From ab1267a757bcc997f05cc9babe2d1fb9bb681ce4 Mon Sep 17 00:00:00 2001
From: Jasper Van der Jeugt
Date: Thu, 30 Jul 2020 21:48:22 +0200
Subject: Sync cards only once

---
 client/src/Client.elm   | 39 ++++++++++++++++++++++++++-------------
 client/src/Messages.elm | 35 +++++++++++++++++++++++++++++------
 2 files changed, 55 insertions(+), 19 deletions(-)

(limited to 'client')

diff --git a/client/src/Client.elm b/client/src/Client.elm
index 41871e9..5c6d167 100644
--- a/client/src/Client.elm
+++ b/client/src/Client.elm
@@ -1,9 +1,10 @@
 port module Client exposing (main)
 
+import Array exposing (Array)
 import Browser
-import Html exposing (Html)
 import Html.Attributes
 import Html.Events
+import Html exposing (Html)
 import Json.Decode
 import Json.Encode
 import Messages exposing (GameView)
@@ -20,13 +21,16 @@ type Msg
     | ChangeMyName String
     | SubmitMyName
 
+type alias Cards = {black : Array String, white : Array String}
+
 type Model
     = Error String
     | Connecting
         { roomId : String
         }
     | Game
-        { view : GameView
+        { cards : Cards
+        , view : GameView
         , changeMyName : String
         }
 
@@ -70,21 +74,21 @@ view model = case model of
         ] ++
         (case game.view.blackCard of
             Nothing -> []
-            Just c -> [blackCard c]) ++
-        (List.map whiteCard game.view.hand)
+            Just c -> [blackCard game.cards c]) ++
+        (List.map (whiteCard game.cards) game.view.hand)
 
-blackCard : Messages.BlackCard -> Html a
-blackCard (Messages.BlackCard string) =
+blackCard : Cards -> Messages.BlackCard -> Html a
+blackCard cards (Messages.BlackCard idx) =
     let blank = Html.span [Html.Attributes.class "blank"] [] in
     Html.div [Html.Attributes.class "card", Html.Attributes.class "black"] <|
-    List.intersperse blank <|
-    List.map Html.text <|
-    String.split "\\BLANK" string
+    List.intersperse blank <| List.map Html.text <|
+    String.split "\\BLANK" <| Maybe.withDefault "" <|
+    Array.get idx cards.black
 
-whiteCard : Messages.WhiteCard -> Html a
-whiteCard (Messages.WhiteCard string) = Html.div
+whiteCard : Cards -> Messages.WhiteCard -> Html a
+whiteCard cards (Messages.WhiteCard idx) = Html.div
     [Html.Attributes.class "card", Html.Attributes.class "white"]
-    [Html.text string]
+    [Html.text <| Maybe.withDefault "" <| Array.get idx cards.white]
 
 subscriptions : Model -> Sub Msg
 subscriptions model = webSocketIn WebSocketIn
@@ -107,11 +111,20 @@ update msg model = case msg of
                     Game game -> (Game {game | view = gameView}, Cmd.none)
                     _ ->
                         ( Game
-                            { view = gameView
+                            { cards = {black = Array.empty, white = Array.empty}
+                            , view = gameView
                             , changeMyName = gameView.myName
                             }
                         , Cmd.none
                         )
+            Ok (Messages.SyncCards cards) ->
+                let arr =
+                        { black = Array.fromList cards.black
+                        , white = Array.fromList cards.white
+                        } in
+                case model of
+                    Game game -> (Game {game | cards = arr}, Cmd.none)
+                    _ -> (model, Cmd.none)
 
     ChangeMyName name -> case model of
         Game game -> (Game {game | changeMyName = name}, Cmd.none)
diff --git a/client/src/Messages.elm b/client/src/Messages.elm
index d2c2716..15a0d1c 100644
--- a/client/src/Messages.elm
+++ b/client/src/Messages.elm
@@ -9,30 +9,50 @@ import Set exposing (Set)
 
 
 type BlackCard  =
-    BlackCard String
+    BlackCard Int
 
 jsonDecBlackCard : Json.Decode.Decoder ( BlackCard )
 jsonDecBlackCard =
-    Json.Decode.lazy (\_ -> Json.Decode.map BlackCard (Json.Decode.string))
+    Json.Decode.lazy (\_ -> Json.Decode.map BlackCard (Json.Decode.int))
 
 
 jsonEncBlackCard : BlackCard -> Value
 jsonEncBlackCard (BlackCard v1) =
-    Json.Encode.string v1
+    Json.Encode.int v1
 
 
 
 type WhiteCard  =
-    WhiteCard String
+    WhiteCard Int
 
 jsonDecWhiteCard : Json.Decode.Decoder ( WhiteCard )
 jsonDecWhiteCard =
-    Json.Decode.lazy (\_ -> Json.Decode.map WhiteCard (Json.Decode.string))
+    Json.Decode.lazy (\_ -> Json.Decode.map WhiteCard (Json.Decode.int))
 
 
 jsonEncWhiteCard : WhiteCard -> Value
 jsonEncWhiteCard (WhiteCard v1) =
-    Json.Encode.string v1
+    Json.Encode.int v1
+
+
+
+type alias Cards  =
+   { black: (List String)
+   , white: (List String)
+   }
+
+jsonDecCards : Json.Decode.Decoder ( Cards )
+jsonDecCards =
+   Json.Decode.succeed (\pblack pwhite -> {black = pblack, white = pwhite})
+   |> required "black" (Json.Decode.list (Json.Decode.string))
+   |> required "white" (Json.Decode.list (Json.Decode.string))
+
+jsonEncCards : Cards -> Value
+jsonEncCards  val =
+   Json.Encode.object
+   [ ("black", (Json.Encode.list Json.Encode.string) val.black)
+   , ("white", (Json.Encode.list Json.Encode.string) val.white)
+   ]
 
 
 
@@ -64,6 +84,7 @@ jsonEncGameView  val =
 
 type ServerMessage  =
     Welcome Int
+    | SyncCards Cards
     | SyncGameView GameView
     | Bye 
 
@@ -71,6 +92,7 @@ jsonDecServerMessage : Json.Decode.Decoder ( ServerMessage )
 jsonDecServerMessage =
     let jsonDecDictServerMessage = Dict.fromList
             [ ("Welcome", Json.Decode.lazy (\_ -> Json.Decode.map Welcome (Json.Decode.int)))
+            , ("SyncCards", Json.Decode.lazy (\_ -> Json.Decode.map SyncCards (jsonDecCards)))
             , ("SyncGameView", Json.Decode.lazy (\_ -> Json.Decode.map SyncGameView (jsonDecGameView)))
             , ("Bye", Json.Decode.lazy (\_ -> Json.Decode.succeed Bye))
             ]
@@ -80,6 +102,7 @@ jsonEncServerMessage : ServerMessage -> Value
 jsonEncServerMessage  val =
     let keyval v = case v of
                     Welcome v1 -> ("Welcome", encodeValue (Json.Encode.int v1))
+                    SyncCards v1 -> ("SyncCards", encodeValue (jsonEncCards v1))
                     SyncGameView v1 -> ("SyncGameView", encodeValue (jsonEncGameView v1))
                     Bye  -> ("Bye", encodeValue (Json.Encode.list identity []))
     in encodeSumObjectWithSingleField keyval val
-- 
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