{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings     #-}
{-# LANGUAGE QuasiQuotes           #-}
{-# LANGUAGE TemplateHaskell       #-}
{-# LANGUAGE TypeFamilies          #-}
{-# OPTIONS_GHC -fno-warn-unused-top-binds #-}
module Main (main) where

import           Control.Arrow    ((&&&))
import           Data.Text        (Text, pack)
import           Yesod
import           Yesod.Form.Bulma

data App = App

mkYesod "App" [parseRoutes|
/ HomeR GET POST
|]

instance Yesod App
instance YesodBulma App

instance RenderMessage App FormMessage where
  renderMessage _ _ = defaultFormMessage

data Basic = Basic
  { getTextField       :: Text
  -- , getPasswordField :: Text
  , getTextareaField   :: Textarea
  -- , getHiddenField  :: Text
  , getIntField        :: Int
  -- , getDayField    :: Day
  -- , getTimeFieldTypeTime :: Text
  -- , getTimeFieldTypeText
  -- , getHtmlField
  , getEmailField      :: Text
  -- , getMultiEmailField
  -- , getSearchField
  -- , getUrlField
  -- , getDoubleField
  -- , getBoolField
  , getCheckBoxField   :: Bool
  -- , getFileField
  , getSelectField     :: Color
  , getSelectFieldList :: Color
  , getRadioField :: Color
  , getRadioFieldList :: Color
  , getCheckboxesField :: [Color]
  , getCheckboxesFieldList :: [Color]
  , getMultiSelectField :: [Color]
  , getMultiSelectFieldList :: [Color]
  }

data Color = Red | Blue | Gray | Black
  deriving (Show, Eq, Enum, Bounded)

colors :: [(Text, Color)]
colors = map (pack . show &&& id) [minBound .. maxBound]

basicForm :: Html -> MForm Handler (FormResult Basic, Widget)
basicForm = renderBulma BulmaBasicForm $ Basic
  <$> areq bulmaTextField "bulmaTextField" Nothing
  <*> areq bulmaTextareaField "bulmaTextareaField" Nothing
  <*> areq bulmaIntField "bulmaIntField" Nothing
  <*> areq bulmaEmailField "bulmaEmailField" Nothing
  <*> areq (bulmaCheckBoxField "bulmaCheckBoxField") "" Nothing
  <*> areq (bulmaSelectField optionsEnum) "bulmaSelectField" Nothing
  <*> areq (bulmaSelectFieldList colors) "bulmaSelectFieldList" Nothing
  <*> areq (bulmaRadioFieldList colors) "bulmaRadioList" Nothing
  <*> areq (bulmaRadioFieldList colors) "bulmaRadioFieldList" Nothing
  <*> areq (bulmaCheckboxesField optionsEnum) "bulmaCheckboxesField" Nothing
  <*> areq (bulmaCheckboxesFieldList colors) "bulmaCheckboxesFieldList" Nothing
  <*> areq (bulmaMultiSelectField optionsEnum) "bulmaMultiSelectField" Nothing
  <*> areq (bulmaMultiSelectFieldList colors) "bulmaMultiSelectFieldList" Nothing
  <*  bulmaSubmit (BulmaSubmit ("Submit" :: Text) "btn-default" [("attribute-name", "attribute-value")])

getHomeR :: Handler Html
getHomeR = do
  ((_result, form1), enctype) <- runFormPost basicForm

  defaultLayout
    [whamlet| $newline never
      <section .section>
        <div .container>
          <form method=post action=@{HomeR} enctype=#{enctype}>
            ^{form1}
    |]

postHomeR :: Handler Html
postHomeR = getHomeR

main :: IO ()
main = warp 3100 App