feat: some fixes to the ui, imlemented user and guest user, ans used the dahboard

app/Http/Requests/JoinRoomRequest.php

@@ -7,6 +7,7 @@ use App\Models\Room;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rule;
+use Illuminate\Validation\Validator;
 
 class JoinRoomRequest extends FormRequest
 {
@@ -37,9 +38,54 @@ class JoinRoomRequest extends FormRequest
             ->where('join_code', $this->input('join_code'))
             ->value('id');
 
+        $existingPlayerId = null;
+
+        if ($roomId !== null && $this->user() !== null) {
+            $existingPlayerId = Player::query()
+                ->where('room_id', $roomId)
+                ->where('user_id', $this->user()->id)
+                ->value('id');
+        } elseif ($roomId !== null) {
+            $sessionPlayerId = $this->session()->get("room_players.{$roomId}");
+            $existingPlayerId = is_numeric($sessionPlayerId)
+                ? Player::query()
+                    ->where('room_id', $roomId)
+                    ->whereKey((int) $sessionPlayerId)
+                    ->value('id')
+                : null;
+        }
+
+        $playerNameRules = ['required', 'string', 'max:50'];
+
+        if ($existingPlayerId === null) {
+            $playerNameRules[] = Rule::unique(Player::class, 'name')->where('room_id', $roomId);
+        }
+
         return [
-            'join_code' => ['bail', 'string', 'required', 'size:6', Rule::exists(Room::class, 'join_code')],
-            'player_name' => ['required', 'string', 'max:50', Rule::unique(Player::class, 'name')->where('room_id', $roomId)],
+            'join_code' => [
+                'bail',
+                'string',
+                'required',
+                'size:6',
+                Rule::exists(Room::class, 'join_code')->whereNull('deleted_at'),
+            ],
+            'player_name' => $playerNameRules,
+        ];
+    }
+
+    /** @return array<callable(Validator): void> */
+    public function after(): array
+    {
+        return [
+            function (Validator $validator): void {
+                $room = Room::query()
+                    ->where('join_code', $this->input('join_code'))
+                    ->first();
+
+                if ($room?->isClosed()) {
+                    $validator->errors()->add('join_code', 'Dieser Raum ist geschlossen.');
+                }
+            },
         ];
     }