sam-api/app/Services/BendingItemService.php

<?php

namespace App\Services;

use App\Models\BendingItem;
use Illuminate\Pagination\LengthAwarePaginator;

class BendingItemService extends Service
{
    public function list(array $params): LengthAwarePaginator
    {
        return BendingItem::query()
            ->when($params['item_sep'] ?? null, fn ($q, $v) => $q->where('item_sep', $v))
            ->when($params['item_bending'] ?? null, fn ($q, $v) => $q->where('item_bending', $v))
            ->when($params['material'] ?? null, fn ($q, $v) => $q->where('material', 'like', "%{$v}%"))
            ->when($params['model_UA'] ?? null, fn ($q, $v) => $q->where('model_UA', $v))
            ->when($params['model_name'] ?? null, fn ($q, $v) => $q->where('model_name', $v))
            ->when($params['legacy_bending_num'] ?? $params['legacy_bending_id'] ?? null, fn ($q, $v) => $q->where('legacy_bending_id', (int) $v))
            ->when($params['search'] ?? null, fn ($q, $v) => $q->where(
                fn ($q2) => $q2
                    ->where('item_name', 'like', "%{$v}%")
                    ->orWhere('code', 'like', "%{$v}%")
                    ->orWhere('item_spec', 'like', "%{$v}%")
                    ->orWhere('legacy_code', 'like', "%{$v}%")
            ))
            ->orderByDesc('id')
            ->paginate($params['size'] ?? 50);
    }

    public function filters(): array
    {
        return [
            'item_sep' => BendingItem::whereNotNull('item_sep')->distinct()->pluck('item_sep')->sort()->values(),
            'item_bending' => BendingItem::whereNotNull('item_bending')->distinct()->pluck('item_bending')->sort()->values(),
            'material' => BendingItem::whereNotNull('material')->distinct()->pluck('material')->sort()->values(),
            'model_UA' => BendingItem::whereNotNull('model_UA')->distinct()->pluck('model_UA')->sort()->values(),
            'model_name' => BendingItem::whereNotNull('model_name')->distinct()->pluck('model_name')->sort()->values(),
        ];
    }

    public function find(int $id): BendingItem
    {
        return BendingItem::findOrFail($id);
    }

    public function create(array $data): BendingItem
    {
        $code = $data['code'] ?? '';

        // BD-XX 접두사가 있으면 순번 자동 채번
        if (preg_match('/^BD-([A-Z]{2})$/i', $code, $m)) {
            $code = $this->generateCode($m[1]);
        } elseif (preg_match('/^BD-([A-Z]{2})-\d+$/i', $code)) {
            // BD-XX-nn 완전한 코드 — 그대로 사용 (중복 검증)
            $exists = BendingItem::withoutGlobalScopes()->where('code', $code)->exists();
            if ($exists) {
                $prefix = substr($code, 3, 2);
                $code = $this->generateCode($prefix);
            }
        }

        return BendingItem::create([
            'tenant_id' => $this->tenantId(),
            'code' => $code,
            'legacy_code' => $data['legacy_code'] ?? null,
            'legacy_bending_id' => $data['legacy_bending_id'] ?? null,
            'item_name' => $data['item_name'] ?? $data['name'] ?? '',
            'item_sep' => $data['item_sep'] ?? null,
            'item_bending' => $data['item_bending'] ?? null,
            'material' => $data['material'] ?? null,
            'item_spec' => $data['item_spec'] ?? null,
            'model_name' => $data['model_name'] ?? null,
            'model_UA' => $data['model_UA'] ?? null,
            'rail_width' => $data['rail_width'] ?? null,
            'exit_direction' => $data['exit_direction'] ?? null,
            'box_width' => $data['box_width'] ?? null,
            'box_height' => $data['box_height'] ?? null,
            'front_bottom' => $data['front_bottom'] ?? $data['front_bottom_width'] ?? null,
            'inspection_door' => $data['inspection_door'] ?? null,
            'length_code' => $data['length_code'] ?? null,
            'length_mm' => $data['length_mm'] ?? null,
            'bending_data' => $data['bendingData'] ?? null,
            'options' => $this->buildOptions($data),
            'is_active' => true,
            'created_by' => $this->apiUserId(),
        ]);
    }

    public function update(int $id, array $data): BendingItem
    {
        $item = BendingItem::findOrFail($id);

        // code는 수정 불가 (고유 품목코드)
        $columns = [
            'item_name', 'item_sep', 'item_bending',
            'material', 'item_spec', 'model_name', 'model_UA',
            'rail_width', 'exit_direction', 'box_width', 'box_height',
            'front_bottom', 'inspection_door', 'length_code', 'length_mm',
        ];
        foreach ($columns as $col) {
            if (array_key_exists($col, $data)) {
                $item->{$col} = $data[$col];
            }
        }
        if (array_key_exists('front_bottom_width', $data) && ! array_key_exists('front_bottom', $data)) {
            $item->front_bottom = $data['front_bottom_width'];
        }

        // 전개도 (JSON 직접 저장)
        if (array_key_exists('bendingData', $data)) {
            $item->bending_data = $data['bendingData'];
        }

        // 비정형 속성
        foreach (self::OPTION_KEYS as $key) {
            if (array_key_exists($key, $data)) {
                $item->setOption($key, $data[$key]);
            }
        }

        $item->updated_by = $this->apiUserId();
        $item->save();

        return $item;
    }

    public function delete(int $id): bool
    {
        $item = BendingItem::findOrFail($id);
        $item->deleted_by = $this->apiUserId();
        $item->save();

        return $item->delete();
    }

    private function buildOptions(array $data): ?array
    {
        $options = [];
        foreach (self::OPTION_KEYS as $key) {
            if (isset($data[$key])) {
                $options[$key] = $data[$key];
            }
        }

        return empty($options) ? null : $options;
    }

    private const OPTION_KEYS = [
        'search_keyword', 'registration_date', 'author', 'memo',
        'parent_num', 'modified_by',
    ];

    /**
     * BD-{prefix}-{순번} 코드 자동 채번
     */
    private function generateCode(string $prefix): string
    {
        $prefix = strtoupper($prefix);

        $lastCode = BendingItem::withoutGlobalScopes()
            ->where('code', 'like', "BD-{$prefix}-%")
            ->orderByRaw('CAST(SUBSTRING(code, ?) AS UNSIGNED) DESC', [strlen("BD-{$prefix}-") + 1])
            ->value('code');

        $nextSeq = 1;
        if ($lastCode && preg_match('/BD-[A-Z]{2}-(\d+)$/', $lastCode, $m)) {
            $nextSeq = (int) $m[1] + 1;
        }

        $pad = $nextSeq >= 100 ? 3 : 2;

        return 'BD-'.$prefix.'-'.str_pad($nextSeq, $pad, '0', STR_PAD_LEFT);
    }

    /**
     * 사용 가능한 분류코드 접두사 목록
     */
    public function prefixes(): array
    {
        return BendingItem::withoutGlobalScopes()
            ->where('code', 'like', 'BD-%')
            ->selectRaw('SUBSTRING(code, 4, 2) as prefix, COUNT(*) as cnt')
            ->groupBy('prefix')
            ->orderBy('prefix')
            ->pluck('cnt', 'prefix')
            ->toArray();
    }

    /** 분류코드 접두사 정의 */
    public const PREFIX_LABELS = [
        'RS' => '가이드레일 SUS마감재', 'RM' => '가이드레일 본체/보강', 'RC' => '가이드레일 C형',
        'RD' => '가이드레일 D형', 'RE' => '가이드레일 측면마감', 'RT' => '가이드레일 절단판',
        'RH' => '가이드레일 뒷보강', 'RN' => '가이드레일 비인정',
        'CP' => '케이스 밑면판/점검구', 'CF' => '케이스 전면판', 'CB' => '케이스 후면코너/후면부',
        'CL' => '케이스 린텔', 'CX' => '케이스 상부덮개',
        'BS' => '하단마감재 SUS', 'BE' => '하단마감재 EGI', 'BH' => '하단마감재 보강평철',
        'TS' => '철재 하단마감재 SUS', 'TE' => '철재 하단마감재 EGI',
        'XE' => '마구리', 'LE' => 'L-BAR',
        'ZP' => '특수 밑면/점검구', 'ZF' => '특수 전면판', 'ZB' => '특수 후면',
    ];
}