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

{-|

@docs example, styles

-}

import Category exposing (Category(..))
import Css exposing (..)
import Dict exposing (Dict)
import Html.Styled as Html
import Html.Styled.Attributes exposing (css)
import ModuleExample exposing (ModuleExample)
import Nri.Ui.Accordion.V1 as Accordion
import Nri.Ui.Colors.V1 as Colors
import Nri.Ui.Fonts.V1 as Fonts
import Nri.Ui.Heading.V2 as Heading
import Nri.Ui.Text.V4 as Text
import Sort.Set as Set exposing (Set)


{-| -}
example : (Msg -> msg) -> State -> ModuleExample msg
example parentMessage model =
    { name = "Nri.Ui.Accordion.V1"
    , categories = Set.fromList Category.sorter <| List.singleton Layout
    , content =
        [ Heading.h3 [] [ Html.text "Accordion.view with default styles" ]
        , Accordion.view
            { entries =
                [ { id = 1, title = "Entry 1", content = "Content for the first accordion" }
                , { id = 2, title = "Entry 2", content = "Content for the second accordion" }
                , { id = 3, title = "Super long entry that is very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very long", content = "Content for the third accordion" }
                ]
                    |> List.map
                        (\entry ->
                            ( entry, Dict.get entry.id model |> Maybe.withDefault False )
                        )
            , viewHeader = .title >> Html.text
            , viewContent = \{ content } -> Text.smallBody [ Html.text content ]
            , customStyles = Nothing
            , toggle = \entry toExpand -> Toggle entry.id toExpand
            , caret = Accordion.DefaultCaret
            }
        , Heading.h3 [] [ Html.text "Accordion.view with custom styles from peer reviews" ]
        , Accordion.view
            { entries =
                [ { id = 4
                  , title = "Firstname Lastname"
                  , content =
                        Html.div
                            [ css [ Fonts.baseFont, fontSize (px 13) ]
                            ]
                            [ Html.text "has not started writing" ]
                  }
                , { id = 5
                  , title = "LongFirstnameAnd EvenLongerLastname"
                  , content =
                        Html.div
                            [ css [ Fonts.baseFont, fontSize (px 13) ] ]
                            [ Html.text "has started writing" ]
                  }
                ]
                    |> List.map
                        (\entry ->
                            ( entry, Dict.get entry.id model |> Maybe.withDefault False )
                        )
            , viewHeader = .title >> Html.text
            , viewContent = .content
            , customStyles =
                Just
                    (\_ ->
                        { entryStyles =
                            [ borderTop3 (px 1) solid Colors.gray75
                            , marginBottom zero
                            , width (px 284)
                            ]
                        , entryExpandedStyles = []
                        , entryClosedStyles = []
                        , headerStyles =
                            [ height (px 46)
                            , paddingLeft (px 8)
                            , paddingRight (px 8)
                            , Css.alignItems Css.center
                            ]
                        , headerExpandedStyles =
                            [ backgroundColor Colors.gray96
                            , borderRadius zero
                            ]
                        , headerClosedStyles = [ backgroundColor transparent ]
                        , contentStyles =
                            [ backgroundColor Colors.gray96
                            , paddingLeft (px 8)
                            , paddingRight (px 8)
                            , paddingBottom (px 8)
                            ]
                        }
                    )
            , toggle = \entry toExpand -> Toggle entry.id toExpand
            , caret = Accordion.DefaultCaret
            }
        ]
            |> List.map (Html.map parentMessage)
    }


type Msg
    = Toggle Int Bool


{-| -}
init : State
init =
    Dict.fromList
        [ ( 1, False )
        , ( 2, False )
        , ( 3, False )
        , ( 4, False )
        , ( 5, False )
        ]


{-| -}
type alias State =
    Dict Int Bool


{-| -}
update : Msg -> State -> State
update (Toggle id toExpanded) model =
    Dict.insert id toExpanded model