<?php

namespace App\Console\Commands;

use App\Business\ProductMonthlyWeightedAverageReporter;
use Carbon\CarbonImmutable;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\File;

class ReportProductMonthlyWeightedAverage extends Command
{
    protected $signature = 'product:monthly-weighted-average:report
        {month : 报表月份，例如 2026-09}
        {--result-json= : 将结果写入指定 JSON 文件}';

    protected $description = '输出商品月加权平均单价结果简报与差异分类';

    public function handle(ProductMonthlyWeightedAverageReporter $reporter): int
    {
        $month = CarbonImmutable::parse($this->argument('month'))->startOfMonth();
        $report = $reporter->build(
            (string) config('upstream_mirrors.connection', 'business_mirror'),
            $month,
        );

        $path = trim((string) $this->option('result-json'));
        if ($path !== '') {
            File::ensureDirectoryExists(dirname($path));
            File::put(
                $path,
                json_encode(
                    $report,
                    JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT,
                ) . PHP_EOL,
            );
        }

        $this->line($reporter->brief($report));
        if (($report['status'] ?? null) === 'review_required') {
            $this->warn('存在待人工复核差异，完整清单已写入结果 JSON。');
        }

        return ($report['status'] ?? null) === 'missing'
            ? self::FAILURE
            : self::SUCCESS;
    }
}