// all responses from the audio player are channeled through successCallback and errorCallback

// initialize the audio player - call after 'deviceready' event is fired
window.audioplayer.configure( successCallback, failureCallback);

// play a stream
window.audioplayer.playstream( successCallback,
                               failureCallback,
                               // stream urls to play on android/ios
                               {
                                 android: "http://fm939.wnyc.org/wnycfm-app.aac",
                                 ios: "http://fm939.wnyc.org/wnycfm-app.aac"
                               },
                               // metadata used for iOS lock screen, Android 'Now Playing' notification
                               {
                                 "title": "Cuomo; NJ Candidates; and Candy Etiquette",
                                 "artist": "The Brian Lehrer Show",
                                 "image": {
                                   "url": "https://media2.wnyc.org/i/300/300/l/80/1/governor_andrew_cuomo.jpg"
                                 },
                                 "imageThumbnail": {
                                   "url": "https://media2.wnyc.org/i/60/60/l/80/1/governor_andrew_cuomo.jpg"
                                 },
                                 "name": "WNYC 93.9 FM",
                                 "description": "News, Culture & Talk"
                               },
                               // javascript-specific json represenation of audio to be played, which will be passed back to
                               // javascript via successCallback when a stream is launched from a local notification (eg, the
                               // alarm clock
                               extra
                             );

// play a file - looks first for the file on device, in the app's Documents/audio directory, and if not found there, plays the url
window.audioplayer.playfile( successCallback,
                             failureCallback,
                             "http://www.podtrac.com/pts/redirect.mp3/audio.wnyc.org/moneytalking/moneytalking20141031pod.mp3",
                             // metadata used for iOS lock screen, Android 'Now Playing' notification
                             {
                               "title": "The Myth of the Self-Driving Car",
                               "artist": "Money Talking",
                               "image": {
                                 "url": "https://media2.wnyc.org/i/1500/1208/c/80/1/google_self_driving_car_1.jpg"
                               },
                               "imageThumbnail": {}
                             },
                             10, // position in track 10=10 seconds
                             extra // not currently used
                           );

// pause audio playback
window.audioplayer.pause( successCallback, failureCallback);

// pause audio playback
window.audioplayer.stop( successCallback, failureCallback);

// seek forward in on-demand track
window.audioplayer.seek( successCallback, failureCallback, 10 ); // 10=10 seconds (verify this...)

// seek backward in on-demand track
window.audioplayer.seek( successCallback, failureCallback, -10 ); // -10=-10 seconds

// seek to a specific position in on-demand track
window.audioplayer.seekto( successCallback, failureCallback, 20 ); // 20=20 seconds

// request state of audio player
window.audioplayer.getaudiostate( successCallback, failureCallback ); // state returned via successCallback

// set audio player meta data (for lock screen on iOS) -- call this to change metadata for currently playing audio
window.audioplayer.setaudioinfo( successCallback,
                                 failureCallback,
                                 // metadata used for iOS lock screen, Android 'Now Playing' notification
                                 {
                                   "title": "Cuomo; NJ Candidates; and Candy Etiquette",
                                   "artist": "The Brian Lehrer Show",
                                   "image": {
                                     "url": "https://media2.wnyc.org/i/300/300/l/80/1/governor_andrew_cuomo.jpg"
                                   },
                                   "imageThumbnail": {
                                     "url": "https://media2.wnyc.org/i/60/60/l/80/1/governor_andrew_cuomo.jpg"
                                   },
                                   "name": "WNYC 93.9 FM",
                                   "description": "News, Culture & Talk"
                                 },
                               );

// callback method
var successCallback = function(result) {
  console.log('audio callback ' + JSON.stringify(result));
  if (result.type==='progress') {
    console.log('progress/duration/available - ' + result.progress + '/' + result.duration + '/' + result.available); // available not currently supported
  } else if (result.type==='state') {
    console.log('status - ' + result.state + '/' + result.description);
  } else if (result.type==='error') {
    console.log('error - ' + result.reason);
  } else if (result.type==='current') {
    console.log('current audio ' + JSON.stringify(result.audio));
  } else if (result.type==='next') {
    console.log('skip to next audio track'); // typically fired by remote control/lock screen controls
  } else if (result.type==='previous') {
    console.log('skip to previous track'); // typically fired by remote/control/lock screen controls
  } else {
    console.log('AudioCallback unhandled type (' + result.type + ')');
  }
};

// audio states
MEDIA_NONE      : 0
MEDIA_STARTING  : 1
MEDIA_RUNNING   : 2
MEDIA_PAUSED    : 3
MEDIA_STOPPED   : 4
MEDIA_LOADING   : 5
MEDIA_COMPLETED : 6