<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Modules\EcommerceFinance\Services\StoreReceiptDefaultCompensationSnapshotBuilder;
use Throwable;

class PreviewStoreReceiptDefaultCompensation extends Command
{
    protected $signature = 'store-receipt:default-compensation:preview
        {month : 账期 YYYY-MM}
        {mapping : 最新科目映射表 xlsx 路径}
        {--output= : 输出 JSON 路径；默认写入 storage/app/local/performance-details/default-compensation}';

    protected $description = '人工核对：按指定科目映射表生成「违约赔付（冲减收入）」金额快照，不写数据库';

    public function handle(StoreReceiptDefaultCompensationSnapshotBuilder $builder): int
    {
        $startedAt = hrtime(true);
        $month = trim((string) $this->argument('month'));
        $mapping = (string) $this->argument('mapping');

        try {
            $snapshot = $builder->build($month, $mapping);
            $path = (string) ($this->option('output') ?: storage_path(
                'app/local/performance-details/default-compensation/' . $month . '.json'
            ));
            $directory = dirname($path);
            if (! is_dir($directory) && ! mkdir($directory, 0775, true) && ! is_dir($directory)) {
                throw new \RuntimeException('无法创建快照目录：' . $directory);
            }
            $temporary = $path . '.tmp';
            $json = json_encode($snapshot, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
            if ($json === false || file_put_contents($temporary, $json, LOCK_EX) === false) {
                throw new \RuntimeException('无法写入本地快照。');
            }
            rename($temporary, $path);

            $this->info('本地预览快照已生成：' . $path);
            $this->line('映射条数：' . $snapshot['mapping_rows']);
            $this->line('关联行数：' . count($snapshot['amounts']));
            $this->line('金额合计：' . number_format((float) $snapshot['total'], 2, '.', ''));
            $this->line('耗时：' . number_format((hrtime(true) - $startedAt) / 1e6, 0) . ' ms');
            $this->line('PHP 峰值内存：' . number_format(memory_get_peak_usage(true) / 1024 / 1024, 1) . ' MB');
            foreach ($snapshot['source_stats'] as $platform => $stats) {
                $this->line(sprintf(
                    '  %s：账单行 %d，金额 %s',
                    $platform,
                    $stats['rows'],
                    number_format((float) $stats['amount'], 2, '.', ''),
                ));
            }

            return self::SUCCESS;
        } catch (Throwable $exception) {
            $this->error($exception->getMessage());

            return self::FAILURE;
        }
    }
}