module Main exposing (main)

import Browser
import Html exposing (Html)
import Html.Events exposing (onInput)
import Bergamot.Syntax exposing (..)
import Bergamot.Search exposing (..)
import Bergamot.Rules exposing (..)
import Bergamot.Parser exposing (..)
import Maybe
import Tuple
import Debug

type alias Model = { program : String }
type alias Flags = ()
type Msg
    = SetProgram String

init : Flags -> (Model, Cmd Msg)
init () = ({ program = "" }, Cmd.none)

view : Model -> Html Msg
view m = Html.div []
    [ Html.textarea [ onInput SetProgram ] []
    , Html.p [] [ Html.text (Debug.toString (run program m.program)) ]
    ]

update : Msg -> Model -> (Model, Cmd Msg)
update msg m =
    case msg of
        SetProgram prog -> ({ m | program = prog }, Cmd.none)

subscriptions : Model -> Sub Msg
subscriptions _ = Sub.none

main =
    Browser.element
        { init = init
        , view = view
        , update = update
        , subscriptions = subscriptions
        }