<?php

namespace App\Http\Requests\Purchase;

use Modules\Common\Http\Requests\BaseFormRequest;

/**
 * 采购明细商品行修改 验证（C4；品名/供应商/包规/单位/成本/称重至少一项，
 * 提交后一键同步该商品在本采购单下的全部订货明细）
 */
class PurchaseRowUpdateRequest extends BaseFormRequest
{
    protected $stopOnFirstFailure = true;

    public function rules(): array
    {
        return [
            'product_name' => 'nullable|string|max:100',
            'supplier_id' => 'nullable|integer|exists:supplier,id',
            'product_spec' => 'nullable|string|max:100',
            'unit' => 'nullable|string|max:20',
            'cost_price' => 'nullable|numeric|min:0',
            'weight' => 'nullable|numeric|min:0',
            'sync_product' => 'nullable|boolean',
        ];
    }

    public function messages(): array
    {
        return [
            'product_name.max' => '品名不能超过 100 字',
            'supplier_id.exists' => '供应商不存在',
            'product_spec.max' => '包规不能超过 100 字',
            'unit.max' => '单位不能超过 20 字',
            'cost_price.numeric' => '采购成本必须为数字',
            'cost_price.min' => '采购成本不能小于 0',
            'weight.numeric' => '实际称重必须为数字',
            'weight.min' => '实际称重不能小于 0',
        ];
    }
}