hoshpoint-backend/app/Http/Requests/Api/GenerateTemplateRequest.php

<?php

namespace App\Http\Requests\Api;

use App\Enums\TemplateKeyType;
use App\Models\Template;
use Illuminate\Foundation\Http\FormRequest;

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

    /**
     * @return array<string, mixed>
     */
    public function rules(): array
    {
        /** @var Template $template */
        $template = $this->route('template');

        $rules = [];

        foreach ($template->keys as $key) {
            $fieldRules = [$key->is_required ? 'required' : 'nullable'];

            $fieldRules[] = match ($key->type) {
                TemplateKeyType::Text => 'string',
                TemplateKeyType::Image => 'file|image',
                TemplateKeyType::Chart => 'prohibited',
            };

            $rules['values.'.$key->key] = $fieldRules;
        }

        return $rules;
    }

    /**
     * @return array<string, string>
     */
    public function messages(): array
    {
        return [
            '*.prohibited' => 'کلید :attribute از نوع چارت است و فعلاً پشتیبانی نمی‌شود.',
        ];
    }
}