a bit of progress

app/Http/Requests/Game/TrainRequest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Requests\Game;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class TrainRequest 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 [
+            'stat' => ['required', 'string', 'in:strength,defense,speed,dexterity'],
+        ];
+    }
+
+    /**
+     * Get custom messages for validator errors.
+     *
+     * @return array<string, string>
+     */
+    public function messages(): array
+    {
+        return [
+            'stat.required' => 'You must select a stat to train.',
+            'stat.string' => 'The stat must be a string.',
+            'stat.in' => 'The selected stat is invalid. Valid stats are: strength, defense, speed, dexterity.',
+        ];
+    }
+}