module Examples.Modal exposing (Msg, State, example, init, update, subscriptions)

{-|

@docs Msg, State, example, init, update, subscriptions

-}

import Accessibility.Styled as Html exposing (Html, div, h3, h4, p, text)
import Css exposing (..)
import Css.Global
import Html.Styled.Attributes exposing (css)
import ModuleExample exposing (Category(..), ModuleExample)
import Nri.Ui.Checkbox.V5 as Checkbox
import Nri.Ui.Colors.V1 as Colors
import Nri.Ui.Modal.V5 as Modal


{-| -}
type alias State =
    { infoModal : Modal.Model
    , warningModal : Modal.Model
    , visibleTitle : Bool
    , showX : Bool
    , showContinue : Bool
    , showSecondary : Bool
    , dismissOnEscAndOverlayClick : Bool
    }


{-| -}
init : State
init =
    { infoModal = Modal.init
    , warningModal = Modal.init
    , visibleTitle = True
    , showX = True
    , showContinue = True
    , showSecondary = False
    , dismissOnEscAndOverlayClick = True
    }


{-| -}
example : (Msg -> msg) -> State -> ModuleExample msg
example parentMessage state =
    { name = "Nri.Ui.Modal.V5"
    , category = Modals
    , content =
        [ Modal.launchButton InfoModalMsg [] "Launch Info Modal"
        , Modal.launchButton WarningModalMsg [] "Launch Warning Modal"
        , Modal.info
            { title = { title = "Modal.info", visibleTitle = state.visibleTitle }
            , wrapMsg = InfoModalMsg
            , content =
                viewContent
                    state
                    InfoModalMsg
                    (Modal.primaryButton ForceClose "Continue")
            }
            state.infoModal
        , Modal.warning
            { title = { title = "Modal.warning", visibleTitle = state.visibleTitle }
            , wrapMsg = WarningModalMsg
            , content =
                viewContent
                    state
                    WarningModalMsg
                    (Modal.dangerButton ForceClose "Have no fear")
            }
            state.warningModal
        ]
            |> List.map (Html.map parentMessage)
    }


viewContent state wrapMsg primaryButton { firstFocusableElement, lastFocusableElement } =
    div []
        [ if state.showX then
            Modal.closeButton wrapMsg firstFocusableElement

          else
            text ""
        , Modal.viewContent [ viewSettings state ]
        , if state.showContinue then
            if state.showSecondary then
                Modal.viewFooter
                    [ primaryButton []
                    , Modal.secondaryButton
                        ForceClose
                        "Close"
                        lastFocusableElement
                    ]

            else
                Modal.viewFooter
                    [ primaryButton lastFocusableElement
                    ]

          else
            text ""
        ]


viewSettings : State -> Html Msg
viewSettings state =
    div []
        [ Checkbox.viewWithLabel
            { identifier = "visible-title"
            , label = "Visible title"
            , selected = Checkbox.selectedFromBool state.visibleTitle
            , setterMsg = SetVisibleTitle
            , disabled = False
            , theme = Checkbox.Square
            }
        , Checkbox.viewWithLabel
            { identifier = "show-x"
            , label = "Show X button"
            , selected = Checkbox.selectedFromBool state.showX
            , setterMsg = SetShowX
            , disabled = False
            , theme = Checkbox.Square
            }
        , Checkbox.viewWithLabel
            { identifier = "show-continue"
            , label = "Show main button"
            , selected = Checkbox.selectedFromBool state.showContinue
            , setterMsg = SetShowContinue
            , disabled = False
            , theme = Checkbox.Square
            }
        , Checkbox.viewWithLabel
            { identifier = "show-secondary"
            , label = "Show secondary button"
            , selected = Checkbox.selectedFromBool state.showSecondary
            , setterMsg = SetShowSecondary
            , disabled = False
            , theme = Checkbox.Square
            }
        , Checkbox.viewWithLabel
            { identifier = "dismiss-on-click"
            , label = "Dismiss on ESC and on backdrop click"
            , selected = Checkbox.selectedFromBool state.dismissOnEscAndOverlayClick
            , setterMsg = SetDismissOnEscAndOverlayClick
            , disabled = False
            , theme = Checkbox.Square
            }
        ]


{-| -}
type Msg
    = InfoModalMsg Modal.Msg
    | WarningModalMsg Modal.Msg
    | ForceClose
    | SetVisibleTitle Bool
    | SetShowX Bool
    | SetShowContinue Bool
    | SetShowSecondary Bool
    | SetDismissOnEscAndOverlayClick Bool


{-| -}
update : Msg -> State -> ( State, Cmd Msg )
update msg state =
    let
        updateConfig =
            { dismissOnEscAndOverlayClick = state.dismissOnEscAndOverlayClick }
    in
    case msg of
        InfoModalMsg modalMsg ->
            case Modal.update updateConfig modalMsg state.infoModal of
                ( newState, cmds ) ->
                    ( { state | infoModal = newState }
                    , Cmd.map InfoModalMsg cmds
                    )

        WarningModalMsg modalMsg ->
            case Modal.update updateConfig modalMsg state.warningModal of
                ( newState, cmds ) ->
                    ( { state | warningModal = newState }
                    , Cmd.map WarningModalMsg cmds
                    )

        ForceClose ->
            ( { state
                | infoModal = Modal.init
                , warningModal = Modal.init
              }
            , Cmd.none
            )

        SetVisibleTitle value ->
            ( { state | visibleTitle = value }, Cmd.none )

        SetShowX value ->
            ( { state | showX = value }, Cmd.none )

        SetShowContinue value ->
            ( { state | showContinue = value }, Cmd.none )

        SetShowSecondary value ->
            ( { state | showSecondary = value }, Cmd.none )

        SetDismissOnEscAndOverlayClick value ->
            ( { state | dismissOnEscAndOverlayClick = value }, Cmd.none )


{-| -}
subscriptions : State -> Sub Msg
subscriptions model =
    Sub.batch
        [ Sub.map InfoModalMsg (Modal.subscriptions model.infoModal)
        , Sub.map WarningModalMsg (Modal.subscriptions model.warningModal)
        ]