<?php

namespace App\Http\Controllers\Business;

use Illuminate\Routing\Controller;
use Modules\EcommerceFinance\View\SupplierBookkeepingPageData;

class SupplierBookkeeping extends Controller
{
    public function export(SupplierBookkeepingPageData $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, array_values($columns));
            foreach ($data->rows($filters) as $row) {
                $values = [];
                foreach (array_keys($columns) as $key) {
                    $values[] = $row[$key] ?? '';
                }
                fputcsv($file, array_map(static function (mixed $value): string {
                    $value = (string) $value;

                    // 长数字单号保留文本，避免 Excel 截断；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, '聚工单镜像未就绪或读取失败，未生成不完整的厂家记账，请稍后重试。');
        }

        return response()->streamDownload(static function () use ($file): void {
            fpassthru($file);
            fclose($file);
        }, SupplierBookkeepingPageData::TITLE . '-' . now()->format('YmdHis') . '.csv', ['Content-Type' => 'text/csv; charset=UTF-8']);
    }
}