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|
module Main exposing (..)
import Array exposing (..)
import Base exposing (..)
import Browser
import Html exposing (..)
import Html.Attributes exposing (..)
import Html.Events exposing (onInput)
import Task
import Time
import Utils exposing (isJust, isNothing)
import Views exposing (..)
main =
Browser.element
{ init = init
, view = view
, update = update
, subscriptions = subscriptions
}
type Msg
= Started Time.Posix
| Finished Time.Posix
| CorrectInput
| CorrectSoFar
| NextWord
| WrongInput
| InputChanged String
| Redo
subscriptions : Model -> Sub Msg
subscriptions model =
Sub.none
generateWords : Array Word
generateWords =
"this is some sample text for the demoz"
|> String.split " "
|> Array.fromList
|> Array.map (\w -> Word w Todo)
init : () -> ( Model, Cmd Msg )
init _ =
let
words =
generateWords
in
( Model Nothing Nothing words Nothing (Array.length words) 0 ""
, Cmd.none
)
setStartTime : Cmd Msg
setStartTime =
Task.perform Started Time.now
setEndTime : Cmd Msg
setEndTime =
Task.perform Finished Time.now
firstWord : Model -> Bool
firstWord model =
String.length model.inputBox == 1 && model.currentWord == 0
lastWord : Model -> Bool
lastWord model =
model.currentWord == model.length - 1
wordEnded : String -> Bool
wordEnded s =
String.endsWith " " s
handleWordEnded : Model -> ( Model, Cmd Msg )
handleWordEnded model =
let
s =
model.inputBox
current =
Array.get model.currentWord model.words |> Maybe.withDefault (Word "" Todo)
currentContent =
current.content
prevWordStatus =
if s == currentContent then
Correct
else
Wrong
newWords =
Array.set model.currentWord { current | status = prevWordStatus } model.words
newModel =
{ model | inputBox = "", words = newWords, currentWord = model.currentWord + 1 }
cmd =
if lastWord model then
setEndTime
else
Cmd.none
in
( newModel, cmd )
update : Msg -> Model -> ( Model, Cmd Msg )
update msg model =
case msg of
Started t ->
( { model | begin = Just t }
, Cmd.none
)
Finished t ->
( { model | end = Just t }
, Cmd.none
)
InputChanged s ->
let
cmd =
if firstWord model && isNothing model.begin then
setStartTime
else if s == currentContents model && lastWord model then
setEndTime
else
Cmd.none
in
( { model | inputBox = s }
, cmd
)
NextWord ->
if isJust model.end then
( model, Cmd.none )
else
handleWordEnded model
_ ->
( model
, Cmd.none
)
wordStyle : WordStatus -> Attribute msg
wordStyle w =
case w of
Correct ->
style "color" "green"
Wrong ->
style "color" "red"
Todo ->
style "color" "black"
CurrentWord ->
style "color" "magenta"
toPara : Array Word -> Int -> String -> Html Msg
toPara words current content =
words
|> Array.map (\w -> span [ wordStyle w.status ] [ text (w.content ++ " ") ])
|> Array.set current (span [ wordStyle CurrentWord ] [ text (content ++ " ") ])
|> Array.toList
|> p []
currentContents : Model -> String
currentContents model =
Array.get model.currentWord model.words
|> Maybe.map .content
|> Maybe.withDefault ""
view : Model -> Html Msg
view model =
pre []
[ toPara model.words model.currentWord (currentContents model)
-- , p [] [ text (Maybe.withDefault "XX" (Maybe.map displayTime model.begin)) ]
-- , p [] [ text (Maybe.withDefault "XX" (Maybe.map displayTime model.end)) ]
, p [] [ text ("POS: " ++ viewProgress (model.currentWord + 1) model.length) ]
, p [] [ text ("WPM: " ++ viewWpm model) ]
, p [] [ text ("ACC: " ++ viewAccuracy model.words) ]
, input [ onInput handleInputChanged, value model.inputBox ] []
]
handleInputChanged : String -> Msg
handleInputChanged s =
if wordEnded s then
NextWord
else
InputChanged s
|