module Dialog.AddCategory.View exposing
  ( button
  )

import Html exposing (..)
import Html.Attributes exposing (..)
import Html.Events exposing (..)
import Task

import Form exposing (Form)
import Form.Field as Field exposing (Field)
import Utils.Form as Form

import Dialog
import Dialog.AddCategory.Model as AddCategory
import Dialog.Msg as DialogMsg

import Tooltip

import View.Form as Form
import View.Events exposing (onSubmitPrevDefault)

import Msg exposing (Msg)
import LoggedIn.Msg as LoggedInMsg
import LoggedIn.Home.Msg as HomeMsg

import Model.Translations exposing (getMessage)
import Model.View exposing (View(LoggedInView))

import LoggedData exposing (LoggedData)
import LoggedIn.Home.Model as HomeModel

button : LoggedData -> List (String, Field) -> String -> Html Msg -> Maybe String -> Html Msg
button loggedData initialForm title buttonContent tooltip =
  let dialogConfig =
        { className = "categoryDialog"
        , title = getMessage loggedData.translations title
        , body = \model -> addCategoryForm loggedData model.addCategory
        , confirm = getMessage loggedData.translations "Confirm"
        , confirmMsg = submitForm << .addCategory
        , undo = getMessage loggedData.translations "Undo"
        }
  in  Html.button
        (  ( case tooltip of
               Just message -> Tooltip.show Msg.Tooltip message
               Nothing -> []
           )
        ++ [ onClick (Msg.Dialog <| Dialog.OpenWithUpdate dialogConfig (DialogMsg.Init "categoryname" (DialogMsg.AddCategoryMsg <| Form.Reset initialForm))) ]
         )
        [ buttonContent ]

addCategoryForm : LoggedData -> Form String AddCategory.Model -> Html Msg
addCategoryForm loggedData addCategory =
  let htmlMap = Html.map (Msg.Dialog << Dialog.Update << DialogMsg.AddCategoryMsg)
  in  Html.form
        [ onSubmitPrevDefault Msg.NoOp ]
        [ htmlMap <| Form.textInput loggedData.translations addCategory "category" "name"
        , htmlMap <| Form.colorInput loggedData.translations addCategory "category" "color"
        , Form.hiddenSubmit (submitForm addCategory)
        ]

submitForm : Form String AddCategory.Model -> Msg
submitForm addCategory =
  case Form.getOutput addCategory of
    Just data ->
      case data.id of
        Just categoryId ->
          Msg.Dialog <| Dialog.UpdateAndClose <| Msg.EditCategory categoryId data.name data.color
        Nothing ->
          Msg.Dialog <| Dialog.UpdateAndClose <| Msg.CreateCategory data.name data.color
    Nothing ->
      Msg.Dialog <| Dialog.Update <| DialogMsg.AddCategoryMsg <| Form.Submit