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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 (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
type alias Cards = {black : Array String, white : Array String}
type Model
= Error String
| Connecting
{ roomId : String
}
| Game
{ cards : Cards
, view : GameView
, changeMyName : String
}
parseRoomId : Url -> Result String String
parseRoomId url = case String.split "/" url.path of
_ :: "rooms" :: roomId :: _ -> Ok roomId
_ -> Err <| "Invalid path: " ++ url.path
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
(\p -> Html.li [] [Html.text p])
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 "change"]
]
] ++
[viewTable game.cards game.view.table] ++
(List.map (whiteCard game.cards) game.view.hand)
viewTable : Cards -> Messages.TableView -> Html a
viewTable cards (Messages.Proposing c my) = Html.div [] <|
[ blackCard cards c
] ++
(case my of
Nothing -> []
Just mc -> [whiteCard cards mc])
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" <| Maybe.withDefault "" <|
Array.get idx cards.black
whiteCard : Cards -> Messages.WhiteCard -> Html a
whiteCard cards (Messages.WhiteCard idx) = Html.div
[Html.Attributes.class "card", Html.Attributes.class "white"]
[Html.text <| Maybe.withDefault "" <| Array.get idx cards.white]
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
}
, 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)
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
}
|
