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

/*
 * jQuery.mb.components: mb.mediaEmbedder
 * version: 1.0- 23-gen-2010 - 55
 * © 2001 - 2010 Matteo Bicocchi (pupunzi), Open Lab
 *
 */

(function ($) {
  $.mb_videoEmbedder = {
    name:"jquery.mb.videoEmbedder",
    version:1.0,
    author:"Matteo Bicocchi",
    defaults: {
      width:450,
      youtube:{
        showTitle:false
      },
      called: false
    },

    regEx:/\[(.*?)\]/g,
    mb_setMovie:function (context, pat, embedString) {
//      console.debug(context);
//      console.debug(pat);
//      console.debug(embedString);
      function findMovieAndEmbed(node, pat, embedString) {
        var skip = 0;
        if (pat.indexOf("&") != -1)
          pat = pat.replace(/&/g, "&");
        if (node.nodeType == 3) {
          var pos = node.data.toUpperCase().indexOf(pat);
          if (pos >= 0) {
            // teoros
            //var embed = $('<span id="test" style="display:none;"/>').addClass("mb_video");
            var embed = $('<span/>').addClass("mb_video");
            var middlebit = node.splitText(pos);
            middlebit.splitText(pat.length);
            embed.append(embedString);
            middlebit.parentNode.replaceChild(embed.get(0), middlebit);
            skip = 1;
          }

        } else if (node.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
          for (var i = 0; i < node.childNodes.length; ++i)
            i += findMovieAndEmbed(node.childNodes[i], pat.toUpperCase(), embedString);
        }
        return skip;
      }

      return context.each(function () {
        findMovieAndEmbed(this, pat.toUpperCase(), embedString);
      });
    },

    mb_embedMovies:function (opt) {
      var context = $(this);
      this.options = {};
      $.extend(this.options, $.mb_videoEmbedder.defaults, opt);

      var html = context.html();
      if(!html)
        return;

      var movies = html.match($.mb_videoEmbedder.regEx);
      if (!movies)
        return;
      $(movies).each(function (i) {
        var pat = movies[i];
        var isYoutube = pat.indexOf("youtube=http://") != -1 || pat.indexOf("youtube=https://") != -1 ;
        var isYoutubeChannel = pat.indexOf("youtube=http://www.youtube.com/user/") != -1 || pat.indexOf("youtube=https://www.youtube.com/user/") != -1 ;
        var isVimeo = pat.indexOf("vimeo=http://") != -1 ||  pat.indexOf("vimeo=https://") != -1;
        // for CORS call
        var isVimeoExternal = pat.indexOf("vimeoext=http://")!= -1 ||  pat.indexOf("vimeoext=https://") != -1;
        var isUstream = pat.indexOf("ustream=http://") != -1;
        var isLivestream = pat.indexOf("livestream=http://") != -1;
        var isFlickr= pat.indexOf("flickr=http://")!=-1;
        var isDailyMotion = pat.indexOf("dailymotion=http://") != -1;
        var isFacebook = pat.indexOf("facebook=http://") != -1 || pat.indexOf("facebook=https://") != -1;

        // FROM:  https://youtu.be/ELGNcMSaKJk
        // TO:    https://www.youtube.com/watch?v=ELGNcMSaKJk
        if(isYoutube)
          pat = pat.replace('youtu.be/', 'youtube.com/watch?v=');

        var stringToParse = pat.replace(/\[/g, "").replace(/\]/g, "");
        //console.log("stringToParse", stringToParse);

        var showTitle = !$.mb_videoEmbedder.defaults.youtube.showTitle ? 0 : 1;
        var vidId =
          isYoutubeChannel ? stringToParse.split("/")[stringToParse.split("/").length - 1] :
            isYoutube || isFacebook ? (stringToParse.match(/[\\?&]v=([^&#]*)/) )[1] :
              isVimeo ? (stringToParse.match(/\d+/))[0] :
                isVimeoExternal ? stringToParse.replace('vimeoext=', '') :
                  isUstream ? (stringToParse.match(/\d+/))[0] :
                    isFlickr?(stringToParse.match(/\d+/))[0] :
                      isLivestream ? (stringToParse.replace("livestream=http://www.livestream.com/", "").toLowerCase()) :
                        isDailyMotion ? (stringToParse.substring(stringToParse.lastIndexOf("/")+1, stringToParse.length)) :
                          null;
        // [facebook=https://www.facebook.com/watch/?v=1080442295448572]
        var embedString = '';

        if(isVimeoExternal) {
        
          //embedString = '<video controls><source src="' + vidId+  '" type="video/mp4"></video>';
          var data = { videoSrc : vidId };
          $.ajax({
            async:false,
            data:data,
            url: contextPath + '/applications/webwork/layout/vimeoExternalViewer.jsp',
            dataType:'html',
            cache:false,
            success: function (html) {
              embedString = html;
              $.mb_videoEmbedder.mb_setMovie(context, pat, embedString);
            }
          });
        

        } else {
          //var ratio=isYoutube?(showTitle==1?80.5:68) : (isVimeo ?  57.5 : 65);
          var ratio = 65;

          var width = $.mb_videoEmbedder.defaults.width;
          var height = Math.ceil((width * ratio) / 100);

          var param = isYoutube ? "&fs=1&rel=0&hd=1&showsearch=0&showinfo=" + showTitle :
            isVimeo ? "&amp;server=vimeo.com&amp;show_title=" + showTitle + "&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1" :
              isUstream ? "?disabledComment=true&amp;autoplay=false" :
                isLivestream ? "&amp;color=0xe8e8e8&amp;autoPlay=false&amp;mute=false" :
                  "";

          vidId = vidId && vidId!='null' ? vidId : "";

          if (isVimeo) {
            //embedString = '<iframe src="http://player.vimeo.com/video/' + vidId + '?badge=0" width="' + width + '" height="' + height + '" frameborder=0 webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>';
            embedString = '<iframe id="vimeo_'+ vidId + '" src="http://player.vimeo.com/video/' + vidId + '?api=1&amp;player_id=vimeo_'+vidId+'&amp;badge=0" width="' + width + '" height="' + height + '" frameborder=0 webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>';

          } else if(isYoutube) {
            embedString = "<iframe src='https://www.youtube.com/embed/" + vidId + "' width='"+width+"' height='"+height+"' frameborder='0' allow='accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture' allowfullscreen></iframe>"

          } else if(isFacebook) {
//            embedString = "<iframe src='https://www.facebook.com/plugins/video.php?href=https%3A%2F%2Fwww.facebook.com%2FAmiciDiTvTcaLadina%2Fvideos%2F1080442295448572%2F&show_text=0&width=560' width='560' height='307' style='border:none;overflow:hidden' scrolling='no' frameborder='0' allowTransparency='true' allowFullScreen='true'></iframe>"
            var fbScript = "https://connect.facebook.net/en_US/sdk.js#xfbml=1&version=v3.2";
            if(!scriptLoaded(fbScript)) {
              var head = document.getElementsByTagName('head')[0];
              var script = document.createElement('script');
              script.type = 'text/javascript';
              script.src = "https://connect.facebook.net/en_US/sdk.js#xfbml=1&version=v3.2";
              head.appendChild(script);
            }
            embedString = "<div id='fb-root'></div>" +
                "<div class='fb-video' data-href='https://www.facebook.com/facebook/videos/"+ vidId + "/' data-width='" + width + "' data-show-text='false'>" +
                "<div class='fb-xfbml-parse-ignore'></div>" +
                "</div>";

          } else {
            var path =
              isUstream ? "http://www.ustream.tv/flash/video/" :
                isLivestream ? "http://cdn.livestream.com/grid/LSPlayer.swf?channel=" :
                  isFlickr?"http://www.flickr.com/apps/video/stewart.swf?photo_id=":
                    isDailyMotion ? "http://www.dailymotion.com/swf/video/" :
                      null;

//          console.log(isYoutube, "path", path);

            embedString =
              '<object width="' + width + '" height="' + height + '" style="position:relative;">' +
                '<param name="movie" value="' + (path && path!='null ' ? path : "") + vidId + (param && param!='null' ? param : "") + '">' +
                '<param name="allowFullScreen" value="true">' +
                '<param name="wmode" value="transparent">' +
                '<param name="allowscriptaccess" value="always">' +
                '<param name="flashvars" value="autoplay=false">' +
                '<embed src="' + path + vidId + param + '"' +
                ' type="application/x-shockwave-flash" ' +
                'wmode="transparent" allowscriptaccess="always" ' +
                'flashvars="autoplay=false"' +
                'allowfullscreen="true" width="' + width + '" height="' + height + '">' +
                '</embed>' +
              '</object>';
          }
        }
//        console.log(embedString);

        if (isYoutube || isVimeo || isFacebook || isUstream || isLivestream || isDailyMotion || isFlickr)
          $.mb_videoEmbedder.mb_setMovie(context, pat, embedString);
      });

      $.mb_videoEmbedder.defaults.called = true;
    }
  };

  $.mb_audioEmbedder = {
    name:"jquery.mb.videoEmbedder",
    version:1.0,
    author:"Matteo Bicocchi",
    playerPath:"media/player.swf",
    defaults:{
      width:300
    },
    regEx:/\[audio=(.*?)\]/g,

    mb_setAudio: function (context, pat, string) {
      function findAudioAndEmbed(node, pat, string) {
        var skip = 0;
        if (pat.indexOf("&AMP;") != -1)
          pat = pat.replace(/&AMP;/g, "&");
        if (node.nodeType == 3) {
          var pos = node.data.toUpperCase().indexOf(pat);
          if (pos >= 0) {
            var embed = $('<span/>').addClass("mb_audio");
            embed.append(string);

            // teoros gestione safari senza quicktime
            if(isSafari && !detectQuickTimePlugin()) {
              embed.bind('click', function() {
                alert('Sorry but Safari requires QuickTime installed to work properly with audio and video!\nChange browser or download it.');
              });
            }
            var middlebit = node.splitText(pos);
            middlebit.splitText(pat.length);
            middlebit.parentNode.replaceChild(embed.get(0), middlebit);
            skip = 1;
          }

        } else if (node.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
          for (var i = 0; i < node.childNodes.length; ++i)
            i += findAudioAndEmbed(node.childNodes[i], pat.toUpperCase(), string);
        }
        return skip;
      }

      return context.each(function () {
        findAudioAndEmbed(this, pat.toUpperCase(), string);
      });
    },

    mb_embedAudio:function (opt) {
      var context = $(this);
      this.options = {};
      $.extend(this.options, $.mb_audioEmbedder.defaults, opt);

      var audiofiles = $(this).html().match($.mb_audioEmbedder.regEx);
      //console.debug(audiofiles)
      if (!audiofiles)
        return;

      $(audiofiles).each(function (i) {
        var pat = audiofiles[i];
        var isAudio = pat.indexOf("audio=") != -1;
        var params = pat.replace(/\[audio=/g, "").replace(/\]/g, "");
        params = params.startsWith('http://') || params.startsWith('https://') || params.startsWith('/') ? params : '/' + params;
        // teoros aggiunta per avere il player minimized (solo tasto play)
        var minimized = false;
        if(params.indexOf(" ")>-1) {
          if(params.indexOf("minimized=true")>-1)
            minimized = true;
          params = params.substring(0, params.indexOf(" "));
        }
        // teoros aggiunta per avere il player minimized (solo tasto play) e con immagine più grande
        var biggerIcons = false;
        if(params.indexOf(" ")>-1) {
          if(params.indexOf("biggerIcons=true")>-1)
            biggerIcons = true;
          params = params.substring(0, params.indexOf(" "));
        }

        /*
         var width = $.mb_audioEmbedder.defaults.width;
         var embedString= '<object codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="'+width+'" height="24" type="application/x-shockwave-flash"' +
         'style="outline: medium 2px; visibility: visible;" ' +
         'data="'+$.mb_audioEmbedder.playerPath+'" type="application/x-oleobject">' +
         '<param name="Movie" value="'+$.mb_audioEmbedder.playerPath+'">'+
         //'<param name="src" value="'+$.mb_audioEmbedder.playerPath+'" >'+
         '<param name="menu" value="false">'+
         '<param name="flashvars" value="soundFile='+params+'">'+
         '<param name="wmode" value="transparent">' +
         '<param name="bgcolor" value="#000">' +
         '<param name="allowscriptaccess" value="always">' +
         '<embed src="'+$.mb_audioEmbedder.playerPath+'" type="application/x-shockwave-flash" ' +
         'wmode="transparent" allowscriptaccess="always" ' +
         'width="'+width+'" height="24"' +
         'flashvars="soundFile='+params+'">' +
         '</embed>' +
         '</object>';
         */

        var fileName = params.split("/")[params.split("/").length - 1];
        if( fileName.indexOf(" ") >-1)
          fileName = fileName.substring(0, fileName.indexOf(" "));

        if (fileName.split(".").length > 2)
          fileName = fileName.split(".")[1];

        if( fileName.indexOf(".") ==-1)
          fileName = params;

        var embedString = "<a href='" + params + "' class='mb_mini_audio_player {autoPlay:false, width:120}'" +
            (minimized ? " data-minimized='true'" : "") +
            (minimized ? " data-biggerIcons='true'" : "") + " >" + fileName + "</a>";
        if (isAudio)
          $.mb_audioEmbedder.mb_setAudio(context, pat, embedString);
      });
    }
  };

  $.fn.mb_embedMovies = $.mb_videoEmbedder.mb_embedMovies;
  $.fn.mb_embedAudio = $.mb_audioEmbedder.mb_embedAudio;

})(jQuery);

function scriptLoaded(url) {
  if (!url)
    return false;
  var scripts = document.getElementsByTagName('script');
  for (var i = scripts.length; i--;) {
    if (scripts[i].src == url)
      return true;
  }
  return false;
}