module Page.NewCollection
  ( Model,
    initialModel,
    Action,
    updateModel,
    viewModel,
  )
where

import Api
import Data.Aeson qualified as A
import Data.Text qualified as T
import Form qualified as F
import Miso
import Miso.String (toMisoString)

data Model = Model
  { input :: T.Text
  }
  deriving (Show, Eq)

initialModel :: JSM (Either String Model)
initialModel = do
  pure (Right (Model {input = ""}))

data Action
  = NoOp
  | FormChanged T.Text
  | FormSubmitted T.Text
  | CollectionCreated (Either String ())
  deriving (Eq, Show)

updateModel :: Action -> Model -> Effect Action Model
updateModel NoOp m = noEff m
updateModel (FormChanged input) m = noEff m {input}
updateModel (FormSubmitted collection) m =
  m <# do
    CollectionCreated <$> createCollection (T.unpack collection)
updateModel (CollectionCreated (Left err)) m =
  m <# do
    pure NoOp <* consoleLog (toMisoString err)
-- TODO reload collections in main app
updateModel (CollectionCreated (Right _)) m = noEff m

viewModel :: Model -> View Action
viewModel m = do
  div_ [] $
    [ h3_ [] [text "new collection"],
      either FormChanged FormSubmitted
        <$> F.runForm collectionForm m.input,
      pre_ [] [text (toMisoString (A.encode m.input))],
      pre_ [] [text (toMisoString (A.encode (collectionForm.fill m.input)))]
    ]

collectionForm :: F.Form T.Text T.Text
collectionForm =
  F.input "name"