jQuery(function($) {


	google.load("feeds", "1",{"callback" : initializeBR});
	//initializeBR();

			/**
			 * printf() for Javascript
			 */
			function sprintf() {
                if( sprintf.arguments.length < 2 ) {
                    return;
                }
                var data = sprintf.arguments[ 0 ];
                for( var k=1; k<sprintf.arguments.length; ++k ) {
                    switch( typeof( sprintf.arguments[ k ] ) ){
                        case 'string':
                            data = data.replace( /%s/, sprintf.arguments[ k ] );
                            break;
                        case 'number':
                            data = data.replace( /%d/, sprintf.arguments[ k ] );
                            break;
                        case 'boolean':
                            data = data.replace( /%b/, sprintf.arguments[ k ] ? 'true' : 'false' );
                            break;
                            default:
                           /// function | object | undefined
                        break;
                    }
                }
                return(data);
            }
            if( !String.sprintf ) {
            	String.sprintf = sprintf;
            }


            /**
             * generate text showing the age of the bookmark's latest post
             */
            function getAge(days, hours){
                if (days > 1) {
                    return String.sprintf("%d days ago", days);
                } else if (days==1){
                	return "yesterday ";
                } else if (days< 1 && hours > 1) {
                	return String.sprintf("%d hrs ago", hours);
                } else if (days< 1 && hours == 1) {
                	return "in the last hour";
                } else if (days < 1 && hours < 1) {
                	return "just recently";
                }
            }
            /* add age and other info to bookmark*/
            function addAge(feed, bookmark, anchor, divID, previewtoggle, last_posttitle){
                var $li =$(bookmark),
                 $a =$(anchor),
                 $toggle =$(previewtoggle),
                 $title =$(last_posttitle),
                 now = (new Date()).getTime(),
                 then = (new Date()).getTime(),
                 ageInDays,
                 ageInHours,
                 randomAge,
                 ageMsg=[],
                 $snippet,
                 entry;
                entry = feed.entries[0]
                /*,entry1= feed.entries[1] */;
                try {
                    then = new Date(entry.publishedDate).getTime();
                } catch (dateException) {
                    // do noting
                }
                
                ageInDays =  Math.floor((now-then)/(1000*60*60*24)),
                ageInHours = Math.floor((now-then)%(1000*60*60*24)/3600000);

                try {
                    $entryTitle =$("<p></p>").html(entry.title);
                    $a.attr({title: $entryTitle.html()});
                } catch (titleException) {
                    $a.attr({title: ""});
                }
				if (!isNaN(then)){
					// insert age into list-item to allow sorting by age of post
                    $li.attr({age:then});
				} else {
		            /* add "very old" age to bookmarks with no feed-url */
					randomAge = Math.floor(Math.random()*1000001);
					$li.attr({age:randomAge});
				}

                                                return;
            }
            /* add "very old" age to bookmarks with no feed-url */
            function addZeroAge(zeroAgeBookmark){
                var $zali =$(zeroAgeBookmark),
                randomAge = Math.floor(Math.random()*1000001);
                if ($zali !== null ) {
                    $zali.attr({age:randomAge});
                }
                return;
            }

            /* add jQuery-oberserver to enable mouse-clicks*/
            function addFeedControl(preview, feed, name){
                    var feedControl = new google.feeds.FeedControl();
                    feedControl.addFeed(feed, name);
                    feedControl.draw($(preview).get(0));
            }

			/*
			 *
			 */
            function feedreading_limit_display(){ 				$.each($("#feedreading_blogroll_ > li"), function(i, $element){
					if(i > -1){
						$($element).css("display","none");
					}
				});
        						$.each($("#single-3_feedreading_blogroll_ > li"), function(iSingle3, $elementSingle3){
					if(iSingle3 > -1){
						$($elementSingle3).css("display","none");
					}	
				});
			        }
            /*
             * Sort the blogroll with tsort()
             */
            function feedreading_automatic_sort() { 					var $allCompleted=false, $hasCompleteAge=true, isComplete=false 
					,						$hasCompleteAgeSingle3=true, isCompleteSingle3=false
											;
					$.each($("#feedreading_blogroll_ >li"), function(idx, $elem) {
						var $age_ = $($elem).attr("age");
						if ($age_ === null || $age_ == "" || isNaN($age_)) {
							$hasCompleteAge = false;
						}
					});  
						$.each($("#single-3_feedreading_blogroll_ > li"), function(idx_single3, $elem_single3) {
							var $age_single3 = $($elem_single3).attr("age");
							if ($age_single3 === null || $age_single3 == "" || isNaN($age_single3)) {
								$hasCompleteAgeSingle3 = false;
							}
						});


						if ($hasCompleteAgeSingle3 && !isCompleteSingle3) {
							$("#single-3_feedreading_blogroll_ > li").tsort({order:"desc",attr:"age"});
							isCompletesingle3=true;
						}
												if ($hasCompleteAge && !isComplete){
							$("#feedreading_blogroll_ > li").tsort({order:"desc",attr:"age"});
							isComplete=true;
						}

						
					$allCompleted = $hasCompleteAge 
					 && 							$hasCompleteAgeSingle3							;							
					if ($allCompleted) {
						clearInterval(myInterval);
																	}
					            }

	function feedreading_rolling(){
						var
							$blogroll_all= $('#feedreading_blogroll_'), $blogroll_all_size= $blogroll_all.find('li').size(), $blogroll_all_limit = ($blogroll_all_size>5)? (5): ($blogroll_all_size-1)
			 ,			$single_blogroll_3 = $('#single-3_feedreading_blogroll_'), $single_blogroll_3_size=$single_blogroll_3.find('li').size() , $single_blogroll_3_limit = ($single_blogroll_3_size>5)? (5): ($single_blogroll_3_size-1) 

						;
			
						$('#feedreading_blogroll_ > li').css("display","none");
			$blogroll_all.feedReadingBlogrollSpy($blogroll_all_limit,4000);
						
						if ($single_blogroll_3_size > 1) {
				$("#single-3_feedreading_blogroll_ > li").css("display","none");
				$single_blogroll_3.feedReadingBlogrollSpy($single_blogroll_3_limit,4000);
			}

				}

            /*
             * add observer to blogroll()
             */
	function feedreading_category_observer() {
	    		$("ul.feedreading_blogroll_bookmarklist").bind("mouseenter",function(event){
			var $eventTarget =$(event.target);
			$eventTarget.parents(".feedreading_blogroll_bookmarklist").addClass("mouseover");
		});
		$("ul.feedreading_blogroll_bookmarklist").bind("mouseleave",function(event){
			var $eventTarget =$(event.target);
			$eventTarget.parents(".feedreading_blogroll_bookmarklist").removeClass("mouseover");
		});
	}
			
      function initializeBR() { 						var 					feed14 = new google.feeds.Feed("http://feeds.feedburner.com/marcelayres")
					,					feed13 = new google.feeds.Feed("http://feeds2.feedburner.com/tarciziosilva")
					,					feed17 = new google.feeds.Feed("http://www.midiassociais.blog.br/feed")
					,					feed12 = new google.feeds.Feed("http://feeds.feedburner.com/imagem-papel-e-furia")
					,feed_single317  = new google.feeds.Feed("http://www.midiassociais.blog.br/feed")
						,feed_single312  = new google.feeds.Feed("http://feeds.feedburner.com/imagem-papel-e-furia")
						,feed_single314  = new google.feeds.Feed("http://feeds.feedburner.com/marcelayres")
						,feed_single313  = new google.feeds.Feed("http://feeds2.feedburner.com/tarciziosilva")
						;                      	addZeroAge("#feedreading_bookmark_19");
                                                                                feed14.load(function(result_14){
                                      if (!result_14.error) {
                                      addAge(result_14.feed, "#feedreading_bookmark_14", "#feedreading_anchor_14", "#feedreading_info_14", "#feedreading_previewtoggle_14", "#frbl_last_posttitle_14");
						} else {
                  			addZeroAge("#feedreading_bookmark_14");
              			}
                                      });
                                                                                feed13.load(function(result_13){
                                      if (!result_13.error) {
                                      addAge(result_13.feed, "#feedreading_bookmark_13", "#feedreading_anchor_13", "#feedreading_info_13", "#feedreading_previewtoggle_13", "#frbl_last_posttitle_13");
						} else {
                  			addZeroAge("#feedreading_bookmark_13");
              			}
                                      });
                                                                	addZeroAge("#feedreading_bookmark_18");
                                                                                feed17.load(function(result_17){
                                      if (!result_17.error) {
                                      addAge(result_17.feed, "#feedreading_bookmark_17", "#feedreading_anchor_17", "#feedreading_info_17", "#feedreading_previewtoggle_17", "#frbl_last_posttitle_17");
						} else {
                  			addZeroAge("#feedreading_bookmark_17");
              			}
                                      });
                                                                                feed12.load(function(result_12){
                                      if (!result_12.error) {
                                      addAge(result_12.feed, "#feedreading_bookmark_12", "#feedreading_anchor_12", "#feedreading_info_12", "#feedreading_previewtoggle_12", "#frbl_last_posttitle_12");
						} else {
                  			addZeroAge("#feedreading_bookmark_12");
              			}
                                      });
                                          
																														// hallo
										feed_single317.load(function(result_single_317){
										if (!result_single_317.error) {
											addAge(result_single_317.feed, "#single-3_feedreading_bookmark_17", "#single-3_feedreading_anchor_17", "#single-3_feedreading_info_17", "#single-3_feedreading_previewtoggle_17", "#single-3_frbl_last_posttitle_17");
											} else {
												addZeroAge("#single-3_feedreading_bookmark_17");
											}
										});
										                                          	addZeroAge("#feedreading_bookmark_19");
                                          										// hallo
										feed_single312.load(function(result_single_312){
										if (!result_single_312.error) {
											addAge(result_single_312.feed, "#single-3_feedreading_bookmark_12", "#single-3_feedreading_anchor_12", "#single-3_feedreading_info_12", "#single-3_feedreading_previewtoggle_12", "#single-3_frbl_last_posttitle_12");
											} else {
												addZeroAge("#single-3_feedreading_bookmark_12");
											}
										});
										                    										// hallo
										feed_single314.load(function(result_single_314){
										if (!result_single_314.error) {
											addAge(result_single_314.feed, "#single-3_feedreading_bookmark_14", "#single-3_feedreading_anchor_14", "#single-3_feedreading_info_14", "#single-3_feedreading_previewtoggle_14", "#single-3_frbl_last_posttitle_14");
											} else {
												addZeroAge("#single-3_feedreading_bookmark_14");
											}
										});
										                                          	addZeroAge("#feedreading_bookmark_18");
                                          										// hallo
										feed_single313.load(function(result_single_313){
										if (!result_single_313.error) {
											addAge(result_single_313.feed, "#single-3_feedreading_bookmark_13", "#single-3_feedreading_anchor_13", "#single-3_feedreading_info_13", "#single-3_feedreading_previewtoggle_13", "#single-3_frbl_last_posttitle_13");
											} else {
												addZeroAge("#single-3_feedreading_bookmark_13");
											}
										});
										                    																											feedreading_category_observer();
                }


      $.fn.feedReadingBlogrollSpy = function (limit, interval) {
    	    limit = limit || 4;
    	    interval = interval || 4000;

    	    return this.each(function () {
    	        // 1. setup
    	            // capture a cache of all the list items
    	            // chomp the list down to limit li elements
    	        var $list = $(this),
    	            items = [], // uninitialised
    	            currentItem = limit,
    	            total = 0, // initialise later on
    	            height = $list.find('li:first').height();

    	        // capture the cache
    	        $list.find('li').each(function () {
    	            //items.push('<li>' + $(this).html() + '</li>');
    	            items.push($(this));
    	        });

    	        total = items.length;

    	        $list.wrap('<div class="spyWrapper" />').parent().css({ height : height * (limit + 2) });

    	        $list.find('li').filter(':gt(' + (limit - 1) + ')').remove();

    	        // 2. effect
    	        function spy() {
			if(!$list.hasClass("mouseover")){
			    // insert a new item with opacity and height of zero
			    var $insert = $(items[currentItem]).css({
				height : 0,
				opacity : 0,
				display : 'none'
			    }).prependTo($list);

			    // fade the LAST item out
			    $list.find('li:last').animate({ opacity : 0}, 1000, function () {
				// increase the height of the NEW first item
				$insert.animate({ height : height }, 1000).animate({ opacity : 1 }, 1000);

				// AND at the same time - decrease the height of the LAST item
				// $(this).animate({ height : 0 }, 1000, function () {
				    // finally fade the first item in (and we can remove the last)
				    $(this).remove();
				// });
			    });

			    currentItem++;
			    if (currentItem >= total) {
				currentItem = 0;
			    }
			}
			setTimeout(spy, interval)
    	        }

    	        spy();
    	    });
    	};
});