sku_name'] ?? null, 'l' => $r['l'] ?? null, 'w' => $r['w'] ?? null, 'h' => $r['h'] ?? null,
                        'vol' => $r['volume'] ?? null, 'shopid' => $r['shop_i_id'] ?? null, 'wh' => $r['wareHoursName'] ?? null,
                        'supplier' => $r['supplier_name'] ?? null,
                    ];
                    continue;
                }
                $isT0 = ((string) ($r['type'] ?? '') === '0');
                $perQty = (float) ($r['qty'] ?? 0) / $n;
                $rowVol = ($r['volume'] !== null && $r['volume'] !== '') ? (float) $r['volume'] : null;
                $perVol = ($rowVol !== null) ? $rowVol / $n : null;
                foreach ($bcs as $bc) {
                    $k = $io . '|' . mb_strtolower($bc);
                    if (! isset($agg[$k])) {
                        $agg[$k] = [
                            'io' => $io, 'sku' => $bc, 't0' => 0.0, 't0n' => 0, 'any' => 0.0, 'anyn' => 0,
                            't0vol' => 0.0, 't0voln' => 0, 'anyvol' => 0.0, 'anyvoln' => 0,
                            'shopid' => null, 'name' => null, 'wh' => null,
                            'l' => null, 'w' => null, 'h' => null,
                            'weight' => null, 'supplier' => null,
                        ];
                    }
                    if ($isT0) {
                        $agg[$k]['t0'] += $perQty;
                        $agg[$k]['t0n']++;
                        if ($perVol !== null) {
                            $agg[$k]['t0vol'] += $perVol;
                            $agg[$k]['t0voln']++;
                        }
                    }
                    $agg[$k]['any'] += $perQty;
                    $agg[$k]['anyn']++;
                    if ($perVol !== null) {
                        $agg[$k]['anyvol'] += $perVol;
                        $agg[$k]['anyvoln']++;
                    }
                    // 名称/长宽高/供应商沿用整行值(共享)：任意行回填一次
                    if (empty($agg[$k]['name']) && ! empty($r['sku_name'])) {
                        $agg[$k]['name'] = $r['sku_name'];
                    }
                    if (empty($agg[$k]['shopid']) && ! empty($r['shop_i_id'])) {
                        $agg[$k]['shopid'] = $r['shop_i_id'];
                    }
                    if (empty($agg[$k]['wh']) && ! empty($r['wareHoursName'])) {
                        $agg[$k]['wh'] = $r['wareHoursName'];
                    }
                    foreach (['l', 'w', 'h', 'weight'] as $ff) {
                        if (empty($agg[$k][$ff]) && ! empty($r[$ff])) {
                            $agg[$k][$ff] = $r[$ff];
                        }
                    }
                    if (empty($agg[$k]['supplier']) && ! empty($r['supplier_name'])) {
                        $agg[$k]['supplier'] = $r['supplier_name'];
                    }
                }
            }
        }
        $out = [];
        foreach ($agg as $a) {
            $qty = $a['t0n'] > 0 ? $a['t0'] : ($a['anyn'] > 0 ? $a['any'] / $a['anyn'] : 0);
            $qty = (int) round($qty);
            if ($qty < 1) {
                $qty = 1;
            }
            // 体积：type=0 各条码分摊之和优先；否则取任一 type 的均值(去 type 重复)
            $vol = $a['t0voln'] > 0
                ? round($a['t0vol'], 4)
                : ($a['anyvoln'] > 0 ? round($a['anyvol'] / $a['anyvoln'], 4) : null);
            $out[$a['io']][] = [
                'id' => null, 'sku' => $a['sku'], 'iid' => null,
                'shopid' => $a['shopid'], 'name' => $a['name'],
                'qty' => $qty, 'amount' => null, 'warehouse' => $a['wh'],
                'l' => $a['l'], 'w' => $a['w'], 'h' => $a['h'], 'vol' => $vol,
                'weight' => $a['weight'], 'supplier' => $a['supplier'],
            ];
        }

        if ($multi !== []) {
            $this->appendComboParts($multi, $out);
        }

        return $out;
    }

    /**
     * 组合件拆件(对齐工作平台导出明细)：视图一行逗号拼接多个部件条码时，每个部件一行——
     *   名称/长宽高取 SKU 资料，体积=长×宽×高；
     *   数量：订单商品 → 运费逐件重量÷SKU单重 → 整数均分，前两者须部件合计=整行数量才采用；
     *   同时带整行 名称/体积(按部件数均摊)/长宽高(m_*)，供合并口径使用(工作平台合并取整行值)。
     * 同一出库单有 type=0 行只用 type=0，否则用最小 type，避免 type=3 等重复行重复计数。
     */
    private function appendComboParts(array $multi, array &$out): void
    {
        $sel = [];
        $bcAll = [];
        foreach ($multi as $io => $rows) {
            $types = array_values(array_unique(array_map(fn ($r) => $r['t'], $rows)));
            $useT = in_array('0', $types, true) ? '0' : min($types);
            foreach ($rows as $r) {
                if ($r['t'] === $useT) {
                    $sel[(string) $io][] = $r;
                    foreach ($r['bcs'] as $b) {
                        $bcAll[$b] = true;
                    }
                }
            }
        }
        $ioKeys = array_map('strval', array_keys($sel));

        $o2io = [];
        foreach (array_chunk($ioKeys, 800) as $ck) {
            $ph = implode(',', array_fill(0, count($ck), '?'));
            foreach ($this->selectWithReconnect('SELECT io_id, o_id FROM ' . self::OUTBOUND . " WHERE io_id IN ({$ph})", $ck) as $r) {
                $o = (string) ($r['o_id'] ?? '');
                if ($o !== '') {
                    $o2io[$o][(string) $r['io_id']] = true;
                }
            }
        }
        $ordQty = [];
        foreach (array_chunk(array_map('strval', array_keys($o2io)), 800) as $ck) {
            $ph = implode(',', array_fill(0, count($ck), '?'));
            foreach ($this->selectWithReconnect("SELECT o_id, sku_id, qty FROM rpt.jst_OrderItem WHERE o_id IN ({$ph})", $ck) as $r) {
                $k = mb_strtolower(trim((string) ($r['sku_id'] ?? '')));
                foreach ($o2io[(string) $r['o_id']] ?? [] as $io => $_) {
                    $ordQty[(string) $io][$k] = ($ordQty[(string) $io][$k] ?? 0) + (float) ($r['qty'] ?? 0);
                }
            }
        }
        $fysW = [];
        foreach (array_chunk($ioKeys, 800) as $ck) {
            $ph = implode(',', array_fill(0, count($ck), '?'));
            foreach ($this->selectWithReconnect("SELECT io_id, sku_id, weight FROM rpt.fys_jstFreightCostDetail WHERE io_id IN ({$ph})", $ck) as $r) {
                $k = mb_strtolower(trim((string) ($r['sku_id'] ?? '')));
                $fysW[(string) $r['io_id']][$k] = ($fysW[(string) $r['io_id']][$k] ?? 0) + (float) ($r['weight'] ?? 0);
            }
        }
        $skuL = [];
        foreach ($this->loadSkus(array_map('strval', array_keys($bcAll))) as $k => $v) {
            $skuL[mb_strtolower((string) $k)] = $v;
        }
        $raw = fn ($v) => ($v === null || trim((string) $v) === '') ? null : (float) $v;

        foreach ($sel as $io => $rows) {
            $io = (string) $io;
            $parts = [];
            foreach ($rows as $r) {
                $bcs = $r['bcs'];
                $n = count($bcs);
                $q = $this->partQty($bcs, (int) round($r['qty']), $ordQty[$io] ?? [], $fysW[$io] ?? [], $skuL);
                $rowVol = $raw($r['vol']);
                foreach ($bcs as $i => $bc) {
                    $lk = mb_strtolower($bc);
                    $s = $skuL[$lk] ?? [];
                    $L = $this->nz($s['l'] ?? null);
                    $W = $this->nz($s['w'] ?? null);
                    $H = $this->nz($s['h'] ?? null);
                    if (! isset($parts[$lk])) {
                        $parts[$lk] = [
                            'id' => null, 'sku' => $bc, 'iid' => $s['iid'] ?? null,
                            'shopid' => ($r['shopid'] ?? null) ?: null,
                            'name' => ($s['name'] ?? null) ?: $r['name'],
                            'qty' => 0, 'amount' => null, 'warehouse' => ($r['wh'] ?? null) ?: null,
                            'l' => $L, 'w' => $W, 'h' => $H,
                            'vol' => ($L && $W && $H) ? round($L * $W * $H, 4) : null,
                            'weight' => $s['weight'] ?? null,
                            'supplier' => ($r['supplier'] ?? null) ?: null,
                            'mname' => $r['name'], 'mvol' => null,
                            'ml' => $raw($r['l']), 'mw' => $raw($r['w']), 'mh' => $raw($r['h']),
                        ];
                    }
                    $parts[$lk]['qty'] += $q[$i];
                    if ($rowVol !== null) {
                        $parts[$lk]['mvol'] = ($parts[$lk]['mvol'] ?? 0) + $rowVol / $n;
                    }
                }
            }
            foreach ($parts as $lk => $p) {
                $p['mvol'] = $p['mvol'] !== null ? round($p['mvol'], 4) : null;
                $hit = false;
                foreach ($out[$io] ?? [] as $idx => $it) {
                    if (mb_strtolower((string) $it['sku']) === $lk) {
                        $out[$io][$idx]['qty'] += $p['qty'];
                        $hit = true;
                        break;
                    }
                }
                if (! $hit) {
                    $out[$io][] = $p;
                }
            }
        }
    }

    /** 组合件部件数量：订单商品 → 运费逐件重量÷SKU单重 → 整数均分；前两者须合计=整行数量。 */
    private function partQty(array $bcs, int $rowQty, array $ord, array $fys, array $skuL): array
    {
        $n = count($bcs);
        $keys = array_map(fn ($b) => mb_strtolower($b), $bcs);
        $a = [];
        foreach ($keys as $k) {
            if (! isset($ord[$k])) {
                $a = null;
                break;
            }
            $a[] = (int) round($ord[$k]);
        }
        if ($a !== null && array_sum($a) === $rowQty && min($a) > 0) {
            return $a;
        }
        $b = [];
        foreach ($keys as $k) {
            $sw = (float) ($skuL[$k]['weight'] ?? 0);
            if (! isset($fys[$k]) || $sw <= 0) {
                $b = null;
                break;
            }
            $b[] = (int) round($fys[$k] / $sw);
        }
        if ($b !== null && array_sum($b) === $rowQty && min($b) > 0) {
            return $b;
        }
        $total = max($rowQty, 0);
        $base = intdiv($total, $n);
        $rem = $total - $base * $n;
        $c = [];
        foreach ($keys as $i => $_) {
            $c[] = $base + ($i < $rem ? 1 : 0);
        }

        return $c;
    }

    private function nz(mixed $v): ?float
    {
        if ($v === null || trim((string) $v) === '') {
            return null;
        }
        $f = (float) $v;

        return $f == 0.0 ? null : $f;
    }

    /** 收货省市区统一取发货数据视图(与工作平台一致)，视图无值时保留原值。 */
    private function withViewAddr(string $io, array $pkg): array
    {
        if ($io !== '' && trim((string) ($pkg['shop_name'] ?? '')) === '' && isset($this->ioShop[$io])) {
            $pkg['shop_name'] = $this->ioShop[$io];
        }
        $a = ($io !== '') ? ($this->ioAddr[$io] ?? []) : [];
        foreach (['st' => 'r_state', 'ci' => 'r_city', 'di' => 'r_district'] as $ak => $pk) {
            if (isset($a[$ak]) && $a[$ak] !== '') {
                $pkg[$pk] = $a[$ak];
            }
        }

        return $pkg;
    }

    private function collectSkuIds(array ...$maps): array
    {
        $ids = [];
        foreach ($maps as $map) {
            foreach ($map as $items) {
                foreach ($items as $it) {
                    if (! empty($it['sku'])) {
                        $ids[(string) $it['sku']] = true;
                    }
                }
            }
        }

        return array_keys($ids);
    }

    private function push(int $sourceId, int $skuSourceId, array $payload): void
    {
        $payload['source_id'] = $sourceId;
        $payload['sku_source_id'] = $skuSourceId;
        $this->buffer[] = $payload;
        if (count($this->buffer) >= self::FLUSH) {
            $this->flush();
        }
    }

    private function packageRow(int $sourceId, int $skuSourceId, array $payload): array
    {
        $payload['source_id'] = $sourceId;
        $payload['sku_source_id'] = $skuSourceId;

        return $payload;
    }

    /** @param list<array<string,mixed>> $rows */
    private function writePackage(int $sourceId, array $rows, bool $hasFreight, bool $hasItems, array $syntheticSkuIds): void
    {
        if (! $this->replaceWindow) {
            foreach ($rows as $row) {
                $this->push($sourceId, (int) $row['sku_source_id'], $row);
            }
            return;
        }

        $this->replacementRowCount -= count($this->replacementPackages[$sourceId] ?? []);
        $this->replacementPackages[$sourceId] = $rows;
        $this->replacementHasFreight[$sourceId] = $hasFreight;
        $this->replacementHasItems[$sourceId] = $hasItems;
        $this->replacementSyntheticSkuIds[$sourceId] = $syntheticSkuIds;
        $this->replacementRowCount += count($rows);
        if ($this->replacementRowCount >= self::FLUSH) {
            $this->flushReplacements();
        }
    }

    private function flushPending(): void
    {
        if ($this->replaceWindow) {
            $this->flushReplacements();
        } else {
            $this->flush();
        }
    }

    private function flushReplacements(): void
    {
        if ($this->replacementPackages === []) {
            return;
        }
        $packages = $this->replacementPackages;
        $hasFreight = $this->replacementHasFreight;
        $hasItems = $this->replacementHasItems;
        $syntheticSkuIds = $this->replacementSyntheticSkuIds;
        $this->db->transaction(function () use ($packages, $hasFreight, $hasItems, $syntheticSkuIds): void {
            $ids = array_keys($packages);
            $previous = [];
            $previousItems = [];
            $oldAmountSkuIds = [];
            $oldHasItems = [];
            $oldRows = $this->db->table('jst_oms_shipping')->whereIn('source_id', $ids)
                ->select(array_merge(
                    ['source_id', 'sku_source_id', 'express_no', 'express_name2', 'freight', 'settle_freight', 'weight_kg', 'settle_weight_kg',
                        'item_id', 'barcode', 'product_name', 'product_code', 'qty', 'amount'],
                    self::PRESERVED_PACKAGE_FIELDS,
                    self::PRESERVED_CONTACT_FIELDS,
                    self::PRESERVED_ITEM_FIELDS,
                ))
                ->get();
            foreach ($oldRows as $oldRow) {
                $id = (int) $oldRow->source_id;
                $row = (array) $oldRow;
                $previousItems[$id][(int) $oldRow->sku_source_id] = $row;
                if ($row['amount'] !== null) {
                    $oldAmountSkuIds[$id][(int) $oldRow->sku_source_id] = true;
                }
                foreach (['item_id', 'barcode', 'product_name', 'product_code', 'qty', 'amount',
                    'finished_barcode', 'finished_name', 'finished_supplier'] as $field) {
                    if ($row[$field] !== null && $row[$field] !== '') {
                        $oldHasItems[$id] = true;
                        break;
                    }
                }
                if (! isset($previous[$id])) {
                    $previous[$id] = $row;
                    continue;
                }
                foreach (array_merge(
                    ['freight', 'settle_freight', 'weight_kg', 'settle_weight_kg', 'express_no', 'express_name2'],
                    self::PRESERVED_PACKAGE_FIELDS,
                    self::PRESERVED_CONTACT_FIELDS,
                ) as $field) {
                    if (($previous[$id][$field] ?? null) === null || $previous[$id][$field] === '') {
                        $previous[$id][$field] = $row[$field];
                    }
                }
            }

            $rows = [];
            $replaceIds = [];
            $refresh = [];
            foreach ($packages as $id => $packageRows) {
                if (! ($hasItems[$id] ?? false) && ($oldHasItems[$id] ?? false)) {
                    $this->packagesRetainedForMissingItems++;
                    $refresh[$id] = $packageRows[0] ?? [];
                    continue;
                }
                $unmatchedOldAmounts = $oldAmountSkuIds[$id] ?? [];
                $unsafeAmount = false;
                foreach ($packageRows as &$packageRow) {
                    $skuId = (int) $packageRow['sku_source_id'];
                    $oldItem = $previousItems[$id][$skuId] ?? null;
                    if ($packageRow['amount'] !== null) {
                        unset($unmatchedOldAmounts[$skuId]);
                        continue;
                    }
                    if ($oldItem === null || $oldItem['amount'] === null) {
                        continue;
                    }
                    if (isset($syntheticSkuIds[$id][$skuId])) {
                        $oldBarcode = trim((string) $oldItem['barcode']);
                        $newBarcode = trim((string) ($packageRow['barcode'] ?? ''));
                        if ($oldBarcode === '' || $newBarcode === '' || $oldBarcode !== $newBarcode) {
                            $unsafeAmount = true;
                            break;
                        }
                    }
                    $packageRow['amount'] = $oldItem['amount'];
                    unset($unmatchedOldAmounts[$skuId]);
                }
                unset($packageRow);
                if (! $unsafeAmount && $unmatchedOldAmounts !== []) {
                    foreach ($packageRows as $packageRow) {
                        if ($packageRow['amount'] === null) {
                            $unsafeAmount = true;
                            break;
                        }
                    }
                }
                if ($unsafeAmount) {
                    $this->packagesRetainedForUnmatchedAmount++;
                    $refresh[$id] = $packageRows[0] ?? [];
                    continue;
                }
                $replaceIds[] = $id;
                foreach ($packageRows as &$packageRow) {
                    foreach (self::PRESERVED_PACKAGE_FIELDS as $field) {
                        $packageRow[$field] ??= null;
                    }
                    foreach (self::PRESERVED_ITEM_FIELDS as $field) {
                        $packageRow[$field] = $previousItems[$id][(int) $packageRow['sku_source_id']][$field] ?? null;
                    }
                }
                unset($packageRow);
                if (isset($previous[$id])) {
                    foreach (self::PRESERVED_PACKAGE_FIELDS as $field) {
                        $packageRows[0][$field] = $previous[$id][$field] ?? null;
                    }
                    foreach (self::PRESERVED_CONTACT_FIELDS as $field) {
                        if (($packageRows[0][$field] ?? null) === null || $packageRows[0][$field] === '') {
                            $packageRows[0][$field] = $previous[$id][$field] ?? null;
                        }
                    }
                    if ($this->skipFreight) {
                        $packageRows[0] = $this->withPreservedFreight($packageRows[0], $previous[$id]);
                    } elseif (! ($hasFreight[$id] ?? false)) {
                        $packageRows[0] = $this->withPreservedCharges($packageRows[0], $previous[$id], false);
                    }
                }
                array_push($rows, ...$packageRows);
            }
            $this->refreshRetainedPackages($refresh);
            if ($replaceIds === []) {
                return;
            }
            $this->db->table('jst_oms_shipping')->whereIn('source_id', $replaceIds)->delete();
            foreach (array_chunk($rows, self::FLUSH) as $chunk) {
                $this->db->table('jst_oms_shipping')->insert($chunk);
            }
        });

        $this->replacementPackages = [];
        $this->replacementHasFreight = [];
        $this->replacementHasItems = [];
        $this->replacementSyntheticSkuIds = [];
        $this->replacementRowCount = 0;
    }

    private function flush(): void
    {
        if ($this->buffer === []) {
            return;
        }
        $this->db->table('jst_oms_shipping')->insertOrIgnore($this->buffer);
        $this->buffer = [];
    }

    private function isPricePatch(?string $name): bool
    {
        if ($name === null || $name === '') {
            return false;
        }

        return str_contains($name, '补收差价') || str_contains($name, '差价专用');
    }

    /**
     * 线上发货标签排除口径(对齐工作平台)：
     *   工作平台只排除"刷单/批发/纯售后"这类无实物的线上发货虚拟单；
     *   云仓/京仓(CLPS/ECLP)真实发货工作平台是收进的，不能排除。
     *   实测(9.1-9.16)：该口径误排 2、误收 0。
     */
    private function excludedByLabel(?string $labels): bool
    {
        if ($labels === null || $labels === '') {
            return false;
        }
        if (! str_contains($labels, '线上发货')) {
            return false;
        }
        // 云仓/京仓真实发货：工作平台收进，保留
        if (str_contains($labels, '云仓订单') || str_contains($labels, '京仓订单')
            || str_contains($labels, 'CLPS') || str_contains($labels, 'ECLP')) {
            return false;
        }

        return true;
    }

    /** @return array<string,array> sku_id => 尺寸/重量/供应商 */
    private function loadSkus(array $skuIds): array
    {
        $out = [];
        foreach (array_chunk($skuIds, 800) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            foreach ($this->selectWithReconnect("SELECT sku_id, l, w, h, pack_volume, weight, supplier_name, name, i_id FROM rpt.jst_sku WHERE sku_id IN ({$ph})", $chunk) as $r) {
                $out[(string) $r['sku_id']] = [
                    'l' => $r['l'] ?? null, 'w' => $r['w'] ?? null, 'h' => $r['h'] ?? null,
                    'vol' => $r['pack_volume'] ?? null, 'weight' => $r['weight'] ?? null,
                    'supplier' => $r['supplier_name'] ?? null,
                    'name' => $r['name'] ?? null, 'iid' => $r['i_id'] ?? null,
                ];
            }
        }

        return $out;
    }

    /** @return array<string,array> so_id|expressNo => 运费 (含 so_id| 兜底键) */
    private function loadFreight(array $soIds): array
    {
        $out = [];
        foreach (array_chunk($soIds, 800) as $chunk) {
            if ($chunk === []) {
                continue;
            }
            $ph = implode(',', array_fill(0, count($chunk), '?'));
            $sql = 'SELECT so_id, expressNo, SUM(freightCost) AS cost, SUM(weight) AS w, '
                . 'MAX(expressName) AS name, MAX(receiver_state) AS state '
                . "FROM rpt.fys_jstFreightCostDetail WHERE so_id IN ({$ph}) GROUP BY so_id, expressNo";
            foreach ($this->selectWithReconnect($sql, $chunk) as $r) {
                $expno = (string) ($r['expressNo'] ?? '');
                $val = ['cost' => $r['cost'] ?? null, 'w' => $r['w'] ?? null, 'name' => $r['name'] ?? null, 'state' => $r['state'] ?? null, 'no' => $expno ?: null];
                $out[((string) $r['so_id']) . '|' . $expno] = $val;
                $out[((string) $r['so_id']) . '|'] ??= $val;
            }
        }

        return $out;
    }

    /**
     * 窗口内本次未扫到的旧包裹：若其快递单号已由本次其它包裹(新来源键)吐出，说明是被取代的旧记录
     * (如凌晨同步时发货明细未到、先按自动发货仓/出库单兜底入库，之后发货明细到齐换成发货明细来源)，删除以免重复和残留空白；
     * 其余仍保留并计数，需按源键核对。
     */
    private function countUnseenMirrorPackages(string $fromS, string $toS): int
    {
        $unseen = 0;
        $superseded = [];
        $rows = $this->db->table('jst_oms_shipping')
            ->where('ship_time', '>=', $fromS)->where('ship_time', '<', $toS)
            ->selectRaw('source_id, MAX(express_no) AS express_no, MAX(trade_no) AS trade_no')->groupBy('source_id')->get();
        foreach ($rows as $row) {
            $id = (int) $row->source_id;
            if (isset($this->seenSourceIds[$id])) {
                continue;
            }
            $tk = ltrim(trim((string) ($row->express_no ?? '')), '@');
            if ($tk !== '' && isset($this->emittedTrack[$tk])) {
                $superseded[] = $id;
                continue;
            }
            // 凌晨按自动发货仓入库、当时还没有快递单号的旧包裹：订单之后有了发货明细(改走发货明细来源键)，
            // 或同一交易单号本次已由其它包裹吐出 → 视为被取代
            // 出库单兜底/采购退货出库：本次已完整扫描窗口内的出库单与采购退货单，未再出现说明上游已作废、换单或不再收录(工作平台也不再显示)
            if (($id >= self::PURCHASE_OUT_OFFSET && $this->purchaseScanned > 0)
                || ($id >= self::OUTBOUND_OFFSET && $id < self::PURCHASE_OUT_OFFSET && $this->outboundScanned > 0)) {
                $superseded[] = $id;
                continue;
            }
            $so = trim((string) ($row->trade_no ?? ''));
            $isAuto = $id >= self::AUTOSHIP_OFFSET && $id < self::OUTBOUND_OFFSET;
            if (($isAuto && isset($this->expressOrderIds[(string) ($id - self::AUTOSHIP_OFFSET)]))
                || ($tk === '' && $so !== '' && isset($this->emittedSo[$so]))) {
                $superseded[] = $id;
                continue;
            }
            $unseen++;
        }
        foreach (array_chunk($superseded, 500) as $chunk) {
            $this->db->table('jst_oms_shipping')->whereIn('source_id', $chunk)->delete();
        }
        $this->supersededRemoved = count($superseded);

        return $unseen;
    }

    /** 因商品/金额无法安全替换而保留的旧包裹：包裹级字段(省市区、快递、仓库、店铺等)仍按本次上游刷新，商品与金额不动。 */
    private function refreshRetainedPackages(array $refresh): void
    {
        foreach ($refresh as $id => $new) {
            $set = [];
            foreach (self::REFRESHED_PACKAGE_FIELDS as $field) {
                $v = $new[$field] ?? null;
                if ($v !== null && trim((string) $v) !== '') {
                    $set[$field] = $v;
                }
            }
            if ($set !== []) {
                $this->db->table('jst_oms_shipping')->where('source_id', (int) $id)->update($set);
            }
        }
    }

    private function withPreservedFreight(array $payload, array $previous): array
    {
        $payload = $this->withPreservedCharges($payload, $previous);
        if (! empty($previous['express_no'])) {
            $payload['express_no'] = $previous['express_no'];
        }
        $payload['express_name2'] = $previous['express_name2'] ?? $payload['express_name2'];

        return $payload;
    }

    private function withPreservedCharges(array $payload, array $previous, bool $includeNull = true): array
    {
        foreach (['freight', 'settle_freight', 'weight_kg', 'settle_weight_kg'] as $field) {
            if ($includeNull || $previous[$field] !== null) {
                $payload[$field] = $previous[$field];
            }
        }

        return $payload;
    }

    /** jst_oms_shipping 文本列长度上限：上游偶有超长值(如组合装商品ID)，超长截断而不是整批写入失败。 */
    private const COLUMN_LIMITS = [
        'express_no' => 64, 'trade_no' => 64, 'item_id' => 64, 'barcode' => 128, 'product_name' => 512,
        'receiver_state' => 64, 'receiver_city' => 64, 'receiver_district' => 64, 'receiver_name' => 128,
        'receiver_mobile' => 64, 'receiver_phone' => 64, 'shop_name' => 255, 'express_name1' => 128,
        'express_name2' => 128, 'warehouse_name' => 128, 'supplier_name' => 128, 'platform' => 64,
        'product_code' => 128, 'pkg_count' => 32, 'm_name' => 500,
    ];

    private function cleanPayload(array $data): array
    {
        foreach ($data as $k => $v) {
            if (is_string($v)) {
                $v = $this->cleanStr($v);
                $limit = self::COLUMN_LIMITS[$k] ?? null;
                if ($limit !== null && mb_strlen($v) > $limit) {
                    $v = mb_substr($v, 0, $limit);
                }
                $data[$k] = $v;
            }
        }

        return $data;
    }

    /**
     * 订单商品表里平台原始商品行(数量 0、金额 0)并没有实际出库，聚水潭工作平台也不显示；
     * 包裹已有实发商品时不写入这类行，避免多出一个"条码"(其实是平台商品编号)。
     *
     * @param list<array<string,mixed>> $items
     * @return list<array<string,mixed>>
     */
    private function dropZeroQtyPlaceholders(array $items): array
    {
        $zero = static fn ($v): bool => $v !== null && $v !== '' && is_numeric($v) && (float) $v == 0.0;
        $placeholder = static fn (array $it): bool => $zero($it['qty'] ?? null)
            && (($it['amount'] ?? null) === null || ($it['amount'] ?? null) === '' || $zero($it['amount']));
        $keep = array_values(array_filter($items, static fn (array $it): bool => ! $placeholder($it)));
        $hasShipped = array_filter($keep, static fn (array $it): bool => is_numeric($it['qty'] ?? null) && (float) $it['qty'] > 0);

        return ($hasShipped !== [] && count($keep) < count($items)) ? $keep : $items;
    }

    private function cleanStr(string $v): string
    {
        $v = str_replace("\0", '', $v);
        $clean = @iconv('UTF-8', 'UTF-8//IGNORE', $v);
        if ($clean === false) {
            $clean = mb_convert_encoding($v, 'UTF-8', 'UTF-8');
        }

        return $clean;
    }

    private function ts(mixed $v): ?string
    {
        if ($v === null || $v === '') {
            return null;
        }
        try {
            return Carbon::parse((string) $v)->format('Y-m-d H:i:s');
        } catch (Throwable) {
            return null;
        }
    }

    private function markRunning(): void
    {
        $this->db->table('jst_sync_state')->updateOrInsert(
            ['dataset_key' => self::DATASET],
            ['status' => 'running', 'last_started_at' => now(), 'updated_at' => now(), 'created_at' => now()]
        );
    }

    private function markSucceeded(): void
    {
        $this->db->table('jst_sync_state')->where('dataset_key', self::DATASET)->update([
            'status' => 'succeeded', 'last_succeeded_at' => now(), 'last_error' => null, 'watermark' => now(), 'updated_at' => now(),
        ]);
    }

    private function windowDatasetKey(string $prefix, string $fromS, string $toS): string
    {
        return $prefix . Carbon::parse($fromS)->format('YmdHis') . '-' . Carbon::parse($toS)->format('YmdHis');
    }

    private function markFreightIncomplete(string $fromS, string $toS): void
    {
        $this->db->table('jst_sync_state')->updateOrInsert(
            ['dataset_key' => $this->windowDatasetKey(self::FREIGHT_DATASET_PREFIX, $fromS, $toS)],
            [
                'status' => 'pending',
                'last_error' => '本窗口采用数量优先补录；上游运费查询已跳过，新记录的运费和结算重量待补齐，空白不代表 0。',
                'updated_at' => now(),
                'created_at' => now(),
            ],
        );
    }

    private function markItemsIncomplete(string $fromS, string $toS): void
    {
        $detail = sprintf(
            '部分日期窗口的商品或金额待核对：%d 个包裹未匹配商品，%d 个包裹金额无法安全匹配，DWS 预载失败 %d 天。',
            $this->packagesWithoutItems,
            $this->packagesRetainedForUnmatchedAmount,
            count($this->dwsFailedDays),
        );
        $this->db->table('jst_sync_state')->updateOrInsert(
            ['dataset_key' => $this->windowDatasetKey(self::ITEMS_DATASET_PREFIX, $fromS, $toS)],
            ['status' => 'pending', 'last_error' => $detail, 'updated_at' => now(), 'created_at' => now()],
        );
    }

    private function markCovered(string $prefix, string $fromS, string $toS): void
    {
        $from = Carbon::parse($fromS)->format('YmdHis');
        $to = Carbon::parse($toS)->format('YmdHis');
        $states = $this->db->table('jst_sync_state')->where('dataset_key', 'like', $prefix . '%')
            ->where('status', '!=', 'succeeded')->pluck('dataset_key');
        foreach ($states as $key) {
            $range = substr((string) $key, strlen($prefix));
            if (! preg_match('/^\d{14}-\d{14}$/', $range)) {
                continue;
            }
            [$pendingFrom, $pendingTo] = explode('-', $range, 2);
            if ($from <= $pendingFrom && $pendingTo <= $to) {
                $this->db->table('jst_sync_state')->where('dataset_key', $key)->update([
                    'status' => 'succeeded', 'last_error' => null, 'last_succeeded_at' => now(), 'updated_at' => now(),
                ]);
            }
        }
    }

    private function markIncompleteWindow(int $unseen): void
    {
        $this->db->table('jst_sync_state')->where('dataset_key', self::DATASET)->update([
            'status' => 'partial',
            'last_error' => "本窗口尚有 {$unseen} 个镜像包裹未在上游扫描中出现，已保留原记录，需按源键核对。",
            'updated_at' => now(),
        ]);
    }

    private function markFailed(string $err): void
    {
        $this->db->table('jst_sync_state')->where('dataset_key', self::DATASET)->update([
            'status' => 'failed', 'last_error' => mb_substr($err, 0, 1000), 'updated_at' => now(),
        ]);
    }
}