module Route.Hello exposing (ActionData, Data, Model, Msg, route)

import DataSource exposing (DataSource)
import Effect exposing (Effect)
import ErrorPage exposing (ErrorPage)
import Fetcher.Signup
import Head
import Head.Seo as Seo
import Html
import Http
import Pages.PageUrl exposing (PageUrl)
import Pages.Url
import Path exposing (Path)
import Route.Signup
import RouteBuilder exposing (StatefulRoute, StatelessRoute, StaticPayload)
import Server.Request as Request
import Server.Response as Response exposing (Response)
import Shared
import View exposing (View)


type alias Model =
    {}


type Msg
    = NoOp
    | GotResponse (Result Http.Error Route.Signup.ActionData)


type alias RouteParams =
    {}


route : StatefulRoute RouteParams Data ActionData Model Msg
route =
    RouteBuilder.serverRender
        { head = head
        , data = data
        , action = \_ -> Request.succeed (DataSource.succeed (Response.render {}))
        }
        |> RouteBuilder.buildWithLocalState
            { view = view
            , update = update
            , subscriptions = subscriptions
            , init = init
            }


init :
    Maybe PageUrl
    -> Shared.Model
    -> StaticPayload Data ActionData RouteParams
    -> ( Model, Effect Msg )
init maybePageUrl sharedModel static =
    ( {}
    , Fetcher.Signup.submit
        { headers = []
        , formFields =
            [ ( "first", "Jane" )
            , ( "email", "jane@example.com" )
            ]
        }
        |> Effect.map GotResponse
    )


update :
    PageUrl
    -> Shared.Model
    -> StaticPayload Data ActionData RouteParams
    -> Msg
    -> Model
    -> ( Model, Effect Msg )
update pageUrl sharedModel static msg model =
    case msg of
        NoOp ->
            ( model
            , Effect.none
            )

        GotResponse result ->
            let
                _ =
                    Debug.log "GotResponse" result
            in
            ( model
            , Effect.none
            )


subscriptions : Maybe PageUrl -> RouteParams -> Path -> Shared.Model -> Model -> Sub Msg
subscriptions maybePageUrl routeParams path sharedModel model =
    Sub.none


type alias Data =
    {}


type alias ActionData =
    {}


data : RouteParams -> Request.Parser (DataSource (Response Data ErrorPage))
data routeParams =
    Request.succeed (DataSource.succeed (Response.render Data))


head :
    StaticPayload Data ActionData RouteParams
    -> List Head.Tag
head static =
    Seo.summary
        { canonicalUrlOverride = Nothing
        , siteName = "elm-pages"
        , image =
            { url = Pages.Url.external "TODO"
            , alt = "elm-pages logo"
            , dimensions = Nothing
            , mimeType = Nothing
            }
        , description = "TODO"
        , locale = Nothing
        , title = "TODO title" -- metadata.title -- TODO
        }
        |> Seo.website


view :
    Maybe PageUrl
    -> Shared.Model
    -> Model
    -> StaticPayload Data ActionData RouteParams
    -> View Msg
view maybeUrl sharedModel model static =
    { title = "Hello!"
    , body = [ Html.text "Hello" ]
    }