1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
port module Client exposing (main)
import Array exposing (Array)
import Browser
import Html.Attributes
import Html.Events
import Html exposing (Html)
import Json.Decode
import Json.Encode
import Messages exposing (BlackCard, WhiteCard, GameView)
import Url exposing (Url)
port webSocketIn : (String -> msg) -> Sub msg
port webSocketOut : String -> Cmd msg
type Msg
= Ignore
| Send
| WebSocketIn String
-- Name changes
| ChangeMyName String
| SubmitMyName
-- Card selection
| SelectWhiteCard WhiteCard
| ProposeWhiteCards
type alias Cards = {black : Array String, white : Array String}
type alias GameState =
{ cards : Cards
, view : GameView
, changeMyName : String
, selectedWhiteCards : List WhiteCard
}
type Model
= Error String
| Connecting
{ roomId : String
}
| Game GameState
parseRoomId : Url -> Result String String
parseRoomId url = case String.split "/" url.path of
_ :: "rooms" :: roomId :: _ -> Ok roomId
_ -> Err <| "Invalid path: " ++ url.path
viewOpponent : Messages.Opponent -> Html msg
viewOpponent opponent = Html.div [] <|
[ Html.text opponent.name
] ++
if opponent.ready then [Html.text " ✅"] else []
view : Model -> List (Html Msg)
view model = case model of
Error str ->
[ Html.h1 [] [Html.text "Error"]
, Html.p [] [Html.text str]
]
Connecting state ->
[ Html.h1 []
[Html.text <| "Connecting to room " ++ state.roomId ++ "..."]
]
Game game ->
[ Html.h1 [] [Html.text "Opponents"]
, Html.ul [] <| List.map
(\o -> Html.li [] [viewOpponent o])
game.view.opponents
, Html.h1 [] [Html.text "You"]
, Html.form
[ Html.Attributes.action ""
, Html.Events.onSubmit SubmitMyName
]
[ Html.input
[ Html.Attributes.value game.changeMyName
, Html.Events.onInput ChangeMyName
]
[]
, Html.button
[ Html.Attributes.type_ "submit"
, Html.Attributes.disabled <|
game.view.myName == game.changeMyName
]
[Html.text "Update name"]
]
, Html.h1 [] [Html.text "Table"]
, viewTable game
, Html.h1 [] [Html.text "Your cards"]
] ++
(List.map
(\c -> whiteCard game.cards c (cardIsSelected game c))
game.view.hand)
tableBlackCard : GameState -> Maybe BlackCard
tableBlackCard game = case game.view.table of
Messages.Proposing b _ -> Just b
selectedWhiteCards : GameState -> List WhiteCard
selectedWhiteCards game = case game.view.table of
Messages.Proposing _ (x :: xs) -> x :: xs
_ -> game.selectedWhiteCards
cardIsSelected : GameState -> WhiteCard -> Bool
cardIsSelected game card = List.member card <| selectedWhiteCards game
viewTable : GameState -> Html Msg
viewTable game = case game.view.table of
Messages.Proposing c my -> Html.div [] <|
[ blackCard game.cards c <| selectedWhiteCards game
, Html.button
[ Html.Attributes.disabled <|
List.length my > 0 ||
List.length (selectedWhiteCards game) /=
blackCardBlanks game.cards c
, Html.Events.onClick ProposeWhiteCards
]
[Html.text "Propose"]
]
intersperseWith : List a -> a -> List a -> List a
intersperseWith values def list = case list of
[] -> []
x :: [] -> x :: []
x :: y :: t -> case values of
[] -> x :: def :: intersperseWith values def (y :: t)
v :: vs -> x :: v :: intersperseWith vs def (y :: t)
blackCardContent : Cards -> BlackCard -> List String
blackCardContent cards (Messages.BlackCard idx) =
String.split "\\BLANK" <| Maybe.withDefault "" <| Array.get idx cards.black
blackCardBlanks : Cards -> BlackCard -> Int
blackCardBlanks cards c = List.length (blackCardContent cards c) - 1
blackCard : Cards -> BlackCard -> List WhiteCard -> Html a
blackCard cards black whites =
let blank mbWhite = Html.span
[Html.Attributes.class "blank"] <|
case mbWhite of
Nothing -> []
Just w -> [Html.text <| whiteCardContent cards w] in
Html.div [Html.Attributes.class "card", Html.Attributes.class "black"] <|
intersperseWith (List.map (\c -> blank (Just c)) whites) (blank Nothing) <|
List.map Html.text <| blackCardContent cards black
whiteCardContent : Cards -> WhiteCard -> String
whiteCardContent cards (Messages.WhiteCard idx) =
Maybe.withDefault "" <| Array.get idx cards.white
whiteCard : Cards -> WhiteCard -> Bool -> Html Msg
whiteCard cards c selected = Html.div
[ Html.Attributes.class "card"
, Html.Attributes.class "white"
, Html.Attributes.class <| if selected then "selected" else ""
, Html.Events.onClick <| SelectWhiteCard c
]
[ Html.text <| whiteCardContent cards c
]
subscriptions : Model -> Sub Msg
subscriptions model = webSocketIn WebSocketIn
send : Messages.ClientMessage -> Cmd Msg
send = webSocketOut << Json.Encode.encode 0 << Messages.jsonEncClientMessage
update : Msg -> Model -> (Model, Cmd Msg)
update msg model = case msg of
Ignore -> (model, Cmd.none)
Send -> (model, webSocketOut "Hi")
WebSocketIn json ->
case Json.Decode.decodeString Messages.jsonDecServerMessage json of
Err str -> (Error <| Json.Decode.errorToString str, Cmd.none)
Ok (Messages.Welcome playerId) ->
Debug.log ("Welcome " ++ String.fromInt playerId) (model, Cmd.none)
Ok Messages.Bye -> Debug.log "Bye" (model, Cmd.none)
Ok (Messages.SyncGameView gameView) ->
case model of
Game game -> (Game {game | view = gameView}, Cmd.none)
_ ->
( Game
{ cards = {black = Array.empty, white = Array.empty}
, view = gameView
, changeMyName = gameView.myName
, selectedWhiteCards = []
}
, 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)
_ -> (model, Cmd.none)
SubmitMyName -> case model of
Game game -> (model, send <| Messages.ChangeMyName game.changeMyName)
_ -> (model, Cmd.none)
SelectWhiteCard card -> case model of
Game game ->
let cards = case List.member card game.selectedWhiteCards of
True -> List.filter (\c -> c /= card) game.selectedWhiteCards
False -> List.take
(case tableBlackCard game of
Nothing -> 0
Just c -> blackCardBlanks game.cards c - 1)
game.selectedWhiteCards ++
[card] in
(Game {game | selectedWhiteCards = cards}, Cmd.none)
_ -> (model, Cmd.none)
ProposeWhiteCards -> case model of
Game game ->
( Game {game | selectedWhiteCards = []}
, send <| Messages.ProposeWhiteCards game.selectedWhiteCards
)
_ -> (model, Cmd.none)
main : Program () Model Msg
main = Browser.application
{ init = \() url key -> case parseRoomId url of
Err str -> (Error <| "Could not parse room ID: " ++ str, Cmd.none)
Ok roomId -> (Connecting {roomId = roomId}, Cmd.none)
, update = update
, subscriptions = subscriptions
, view = \model -> {title = "Client", body = view model}
, onUrlChange = \url -> Ignore
, onUrlRequest = \urlRequest -> Ignore
}
|
