/* 
	WPaudio WordPress MP3 Player Plugin (http://wpaudio.com) 
	Copyright 2009 Todd Iceton (t@ticeton.com)
*/

soundManager.debugMode = false;
soundManager.url = wpa_url + '/sm2/';
soundManager.nullURL = wpa_url + '/sm2/null.mp3';
soundManager.useHighPerformance = true;
soundManager.useFastPolling = false;
soundManager.waitForWindowLoad = true;

// When player is ready, add wpa clip objects to wpa array. Show error if error.
soundManager.onready(function(oStatus){
	if (oStatus.success && isset('wpa_params')) {
		for (i in wpa_params) {
			wpa.push(new wpaClip(wpa_params[i]));
			jQuery('#wpa' + i + '_placeholder').hide();
		}
	}
});
soundManager.onerror(function(){
	jQuery('.wpa_placeholder').innerHTML('<br>WPaudio Player could not load.  Do you have <a href="http://get.adobe.com/flashplayer/">Adobe Flash</a> installed?');
});

// Wpa clip object
function wpaClip(params) {
	this.id = params.id;
	this.url = params.url;
	this.text = params.text;
	this.dl = params.dl;
	this.duration = 0;
	this.player = soundManager.createSound({
		id: 'wpa' + this.id,
		url: this.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));
		},
		onid3: function() {
			if (wpa[this.sID.substr(3)].text)
				return;
			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;
			wpa[this.sID.substr(3)].textChange(text);
			this.unload();
		},
		onplay: function() {wpa[this.sID.substr(3)].buttonCheck();},
		onpause: function() {wpa[this.sID.substr(3)].buttonCheck();},
		onresume: function() {wpa[this.sID.substr(3)].buttonCheck();},
		onstop: function() {wpa[this.sID.substr(3)].buttonCheck();}
	});
	// If text is not presupplied, load to get id3
	if (!this.text) this.player.load();

	// Change meta text and set bar width
	this.textChange = function(text) {
		this.text = text;
		jQuery('#wpa' + this.id + '_meta').text(text);
		this.barWidth();
	};
	// Play or pause
	this.play = function() {
		// Pause any other playing players if this player is stopped, about to play, and handle button image
		if (!this.player.playState || this.player.paused) soundManager.pauseAll();
		soundManager.togglePause(this.player.sID);
		this.show();
	};
	this.show = function() {
		var id = this.id;
		if (wpa_pref_bar) {
			jQuery('#wpa' + id + '_bar').slideDown('slow', function(){
				if (wpa_pref_sub) {
					jQuery('#wpa' + id + '_sub').fadeIn('slow');
				}
			});
		}
	}
	// Jog track
	this.jog = function(percent) {
		if (!this.player.playState || this.player.paused) this.play();
		this.player.setPosition(this.duration * percent);
	}
	// Check button for css sprite
	this.buttonCheck = function() {
		if (!this.player.playState || this.player.paused) 
			jQuery('#wpa' + this.id + '_play').css('backgroundPosition', '0px 0px');
		else
			jQuery('#wpa' + this.id + '_play').css('backgroundPosition', '0px 15px');
	}
}

// Add click handlers for play button and jog bar
jQuery(document).ready(function() {
	jQuery('.wpa_play').click(function(){
		if (!wpa.length) {
			soundManager.reboot();
			setTimeout('wpa[' + jQuery(this).attr('id').split('_',1)[0].substr(3) + '].play();', 100);
		}
		else wpa[jQuery(this).attr('id').split('_',1)[0].substr(3)].play();
	});
	jQuery('.wpa_meta_link').click(function(){
		// If iPhone/iPod, let the link function normally
		if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPod/i)) return true;
		if (!wpa.length) soundManager.reboot();
		wpa[jQuery(this).attr('id').split('_',1)[0].substr(3)].play();
		return false;
	});
	jQuery('.wpa_bar_click').click(function(e){ //DONE
		// Allow clicks on status bar to jog track
		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();
			wpa[id].jog(percent);
		}
	});
});

function isset(varname){ // For checking user-set variables
	return(typeof(window[varname])!='undefined');
}
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);
}