/*******************************************************************************
 jquery.mb.components
 Copyright (c) 2001-2010. Matteo Bicocchi (Pupunzi); Open lab srl, Firenze - Italy
 email: mbicocchi@open-lab.com
 site: http://pupunzi.com

 Licences: MIT, GPL
 http://www.opensource.org/licenses/mit-license.php
 http://www.gnu.org/licenses/gpl.html
 ******************************************************************************/

/*
 * jQuery.mb.components: jquery.mb.YTPlayer
 * version: 1.2.1 - 6-feb-2010 - 43
 * © 2001 - 2010 Matteo Bicocchi (pupunzi), Open Lab
 *
 */

(function($){

    $.mbYTPlayer={
        name:"jquery.mb.YTPlayer",
        version:"1.2.1",
        author:"Matteo Bicocchi",
        width:450,
        controls:{
            play:"<img src='images/play.png'>",
            pause:"<img src='images/pause.png'>",
            mute:"<img src='images/mute.png'>",
            unmute:"<img src='images/unmute.png'>"
        },
        rasterImg:"images/raster.png",
        setYTPlayer:function(){
            var players=this;
            $.getScript("http://ajax.googleapis.com/ajax/libs/swfobject/2/swfobject.js",function(){
                players.each(function(){

                    if(!$(this).is("a")) return;

                    if (!$(this).attr("id")) $(this).attr("id", "YTP_"+new Date().getTime());
                    var ID=$(this).attr("id");

                    var dataObj=$("<span/>");
                    dataObj.attr("id",ID+"_data").hide();
                    var data= dataObj.get(0);

                    data.opacity=1;
                    data.isBgndMovie=false;
                    data.width=$.mbYTPlayer.width;
                    data.quality="default";
                    data.muteSound=false;
                    data.hasControls=false;
                    data.ratio="16/9";
                    data.bufferImg=false;

                    var BGisInit = typeof document.YTPBG != "undefined";

                    if ($.metadata){
                        $.metadata.setType("class");
                        if ($(this).metadata().quality) data.quality=$(this).metadata().quality;
                        if ($(this).metadata().width) data.width=$(this).metadata().width;
                        if ($(this).metadata().opacity) data.opacity=$(this).metadata().opacity;
                        if ($(this).metadata().isBgndMovie && !BGisInit) {
                            data.isBgndMovie=$(this).metadata().isBgndMovie;
                            data.width=$(this).metadata().isBgndMovie.width? $(this).metadata().isBgndMovie.width:"window";
                        }

                        if ($(this).metadata().muteSound) {data.muteSound=$(this).metadata().muteSound;}
                        if ($(this).metadata().hasControls) {data.hasControls=$(this).metadata().hasControls;}
                        if ($(this).metadata().ratio) {data.ratio=$(this).metadata().ratio;}
                        if ($(this).metadata().bufferImg) {data.bufferImg=$(this).metadata().bufferImg;}
                        if ($(this).metadata().ID) {data.ID=$(this).metadata().ID;}
                    }

                    var el= data.ID?$("#"+data.ID):$("body");

                    if(data.width=="window") {
                        data.height="100%";
                        data.width= "100%";
                        if(data.ID){
                            data.height=el.outerHeight()+40;
                            data.width= el.outerWidth();
                        }
                    }
                    else
                        data.height= data.ratio=="16/9" ? Math.ceil((9*data.width)/16):Math.ceil((3*data.width)/4);

                    var videoWrapper="";

                    $(el).append(dataObj);
                    if(data.isBgndMovie){
                        if ($.browser.msie && $.browser.version < 8 || data.ID){
                            var bodyWrapper=$("<div/>").css({position:"relative",zIndex:0});
                            $(el).wrapInner(bodyWrapper);
                            $(el).prepend($(this));
                        }else{
                            $(el).css({position:"relative",zIndex:1});
                            $(el).before($(this));
                        }

                        var pos= data.ID?"absolute":"fixed";

                        videoWrapper=$("<div/>").attr("id","wrapper_"+ID).css({overflow:"hidden",position:pos,left:0,top:0, width:"100%", height:"100%"});
                        $(this).wrap(videoWrapper);
                        if(!data.width.toString().indexOf("%")==-1) {
                            var videoDiv=$("<div/>").css({position:pos,top: data.ratio=="4/3" && !data.ID?-(data.height/4):0,left:0, display:"block", width:data.width, height:data.height});
                            $(this).wrap(videoDiv);
                        }
                    }else{
                        videoWrapper=$("<span/>").attr("id","wrapper_"+ID).css({width:data.width, height:data.height, position:"relative"}).addClass("mb_YTVPlayer");
                        $(this).wrap(videoWrapper);
                    }

                    var params = { allowScriptAccess: "always", wmode:"transparent", allowFullScreen:"true" };
                    var atts = { id: ID };
                    data.movieURL=($(this).attr("href").match( /[\\?&]v=([^&#]*)/))[1];

                    //swfobject.embedSWF(swfUrl, id, width, height, version, expressInstallSwfurl, flashvars, params, attributes, callbackFn)
                    swfobject.embedSWF("http://www.youtube.com/apiplayer?enablejsapi=1&version=3&playerapiid="+ID,ID, data.width, data.height, "8", null, null, params, atts);
                });
            });
        },
        setMovie: function(){
					
            var player = $(this).get(0);
            var data = $("#"+player.id+"_data").get(0);
            var BGisInit = typeof document.YTPBG != "undefined";
            var movieID= data.movieURL;

            $(player).css({opacity:data.opacity});
            var pos= data.ID?"absolute":"fixed";

            var bufferImg=data.bufferImg?$("<div/>").addClass("mbYTP_bufferImg").css({position:pos,top:0,left:0,width:"100%",height:"100%",background:"url("+data.bufferImg+")"}).hide():false;
            var playerContainer=$(player).parents("div:first");
            var raster=$("<div/>").addClass("mbYTP_raster").css({position:pos,top:0,left:0,width:"100%",height:"100%",background:"url("+$.mbYTPlayer.rasterImg+")"}).hide();
            if (data.bufferImg) $(playerContainer).after(bufferImg);
            //if it is as background
            if(data.isBgndMovie && !BGisInit){
                if ($.mbYTPlayer.rasterImg && $("mbYTP_raster").length==0){
									$(playerContainer).append(raster);
								}

                //can't be more than one bgnd
                if(!data.ID) document.YTPBG=true;
                player.loadVideoByUrl("http://www.youtube.com/v/"+movieID, 0);
                if (data.isBgndMovie.mute) player.mute();
            }else{
                $(playerContainer).after(bufferImg);
                player.cueVideoByUrl("http://www.youtube.com/v/"+movieID, 0);
                $(player).buildYTPControls();
            }

            //player.setPlaybackQuality(data.quality);
            player.addEventListener("onStateChange", '(function(state) { return playerState(state, "' + player.id + '"); })');
        },
        changeMovie:function(url){
            var player = $(this).get(0);
            var data = $("#"+player.id+"_data").get(0);
            data.movieURL=(url.match( /[\\?&]v=([^&#]*)/))[1];
            player.loadVideoByUrl("http://www.youtube.com/v/"+data.movieURL, 0);
        },
        getPlayer:function(){
            return this.get(0);
        },
        playYTP: function(){
            var player= $(this).get(0);
            var playBtn=$(player).parent().find(".mb_YTVPPlaypause");
            playBtn.html($.mbYTPlayer.controls.pause);
            player.playVideo();
        },
        stopYTP:function(){
            var player= $(this).get(0);
            var playBtn=$(player).parent().find(".mb_YTVPPlaypause");
            playBtn.html($.mbYTPlayer.controls.play);
            player.pauseVideo();
        },
        pauseYTP:function(){
            var player= $(this).get(0);
            var playBtn=$(player).parent().find(".mb_YTVPPlaypause");
            playBtn.html($.mbYTPlayer.controls.play);
            player.pauseVideo();

        },
        // todo
        setYTPVolume:function(val){
            var player= $(this).get(0);
            var VolumeBtn=$(player).parent().find(".mb_YTVPVolume");
            player.setVolume(val);

        },
        muteYTPVolume:function(){
            var player= $(this).get(0);
            var muteBtn=$(player).parent().find(".mb_YTVPMuteUnmute");
            muteBtn.html($.mbYTPlayer.controls.unmute);
            player.mute();

        },
        unmuteYTPVolume:function(){
            var player= $(this).get(0);
            var muteBtn=$(player).parent().find(".mb_YTVPMuteUnmute");
            muteBtn.html($.mbYTPlayer.controls.mute);
            player.unMute();

        },
        manageYTPProgress:function(){
            var player= $(this).get(0);
            var YTPlayer= $(player).parent(".mb_YTVPlayer");
            var progressBar= YTPlayer.find(".mb_YTVPProgress");
            var loadedBar=YTPlayer.find(".mb_YTVPLoaded");
            var timeBar=YTPlayer.find(".mb_YTVTime");
            var totW= progressBar.outerWidth();

            var startBytes= player.getVideoStartBytes();
            var totalBytes= player.getVideoBytesTotal();
            var loadedByte= player.getVideoBytesLoaded();
            var currentTime=Math.floor(player.getCurrentTime());
            var totalTime= Math.floor(player.getDuration());
            var timeW= (currentTime*totW)/totalTime;
            var startLeft=0;

            if(startBytes) {
                startLeft=player.timeW;
            }

            var loadedW= (loadedByte*(totW-startLeft))/totalBytes;
            loadedBar.css({left:startLeft, width:loadedW});
            timeBar.css({left:0,width:timeW});
            return {totalTime:totalTime,currentTime: currentTime};
        },
        buildYTPControls:function(){
            var player= $(this).get(0);
            if (typeof player.isInit != "undefined") return;
            player.isInit=true;
            var YTPlayer= $(this).parent(".mb_YTVPlayer");
            var controlBar=$("<span/>").addClass("mb_YTVPBar").css({whiteSpace:"noWrap",position:"absolute"}).hide();
            var playpause =$("<span>"+$.mbYTPlayer.controls.play+"</span>").addClass("mb_YTVPPlaypause").click(function(){
                if(player.getPlayerState()== 1){
                    $(player).pauseYTP();
                }else{
                    $(player).playYTP();
                }
            });
            var MuteUnmute=$("<span>"+$.mbYTPlayer.controls.mute+"</span>").addClass("mb_YTVPMuteUnmute").click(function(){
                if(player.isMuted()){
                    $(player).unmuteYTPVolume();
                }else{
                    $(player).muteYTPVolume();
                }
            });
            var idx=$("<span/>").addClass("mb_YTVPTime");
            var progressBar =$("<div/>").addClass("mb_YTVPProgress").css("position","absolute").click(function(e){
                timeBar.css({width:(e.clientX-timeBar.offset().left)});
                player.timeW=e.clientX-timeBar.offset().left;
                YTPlayer.find(".mb_YTVPLoaded").css({width:0});
                var totalTime= Math.floor(player.getDuration());
                player.goto=(timeBar.outerWidth()*totalTime)/progressBar.outerWidth();
                player.seekTo(player.goto, true);
                YTPlayer.find(".mb_YTVPLoaded").css({width:0});
            });
            var loadedBar = $("<div/>").addClass("mb_YTVPLoaded").css("position","absolute");
            var timeBar = $("<div/>").addClass("mb_YTVTime").css("position","absolute");
            progressBar.append(loadedBar).append(timeBar);
            controlBar.append(playpause).append(MuteUnmute).append(idx).append(progressBar);
            YTPlayer.append(controlBar);

            YTPlayer.hover(function(){
                controlBar.fadeIn();
                clearInterval(player.getState);
                player.getState=setInterval(function(){
                    var prog= $(player).manageYTPProgress();
                    $(".mb_YTVPTime").html($.mbYTPlayer.formatTime(prog.currentTime)+" / "+ $.mbYTPlayer.formatTime(prog.totalTime));
                    if(player.getPlayerState()== 1 && $(".mb_YTVPPlaypause").html()!=$.mbYTPlayer.controls.pause) YTPlayer.find(".mb_YTVPPlaypause").html($.mbYTPlayer.controls.pause);
                    if(player.getPlayerState()== 2) YTPlayer.find(".mb_YTVPPlaypause").html($.mbYTPlayer.controls.play);
                },500);
            },function(){
                controlBar.fadeOut();
                clearInterval(player.getState);
            });
        },
        formatTime: function(s){
            var min= Math.floor(s/60);
            var sec= Math.floor(s-(60*min));
            return (min<9?"0"+min:min)+" : "+(sec<9?"0"+sec:sec);
        }
    };

    $.fn.mb_YTPlayer = $.mbYTPlayer.setYTPlayer;
    $.fn.mb_setMovie = $.mbYTPlayer.setMovie;
    $.fn.mb_changeMovie = $.mbYTPlayer.changeMovie;

    $.fn.getPlayer = $.mbYTPlayer.getPlayer;
    $.fn.buildYTPControls = $.mbYTPlayer.buildYTPControls;
    $.fn.playYTP = $.mbYTPlayer.playYTP;
    $.fn.stopYTP = $.mbYTPlayer.stopYTP;
    $.fn.pauseYTP = $.mbYTPlayer.pauseYTP;
    $.fn.muteYTPVolume = $.mbYTPlayer.muteYTPVolume;
    $.fn.unmuteYTPVolume = $.mbYTPlayer.unmuteYTPVolume;
    $.fn.manageYTPProgress = $.mbYTPlayer.manageYTPProgress;


	$.fn.changeMovie=function(url){
		var player = $(this).get(0);
		var data = $("#"+player.id+"_data").get(0);
		data.movieURL=(url.match( /[\\?&]v=([^&#]*)/))[1];
		player.loadVideoByUrl("http://www.youtube.com/v/"+data.movieURL, 0);
	};

	$.fn.changeVolume=function(val){
		var player = $(this).get(0);
		var data = $("#"+player.id+"_data").get(0);
		if(!val && !data.vol && player.getVolume()==0)
			data.vol=100;
		else if((!val && player.getVolume()>0) || (val && player.getVolume()==val))
			data.vol=0;
		else
			data.vol=val;
		player.setVolume(data.vol);
	};

})(jQuery);

function onYouTubePlayerReady(playerId) {
    var player=$("#"+playerId);
    player.mb_setMovie();
}

function playerState(state, el) {
    var player=$("#"+el).get(0);
    var data = $("#"+player.id+"_data").get(0);
    if (state==0 && data.isBgndMovie) {
        player.playVideo();
    }
    if ((state==-1 || state==3) && data.isBgndMovie) {
        $(player).css({opacity:0});
        $(".mbYTP_raster").css({opacity:.5,backgroundColor:"black"}).fadeIn();
        $(".mbYTP_bufferImg").css({opacity:.2}).fadeIn();
        if (!$.browser.msie){
            $("#wrapper_"+player.id).css({opacity:0});
        }
    }
    if (state==1 && data.isBgndMovie) {
        $(player).css({opacity:data.opacity});
        $(".mbYTP_raster").css({opacity:1,backgroundColor:"transparent"});
        $(".mbYTP_bufferImg").fadeOut();
        if (!$.browser.msie)
            $("#wrapper_"+player.id).animate({opacity:1},1000);
    }

    if(state==1 && !data.isBgndMovie)
        player.totalBytes=player.getVideoBytesTotal();

    if (state==0 && !data.isBgndMovie) {
        $(player).stopYTP();
    }
}