<?php

namespace Modules\EcommerceFinance\Repositories;

use Illuminate\Database\ConnectionInterface;
use Illuminate\Database\Query\Builder;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;
use Modules\EcommerceFinance\Services\DingPayableWorkflowStatus;
use RuntimeException;

/**
 * 线上代发价格的统一镜像查询。
 *
 * 钉钉线上代发审批和聚水潭采购单先分别同步到共享业务镜像，再在这里合并。
 * 页面请求只读共享镜像，不跨来源实时查询上游。
 */
class DingOnlineDaifaPriceMirrorRepository
{
    public const DATASET_KEY = 'operations_replica.rpt.ding_online_daifa_price';

    public const TARGET_TABLE = 'ding_online_daifa_price_mirror';

    private const ORDER_DATASET_KEY = 'operations_replica.rpt.jst_Orders';

    /** 聚水潭订单来源：非淘系 + 淘系（奇门），两套表结构一致。 */
    private const JST_ORDER_SOURCES = [
        ['ops_jst_orders', 'ops_jst_order_item'],
        ['ops_jst_qmcust_orders', 'ops_jst_qmcust_order_items'],
    ];

    /** 被拆分、合并、作废的原单不代表实际发货，有其它有效订单时不参与拼接。 */
    private const JST_INACTIVE_ORDER_STATUSES = ['Cancelled', 'Split', 'Merged', 'Delete'];

    private const JST_LOOKUP_CHUNK = 500;

    private const EXPORT_HYDRATE_BATCH = 200;

    /** 核查索引一次关联聚水潭订单的行数（与订单查询分块一致，减少往返次数）。 */
    private const AUDIT_HYDRATE_BATCH = 500;

    /** 报销成本核查结果：代发订单金额 vs Σ(实际发货子商品成本价 × 数量)。 */
    public const AUDIT_OVER = '多报销';

    public const AUDIT_OK = '正常';

    public const AUDIT_COST_MISSING = '成本缺失';

    public const AUDIT_NO_SHIPMENT = '无发货明细';

    public const AUDIT_RESULTS = [self::AUDIT_OVER, self::AUDIT_OK, self::AUDIT_COST_MISSING, self::AUDIT_NO_SHIPMENT];

    /** 报销金额比系统成本高出超过此值即判为多报销（元）。 */
    private const AUDIT_TOLERANCE = 0.01;

    private const AUDIT_CACHE_SECONDS = 600;

    private readonly ConnectionInterface $connection;

    /** @var array<string,array<string,mixed>>|null */
    private ?array $sourceStatusCache = null;

    /** @var list<array{orders:string,items:string,status:bool,labels:bool,combine:bool}>|null */
    private ?array $jstOrderSourceCache = null;

    public function __construct(GenericBusinessMirrorRepository $mirror)
    {
        $this->connection = $mirror->connection();
    }

    public function ready(): bool
    {
        return collect($this->sourceStatuses())->contains(
            static fn (array $source): bool => (bool) ($source['ready'] ?? false),
        );
    }

    /**
     * 页面分页。
     *
     * 不再把两张来源表整表 UNION 成派生表再数数、汇总、排序（每次打开都要把两边全量
     * 物化三遍，连同审批 JSON 一起落盘排序，数据一多就超时）。改为：
     *  - 筛选条件分别下推到钉钉、采购两个来源；
     *  - 总数、合计按来源各算一次再相加；
     *  - 两边各按同一排序只取前 (页码×每页) 条主键，合并后取当前页；
     *  - 只给当前页的行回表取完整字段（含审批 JSON）。
     * 结果与原先整表合并后的排序、筛选、合计一致。
     *
     * @return array{data:list<array<string,mixed>>,total:int,status:string,last_synced_at:?string,summary:array<string,mixed>,source_statuses:array<string,array<string,mixed>>}
     */
    public function paginate(array $filters, int $page, int $perPage): array
    {
        if (! $this->ready()) {
            throw new RuntimeException('business_mirror_dataset_not_ready');
        }

        $page = max($page, 1);
        $perPage = min(max($perPage, 1), 100);
        $sources = $this->sourceStatuses();
        $ding = (bool) ($sources['ding']['ready'] ?? false) ? $this->dingFiltered($filters) : null;
        $purchase = (bool) ($sources['purchase']['ready'] ?? false) ? $this->purchaseFiltered($filters) : null;

        $summary = [
            'count' => 0,
            'matched_count' => 0,
            'matchable_count' => 0,
            'purchase_count' => 0,
            'daifa_amount' => 0.0,
            'paid_amount' => 0.0,
            'price_diff' => 0.0,
        ];

        if ($ding !== null) {
            $aggregate = (clone $ding)
                ->selectRaw(
                    'COUNT(*) AS row_count, '
                    . "SUM(CASE WHEN d.product_id IS NOT NULL AND d.product_id <> '' "
                    . "AND d.product_name IS NOT NULL AND d.product_name <> '' THEN 1 ELSE 0 END) AS matched_count, "
                    . 'COALESCE(SUM(d.daifa_amount), 0) AS daifa_amount, '
                    . 'COALESCE(SUM(d.paid_amount), 0) AS paid_amount, '
                    . 'COALESCE(SUM(d.price_diff), 0) AS price_diff'
                )
                ->first();
            $summary['matchable_count'] = (int) ($aggregate->row_count ?? 0);
            $summary['matched_count'] = (int) ($aggregate->matched_count ?? 0);
            $summary['daifa_amount'] = round((float) ($aggregate->daifa_amount ?? 0), 2);
            $summary['paid_amount'] = round((float) ($aggregate->paid_amount ?? 0), 2);
            $summary['price_diff'] = round((float) ($aggregate->price_diff ?? 0), 2);
        }
        if ($purchase !== null) {
            $summary['purchase_count'] = (int) (clone $purchase)->count();
        }
        $total = $summary['matchable_count'] + $summary['purchase_count'];
        $summary['count'] = $total;

        $pageRows = [];
        if ($total > 0 && ($filters['audit'] ?? '') === '') {
            $pageRows = $this->pageRows($ding, $purchase, $page, $perPage);
        }

        $audit = $total > 0 ? $this->auditIndex($filters) : ['keys' => [], 'counts' => [], 'over_amount' => 0.0];
        $summary['audit_counts'] = $audit['counts'];
        $summary['over_amount'] = $audit['over_amount'];
        if (($filters['audit'] ?? '') !== '') {
            $keys = $audit['keys'][$filters['audit']] ?? [];
            $total = count($keys);
            $pageRows = $this->rowsForKeys(array_slice($keys, ($page - 1) * $perPage, $perPage), $filters);
        }

        $data = [];
        foreach ($pageRows as $row) {
            $data[] = $this->presentRow($row);
        }
        $this->attachJstOrderDetails($data);
        $this->attachCostAudit($data);

        $readySources = array_filter($sources, static fn (array $source): bool => (bool) ($source['ready'] ?? false));
        $synced = array_values(array_filter(array_column($readySources, 'last_synced_at')));

        return [
            'data' => $data,
            'total' => $total,
            'status' => count($readySources) > 1
                ? 'available'
                : (string) (reset($readySources)['status'] ?? 'unknown'),
            'last_synced_at' => $synced === [] ? null : max($synced),
            'summary' => $summary,
            'source_statuses' => $sources,
        ];
    }

    /**
     * 两个来源各取前 N 条主键（只带排序列，排序很轻），合并排序后截出当前页，
     * 再按主键回表取完整行。排序口径与原 UNION 一致：创建时间、单号（按文本）、明细序号均倒序。
     *
     * @return list<object>
     */
    private function pageRows(?Builder $ding, ?Builder $purchase, int $page, int $perPage): array
    {
        $need = $page * $perPage;
        $branches = [];

        if ($ding !== null) {
            $branches[] = (clone $ding)
                ->select([
                    DB::raw("'ding' AS source_type"),
                    'd.process_instance_id',
                    'd.detail_index',
                    'd.workflow_created_at',
                ])
                ->orderByDesc('d.workflow_created_at')
                ->orderByDesc('d.process_instance_id')
                ->orderByDesc('d.detail_index')
                ->limit($need);
        }
        if ($purchase !== null) {
            $created = 'COALESCE(p.document_created_at, p.purchase_updated_at)';
            $branches[] = (clone $purchase)
                ->select([
                    DB::raw("'purchase' AS source_type"),
                    DB::raw('CAST(p.purchase_order_id AS CHAR) AS process_instance_id'),
                    'p.item_id as detail_index',
                    DB::raw($created . ' AS workflow_created_at'),
                ])
                ->orderByRaw($created . ' DESC')
                ->orderByRaw('CAST(p.purchase_order_id AS CHAR) DESC')
                ->orderByDesc('p.item_id')
                ->limit($need);
        }
        if ($branches === []) {
            return [];
        }

        $union = array_shift($branches);
        foreach ($branches as $branch) {
            $union->unionAll($branch);
        }

        $keys = $this->connection->query()
            ->fromSub($union, 'online_daifa_keys')
            ->orderByDesc('workflow_created_at')
            ->orderByDesc('process_instance_id')
            ->orderByDesc('detail_index')
            ->offset(($page - 1) * $perPage)
            ->limit($perPage)
            ->get();

        $dingIds = [];
        $itemIds = [];
        foreach ($keys as $key) {
            if ((string) $key->source_type === 'purchase') {
                $itemIds[(int) $key->detail_index] = true;
            } else {
                $dingIds[(string) $key->process_instance_id] = true;
            }
        }

        $full = [];
        if ($dingIds !== []) {
            foreach ($this->dingQuery()->whereIn('d.process_instance_id', array_keys($dingIds))->get() as $row) {
                $full['ding|' . $row->process_instance_id . '|' . (int) $row->detail_index] = $row;
            }
        }
        if ($itemIds !== []) {
            foreach ($this->purchaseQuery()->whereIn('p.item_id', array_keys($itemIds))->get() as $row) {
                $full['purchase|' . (int) $row->detail_index] = $row;
            }
        }

        $rows = [];
        foreach ($keys as $key) {
            $lookup = (string) $key->source_type === 'purchase'
                ? 'purchase|' . (int) $key->detail_index
                : 'ding|' . $key->process_instance_id . '|' . (int) $key->detail_index;
            if (isset($full[$lookup])) {
                $rows[] = $full[$lookup];
            }
        }

        return $rows;
    }

    /** 钉钉来源加上页面筛选；该来源被筛选条件整体排除时返回 null。 */
    private function dingFiltered(array $filters): ?Builder
    {
        if (($filters['status'] ?? '') !== '' && strtoupper((string) $filters['status']) !== $this->dingStatusKey()) {
            return null;
        }

        $query = $this->connection->table(self::TARGET_TABLE . ' as d');
        if (($filters['product_id'] ?? '') !== '') {
            $query->where('d.product_id', (string) $filters['product_id']);
        }
        if (($filters['shop_name'] ?? '') !== '') {
            $query->where('d.shop_name', (string) $filters['shop_name']);
        }
        if (($filters['supplier_name'] ?? '') !== '') {
            $query->whereRaw("d.supplier_name LIKE ? ESCAPE '!'", [$this->contains((string) $filters['supplier_name'])]);
        }
        if (($filters['material_no'] ?? '') !== '') {
            $query->where('d.material_no', (string) $filters['material_no']);
        }
        if (($filters['keyword'] ?? '') !== '') {
            $like = '%' . (string) $filters['keyword'] . '%';
            $query->where(function ($q) use ($like): void {
                $q->where('d.process_instance_id', 'like', $like)
                    ->orWhere('d.daifa_trade_no', 'like', $like)
                    ->orWhere('d.shop_trade_no', 'like', $like);
            });
        }
        if (($filters['created_from'] ?? '') !== '') {
            $query->where('d.workflow_created_at', '>=', (string) $filters['created_from']);
        }
        if (($filters['created_to'] ?? '') !== '') {
            $query->where('d.workflow_created_at', '<', $this->createdToBound((string) $filters['created_to']));
        }

        return $query;
    }

    /** 采购单来源加上页面筛选；该来源被筛选条件整体排除时返回 null。 */
    private function purchaseFiltered(array $filters): ?Builder
    {
        // 采购单行没有商品ID，按商品ID筛选时不会有采购单行。
        if (($filters['product_id'] ?? '') !== '') {
            return null;
        }

        $query = $this->connection->table('product_purchase_price_mirror_rows as p')
            ->whereIn('p.document_status', ['Confirmed', 'Finished']);
        // 只有按店铺/关键字筛选时才需要关联订单表。
        if (($filters['shop_name'] ?? '') !== '' || ($filters['keyword'] ?? '') !== '') {
            $query->leftJoin('ops_jst_orders as o', 'o.o_id', '=', 'p.source_order_no');
        }
        if (($filters['shop_name'] ?? '') !== '') {
            $query->where('o.shop_name', (string) $filters['shop_name']);
        }
        if (($filters['supplier_name'] ?? '') !== '') {
            $query->whereRaw("p.supplier_name LIKE ? ESCAPE '!'", [$this->contains((string) $filters['supplier_name'])]);
        }
        if (($filters['material_no'] ?? '') !== '') {
            $query->where('p.sku_id', (string) $filters['material_no']);
        }
        if (($filters['keyword'] ?? '') !== '') {
            $like = '%' . (string) $filters['keyword'] . '%';
            $query->where(function ($q) use ($like): void {
                $q->where('p.purchase_order_id', 'like', $like)
                    ->orWhere('o.so_id', 'like', $like)
                    ->orWhere('p.source_order_no', 'like', $like);
            });
        }
        if (($filters['status'] ?? '') !== '') {
            $query->whereRaw('UPPER(p.document_status) = ?', [strtoupper((string) $filters['status'])]);
        }
        if (($filters['created_from'] ?? '') !== '') {
            $query->whereRaw('COALESCE(p.document_created_at, p.purchase_updated_at) >= ?', [(string) $filters['created_from']]);
        }
        if (($filters['created_to'] ?? '') !== '') {
            $query->whereRaw(
                'COALESCE(p.document_created_at, p.purchase_updated_at) < ?',
                [$this->createdToBound((string) $filters['created_to'])],
            );
        }

        return $query;
    }

    private function createdToBound(string $date): string
    {
        return Carbon::parse($date)->addDay()->startOfDay()->format('Y-m-d H:i:s');
    }

    private function dingStatusKey(): string
    {
        return strtoupper(trim((string) config(
            'upstream_mirrors.ding_online_daifa_price.only_status',
            'COMPLETED',
        ))) ?: 'COMPLETED';
    }

    /** @return \Generator<int,array<string,mixed>> */
    public function exportRows(array $filters): \Generator
    {
        if (! $this->ready()) {
            throw new RuntimeException('business_mirror_dataset_not_ready');
        }

        if (($filters['audit'] ?? '') !== '') {
            $keys = $this->auditIndex($filters)['keys'][$filters['audit']] ?? [];
            foreach (array_chunk($keys, self::EXPORT_HYDRATE_BATCH) as $chunk) {
                $buffer = [];
                foreach ($this->rowsForKeys($chunk, $filters) as $row) {
                    $buffer[] = $this->presentRow($row);
                }
                $this->attachJstOrderDetails($buffer);
                $this->attachCostAudit($buffer);
                yield from $buffer;
            }

            return;
        }

        $rows = $this->filteredQuery($filters)
            ->orderByDesc('workflow_created_at')
            ->orderByDesc('process_instance_id')
            ->orderByDesc('detail_index')
            ->cursor();

        $buffer = [];
        foreach ($rows as $row) {
            $buffer[] = $this->presentRow($row);
            if (count($buffer) >= self::EXPORT_HYDRATE_BATCH) {
                $this->attachJstOrderDetails($buffer);
                $this->attachCostAudit($buffer);
                yield from $buffer;
                $buffer = [];
            }
        }
        if ($buffer !== []) {
            $this->attachJstOrderDetails($buffer);
            $this->attachCostAudit($buffer);
            yield from $buffer;
        }
    }

    /**
     * 按线上订单号（钉钉行）或内部单号（采购单行）批量关联聚水潭订单，补充：
     *  - ship_skus：实际发货商品编码（组合装拆开后的子商品编码 × 数量）；
     *  - jst_labels：聚水潭订单界面的「标记|多标签」。
     *
     * 只按当前这一批行的单号做等值查询（so_id / o_id 均有索引），不扫整张订单表。
     *
     * @param list<array<string,mixed>> $rows
     */
    private function attachJstOrderDetails(array &$rows): void
    {
        foreach ($rows as &$row) {
            $row['ship_skus'] = '';
            $row['ship_sku_items'] = [];
            $row['jst_labels'] = '';
        }
        unset($row);

        $soIds = [];
        $oIds = [];
        foreach ($rows as $row) {
            if (($row['source_type'] ?? 'ding') === 'purchase') {
                $oId = trim((string) ($row['source_order_no'] ?? ''));
                if ($oId !== '' && ctype_digit($oId)) {
                    $oIds[(int) $oId] = true;
                }
            } else {
                foreach ($this->splitTradeNos((string) ($row['shop_trade_no'] ?? '')) as $soId) {
                    $soIds[$soId] = true;
                }
            }
        }
        if ($soIds === [] && $oIds === []) {
            return;
        }

        try {
            [$ordersBySo, $ordersByOid] = $this->loadJstOrders(array_keys($soIds), array_keys($oIds));
        } catch (\Throwable $exception) {
            report($exception);

            return;
        }

        foreach ($rows as &$row) {
            if (($row['source_type'] ?? 'ding') === 'purchase') {
                $orders = $ordersByOid[trim((string) ($row['source_order_no'] ?? ''))] ?? [];
            } else {
                $orders = [];
                foreach ($this->splitTradeNos((string) ($row['shop_trade_no'] ?? '')) as $soId) {
                    foreach ($ordersBySo[$soId] ?? [] as $order) {
                        $orders[$order['key']] = $order;
                    }
                }
                $orders = array_values($orders);
            }
            if ($orders === []) {
                continue;
            }

            $active = array_values(array_filter(
                $orders,
                static fn (array $order): bool => ! in_array($order['status'], self::JST_INACTIVE_ORDER_STATUSES, true),
            ));
            if ($active === []) {
                $active = $orders;
            }

            $labels = [];
            $items = [];
            foreach ($active as $order) {
                foreach ($order['labels'] as $label) {
                    $labels[$label] = true;
                }
                foreach ($order['items'] as $item) {
                    $items[] = $item;
                }
            }

            $shipped = $this->shippedItemsFor($items, (string) ($row['material_no'] ?? ''));
            $row['ship_sku_items'] = $shipped;
            $row['ship_skus'] = implode(', ', array_map(
                fn (array $item): string => $item['sku_id'] . '×' . $this->formatQty($item['qty']),
                $shipped,
            ));
            $row['jst_labels'] = implode(',', array_keys($labels));
        }
        unset($row);
    }

    /**
     * 同一订单里可能有多个组合装或混着普通商品：优先只取由本行「商品编码」
     * 拆出来的子商品；本行编码本身就是普通商品时取它自己；都对不上再列整单。
     *
     * @param list<array{sku_id:string,qty:float,combine:string}> $items
     * @return list<array{sku_id:string,qty:float}>
     */
    private function shippedItemsFor(array $items, string $materialNo): array
    {
        $materialNo = trim($materialNo);
        $selected = [];
        if ($materialNo !== '') {
            $selected = array_values(array_filter($items, static fn (array $i): bool => $i['combine'] === $materialNo));
            if ($selected === []) {
                $selected = array_values(array_filter(
                    $items,
                    static fn (array $i): bool => $i['combine'] === '' && $i['sku_id'] === $materialNo,
                ));
            }
        }
        if ($selected === []) {
            $selected = $items;
        }

        $merged = [];
        foreach ($selected as $item) {
            if ($item['sku_id'] === '') {
                continue;
            }
            $merged[$item['sku_id']] = ($merged[$item['sku_id']] ?? 0.0) + $item['qty'];
        }

        $result = [];
        foreach ($merged as $skuId => $qty) {
            if ($qty > 0) {
                $result[] = ['sku_id' => (string) $skuId, 'qty' => $qty];
            }
        }

        return $result;
    }

    /**
     * @param list<string> $soIds
     * @param list<int> $oIds
     * @return array{0:array<string,list<array<string,mixed>>>,1:array<string,list<array<string,mixed>>>}
     */
    private function loadJstOrders(array $soIds, array $oIds): array
    {
        $bySo = [];
        $byOid = [];

        foreach ($this->jstOrderSources() as $source) {
            $columns = ['o_id', 'so_id'];
            if ($source['status']) {
                $columns[] = 'status';
            }
            if ($source['labels']) {
                $columns[] = 'labels';
            }

            $orders = [];
            foreach (array_chunk($soIds, self::JST_LOOKUP_CHUNK) as $chunk) {
                foreach ($this->connection->table($source['orders'])->whereIn('so_id', $chunk)->get($columns) as $order) {
                    $orders[(string) $order->o_id] = $order;
                }
            }
            foreach (array_chunk($oIds, self::JST_LOOKUP_CHUNK) as $chunk) {
                foreach ($this->connection->table($source['orders'])->whereIn('o_id', $chunk)->get($columns) as $order) {
                    $orders[(string) $order->o_id] = $order;
                }
            }
            if ($orders === []) {
                continue;
            }

            $itemsByOrder = [];
            if ($source['items'] !== '') {
                $itemColumns = ['o_id', 'sku_id', 'qty'];
                if ($source['combine']) {
                    $itemColumns[] = 'src_combine_sku_id';
                }
                foreach (array_chunk(array_map('intval', array_keys($orders)), self::JST_LOOKUP_CHUNK) as $chunk) {
                    foreach ($this->connection->table($source['items'])->whereIn('o_id', $chunk)->get($itemColumns) as $item) {
                        $itemsByOrder[(string) $item->o_id][] = [
                            'sku_id' => trim((string) ($item->sku_id ?? '')),
                            'qty' => (float) ($item->qty ?? 0),
                            'combine' => trim((string) ($item->src_combine_sku_id ?? '')),
                        ];
                    }
                }
            }

            foreach ($orders as $oId => $order) {
                $entry = [
                    'key' => $source['orders'] . ':' . $oId,
                    'status' => trim((string) ($order->status ?? '')),
                    'labels' => $this->splitLabels((string) ($order->labels ?? '')),
                    'items' => $itemsByOrder[$oId] ?? [],
                ];
                $soId = trim((string) ($order->so_id ?? ''));
                if ($soId !== '') {
                    $bySo[$soId][] = $entry;
                }
                $byOid[$oId][] = $entry;
            }
        }

        return [$bySo, $byOid];
    }

    /** @return list<array{orders:string,items:string,status:bool,labels:bool,combine:bool}> */
    private function jstOrderSources(): array
    {
        if ($this->jstOrderSourceCache !== null) {
            return $this->jstOrderSourceCache;
        }

        $schema = Schema::connection($this->connection->getName());
        $sources = [];
        foreach (self::JST_ORDER_SOURCES as [$orders, $items]) {
            if (! $schema->hasTable($orders) || ! $schema->hasColumns($orders, ['o_id', 'so_id'])) {
                continue;
            }
            $hasItems = $schema->hasTable($items) && $schema->hasColumns($items, ['o_id', 'sku_id', 'qty']);
            $sources[] = [
                'orders' => $orders,
                'items' => $hasItems ? $items : '',
                'status' => $schema->hasColumn($orders, 'status'),
                'labels' => $schema->hasColumn($orders, 'labels'),
                'combine' => $hasItems && $schema->hasColumn($items, 'src_combine_sku_id'),
            ];
        }

        return $this->jstOrderSourceCache = $sources;
    }

    /** @return list<string> */
    private function splitTradeNos(string $value): array
    {
        $parts = preg_split('/[\s,，;；\/]+/u', trim($value)) ?: [];

        return array_values(array_unique(array_filter(array_map('trim', $parts), static fn (string $v): bool => $v !== '')));
    }

    /** @return list<string> */
    private function splitLabels(string $value): array
    {
        $parts = preg_split('/[,，]+/u', trim($value)) ?: [];

        return array_values(array_unique(array_filter(array_map('trim', $parts), static fn (string $v): bool => $v !== '')));
    }

    private function formatQty(float $qty): string
    {
        return abs($qty - round($qty)) < 0.0001
            ? (string) (int) round($qty)
            : rtrim(rtrim(number_format($qty, 4, '.', ''), '0'), '.');
    }

    private function filteredQuery(array $filters): Builder
    {
        $query = $this->combinedQuery();

        if (($filters['product_id'] ?? '') !== '') {
            $query->where('product_id', (string) $filters['product_id']);
        }
        if (($filters['shop_name'] ?? '') !== '') {
            $query->where('shop_name', (string) $filters['shop_name']);
        }
        if (($filters['supplier_name'] ?? '') !== '') {
            $query->whereRaw("supplier_name LIKE ? ESCAPE '!'", [$this->contains((string) $filters['supplier_name'])]);
        }
        if (($filters['material_no'] ?? '') !== '') {
            $query->where('material_no', (string) $filters['material_no']);
        }
        if (($filters['keyword'] ?? '') !== '') {
            $keyword = (string) $filters['keyword'];
            $query->where(function ($q) use ($keyword): void {
                $q->where('process_instance_id', 'like', '%' . $keyword . '%')
                    ->orWhere('daifa_trade_no', 'like', '%' . $keyword . '%')
                    ->orWhere('shop_trade_no', 'like', '%' . $keyword . '%')
                    ->orWhere('source_order_no', 'like', '%' . $keyword . '%');
            });
        }
        if (($filters['status'] ?? '') !== '') {
            $query->where('status_key', strtoupper((string) $filters['status']));
        }
        if (($filters['created_from'] ?? '') !== '') {
            $query->where('workflow_created_at', '>=', (string) $filters['created_from']);
        }
        if (($filters['created_to'] ?? '') !== '') {
            $query->where(
                'workflow_created_at',
                '<',
                $this->createdToBound((string) $filters['created_to']),
            );
        }

        return $query;
    }

    private function combinedQuery(): Builder
    {
        $statuses = $this->sourceStatuses();
        $queries = [];

        if ((bool) ($statuses['ding']['ready'] ?? false)) {
            $queries[] = $this->dingQuery();
        }
        if ((bool) ($statuses['purchase']['ready'] ?? false)) {
            $queries[] = $this->purchaseQuery();
        }

        if ($queries === []) {
            throw new RuntimeException('business_mirror_dataset_not_ready');
        }

        $union = array_shift($queries);
        foreach ($queries as $query) {
            $union->unionAll($query);
        }

        return $this->connection->query()->fromSub($union, 'online_daifa_rows');
    }

    private function dingQuery(): Builder
    {
        $status = $this->dingStatusKey();

        return $this->connection->table(self::TARGET_TABLE . ' as d')->select([
            DB::raw("'ding' AS source_type"),
            'd.process_instance_id',
            'd.detail_index',
            DB::raw('NULL AS purchase_order_id'),
            DB::raw('NULL AS source_order_no'),
            'd.product_id',
            'd.product_name',
            'd.daifa_trade_no',
            'd.shop_trade_no',
            'd.shop_name',
            'd.payee_name',
            DB::raw("CASE WHEN d.payee_name = '宁波顾家望业家居有限公司' THEN '刘萧代发' ELSE '1688代发' END AS tag"),
            'd.supplier_name',
            'd.material_no',
            'd.ship_qty',
            'd.paid_amount',
            'd.daifa_amount',
            'd.price_diff',
            'd.workflow_payload',
            'd.scheme_payload',
            'd.task_payload',
            DB::raw("'" . $status . "' AS status_key"),
            'd.workflow_created_at',
        ]);
    }

    private function purchaseQuery(): Builder
    {
        return $this->connection->table('product_purchase_price_mirror_rows as p')
            ->leftJoin('ops_jst_orders as o', 'o.o_id', '=', 'p.source_order_no')
            ->whereIn('p.document_status', ['Confirmed', 'Finished'])
            ->select([
                DB::raw("'purchase' AS source_type"),
                'p.purchase_order_id as process_instance_id',
                'p.item_id as detail_index',
                'p.purchase_order_id',
                'p.source_order_no',
                DB::raw("'' AS product_id"),
                DB::raw('NULL AS product_name'),
                DB::raw("'' AS daifa_trade_no"),
                'o.so_id as shop_trade_no',
                'o.shop_name',
                DB::raw("'' AS payee_name"),
                DB::raw("'采购单管理' AS tag"),
                'p.supplier_name',
                'p.sku_id as material_no',
                'p.quantity as ship_qty',
                DB::raw('NULL AS paid_amount'),
                'p.unit_price as daifa_amount',
                DB::raw('NULL AS price_diff'),
                DB::raw('NULL AS workflow_payload'),
                DB::raw('NULL AS scheme_payload'),
                DB::raw('NULL AS task_payload'),
                DB::raw('UPPER(p.document_status) AS status_key'),
                DB::raw('COALESCE(p.document_created_at, p.purchase_updated_at) AS workflow_created_at'),
            ]);
    }

    /** @return array<string,array<string,mixed>> */
    private function sourceStatuses(): array
    {
        if ($this->sourceStatusCache !== null) {
            return $this->sourceStatusCache;
        }

        $schema = Schema::connection($this->connection->getName());
        $dingState = null;
        if ($schema->hasTable(self::TARGET_TABLE) && $schema->hasTable('business_mirror_table_states')) {
            $dingState = $this->connection->table('business_mirror_table_states')
                ->where('dataset_key', self::DATASET_KEY)
                ->first();
        }
        $dingReady = $dingState !== null && $dingState->initial_completed_at !== null;

        $purchaseState = null;
        $orderState = null;
        $requiredPurchaseColumns = [
            'source_order_no', 'supplier_name', 'quantity', 'document_created_at',
        ];
        $purchaseSchemaReady = $schema->hasTable('product_purchase_price_mirror_rows')
            && $schema->hasTable('product_purchase_price_sync_states')
            && $schema->hasTable('ops_jst_orders')
            && $schema->hasColumns('product_purchase_price_mirror_rows', $requiredPurchaseColumns);

        if ($purchaseSchemaReady) {
            $purchaseState = $this->connection->table('product_purchase_price_sync_states')
                ->where('dataset_key', ProductPurchasePriceMirrorRepository::DATASET_KEY)
                ->first();
            $orderState = $schema->hasTable('business_mirror_table_states')
                ? $this->connection->table('business_mirror_table_states')
                    ->where('dataset_key', self::ORDER_DATASET_KEY)
                    ->first()
                : null;
        }

        $purchaseReady = $purchaseState !== null
            && $purchaseState->initial_completed_at !== null
            && (int) ($purchaseState->projection_version ?? 1)
                >= ProductPurchasePriceMirrorRepository::CURRENT_PROJECTION_VERSION
            && $orderState !== null
            && $orderState->initial_completed_at !== null;

        return $this->sourceStatusCache = [
            'ding' => [
                'label' => '钉钉线上代发审批',
                'ready' => $dingReady,
                'status' => $dingState === null ? 'pending' : (string) $dingState->status,
                'last_synced_at' => $dingState?->last_succeeded_at === null
                    ? null
                    : (string) $dingState->last_succeeded_at,
            ],
            'purchase' => [
                'label' => '聚水潭采购单管理',
                'ready' => $purchaseReady,
                'status' => $purchaseReady
                    ? (string) $purchaseState->status
                    : ($purchaseSchemaReady ? 'requires_full_sync' : 'pending'),
                'last_synced_at' => $purchaseState?->last_succeeded_at === null
                    ? null
                    : (string) $purchaseState->last_succeeded_at,
            ],
        ];
    }

    /**
     * 报销成本核查：只针对钉钉行。系统成本 = Σ(实际发货子商品在普通商品资料的成本价 × 发货数量)，
     * 组合装按聚水潭订单里由本行商品编码拆出的子商品计算；代发订单金额 − 系统成本 > 0.01 即判为多报销。
     *
     * @param list<array<string,mixed>> $rows
     */
    private function attachCostAudit(array &$rows): void
    {
        $skus = [];
        foreach ($rows as &$row) {
            $row['system_cost'] = null;
            $row['cost_diff'] = null;
            $row['audit_result'] = '';
            $row['audit_detail'] = '';
            if (($row['source_type'] ?? 'ding') !== 'ding') {
                continue;
            }
            foreach ((array) ($row['ship_sku_items'] ?? []) as $item) {
                $skus[(string) $item['sku_id']] = true;
            }
        }
        unset($row);

        $costs = $this->normalCostPrices(array_keys($skus));
        foreach ($rows as &$row) {
            if (($row['source_type'] ?? 'ding') !== 'ding') {
                continue;
            }
            $items = (array) ($row['ship_sku_items'] ?? []);
            if ($items === []) {
                $row['audit_result'] = self::AUDIT_NO_SHIPMENT;
                continue;
            }
            $cents = 0;
            $missing = [];
            $parts = [];
            foreach ($items as $item) {
                $sku = (string) $item['sku_id'];
                $qty = (float) $item['qty'];
                if (! isset($costs[$sku])) {
                    $missing[] = $sku;
                    $parts[] = $sku . '×' . $this->formatQty($qty) . ' 成本价缺失';
                    continue;
                }
                $line = (int) round($costs[$sku] * 100 * $qty);
                $cents += $line;
                $parts[] = sprintf('%s×%s×%s=%s', $sku, $this->formatQty($qty), rtrim(rtrim(number_format($costs[$sku], 4, '.', ''), '0'), '.'), number_format($line / 100, 2, '.', ''));
            }
            $row['system_cost'] = round($cents / 100, 2);
            $row['audit_detail'] = implode("\n", $parts);
            if ($missing !== []) {
                $row['audit_result'] = self::AUDIT_COST_MISSING;
                continue;
            }
            if ($row['daifa_amount'] === null) {
                continue;
            }
            $row['cost_diff'] = round((float) $row['daifa_amount'] - $row['system_cost'], 2);
            $row['audit_result'] = $row['cost_diff'] > self::AUDIT_TOLERANCE ? self::AUDIT_OVER : self::AUDIT_OK;
        }
        unset($row);
    }

    /**
     * 普通商品资料成本价（ops_jst_sku，sku_type=normal，同编码取最新一条；空或 0 视为缺失）。
     *
     * @param list<string> $skus
     * @return array<string,float>
     */
    private function normalCostPrices(array $skus): array
    {
        $skus = array_values(array_filter($skus, static fn (string $sku): bool => $sku !== ''));
        if ($skus === [] || ! Schema::connection($this->connection->getName())->hasTable('ops_jst_sku')) {
            return [];
        }
        $costs = [];
        foreach (array_chunk($skus, self::JST_LOOKUP_CHUNK) as $chunk) {
            $records = $this->connection->table('ops_jst_sku')
                ->whereIn('sku_id', $chunk)
                ->where('sku_type', 'normal')
                ->orderByDesc('autoid')
                ->get(['sku_id', 'cost_price']);
            foreach ($records as $record) {
                $sku = (string) $record->sku_id;
                if (! isset($costs[$sku]) && is_numeric($record->cost_price) && (float) $record->cost_price > 0) {
                    $costs[$sku] = (float) $record->cost_price;
                }
            }
        }

        return $costs;
    }

    /**
     * 当前筛选条件下全部钉钉行的核查结果索引（按页面顺序的行键），供“核查结果”筛选、汇总和导出使用。
     * 按筛选条件 + 镜像同步时间缓存 10 分钟。
     *
     * @return array{keys:array<string,list<string>>,counts:array<string,int>,over_amount:float}
     */
    private function auditIndex(array $filters): array
    {
        $base = $filters;
        unset($base['audit']);
        $synced = (string) ($this->sourceStatuses()['ding']['last_synced_at'] ?? '');
        $key = 'online-daifa:audit-index:v1:' . sha1(json_encode($base) . '|' . $synced);
        $cached = Cache::get($key);
        if (is_array($cached)) {
            return $cached;
        }

        $index = ['keys' => array_fill_keys(self::AUDIT_RESULTS, []), 'counts' => array_fill_keys(self::AUDIT_RESULTS, 0), 'over_amount' => 0.0];
        $buffer = [];
        $flush = function () use (&$buffer, &$index): void {
            if ($buffer === []) {
                return;
            }
            $this->attachJstOrderDetails($buffer);
            $this->attachCostAudit($buffer);
            foreach ($buffer as $row) {
                $result = (string) $row['audit_result'];
                if ($result === '') {
                    continue;
                }
                $index['keys'][$result][] = $row['process_instance_id'] . '|' . $row['detail_index'];
                $index['counts'][$result]++;
                if ($result === self::AUDIT_OVER) {
                    $index['over_amount'] += (float) $row['cost_diff'];
                }
            }
            $buffer = [];
        };
        // 只核查钉钉行：直接查钉钉镜像，不再经过与采购单整表合并的派生表。
        $ding = (bool) ($this->sourceStatuses()['ding']['ready'] ?? false) ? $this->dingFiltered($base) : null;
        $rows = $ding === null ? [] : $ding
            ->orderByDesc('d.workflow_created_at')
            ->orderByDesc('d.process_instance_id')
            ->orderByDesc('d.detail_index')
            ->get(['d.process_instance_id', 'd.detail_index', 'd.shop_trade_no', 'd.material_no', 'd.daifa_amount']);
        foreach ($rows as $row) {
            $buffer[] = [
                'source_type' => 'ding',
                'process_instance_id' => (string) $row->process_instance_id,
                'detail_index' => (int) $row->detail_index,
                'shop_trade_no' => (string) ($row->shop_trade_no ?? ''),
                'material_no' => (string) ($row->material_no ?? ''),
                'daifa_amount' => $row->daifa_amount === null ? null : (float) $row->daifa_amount,
            ];
            if (count($buffer) >= self::AUDIT_HYDRATE_BATCH) {
                $flush();
            }
        }
        $flush();
        $index['over_amount'] = round($index['over_amount'], 2);

        try {
            Cache::put($key, $index, self::AUDIT_CACHE_SECONDS);
        } catch (\Throwable $exception) {
            report($exception);
        }

        return $index;
    }

    /**
     * 按“流程ID|明细序号”取回行，保持传入顺序。
     *
     * @param list<string> $keys
     * @return list<object>
     */
    private function rowsForKeys(array $keys, array $filters): array
    {
        if ($keys === []) {
            return [];
        }
        // 键来自当前筛选条件下的核查索引，按流程ID直接回钉钉镜像取完整行即可。
        $ids = array_values(array_unique(array_map(static fn (string $key): string => explode('|', $key, 2)[0], $keys)));
        $rows = [];
        foreach (array_chunk($ids, self::JST_LOOKUP_CHUNK) as $chunk) {
            foreach ($this->dingQuery()->whereIn('d.process_instance_id', $chunk)->get() as $row) {
                $rows[] = $row;
            }
        }
        $byKey = [];
        foreach ($rows as $row) {
            $byKey[$row->process_instance_id . '|' . $row->detail_index] = $row;
        }

        return array_values(array_filter(array_map(static fn (string $key) => $byKey[$key] ?? null, $keys)));
    }

    /** @return array<string,mixed> */
    private function presentRow(object $row): array
    {
        $sourceType = (string) ($row->source_type ?? 'ding');
        $purchase = $sourceType === 'purchase';
        $workflow = $purchase
            ? [
                'businessId' => (string) ($row->purchase_order_id ?? ''),
                'title' => '采购单管理',
                'status' => (string) ($row->status_key ?? ''),
            ]
            : $this->decode((string) ($row->workflow_payload ?? ''), []);
        $productId = (string) ($row->product_id ?? '');
        $resolvedName = $this->cleanName($row->product_name ?? null);
        $product = ! $purchase && $productId !== '' && $resolvedName !== null
            ? ['matched' => true, 'name' => $resolvedName, 'sku_id' => null, 'i_id' => null]
            : ['matched' => false, 'name' => null, 'sku_id' => null, 'i_id' => null];
        $statusKey = $purchase
            ? strtoupper((string) ($row->status_key ?? ''))
            : DingPayableWorkflowStatus::key($workflow);

        return [
            'source_type' => $sourceType,
            'process_instance_id' => (string) $row->process_instance_id,
            'detail_index' => (int) $row->detail_index,
            'purchase_order_id' => $row->purchase_order_id === null ? null : (int) $row->purchase_order_id,
            'source_order_no' => $row->source_order_no === null ? null : (string) $row->source_order_no,
            'product_id' => $productId,
            'daifa_trade_no' => (string) ($row->daifa_trade_no ?? ''),
            'shop_trade_no' => (string) ($row->shop_trade_no ?? ''),
            'shop_name' => (string) ($row->shop_name ?? ''),
            'payee_name' => (string) ($row->payee_name ?? ''),
            'tag' => (string) ($row->tag ?? ''),
            'supplier_name' => (string) ($row->supplier_name ?? ''),
            'material_no' => (string) ($row->material_no ?? ''),
            'ship_qty' => $row->ship_qty === null ? null : (float) $row->ship_qty,
            'paid_amount' => $row->paid_amount === null ? null : (float) $row->paid_amount,
            'daifa_amount' => $row->daifa_amount === null ? null : (float) $row->daifa_amount,
            'price_diff' => $row->price_diff === null ? null : (float) $row->price_diff,
            'workflow' => $workflow,
            'scheme' => $purchase ? [] : $this->decode((string) ($row->scheme_payload ?? ''), []),
            'tasks' => $purchase ? [] : $this->decode((string) ($row->task_payload ?? ''), []),
            'status_key' => $statusKey,
            'status_label' => $purchase
                ? match ($statusKey) {
                    'CONFIRMED' => '已确认',
                    'FINISHED' => '已完成',
                    default => $statusKey,
                }
                : DingPayableWorkflowStatus::label($workflow),
            'matched_product' => $product,
            'order_matched' => ! $purchase
                || ((string) ($row->shop_trade_no ?? '') !== '' && (string) ($row->shop_name ?? '') !== ''),
            'workflow_created_at' => (string) ($row->workflow_created_at ?? ''),
        ];
    }

    private function contains(string $value): string
    {
        return '%' . str_replace(['!', '%', '_'], ['!!', '!%', '!_'], trim($value)) . '%';
    }

    private function cleanName(mixed $value): ?string
    {
        if ($value === null) {
            return null;
        }
        $name = trim((string) $value);

        return $name === '' ? null : $name;
    }

    private function decode(string $json, mixed $fallback): mixed
    {
        if ($json === '') {
            return $fallback;
        }
        $decoded = json_decode($json, true);

        return is_array($decoded) ? $decoded : $fallback;
    }
}