<?php

namespace App\Http\Requests\Internal;

use Illuminate\Foundation\Http\FormRequest;

/**
 * 토큰 교환 요청 검증
 */
class ExchangeTokenRequest 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.
     *
     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        return [
            'user_id' => ['required', 'integer', 'min:1'],
            'tenant_id' => ['required', 'integer', 'min:1'],
            'exp' => ['required', 'integer', 'min:1'],
            'signature' => ['required', 'string', 'size:64'], // SHA256 hex = 64 chars
        ];
    }

    /**
     * Get custom messages for validator errors.
     *
     * @return array<string, string>
     */
    public function messages(): array
    {
        return [
            'user_id.required' => __('validation.required', ['attribute' => 'user_id']),
            'user_id.integer' => __('validation.integer', ['attribute' => 'user_id']),
            'tenant_id.required' => __('validation.required', ['attribute' => 'tenant_id']),
            'tenant_id.integer' => __('validation.integer', ['attribute' => 'tenant_id']),
            'exp.required' => __('validation.required', ['attribute' => 'exp']),
            'exp.integer' => __('validation.integer', ['attribute' => 'exp']),
            'signature.required' => __('validation.required', ['attribute' => 'signature']),
            'signature.size' => __('validation.size.string', ['attribute' => 'signature', 'size' => 64]),
        ];
    }
}
