/**
 * Created by hhuai on 2/12/15.
 */

document.addEventListener('DOMContentLoaded', function(){
    var audio = document.getElementById('audio');
    audio.src="/kiss/res/mua.mp3";
});


var mySource;
if('webkitAudioContext' in window){
    var audio_ctx = new webkitAudioContext();

    function loadMusic(url) {
        var req = new XMLHttpRequest();
        req.open('GET', url, true);
        req.responseType = 'arraybuffer';
        req.addEventListener('load',bufferSound, false);
        req.send();
    }

    function bufferSound(event) {
        var request = event.target;
        audio_ctx.decodeAudioData(request.response, function(buffer){
            var source = audio_ctx.createBufferSource();
            source.buffer = buffer;
            source.connect(audio_ctx.destination);

            // Create a volume (gain) node
            if(typeof audio_ctx.createGainNode === 'function'){
                var volumeNode = audio_ctx.createGainNode();
            } else {
                var volumeNode = audio_ctx.createGain();
            }

            volumeNode.gain.value = 1.0;
            source.connect(volumeNode);
            mySource = source;

            playSound();
        }, function(e){ console.log("Error with decoding audio data" + e)});
    }

    loadMusic("/kiss/res/mua.mp3");
}

function playSound() {
    if(mySource) {
        if(typeof mySource.noteOn === 'function' )
        {mySource.noteOn(0);}
        else
            mySource.start();
    } else {
        var audio = document.getElementById("audio");
        audio.play();
    }
}

document.getElementById("playBtn").addEventListener('click', function(){
    playSound();
});