module Examples.Tooltip exposing (example, State, Msg)

{-|

@docs example, State, Msg

-}

import Accessibility.Styled as Html exposing (Html)
import AtomicDesignType exposing (AtomicDesignType(..))
import Category exposing (Category(..))
import Css
import Debug.Control as Control exposing (Control)
import Example exposing (Example)
import Html.Styled.Attributes as Attributes exposing (css, href)
import KeyboardSupport exposing (Direction(..), Key(..))
import Nri.Ui.ClickableSvg.V1 as ClickableSvg
import Nri.Ui.ClickableText.V3 as ClickableText
import Nri.Ui.Colors.V1 as Colors
import Nri.Ui.Heading.V2 as Heading
import Nri.Ui.Svg.V1 as Svg
import Nri.Ui.Text.V4 as Text
import Nri.Ui.Tooltip.V2 as Tooltip
import Nri.Ui.UiIcon.V1 as UiIcon


example : Example State Msg
example =
    { name = "Nri.Ui.Tooltip.V2"
    , categories = [ Widgets ]
    , atomicDesignType = Molecule
    , keyboardSupport = []
    , state = init
    , update = update
    , subscriptions = \_ -> Sub.none
    , view = view
    }


type alias State =
    { openTooltip : Maybe TooltipType
    , staticExampleSettings : Control ExampleSettings
    }


init : State
init =
    { openTooltip = Nothing
    , staticExampleSettings = initStaticExampleSettings
    }


type TooltipType
    = PrimaryLabel
    | AuxillaryDescription
    | LearnMore


type Msg
    = ToggleTooltip TooltipType Bool
    | SetStaticExampleSettings (Control ExampleSettings)


update : Msg -> State -> ( State, Cmd Msg )
update msg model =
    case msg of
        ToggleTooltip type_ isOpen ->
            if isOpen then
                ( { model | openTooltip = Just type_ }, Cmd.none )

            else
                ( { model | openTooltip = Nothing }, Cmd.none )

        SetStaticExampleSettings settings ->
            ( { model | staticExampleSettings = settings }, Cmd.none )


view : State -> List (Html Msg)
view model =
    [ Heading.h3 [] [ Html.text "Using the Tooltip module" ]
    , Text.mediumBody
        [ Html.text "Label the Tooltip as either being the "
        , viewPrimaryLabelTooltip model.openTooltip
        , Html.text " or the "
        , viewAuxillaryDescriptionToolip model.openTooltip
        , Html.text " for the trigger content."
        , viewToggleTip model.openTooltip
        ]
    , viewCustomizableExample model.staticExampleSettings
    ]


viewPrimaryLabelTooltip : Maybe TooltipType -> Html Msg
viewPrimaryLabelTooltip openTooltip =
    Tooltip.view
        { id = "tooltip__primaryLabel"
        , trigger =
            \eventHandlers ->
                ClickableText.button "primaryLabel"
                    [ ClickableText.custom eventHandlers
                    ]
        }
        [ Tooltip.html
            [ Html.text "A primary label is used when the tooltip content serves as the main label for its trigger content"
            , Html.br []
            , Html.text "e.g. when the trigger content is an icon with no text."
            ]
        , Tooltip.auxillaryDescription
        , Tooltip.onHover (ToggleTooltip PrimaryLabel)
        , Tooltip.open (openTooltip == Just PrimaryLabel)
        , Tooltip.onBottom
        ]


viewAuxillaryDescriptionToolip : Maybe TooltipType -> Html Msg
viewAuxillaryDescriptionToolip openTooltip =
    Tooltip.view
        { id = "tooltip__auxillaryDescription"
        , trigger =
            \eventHandlers ->
                ClickableText.button "auxillaryDescription"
                    [ ClickableText.custom eventHandlers
                    ]
        }
        [ Tooltip.html
            [ Html.text "An auxillary description is used when the tooltip content provides supplementary information about its trigger content"
            , Html.br []
            , Html.text "e.g. when the trigger content is a word in the middle of a body of text that requires additional explanation."
            ]
        , Tooltip.auxillaryDescription
        , Tooltip.onHover (ToggleTooltip AuxillaryDescription)
        , Tooltip.open (openTooltip == Just AuxillaryDescription)
        , Tooltip.onBottom
        ]


viewToggleTip : Maybe TooltipType -> Html Msg
viewToggleTip openTooltip =
    Tooltip.toggleTip { label = "tooltip__learn-more" }
        [ Tooltip.html
            [ Html.a
                [ href "https://inclusive-components.design/tooltips-toggletips" ]
                [ Html.text "Learn more" ]
            ]
        , Tooltip.primaryLabel
        , Tooltip.onHover (ToggleTooltip LearnMore)
        , Tooltip.open (openTooltip == Just LearnMore)
        , Tooltip.smallPadding
        , Tooltip.fitToContent
        ]


type alias ExampleSettings =
    { content : Tooltip.Attribute Never
    , direction : Tooltip.Attribute Never
    , alignment : Tooltip.Attribute Never
    , width : Tooltip.Attribute Never
    , padding : Tooltip.Attribute Never
    }


initStaticExampleSettings : Control ExampleSettings
initStaticExampleSettings =
    Control.record ExampleSettings
        |> Control.field "content" controlContent
        |> Control.field "direction" controlDirection
        |> Control.field "alignment" controlAlignment
        |> Control.field "width" controlWidth
        |> Control.field "padding" controlPadding


controlContent : Control (Tooltip.Attribute Never)
controlContent =
    Control.choice
        [ ( "plaintext"
          , "Song lyrics are literature."
                |> Control.string
                |> Control.map Tooltip.plaintext
          )
        , ( "HTML (short)"
          , [ Html.code [] [ Html.text "git status" ]
            , Html.text " ⇄ "
            , Html.em [] [ Html.text "tries again" ]
            ]
                |> Tooltip.html
                |> Control.value
          )
        , ( "HTML"
          , [ Html.text "Click "
            , Html.a [ href "http://www.noredink.com", Attributes.target "_blank" ]
                [ Html.text "here, yes, HERE, right here on this long tooltip. "
                , Html.div
                    [ css
                        [ Css.display Css.inlineBlock
                        , Css.width (Css.px 20)
                        ]
                    ]
                    [ Svg.toHtml UiIcon.gear ]
                ]
            , Html.text " to check out NoRedInk."
            ]
                |> Tooltip.html
                |> Control.value
          )
        ]


controlDirection : Control (Tooltip.Attribute Never)
controlDirection =
    Control.choice
        [ ( "onTop", Control.value Tooltip.onTop )
        , ( "onBottom", Control.value Tooltip.onBottom )
        , ( "onLeft", Control.value Tooltip.onLeft )
        , ( "onRight", Control.value Tooltip.onRight )
        ]


controlAlignment : Control (Tooltip.Attribute Never)
controlAlignment =
    Control.choice
        [ ( "alignMiddle (default)", Control.value Tooltip.alignMiddle )
        , ( "alignStart", Control.map (Css.px >> Tooltip.alignStart) controlNumber )
        , ( "alignEnd", Control.map (Css.px >> Tooltip.alignEnd) controlNumber )
        ]


controlNumber : Control Float
controlNumber =
    Control.map (String.toFloat >> Maybe.withDefault 0) (Control.string "0")


controlWidth : Control (Tooltip.Attribute Never)
controlWidth =
    Control.choice
        [ ( "exactWidth 320 (default)", Control.value (Tooltip.exactWidth 320) )
        , ( "exactWidth", Control.map (round >> Tooltip.exactWidth) controlNumber )
        , ( "fitToContent", Control.value Tooltip.fitToContent )
        ]


controlPadding : Control (Tooltip.Attribute Never)
controlPadding =
    Control.choice
        [ ( "normalPadding (default)", Control.value Tooltip.normalPadding )
        , ( "smallPadding", Control.value Tooltip.smallPadding )
        , ( "customPadding", Control.map Tooltip.customPadding controlNumber )
        ]


viewCustomizableExample : Control ExampleSettings -> Html Msg
viewCustomizableExample controlSettings =
    let
        settings =
            Control.currentValue controlSettings

        attributes =
            [ Tooltip.open True
            , settings.content
            , settings.direction
            , settings.alignment
            , settings.width
            , settings.padding
            ]
    in
    Html.div []
        [ Control.view SetStaticExampleSettings controlSettings
            |> Html.fromUnstyled
        , Html.div
            [ css
                [ Css.displayFlex
                , Css.justifyContent Css.center
                , Css.alignItems Css.center
                , Css.height (Css.px 300)
                ]
            ]
            [ Tooltip.view
                { trigger =
                    \eventHandlers ->
                        ClickableSvg.button "Arrow Up"
                            UiIcon.arrowTop
                            [ ClickableSvg.custom eventHandlers
                            ]
                , id = "my-top-tooltip"
                }
                attributes
                |> Html.map never
            ]
        ]