// WPaudio WordPress MP3 Player Plugin (http://wpaudio.com) by Todd Iceton (t@ticeton.com)
// PLAYLIST PATCH: http://argilmore.com/playlist-functionality-wpaudio/
soundManager.debugMode = false;
soundManager.url = wpa_url + '/sm2/';
soundManager.nullURL = wpa_url + '/sm2/null.mp3';
soundManager.useHighPerformance = true;
soundManager.useFastPolling = false;
soundManager.waitForWindowLoad = true;
var wpa = [];
var wpa_id = 0;
// Common functions
function isset(varname) {
  return(typeof(window[varname]) != 'undefined');
}
function wpaBarWidth(id) {
  // Fix bar width for IE and make min width for sub text
  var text_width = jQuery('#wpa' + id + '_text').width();
  var bar_width = (text_width > 109) ? text_width : 110;
  jQuery('#wpa' + id + '_bar').width(bar_width);
  // Fix for IE crapping on inline-block
  if (navigator.userAgent.match(/MSIE/i) || navigator.userAgent.match(/MSIE/i))
    jQuery('#wpa' + id + '_sub').width(bar_width);
}
function wpaTimeFormat(ms) {
  var min = Math.floor(ms / 1000 / 60);
  var sec = Math.floor(ms / 1000 % 60);
  var time_string = min + ':';
  if (sec<10) time_string += '0'; // Add leading 0 to seconds if necessary
  time_string += sec;
  return(time_string);
}
function wpaButtonCheck() {
  if (!this.playState || this.paused)
    jQuery('#' + this.sID + '_play').attr('src', wpa_url + '/wpa_play.gif');
  else
    jQuery('#' + this.sID + '_play').attr('src', wpa_url + '/wpa_pause.gif');
}
// When player is ready, convert wpaudio links to players
soundManager.onready(function(oStatus) {
  if (oStatus.success) {
    var selector = 'a.wpaudio';
    if (isset('wpa_pref_link_mp3') && wpa_pref_link_mp3) selector += ', a[href$="\.mp3"]';
    // Handle the links
    jQuery(selector).each(function() {
      // Add wpaudio class
      jQuery(this).addClass('wpaudio_' + wpa_id);
      // Get url and text
      var dl = jQuery(this).attr('href');
      var url = (jQuery(this).attr('class') && jQuery(this).attr('class').match(/wpaudio_url_\d+/)) ? wpa_urls[jQuery(this).attr('class').match(/wpaudio_url_\d+/)[0].substr(12)] : dl;
      // Check for dl - change link to # or to dl param
      var dl_html = (dl == '#') ? '' : '<a id="wpa' + wpa_id + '_dl" class="wpa_dl" href="' + dl + '">Download</a>';
      // Substitute player html
      jQuery(this).wrapInner('<span id="wpa' + wpa_id + '_text" class="wpa_text"></span>');
      jQuery(this).wrap('<span id="wpa' + wpa_id + '_container" class="wpa_container"></span>');
      jQuery(this).prepend('<img id="wpa' + wpa_id + '_play" class="wpa_play" src="' + wpa_url + '/wpa_play.gif">');
      jQuery('#wpa' + wpa_id + '_container').append('<div id="wpa' + wpa_id + '_bar" class="wpa_bar"><div id="wpa' + wpa_id + '_bar_load" class="wpa_bar_load"></div><div id="wpa' + wpa_id + '_bar_position" class="wpa_bar_position"></div><div id="wpa' + wpa_id + '_bar_click" class="wpa_bar_click"></div></div><div id="wpa' + wpa_id + '_sub" class="wpa_sub"><span class="wpa_time"><span id="wpa' + wpa_id + '_position">0:00</span> / <span id="wpa' + wpa_id + '_duration">0:00</span></span>' + dl_html + '<span id="wpa' + wpa_id + '_dl_info" class="wpa_dl_info">Right-click&nbsp;and save as to download.</span></div>');
      wpaBarWidth(wpa_id);
      // Player settings object
      var wpa_settings = {
        id: 'wpa' + wpa_id,
        url: url,
        // In the following functions, 'this' refers to the player
        whileplaying: function() {
          jQuery('#' + this.sID + '_bar_position').width(this.position/wpa[this.sID.substr(3)].duration*100 + '%');
          jQuery('#' + this.sID + '_position').text(wpaTimeFormat(this.position));
        },
        whileloading: function() {
          wpa[this.sID.substr(3)].duration = (this.bytesLoaded == this.bytesTotal) ? this.duration : this.durationEstimate;
          jQuery('#' + this.sID + '_bar_load').width(this.bytesLoaded/this.bytesTotal*100 + '%');
          jQuery('#' + this.sID + '_duration').text(wpaTimeFormat(wpa[this.sID.substr(3)].duration));
        },
        onplay: wpaButtonCheck,
        onpause: wpaButtonCheck,
        onresume: wpaButtonCheck,
        onstop: wpaButtonCheck,
        onfinish: function() { //Modified for playlist functionality (ARG)

        // Grab the id for this player and the next
        var this_id = parseInt(this.sID.substr(3));
        var id = this_id+1;

        // If this player has the playlist identifier set, then...
        if ( jQuery('.wpaudio_'+this_id).attr('class').match(/wpaudio_playlist_\w+/) ) {

          // Grab the playlist identifier to compare to
          var playlist = jQuery('.wpaudio_'+this_id).attr('class').match(/wpaudio_playlist_\w+/)[0].substr(17);

          // Parse through the players on the page
          while ( id != this_id ) {

            //If this is the last player on the page, then return to the beginning
            if(jQuery('.wpaudio_'+id).length==0)  id=0;

            // If this player has the playlist option set to the same identifier then break the loop
            if( jQuery('.wpaudio_'+id).attr('class').match(/wpaudio_playlist_\w+/) && jQuery('.wpaudio_'+id).attr('class').match(/wpaudio_playlist_\w+/)[0].substr(17) == playlist ) {
            this_id = id;
            break;
            }

            id++;
          }

          // Play the next song
          soundManager.stop(wpa[this_id].sID);
          jQuery('.wpaudio_'+this_id).trigger('click');
        }

    wpaButtonCheck;
        },
        onid3: function() {
          var id = this.sID.substr(3);
          if (jQuery('.wpaudio_' + id).hasClass('wpaudio_readid3')) {
            jQuery('.wpaudio_' + id).removeClass('wpaudio_readid3');
            var text;
            if (this.id3.artist) text = this.id3.artist;
            if (this.id3.artist && this.id3.songname) text += ' - ';
            if (this.id3.songname) text += this.id3.songname;
            jQuery('#wpa' + id + '_text').text(text);
            wpaBarWidth(id);
            this.unload();
          }
        }
      };
      // Initiate player
      wpa.push(soundManager.createSound(wpa_settings));
      // Start load if no text (for id3)
      if (jQuery(this).hasClass('wpaudio_readid3')) wpa[wpa_id].load();
      // Attach click handler - do this here so only links with players get clicks intercepted
      jQuery(this).click(function() {
        // If iPhone/iPod, let the link function normally
        if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPod/i)) return true;
        var id = jQuery(this).parent('.wpa_container').attr('id').split('_',1)[0].substr(3);
        if (!wpa[id].playState || wpa[id].paused) soundManager.pauseAll();
        soundManager.togglePause(wpa[id].sID);
        jQuery('#wpa' + id + '_bar').slideDown('slow', function(){
          jQuery('#wpa' + id + '_sub').fadeIn('slow');
        });
        jQuery('.wpa_container').not('#wpa' + id + '_container').children('.wpa_bar:visible, .wpa_sub:visible').slideUp('slow');
        return false;
      });
      // Increment wpa_id
      wpa_id++;
    });
    // Allow clicks on status bar to jog track
    jQuery('.wpa_bar_click').click(function(e) {
      var id = jQuery(this).attr('id').split('_',1)[0].substr(3);
      if (e.pageX) {
        var percent = (e.pageX - jQuery(this).offset()['left']) / jQuery(this).width();
        // This order is important -- otherwise it will only play, not change position
        if (!wpa[id].playState || wpa[id].paused) {
          soundManager.pauseAll();
          wpa[id].togglePause();
        }
        wpa[id].setPosition(wpa[id].duration * percent);
      }
    });
    // Display download info box
    /*
    jQuery('.wpa_dl').mouseover(function(){
      var id = jQuery(this).attr('id').split('_',1)[0].substr(3);
      if (jQuery('#wpa' + id + '_dl').attr('href'))
        jQuery('#wpa' + id + '_dl_info').css('display', 'inline-block');
    });
    jQuery('.wpa_dl').mouseout(function(){
      var id = jQuery(this).attr('id').split('_',1)[0].substr(3);
      if (jQuery('#wpa' + id + '_dl').attr('href'))
        jQuery('#wpa' + id + '_dl_info').css('display', 'none');
    });
    */
    // Autoplay
    jQuery('.wpaudio_autoplay:first').click();
  }
});
// Preload pause image
var wpa_pause_img = new Image();
wpa_pause_img.src = wpa_url + '/wpa_pause.gif';