<?php

namespace App\Models\Documents;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * 문서 양식 테이블 컬럼 모델
 *
 * @property int $id
 * @property int $template_id
 * @property string $label 컬럼 라벨
 * @property string|null $width 컬럼 너비
 * @property string $column_type 컬럼 타입 (text/check/complex/select/measurement)
 * @property string|null $group_name 그룹명
 * @property array|null $sub_labels 하위 라벨 (complex 타입)
 * @property int $sort_order 정렬 순서
 */
class DocumentTemplateColumn extends Model
{
    protected $table = 'document_template_columns';

    protected $fillable = [
        'template_id',
        'label',
        'width',
        'column_type',
        'group_name',
        'sub_labels',
        'sort_order',
    ];

    protected $casts = [
        'sub_labels' => 'array',
        'sort_order' => 'integer',
    ];

    public function template(): BelongsTo
    {
        return $this->belongsTo(DocumentTemplate::class, 'template_id');
    }
}