<?php

namespace App\Http\Controllers\Business;

use Illuminate\Routing\Controller;
use Modules\EcommerceFinance\Services\SupplierAccessoryFreightMatcher;
use Modules\EcommerceFinance\View\SupplierAccessoryFreightPageData;

class SupplierAccessoryFreight extends Controller
{
    public function export(SupplierAccessoryFreightPageData $data)
    {
        $filters = $data->filters();
        $columns = $data->exportColumns();
        $file = tmpfile();
        abort_if($file === false, 500, '无法创建导出文件。');
        try {
            fwrite($file, "\xEF\xBB\xBF");
            fputcsv($file, ['业务月份', '发货记录ID', '仓库', ...array_values($columns)]);
            foreach ($data->rows($filters) as $row) {
                if ($filters['state'] !== 'all' && $filters['state'] !== $row['state']) continue;
                $cells = array_merge($row, ['courier' => ($row['express_name1'] ?? '') ?: ($row['express_name2'] ?? ''),
                    'freight' => $row['freight_cents'] === null ? '待核实' : number_format($row['freight_cents'] / 100, 2, '.', ''),
                    'state' => SupplierAccessoryFreightMatcher::STATES[$row['state']], 'deduction' => number_format($row['deduction_cents'] / 100, 2, '.', '')]);
                $values = [$filters['month'], $row['source_id'], \Modules\EcommerceFinance\Services\AccessoryReshipMatcher::WAREHOUSE];
                foreach ($columns as $key => $label) $values[] = $cells[$key];
                fputcsv($file, array_map(static function ($value) {
                    $value = (string) $value;
                    // 纯数字标识保留文本，防止 Excel 截断长单号；同时阻止公式执行。
                    return preg_match('/^[=+\-@\t\r\n]|^\d{12,}$/u', $value) ? "'" . $value : $value;
                }, $values));
            }
            rewind($file);
        } catch (\Throwable $exception) {
            fclose($file);
            report($exception);
            abort(503, '资料读取失败，未生成不完整的扣款明细，请稍后重试。');
        }
        return response()->streamDownload(function () use ($file) { fpassthru($file); fclose($file); }, SupplierAccessoryFreightPageData::TITLE . '-' . $filters['month'] . '.csv', ['Content-Type' => 'text/csv; charset=UTF-8']);
    }
}