<?php

namespace App\Http\Requests\Document;

use App\Models\Documents\DocumentAttachment;
use Illuminate\Foundation\Http\FormRequest;

class UpsertRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        $attachmentTypes = implode(',', DocumentAttachment::TYPES);

        return [
            // 필수: 템플릿 + 품목
            'template_id' => 'required|integer|exists:document_templates,id',
            'item_id' => 'required|integer',
            'title' => 'nullable|string|max:255',

            // 문서 데이터 (EAV)
            'data' => 'nullable|array',
            'data.*.section_id' => 'nullable|integer',
            'data.*.column_id' => 'nullable|integer',
            'data.*.row_index' => 'nullable|integer|min:0',
            'data.*.field_key' => 'required_with:data|string|max:100',
            'data.*.field_value' => 'nullable|string',

            // 첨부파일
            'attachments' => 'nullable|array',
            'attachments.*.file_id' => 'required_with:attachments|integer|exists:files,id',
            'attachments.*.attachment_type' => "nullable|string|in:{$attachmentTypes}",
            'attachments.*.description' => 'nullable|string|max:255',
        ];
    }

    public function messages(): array
    {
        return [
            'template_id.required' => __('validation.required', ['attribute' => '템플릿']),
            'template_id.exists' => __('validation.exists', ['attribute' => '템플릿']),
            'item_id.required' => __('validation.required', ['attribute' => '품목 ID']),
            'data.*.field_key.required_with' => __('validation.required', ['attribute' => '필드 키']),
            'attachments.*.file_id.exists' => __('validation.exists', ['attribute' => '파일']),
        ];
    }
}
