feat: started implementing the czar selection

backend/network/connection.go

@@ -289,6 +289,22 @@ func (c *WsConnection) listenAndHandle() error {
 				}
 				return nil
 			},
+			CzarSelectCardHandler: func(msg RpcCzarSelectCardMsg) error {
+				handler = "Czar Selects A Card"
+
+				res, err := gameRepo.Repo.CzarSelectsCard(c.GameId, c.PlayerId, msg.Cards)
+				if err != nil {
+					return err
+				}
+
+				if res.GameEnded {
+					// TODO: end the game lol
+				}
+
+				// TODO: send some output
+
+				return err
+			},
 		})
 
 		microSeconds := time.Since(startTime).Microseconds()

backend/network/rpc.go

@@ -46,6 +46,9 @@ const (
 	MsgOnCardPlayed
 	// Tx when the judging phase starts
 	MsgOnCzarJudgingPhase
+
+	// Rx when a czar selects a card
+	MsgCzarSelectCard
 )
 
 type RpcMessageBody struct {
@@ -71,6 +74,7 @@ type RpcCommandHandlers struct {
 	PingHandler           func() error
 	StartGameHandler      func() error
 	PlayCardsHandler      func(msg RpcPlayCardsMsg) error
+	CzarSelectCardHandler func(msg RpcCzarSelectCardMsg) error
 }
 
 func DecodeAs[T RpcMessage](data []byte) (T, error) {
@@ -115,6 +119,13 @@ func DecodeRpcMessage(data []byte, handlers RpcCommandHandlers) error {
 		}
 
 		return handlers.PlayCardsHandler(command)
+	case MsgCzarSelectCard:
+		command, err := DecodeAs[RpcCzarSelectCardMsg](data)
+		if err != nil {
+			return err
+		}
+
+		return handlers.CzarSelectCardHandler(command)
 	default:
 		logger.Logger.Error("Unknown command", "type", cmd.Type)
 		return errors.New("Unknown command")
@@ -242,3 +253,12 @@ type RpcOnCzarJudgingPhaseMsg struct {
 func (msg RpcOnCzarJudgingPhaseMsg) Type() RpcMessageType {
 	return MsgOnCzarJudgingPhase
 }
+
+type RpcCzarSelectCardMsg struct {
+	// Unsorted array of card IDs, i.e: {1, 3, 2}
+	Cards []int `json:"cards"`
+}
+
+func (msg RpcCzarSelectCardMsg) Type() RpcMessageType {
+	return MsgCzarSelectCard
+}