(function ($) {

    var baseUrl = 'http://drupal-7-53.dd:8083';

    var whereAmI = sessionStorage.getItem("whereAmI"); // disi
    var whatNext=sessionStorage.getItem("whatNext");

    var audio = new Audio(),
    i = 0;
    /*  loopLevel = 0 --> Dobrodoslinastr, loopLevel = 1 --> Izbornik , loopLevel = 2 --> Linkovi   */
    var playlist = new Array('/mp3/Upute.mp3', 'mp3/Izbornik.mp3', 'mp3/Linkovi.mp3');
    var flag=true;
    if (whereAmI == undefined) {
        sessionStorage.setItem("whereAmI",'/');
        var welcome = new Audio('/mp3/Dobrodoslinastr.mp3');
        welcome.play();

        setTimeout(function(){
            audio.addEventListener('ended', function () {
                if(flag==false)
                    return;
                i = ++i < playlist.length ? i : 0;
                console.log(i)
                audio.src = playlist[i];
                sessionStorage.setItem("whatNext",i); // i = 0 --> upute , i = 1 --> izbornik , i = 2 --> linkovi
                audio.play();
            }, true);
            audio.volume = 0.3;
            audio.loop = false;
            audio.src = playlist[0];
            audio.play();
        }, 3000);


    }


    Drupal.behaviors.shortcuts = {
        attach: function (context, settings) {


            $('body', context).keydown(function (event) {
                event.preventDefault();

                //rucno utipkavanje nodeova!!!
                //url je vas home page(bez zadnjeg "/"), njega isto unosite rucno!!!
                var url = "http://drupal-7-53.dd:8083"

                var a0 = new Audio('/mp3/Pocetna.mp3');
                var a1 = new Audio('/mp3/Onama.mp3');
                var a2 = new Audio('/mp3/Dokumenti.mp3');
                var a5 = new Audio('/mp3/Korisnici.mp3');
                var a6 = new Audio('/mp3/ElektronickeKomunikacije.mp3');
                var a3 = new Audio('/mp3/RFspektar.mp3');
                var a7 = new Audio('/mp3/Posta.mp3');
                var a8 = new Audio('/mp3/Zeljeznica.mp3');
                var a9 = new Audio('/mp3/Nema.mp3');
                var a10 = new Audio('/mp3/Upute_sve.mp3');

                var node = {
                    0: ['/', '/node/1', '/node/2', '/node/5', '/node/6', '/node/3', '/node/7', '/node/8']
                };

                var audio = {
                    0: [a0, a1, a2, a5, a6, a3, a7, a8, a9]
                }

                whereAmI = sessionStorage.getItem("whereAmI");
                whatNext=sessionStorage.getItem("whatNext");

                var subMenu = sessionStorage.getItem("subMenu");
                if (subMenu == undefined) {
                    subMenu = '/';
                }

                if (event.which == 37 && whatNext!=0 && whatNext!=2) { //lijevi klik
                    sessionStorage.setItem("subMenu",'/');

                    var l = node[0].length;
                    var index = (node[0].indexOf(whereAmI) + l-1) % l;
                    audio[0][index].play();
                    sessionStorage.setItem("whereAmI", node[0][index]);

                } else if (event.which == 39 && whatNext!=0 && whatNext!=2) { //desni klik
                    sessionStorage.setItem("subMenu",'/');

                    var l = node[0].length;
                    var index = (node[0].indexOf(whereAmI) + 1) % l;
                    audio[0][index].play();
                    sessionStorage.setItem("whereAmI", node[0][index]);

                } else if (event.which == 38) { //strelica gore

                    var menu = whereAmI.substring(whereAmI.length, whereAmI.length - 1);

                    if (node[menu] == undefined) {
                        nema.play();
                    } else {
                        var lmenu = node[menu].length;
                        if (!subMenu.localeCompare('/')) {
                            sessionStorage.setItem("subMenu", node[menu][lmenu - 1]);
                            audio[menu][lmenu - 1].play();
                        } else {
                            var index = (node[menu].indexOf(subMenu) + lmenu-1) % lmenu;
                            audio[menu][index].play();
                            sessionStorage.setItem("subMenu", node[menu][index]);
                        }
                    }

                } else if (event.which == 40) { //strelica dolje

                    var menu = whereAmI.substring(whereAmI.length, whereAmI.length - 1);

                    if (node[menu] == undefined) {
                        nema.play();
                    } else {
                        var lmenu = node[menu].length;
                        if (!subMenu.localeCompare('/')) {
                            sessionStorage.setItem("subMenu", node[menu][0]);
                            audio[menu][0].play();
                        } else {
                            var index = (node[menu].indexOf(subMenu) + 1) % lmenu;
                            audio[menu][index].play();
                            sessionStorage.setItem("subMenu", node[menu][index]);
                        }
                    }

                } else if (event.which == 13) { //enter
                    var adresa = url;
                    var loopLevel=sessionStorage.getItem("whatNext")
                    var menu=sessionStorage.getItem("whereAmI");
                    var rmenu=sessionStorage.getItem("subMenu");

                    if (loopLevel==0) {
                        //adresa = 'http://drupal-7-53.dd:8083/node/7';
                        a10.play();
                        sessionStorage.setItem("whatNext", 100);

                    }

                    if (loopLevel==1) {
                        adresa = 'http://drupal-7-53.dd:8083';
                        audio[0][0].play();
                        sessionStorage.setItem("whatNext", 100);
                    } else if(subMenu.localeCompare('/')){
                        adresa = url + rmenu;
                    } else {
                        adresa = url + menu;
                        var ind = node[0].indexOf(menu);
                        //setTimeout(function(){audio[0][ind].play(), 2000})
                        window.location.href = adresa;
                        audio[0][ind].play();
                    }

                    //
                    //audio[0][2].play();
                    flag=false; // flag = false --> prekini čitat petlju na pritisak Enter
                }

            });
        }
    };
}(jQuery));