<?php

namespace App\Http\Requests\Order;

use App\Models\Orders\Order;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

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

    public function rules(): array
    {
        return [
            // 기본 정보 (order_no는 수정 불가)
            'order_type_code' => ['nullable', Rule::in([Order::TYPE_ORDER, Order::TYPE_PURCHASE])],
            'category_code' => 'nullable|string|max:50',

            // 거래처 정보
            'client_id' => 'nullable|integer|exists:clients,id',
            'client_name' => 'nullable|string|max:200',
            'client_contact' => 'nullable|string|max:100',
            'site_name' => 'nullable|string|max:200',

            // 금액 정보
            'supply_amount' => 'nullable|numeric|min:0',
            'tax_amount' => 'nullable|numeric|min:0',
            'total_amount' => 'nullable|numeric|min:0',
            'discount_rate' => 'nullable|numeric|min:0|max:100',
            'discount_amount' => 'nullable|numeric|min:0',

            // 배송/기타
            'delivery_date' => 'nullable|date',
            'delivery_method_code' => 'nullable|string|max:50',
            'received_at' => 'nullable|date',
            'memo' => 'nullable|string',
            'remarks' => 'nullable|string',
            'note' => 'nullable|string',

            // 품목 배열 (전체 교체)
            'items' => 'nullable|array',
            'items.*.item_id' => 'nullable|integer|exists:items,id',
            'items.*.item_name' => 'required|string|max:200',
            'items.*.specification' => 'nullable|string|max:500',
            'items.*.quantity' => 'required|numeric|min:0',
            'items.*.unit' => 'nullable|string|max:20',
            'items.*.unit_price' => 'required|numeric|min:0',
            'items.*.supply_amount' => 'nullable|numeric|min:0',
            'items.*.tax_amount' => 'nullable|numeric|min:0',
            'items.*.total_amount' => 'nullable|numeric|min:0',
        ];
    }

    public function messages(): array
    {
        return [
            'items.*.item_name.required' => __('validation.required', ['attribute' => '품목명']),
            'items.*.quantity.required' => __('validation.required', ['attribute' => '수량']),
            'items.*.unit_price.required' => __('validation.required', ['attribute' => '단가']),
        ];
    }
}