module NriModules exposing (ModuleStates, Msg, init, nriThemedModules, styles, subscriptions, update)

import Assets exposing (assets)
import DEPRECATED.Css.File exposing (Stylesheet, compile, stylesheet)
import Examples.Colors
import Examples.Dropdown
import Examples.Fonts
import Examples.Icon
import Examples.SegmentedControl
import Examples.Select
import Examples.Text
import Examples.Text.Writing
import Examples.TextArea as TextAreaExample
import Html exposing (Html, img)
import Html.Attributes exposing (..)
import ModuleExample exposing (Category(..), ModuleExample)
import Navigation
import Nri.Ui.AssetPath as AssetPath exposing (Asset(Asset))
import Nri.Ui.Dropdown.V1
import Nri.Ui.Icon.V2
import Nri.Ui.SegmentedControl.V5
import Nri.Ui.Select.V2
import Nri.Ui.Text.V1 as Text
import Nri.Ui.TextArea.V1 as TextArea
import String.Extra


type alias ModuleStates =
    { dropdownState : Examples.Dropdown.State Examples.Dropdown.Value
    , segmentedControlState : Examples.SegmentedControl.State
    , selectState : Examples.Select.State Examples.Select.Value
    , textAreaExampleState : TextAreaExample.State
    }


init : ModuleStates
init =
    { dropdownState = Examples.Dropdown.init
    , segmentedControlState = Examples.SegmentedControl.init
    , selectState = Examples.Select.init
    , textAreaExampleState = TextAreaExample.init
    }


type Msg
    = DropdownMsg Examples.Dropdown.Msg
    | SegmentedControlMsg Examples.SegmentedControl.Msg
    | SelectMsg Examples.Select.Msg
    | ShowItWorked String String
    | TextAreaExampleMsg TextAreaExample.Msg
    | NoOp


update : Msg -> ModuleStates -> ( ModuleStates, Cmd Msg )
update msg moduleStates =
    case msg of
        DropdownMsg msg ->
            let
                ( dropdownState, cmd ) =
                    Examples.Dropdown.update msg moduleStates.dropdownState
            in
            ( { moduleStates | dropdownState = dropdownState }
            , Cmd.map DropdownMsg cmd
            )

        SegmentedControlMsg msg ->
            let
                ( segmentedControlState, cmd ) =
                    Examples.SegmentedControl.update msg moduleStates.segmentedControlState
            in
            ( { moduleStates | segmentedControlState = segmentedControlState }
            , Cmd.map SegmentedControlMsg cmd
            )

        SelectMsg msg ->
            let
                ( selectState, cmd ) =
                    Examples.Select.update msg moduleStates.selectState
            in
            ( { moduleStates | selectState = selectState }
            , Cmd.map SelectMsg cmd
            )

        ShowItWorked group message ->
            let
                _ =
                    Debug.log group message
            in
            ( moduleStates, Cmd.none )

        TextAreaExampleMsg msg ->
            let
                ( textAreaExampleState, cmd ) =
                    TextAreaExample.update msg moduleStates.textAreaExampleState
            in
            ( { moduleStates | textAreaExampleState = textAreaExampleState }
            , Cmd.map TextAreaExampleMsg cmd
            )

        NoOp ->
            ( moduleStates, Cmd.none )


subscriptions : ModuleStates -> Sub Msg
subscriptions moduleStates =
    Sub.batch
        []


{-| A container with a visually-apparent size for demonstrating how style guide components
fill their parents.
-}
container : Int -> List (Html msg) -> Html msg
container width children =
    Html.div
        [ Html.Attributes.class "demo-container"
        , style [ ( "width", toString width ++ "px" ) ]
        ]
        children


nriThemedModules : ModuleStates -> List (ModuleExample Msg)
nriThemedModules model =
    [ Examples.Dropdown.example DropdownMsg model.dropdownState
    , Examples.Icon.example
    , Examples.SegmentedControl.example SegmentedControlMsg model.segmentedControlState
    , Examples.Select.example SelectMsg model.selectState
    , Examples.Text.example
    , Examples.Text.Writing.example
    , Examples.Fonts.example
    , TextAreaExample.example TextAreaExampleMsg model.textAreaExampleState
    , Examples.Colors.example
    ]


exampleMessages : (msg -> Msg) -> String -> ModuleExample.ModuleMessages msg Msg
exampleMessages exampleMessageWrapper exampleName =
    { noOp = NoOp
    , showItWorked = ShowItWorked exampleName
    , wrapper = exampleMessageWrapper
    }


route : Navigation.Location -> Maybe String
route location =
    location.hash
        |> String.dropLeft 1
        |> String.Extra.nonEmpty


styles : List Stylesheet
styles =
    List.concat
        [ -- NOTE: these will go away as the modules' styles are integrated with Nri.Css.Site.elm
          [ ModuleExample.styles
          ]
        , (Examples.Icon.styles |> .css) ()
        , (Examples.SegmentedControl.styles |> .css) ()
        , (Nri.Ui.Dropdown.V1.styles |> .css) ()
        , (Nri.Ui.Icon.V2.styles |> .css) ()
        , (Nri.Ui.SegmentedControl.V5.styles |> .css) ()
        , (Nri.Ui.Select.V2.styles |> .css) ()
        , (Text.styles |> .css) ()
        , (TextArea.styles |> .css) assets
        ]