module Form.Input
  ( input,
  )
where

import Data.Text qualified as T
import Form.Internal
import Miso
import Miso.String (fromMisoString, toMisoString)

input :: String -> Form T.Text T.Text
input label =
  let parse :: T.Text -> Either String T.Text
      parse i =
        let i' = T.strip i
         in if T.null i' then Left "required" else Right i'
   in Form
        { view = \i ->
            [ div_ [] $
                [ label_ [] $
                    [ text (toMisoString label),
                      div_ [] $
                        [ input_
                            [ type_ "text",
                              value_ (toMisoString i),
                              onInput fromMisoString
                            ],
                          div_ [] $
                            [either (text . toMisoString) (\_ -> text "") (parse i)]
                        ]
                    ]
                ]
            ],
          fill = parse
        }