<?php

namespace App\Console\Commands;

use App\Models\Items\Item;
use Illuminate\Console\Attributes\AsCommand;
use Illuminate\Console\Command;

/**
 * 모델(GUIDERAIL/SHUTTERBOX/BOTTOMBAR) components에 sam_item_id 일괄 채우기
 * legacy_bending_num → SAM BENDING item ID 매핑
 */
#[AsCommand(name: 'bending:fill-sam-item-ids', description: '모델 components의 sam_item_id 일괄 매핑')]
class BendingFillSamItemIds extends Command
{
    protected $signature = 'bending:fill-sam-item-ids
                            {--tenant_id=287 : Target tenant ID}
                            {--dry-run : 실제 저장 없이 미리보기}';

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

        $this->info('=== sam_item_id 일괄 매핑 ===');
        $this->info('Mode: ' . ($dryRun ? 'DRY-RUN' : 'LIVE'));

        // 1. legacy_bending_num → SAM item ID 매핑 테이블 구축
        $bendingItems = Item::withoutGlobalScopes()
            ->where('tenant_id', $tenantId)
            ->where('item_category', 'BENDING')
            ->whereNull('deleted_at')
            ->get();

        $legacyMap = [];
        foreach ($bendingItems as $item) {
            $legacyNum = $item->getOption('legacy_bending_num');
            if ($legacyNum !== null) {
                $legacyMap[(string) $legacyNum] = $item->id;
            }
        }
        $this->info("BENDING items: {$bendingItems->count()}건, legacy_bending_num 매핑: " . count($legacyMap) . '건');

        // 2. 모델 items의 components 순회
        $models = Item::withoutGlobalScopes()
            ->where('tenant_id', $tenantId)
            ->whereIn('item_category', ['GUIDERAIL_MODEL', 'SHUTTERBOX_MODEL', 'BOTTOMBAR_MODEL'])
            ->whereNull('deleted_at')
            ->get();

        $this->info("모델: {$models->count()}건");

        $updated = 0;
        $mapped = 0;
        $notFound = 0;

        foreach ($models as $model) {
            $components = $model->getOption('components', []);
            if (empty($components)) {
                continue;
            }

            $changed = false;
            foreach ($components as &$comp) {
                // 이미 sam_item_id가 있으면 스킵
                if (! empty($comp['sam_item_id'])) {
                    continue;
                }

                $legacyNum = $comp['legacy_bending_num'] ?? null;
                if ($legacyNum === null) {
                    continue;
                }

                $samId = $legacyMap[(string) $legacyNum] ?? null;
                if ($samId) {
                    $comp['sam_item_id'] = $samId;
                    $changed = true;
                    $mapped++;
                } else {
                    $notFound++;
                    $this->warn("  [{$model->id}] legacy_bending_num={$legacyNum} → SAM ID 없음 ({$comp['itemName']})");
                }
            }
            unset($comp);

            if ($changed && ! $dryRun) {
                $model->setOption('components', $components);
                $model->save();
                $updated++;
            } elseif ($changed) {
                $updated++;
            }
        }

        $this->info('');
        $this->info("결과: 모델 {$updated}건 업데이트, 컴포넌트 {$mapped}건 매핑, {$notFound}건 미매핑");

        return self::SUCCESS;
    }
}