/*
 * Copyright (c) 2018 TOYOTA MOTOR CORPORATION
 * Copyright (C) 2016 The Qt Company Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import QtQuick 2.6
import QtQuick.Layouts 1.1
import QtQuick.Controls 2.0
import QtWebSockets 1.0

ApplicationWindow {
    id: window

    title: "HUD Tbt Demo"
    width: 1920
    height: 1080

    visible: true

    property string api_str: "naviapi"
    property string verb_subscribe: "subscribe"
    property string verb_getcurretdirstate: "navicore_getcurrentdestdir"
    property string event_getdestdir: "naviapi/navicore_getdestdir"
    property string event_cancelguidance: "naviapi/navicore_cancelguidance"
    property string nodirection_str:"0"
    property string arrivedirection_str:"12"
    property var msgid_enu: { "call":2, "retok":3, "reterr":4, "event":5 }
    property string request_str: ""
    property string status_str: ""

    property double state: 0
    WebSocket {
        id: websocket
        url: bindingAddress
		
        onStatusChanged: {
            if (websocket.status === WebSocket.Error){
                console.log ("Error: " + websocket.errorString)
                websocket.active = false
            }else if (websocket.status === WebSocket.Open){
                console.log ("Socket Open")
                do_getcurrentdirstate()
                do_subscribe("getdestdir")
                do_subscribe("cancelguidance")
            }else if (websocket.status === WebSocket.Closed){
                console.log ("Socket closed")
            }
        }
        onTextMessageReceived: {
            var message_json = JSON.parse(message)

            console.log ("Raw response: " + message)
            console.log ("JSON response: " + message_json)

            if (message_json[0] === msgid_enu.event){

                if(message_json[2].event === event_getdestdir)
                {
                    var state = message_json[2].data.state
                    tbt_board.state = state
                    console.log ("state is ok !")
                    if (tbt_board.state === arrivedirection_str)
                    {
                        clear_timer.start()
                        console.log ("clear arrive direction state 12 is ok !")
                    }
                }
                else if(message_json[2].event === event_cancelguidance)
                {
                    tbt_board.state = nodirection_str
                }
            }
            else if(message_json[0] === msgid_enu.retok){
                if (message_json[2].request.info === verb_getcurretdirstate){
                    var currentdirstate = message_json[2].response[0].CurrentDirState
                    tbt_board.state = currentdirstate
                    console.log ("get current state is ok !")
                }
            }

            else{
                if (message_json[0] !== msgid_enu.retok) {
                    console.log ("Return value is not ok !")
                    return
                }
            }
			/* refresh happen */
        }
        active: true
    }
    //get current direction state
    function do_getcurrentdirstate() {
        request_str = '[' + msgid_enu.call + ',"99999","' + api_str+'/'+verb_getcurretdirstate + '", {} ]'
        console.log (request_str)
        websocket.sendTextMessage (request_str)

    }
	//subscribe
    function do_subscribe( event ) {
        request_str = '[' + msgid_enu.call + ',"99999","' + api_str+'/'+verb_subscribe + '", {"value":"' + event + '"} ]'
        console.log (request_str)
        websocket.sendTextMessage (request_str)
    }
    TbtBoard {
        id: tbt_board
        z: 1
        visible: true
        anchors.fill: parent
    }
    Timer {
        id: clear_timer
        repeat: false
        interval: 5000
        triggeredOnStart: false
        onTriggered: {
            tbt_board.state = nodirection_str
        }
    }

}