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|
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
Messages.Voting 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"]
]
Messages.Voting black myProposal proposals myVote -> Html.div [] <|
[ Html.h2 [] [Html.text "Your proposal"]
, blackCard game.cards black myProposal
] ++
[ Html.h2 [] [Html.text "Opponent proposals"]
] ++
List.map (blackCard game.cards black) proposals
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
capitalizeFirst : List String -> List String
capitalizeFirst l = case l of
x :: xs -> (String.toUpper (String.left 1 x) ++ String.dropLeft 1 x) :: xs
_ -> l
blackCard : Cards -> BlackCard -> List WhiteCard -> Html a
blackCard cards black whites =
let blackParts = blackCardContent cards black
whiteParts = List.map (whiteCardContent cards) whites |>
case blackParts of
"" :: _ -> capitalizeFirst
_ -> identity
blank txt = Html.span
[Html.Attributes.class "blank"]
[Html.text txt] in
Html.div [Html.Attributes.class "card", Html.Attributes.class "black"] <|
intersperseWith (List.map blank whiteParts) (blank "") <|
List.map Html.text blackParts
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
}
|