-- Copyright 2020 The Fuchsia Authors. All rights reserved.
-- Use of this source code is governed by a BSD-style license that can be
-- found in the LICENSE file.


port module Ports exposing
    ( applySettings
    , clearDataAndReload
    , persistModel
    , resizeEditors
    , setMainTabEnabled
    , updateEditors
    )

{-| This module defines ports for communicating with JavaScript.
-}

import Json.Encode as Encode


{-| Sends a value to JavaScript. This is the only port.
-}
port out : Encode.Value -> Cmd msg


command : String -> Encode.Value -> Cmd msg
command cmd value =
    out <|
        Encode.object
            [ ( "command", Encode.string cmd )
            , ( "payload", value )
            ]


persistModel : Encode.Value -> Cmd msg
persistModel model =
    command "persistModel" model


clearDataAndReload : Cmd msg
clearDataAndReload =
    command "clearDataAndReload" Encode.null


applySettings : Encode.Value -> Cmd msg
applySettings settings =
    command "applySettings" settings


setMainTabEnabled : Bool -> Cmd msg
setMainTabEnabled enabled =
    command "setMainTabEnabled" (Encode.bool enabled)


updateEditors : Encode.Value -> Encode.Value -> Encode.Value -> Cmd msg
updateEditors inputMode outputMode options =
    command "updateEditors" <|
        Encode.object
            [ ( "input", inputMode )
            , ( "output", outputMode )
            , ( "options", options )
            ]


resizeEditors : Cmd msg
resizeEditors =
    command "resizeEditors" Encode.null