sam-api/app/Http/Requests/Pricing/PriceUpdateRequest.php

<?php

namespace App\Http\Requests\Pricing;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

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

    public function rules(): array
    {
        return [
            // 품목 연결 (선택)
            'item_type_code' => [
                'sometimes',
                'string',
                Rule::exists('common_codes', 'code')->where('code_group', 'item_type'),
            ],
            'item_id' => 'sometimes|integer',
            'client_group_id' => 'nullable|integer',

            // 원가 정보
            'purchase_price' => 'nullable|numeric|min:0',
            'processing_cost' => 'nullable|numeric|min:0',
            'loss_rate' => 'nullable|numeric|min:0|max:100',

            // 판매가 정보
            'margin_rate' => 'nullable|numeric|min:0',  // max 제한 제거 (100% 초과 마진 허용)
            'sales_price' => 'nullable|numeric|min:0',
            'rounding_rule' => ['nullable', Rule::in(['round', 'ceil', 'floor'])],
            'rounding_unit' => ['nullable', Rule::in([1, 10, 100, 1000])],

            // 메타 정보
            'supplier' => 'nullable|string|max:255',
            'effective_from' => 'sometimes|date',
            'effective_to' => 'nullable|date|after_or_equal:effective_from',
            'note' => 'nullable|string|max:1000',

            // 상태
            'status' => ['nullable', Rule::in(['draft', 'active', 'inactive'])],

            // 변경 사유 (리비전 기록용)
            'change_reason' => 'nullable|string|max:500',
        ];
    }

    public function messages(): array
    {
        return [
            'effective_to.after_or_equal' => __('error.pricing.effective_to_must_be_after_from'),
        ];
    }
}