Still working on the protocol : remove useless PlayerStatus type

src/Hanafuda/Message.hs

@@ -6,7 +6,6 @@
 module Hanafuda.Message (
       T(..)
     , FromClient(..)
-    , PlayerStatus(..)
     , PrivateState(..)
     , PublicGame(..)
     , PublicPlayer(..)
@@ -69,7 +68,9 @@ instance ToJSON Hanafuda.Card where
   toEncoding = genericToEncoding defaultOptions
 
 data FromClient =
-    Answer {accept :: Bool, to :: PlayerID}
+    Hello
+  | Tadaima {myID :: PlayerID}
+  | Answer {accept :: Bool, to :: PlayerID}
   | Invitation {to :: PlayerID}
   | LogIn {name :: Text}
   | LogOut
@@ -82,19 +83,7 @@ instance FromJSON FromClient
 instance ToJSON FromClient where
   toEncoding = genericToEncoding defaultOptions
 
-newtype PlayerStatus = PlayerStatus (Text, Bool) deriving (Generic, Show)
-
-instance FromJSON PlayerStatus where
-  parseJSON = withObject "PlayerStatus" $ \v -> fmap PlayerStatus . (,)
-    <$> v .: "name"
-    <*> v .: "alone"
-instance ToJSON PlayerStatus where
-  toJSON (PlayerStatus (name, alone)) =
-    object ["name" .= name, "alone" .= alone]
-  toEncoding (PlayerStatus (name, alone)) =
-    pairs ("name" .= name <> "alone" .= alone)
-
-type Room = Map PlayerID PlayerStatus
+type Room = Map PlayerID Text
 
 deriving instance Generic KoiKoi.Source
 instance FromJSON KoiKoi.Source
@@ -205,6 +194,7 @@ instance ToJSON PublicGame where
 data T =
     Relay {from :: PlayerID, message :: FromClient}
   | Welcome {room :: Room, key :: PlayerID}
+  | Okaeri {room :: Room}
   | Game {state :: PublicGame, logs :: [KoiKoi.Action]}
   | Pong
   | Error {error :: String}