<?php

namespace App\Console\Commands;

use App\Models\Quote\Quote;
use Illuminate\Console\Command;

class BackfillQuoteProductCodeCommand extends Command
{
    protected $signature = 'data:backfill-quote-product-code {--dry-run : 실제 저장하지 않고 결과만 출력}';

    protected $description = 'quotes.product_code가 비어있는 레코드에 calculation_inputs.items[0].productCode 값 보정';

    public function handle(): int
    {
        $dryRun = $this->option('dry-run');

        $quotes = Quote::whereNull('product_code')
            ->whereNotNull('calculation_inputs')
            ->get();

        $this->info("대상: {$quotes->count()}건".($dryRun ? ' (dry-run)' : ''));

        $updated = 0;
        $skipped = 0;

        foreach ($quotes as $quote) {
            $inputs = $quote->calculation_inputs;
            if (! is_array($inputs)) {
                $inputs = json_decode($inputs, true);
            }

            $productCode = $inputs['items'][0]['productCode'] ?? null;

            if (! $productCode) {
                $skipped++;
                $this->line("  SKIP #{$quote->id} ({$quote->quote_number}) — productCode 없음");

                continue;
            }

            if (! $dryRun) {
                $quote->update(['product_code' => $productCode]);
            }

            $updated++;
            $this->line('  '.($dryRun ? 'WOULD ' : '')."UPDATE #{$quote->id} ({$quote->quote_number}) → {$productCode}");
        }

        $this->info("완료: 보정 {$updated}건, 스킵 {$skipped}건");

        return self::SUCCESS;
    }
}