/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
var app = {
    // Application Constructor
    initialize: function() {
        this.bindEvents();
    },
    // Bind Event Listeners
    //
    // Bind any events that are required on startup. Common events are:
    // 'load', 'deviceready', 'offline', and 'online'.
    bindEvents: function() {
        document.addEventListener('deviceready', this.onDeviceReady, false);
    },
    // deviceready Event Handler
    //
    // The scope of 'this' is the event. In order to call the 'receivedEvent'
    // function, we must explicitly call 'app.receivedEvent(...);'
    onDeviceReady: function() {
        app.receivedEvent('deviceready');
        sip();
    },
    // Update DOM on a Received Event
    receivedEvent: function(id) {
        var parentElement = document.getElementById(id);
        var listeningElement = parentElement.querySelector('.listening');
        var receivedElement = parentElement.querySelector('.received');

        listeningElement.setAttribute('style', 'display:none;');
        receivedElement.setAttribute('style', 'display:block;');

        console.log('Received Event: ' + id);
    }
};


function sip() {
    var SIP = cordova.require("com.onsip.cordova.Sipjs");
    var PhoneRTCMediaHandler = cordova.require("com.onsip.cordova.SipjsMediaHandler")(SIP);
    var mediaOptions = {
        media : {
            constraints: {
                audio: true,
                video: true
            },
            render: {
                local: {
                    video: document.getElementById('localVideo')
                },
                remote: {
                    video: document.getElementById('remoteVideo')
                }
            }
        }
    };

    window.ua = new SIP.UA({
        mediaHandlerFactory: PhoneRTCMediaHandler,
        uri: '1000@192.168.1.26',
        wsServers: ['ws://192.168.1.26:5066'],
        authorizationUser: '1000',
        password: '1234',
        traceSip: true,
        register: true,
        log: {
            builtinEnabled: true,
            level: 2
        }
    });


    window.ua.on('invite', function(_session) {
        if (window.session) {
            alert("Only one call at a time.");
            _session.reject();
            return;
        }
        window.session = _session;
        window.session.accept(mediaOptions);
        window.session.on('terminated', function () {window.session = null;});

    });


    document.getElementById("makeCall").addEventListener("click", function() {
        if (window.session) {
            alert("Only one call at a time.");
            return;
        }
        window.session = window.ua.invite(document.getElementById('target').value, mediaOptions);
        window.session.on('terminated', function () {window.session = null;});
    });
};

app.initialize();