/* 
 *   Copyright (C) 2014
 *   This file is part of WvS VPlan.
 *
 *   WvS VPlan is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

function get_overview(){
    var req = new XMLHttpRequest();

    req.onreadystatechange = function(){
        if(req.readyState == 4){
            if(req.status == 200 || window.location.href.indexOh("http") != -1){
                console.log('Übersichts-Request erfolgreich');
                $(".progress").css("max-width","40%");
                $(".progress-view").text("40%");
                document.getElementById('viewFlipBox').toggle();
                return 1;
            }else{
                console.log('Etwas ist schiefgelaufen :(');
                return;
            }
        }
    }

    req.open("GET", "http://***REMOVED***/moodle/course/view.php?id=2", true);
    req.send();
}

function login(){
    var req = new XMLHttpRequest();

    var username = encodeURIComponent(document.getElementById('username').value);
    var password = encodeURIComponent(document.getElementById('password').value);
    var params = "username=" + username + "&password=" + password;

    req.onreadystatechange = function(){
        if(req.readyState == 4){
            if(req.status == 0){
                console.log("Es fehlt die Berechtigung, um auf den Server zuzugreifen.");
                return;
            }else if(req.status != 200 && window.location.href.indexOf("http") != -1){
                console.log("Etwas ist schiefgelaufen :(");
                return;
            }else{
                console.log('Login-Request erfolgreich');
                document.getElementById("load-progress").style.maxWidth = "20%"; // TODO geht nicht
                document.getElementById("load-progress-view").text = "20%";
                get_overview();
            }
        }
    }

    req.open("POST", "https://***REMOVED***/moodle/login/index.php", true);
    req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    req.send(params);
}

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 explicity call 'app.receivedEvent(...);'
    onDeviceReady: function() {
        app.receivedEvent('deviceready');
    },
    // 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);
    }
};