<?php

namespace App\Business;

use Carbon\CarbonInterface;
use Illuminate\Database\DatabaseManager;
use Modules\EcommerceFinance\Repositories\BusinessInformationMirrorRepository;
use RuntimeException;

class StoreInformationDailyArchive
{
    public const TABLE = 'store_information_daily_archives';

    public function __construct(
        private readonly BusinessInformationMirrorRepository $mirror,
        private readonly UpstreamBusinessInformation $information,
        private readonly DatabaseManager $database,
    ) {}

    /**
     * 保存指定日期的完整店铺基础信息快照；同一天重跑时覆盖当天版本。
     */
    public function capture(CarbonInterface $snapshotDate): int
    {
        if (! $this->mirror->ready('store-information.read')) {
            throw new RuntimeException('店铺基础信息共享镜像尚未完成首次同步。');
        }

        $rows = $this->information->storesWithAccountOwnership(
            $this->mirror->allStores(),
            true,
        );
        if ($rows === []) {
            throw new RuntimeException('店铺基础信息共享镜像没有可存档的数据。');
        }

        $snapshotDateValue = $snapshotDate->format('Y-m-d');
        $capturedAt = now('Asia/Shanghai')->format('Y-m-d H:i:s.u');
        $values = [];
        foreach ($rows as $row) {
            $recordId = trim((string) ($row['id'] ?? ''));
            if ($recordId === '') {
                continue;
            }
            $values[] = [
                'snapshot_date' => $snapshotDateValue,
                'store_record_id' => mb_substr($recordId, 0, 64),
                'erp_store_name' => mb_substr(trim((string) ($row['erp_store_name'] ?? '')), 0, 191),
                'store_name' => $this->nullable($row['store_name'] ?? null, 191),
                'company_name' => $this->nullable($row['company_name'] ?? null, 255),
                'store_manager' => $this->nullable($row['store_manager'] ?? null, 191),
                'department_manager' => $this->nullable($row['department_manager'] ?? null, 191),
                'profit_center' => $this->nullable($row['profit_center'] ?? null, 191),
                'store_status' => $this->nullable($row['store_status'] ?? null, 64),
                'payload' => json_encode(
                    $row,
                    JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR,
                ),
                'captured_at' => $capturedAt,
                'created_at' => $capturedAt,
                'updated_at' => $capturedAt,
            ];
        }

        if ($values === []) {
            throw new RuntimeException('店铺基础信息缺少可用的店铺记录 ID，未写入快照。');
        }

        $connection = $this->database->connection(
            (string) config('upstream_mirrors.connection', 'business_mirror'),
        );
        $connection->transaction(function () use ($connection, $values): void {
            foreach (array_chunk($values, 250) as $chunk) {
                $connection->table(self::TABLE)->upsert(
                    $chunk,
                    ['snapshot_date', 'store_record_id'],
                    [
                        'erp_store_name', 'store_name', 'company_name',
                        'store_manager', 'department_manager', 'profit_center',
                        'store_status', 'payload', 'captured_at', 'updated_at',
                    ],
                );
            }
        });

        return count($values);
    }

    private function nullable(mixed $value, int $limit): ?string
    {
        $text = trim((string) $value);

        return $text === '' ? null : mb_substr($text, 0, $limit);
    }
}