<?php

namespace App\Http\Resources\Api\V1;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class BendingItemResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        return [
            'id' => $this->id,
            'code' => $this->code,
            'legacy_code' => $this->legacy_code,
            // 정규 컬럼 직접 참조
            'item_name' => $this->item_name,
            'item_sep' => $this->item_sep,
            'item_bending' => $this->item_bending,
            'item_spec' => $this->item_spec,
            'material' => $this->material,
            'model_name' => $this->model_name,
            'model_UA' => $this->model_UA,
            'rail_width' => $this->rail_width ? (int) $this->rail_width : null,
            // 케이스 전용
            'exit_direction' => $this->exit_direction,
            'front_bottom' => $this->front_bottom ? (int) $this->front_bottom : null,
            'box_width' => $this->box_width ? (int) $this->box_width : null,
            'box_height' => $this->box_height ? (int) $this->box_height : null,
            'inspection_door' => $this->inspection_door,
            // 원자재 길이
            'length_code' => $this->length_code,
            'length_mm' => $this->length_mm,
            // 전개도 (JSON 컬럼)
            'bendingData' => $this->bending_data,
            // 비정형 속성 (options)
            'search_keyword' => $this->getOption('search_keyword'),
            'author' => $this->getOption('author'),
            'memo' => $this->getOption('memo'),
            'registration_date' => $this->getOption('registration_date'),
            // 이미지
            'image_file_id' => $this->getImageFileId(),
            // 추적
            'legacy_bending_id' => $this->legacy_bending_id,
            'legacy_bending_num' => $this->legacy_bending_id, // MNG2 호환
            'modified_by' => $this->getOption('modified_by'),
            // MNG2 호환 (items 기반 필드명)
            'name' => $this->item_name,
            'front_bottom_width' => $this->front_bottom ? (int) $this->front_bottom : null,
            'item_type' => 'PT',
            'item_category' => 'BENDING',
            'unit' => 'EA',
            // 계산값
            'width_sum' => $this->width_sum,
            'bend_count' => $this->bend_count,
            // 메타
            'is_active' => $this->is_active,
            'created_at' => $this->created_at?->format('Y-m-d H:i:s'),
            'updated_at' => $this->updated_at?->format('Y-m-d H:i:s'),
        ];
    }

    private function getImageFileId(): ?int
    {
        $file = $this->files()
            ->where('field_key', 'bending_diagram')
            ->orderByDesc('id')
            ->first();

        return $file?->id;
    }
}