<?php

namespace App\Http\Requests\Mini;

use Modules\Common\Http\Requests\BaseFormRequest;

/**
 * 小程序下单 验证（金额一律服务端重算，前端不传金额字段）
 */
class MiniOrderRequest extends BaseFormRequest
{
    protected $stopOnFirstFailure = true;

    public function rules(): array
    {
        return [
            'items' => 'required|array|min:1',
            'items.*.product_id' => 'required|integer|exists:product,id',
            'items.*.quantity' => 'required|numeric|min:0.01',
            'remark' => 'nullable|string|max:255',
        ];
    }

    public function messages(): array
    {
        return [
            'items.required' => '请至少选择一件商品',
            'items.min' => '请至少选择一件商品',
            'items.*.product_id.required' => '下单商品不能为空',
            'items.*.product_id.exists' => '商品不存在',
            'items.*.quantity.required' => '订货数量不能为空',
            'items.*.quantity.numeric' => '订货数量必须为数字',
            'items.*.quantity.min' => '订货数量必须大于 0',
            'remark.max' => '订单备注最长 255 个字符',
        ];
    }
}