<?php

namespace App\Console\Commands;

use Illuminate\Console\Attributes\AsCommand;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

/**
 * chandj.guiderail → SAM items (item_category=GUIDERAIL_MODEL) 임포트
 */
#[AsCommand(name: 'guiderail:import-legacy', description: 'chandj 가이드레일 모델 → SAM items 임포트')]
class GuiderailImportLegacy extends Command
{
    protected $signature = 'guiderail:import-legacy
                            {--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('=== chandj guiderail → SAM 임포트 ===');
        $this->info('Mode: '.($dryRun ? 'DRY-RUN' : 'LIVE'));

        $rows = DB::connection('chandj')->table('guiderail')->whereNull('is_deleted')->get();
        $this->info("chandj guiderail: {$rows->count()}건");

        $created = 0;
        $skipped = 0;

        foreach ($rows as $row) {
            $finish = str_contains($row->finishing_type ?? '', 'SUS') ? 'SUS' : 'EGI';
            $code = 'GR-'.($row->model_name ?? 'UNKNOWN').'-'.($row->check_type ?? '').'-'.$finish;
            $name = implode(' ', array_filter([$row->model_name, $row->check_type, $row->finishing_type]));

            // 중복 확인
            $existing = DB::table('items')
                ->where('tenant_id', $tenantId)
                ->where('code', $code)
                ->whereNull('deleted_at')
                ->first();

            if ($existing) {
                $skipped++;
                continue;
            }

            // components 변환
            $legacyComps = json_decode($row->bending_components ?? '[]', true) ?: [];
            $components = array_map(fn ($c) => $this->convertComponent($c), $legacyComps);

            $materialSummary = json_decode($row->material_summary ?? '{}', true) ?: [];

            $options = [
                'model_name' => $row->model_name,
                'check_type' => $row->check_type,
                'rail_width' => (int) $row->rail_width,
                'rail_length' => (int) $row->rail_length,
                'finishing_type' => $row->finishing_type,
                'item_sep' => $row->firstitem,
                'model_UA' => $row->model_UA,
                'search_keyword' => $row->search_keyword,
                'author' => $row->author,
                'registration_date' => $row->registration_date,
                'memo' => $row->remark,
                'components' => $components,
                'material_summary' => $materialSummary,
                'source' => 'chandj_guiderail',
                'legacy_guiderail_num' => $row->num,
            ];

            if (! $dryRun) {
                DB::table('items')->insert([
                    'tenant_id' => $tenantId,
                    'code' => $code,
                    'name' => $name,
                    'item_type' => 'FG',
                    'item_category' => 'GUIDERAIL_MODEL',
                    'unit' => 'SET',
                    'options' => json_encode($options, JSON_UNESCAPED_UNICODE),
                    'is_active' => true,
                    'created_at' => now(),
                    'updated_at' => now(),
                ]);
            }

            $created++;
            $this->line("  ✅ {$code} ({$name}) — {$row->firstitem}/{$row->model_UA} — 부품 ".count($components).'개');
        }

        $this->newLine();
        $this->info("생성: {$created}건 | 스킵(중복): {$skipped}건");

        if ($dryRun) {
            $this->info('🔍 DRY-RUN 완료.');
        }

        return self::SUCCESS;
    }

    private function convertComponent(array $c): array
    {
        $inputs = $c['inputList'] ?? [];
        $rates = $c['bendingrateList'] ?? [];
        $sums = $c['sumList'] ?? [];
        $colors = $c['colorList'] ?? [];
        $angles = $c['AList'] ?? [];

        // bendingData 형식으로 변환
        $bendingData = [];
        for ($i = 0; $i < count($inputs); $i++) {
            $bendingData[] = [
                'no' => $i + 1,
                'input' => (float) ($inputs[$i] ?? 0),
                'rate' => (string) ($rates[$i] ?? ''),
                'sum' => (float) ($sums[$i] ?? 0),
                'color' => (bool) ($colors[$i] ?? false),
                'aAngle' => (bool) ($angles[$i] ?? false),
            ];
        }

        $lastSum = ! empty($sums) ? (float) end($sums) : 0;

        return [
            'orderNumber' => $c['orderNumber'] ?? null,
            'itemName' => $c['itemName'] ?? '',
            'material' => $c['material'] ?? '',
            'quantity' => (int) ($c['quantity'] ?? 1),
            'width_sum' => $lastSum,
            'bendingData' => $bendingData,
            'legacy_bending_num' => $c['num'] ?? null,
        ];
    }
}