<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class BomResolveRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     */
    public function rules(): array
    {
        return [
            'model_id' => 'required|integer|exists:models,id',
            'parameters' => 'required|array',
            'parameters.*' => 'required',
            'preview_only' => 'boolean',
            'use_cache' => 'boolean',
        ];
    }

    /**
     * Get custom messages for validator errors.
     */
    public function messages(): array
    {
        return [
            'model_id.required' => __('error.model_id_required'),
            'model_id.exists' => __('error.model_not_found'),
            'parameters.required' => __('error.parameters_required'),
            'parameters.array' => __('error.parameters_must_be_array'),
        ];
    }

    /**
     * Configure the validator instance.
     */
    public function withValidator($validator): void
    {
        $validator->after(function ($validator) {
            $this->validateParameters($validator);
        });
    }

    /**
     * 매개변수 검증
     */
    private function validateParameters($validator): void
    {
        if (!$this->input('model_id') || !$this->input('parameters')) {
            return;
        }

        try {
            $parameterService = new \App\Services\ModelParameterService();
            $errors = $parameterService->validateParameterValues(
                $this->input('model_id'),
                $this->input('parameters')
            );

            if (!empty($errors)) {
                foreach ($errors as $paramName => $paramErrors) {
                    foreach ($paramErrors as $error) {
                        $validator->errors()->add("parameters.{$paramName}", $error);
                    }
                }
            }
        } catch (\Throwable $e) {
            $validator->errors()->add('parameters', __('error.parameter_validation_failed'));
        }
    }
}