;(function($){
	
	// CFP cookies prefix
	var cname = 'advads_procfp';
	var cname_vc = 'advanced_ads_ad_clicks'; // visitor conditions
	
	// CFP cookies parameter ( domain/path )
	var PATH = null;
	var DOMAIN = null;
	
	/**
	 * wrapper for JSON.parse 
	 */
	function jsonDecode( str ) {
		try {
			var res = JSON.parse( str );
			return res;
		} catch( Ex ) {
			return null;
		}
	}
	
	// Max ad click conditions/ passive Cache busting.
	
	$( document ).on( 'advads-passive-cb-conditions', function( e, cbs ) {
		cbs.conditions['ad_clicks'] = 'check_ad_clicks';
		cbs['check_ad_clicks'] = function ( options, ad ) {
			if ( advads.cookie_exists( cname_vc + '_' + ad.id ) ) {
				var C_vc = advads.get_cookie( cname_vc + '_' + ad.id );
				C_vc = jsonDecode( C_vc );
			}
			
			if ( C_vc ) {
				var now = parseInt( new Date().getTime() / 1000 );
				for ( var i in C_vc ) {
					
					if ( '_' + options.expiration == i ) {
						
						// if still valid counter and click limit reached
						if ( C_vc[i]['ttl'] >= now && C_vc[i]['count'] >= parseInt( options.limit ) ) {
							return false;
						}
						
					}
					
				}
			}
			
			return true;
		};
	});
	
	var cfpTracker = function() {
		this.$elements = {};
		this.currentIFrame = false;
		this.focusLost = false;
		this.init();
	}
	
	cfpTracker.prototype = {
		
		constructor: cfpTracker,
		
		init: function() {
			var that = this;

			// increment counter on click on link
			$( document ).on( 'click', 'a[data-cfpa]', function(){
				that.onClick( parseInt( $( this ).attr( 'data-cfpa' ) ) );
			} );
			
			// increment counter on blur only if an iframe has recently bern hovered
			$( window ).on( 'blur', function() {
				if ( false !== that.currentIFrame ) {
					that.onClick( that.currentIFrame );
					that.currentIFrame = false;
					that.focusLost = true;
				}
			} );
			
			// mouse passes over an ad that has not yet been initialized (adsense and other distant ads - OR just an ad that contains no link nor iframes)
			$( document ).on( 'mouseenter', 'div[data-cfpa]', function(){
				var id = parseInt( $( this ).attr( 'data-cfpa' ) );
				that.addElement( id );
			} );
		},
		
		addElement: function( $el ) {
			if ( false === $el instanceof jQuery ) {
				// Select the first ad since there may be multiple copies of the same ad on the page.
				$el = $( 'div[data-cfpa="' + $el + '"]' ).first();
			}
			
			var hasIframe = $el.find( 'iframe' ).length ? true : false;
			if ( !hasIframe ) {
				if ( !$el.find( 'a' ).length ) {
					// no an anchor and no iframe -- likely and ad that is not yet loaded (adsense or other ad network)
					return;
				}
			}
			
			var adID = parseInt( $el.attr( 'data-cfpa' ) );
			
			this.$elements[adID] = $el;
			
			// remove attribute from the wrapper
			$el.removeAttr( 'data-cfpa' );
			
			// And then move it to the first anchor or iframe found
			if ( hasIframe ) {
				$el.find( 'iframe' ).first().attr({
					'data-cfpa': adID,
				})
				if ( $el.attr( 'data-cfph' ) ) {
					$el.find( 'iframe' ).first().attr({
						'data-cfph': $el.attr( 'data-cfph' ),
					})
				}
			} else {
				$el.find( 'a' ).not( '.advads-edit-button' ).first().attr({
					'data-cfpa': adID,
				})
				if ( $el.attr( 'data-cfph' ) ) {
					$el.find( 'a' ).not( '.advads-edit-button' ).first().attr({
						'data-cfph': $el.attr( 'data-cfph' ),
					})
				}
			}
			// remove Hours attribute from the wrapper
			$el.removeAttr( 'data-cfph' );
			
			// update TTL field for all outdated counter (visitor conditions)
			if ( advads.cookie_exists( cname_vc + '_' + adID ) ) {
				
				var C_vc = advads.get_cookie( cname_vc + '_' + adID );
				C_vc = jsonDecode( C_vc );
				
				if ( C_vc ) {
					var now = parseInt( new Date().getTime() / 1000 ), cookie_modified = false;
					for ( var i in C_vc ) {
						if ( !C_vc.hasOwnProperty( i ) ) continue;
						if ( 'exp' == i ) continue;
						if ( C_vc[i]['ttl'] < now ) {
							var period = parseFloat( i.substr( 1 ) );
							var newTTL = C_vc[i]['ttl'];
							while ( newTTL < now ) {
								newTTL += period * 60 * 60;
							}
							C_vc[i]['ttl'] = newTTL;
							C_vc[i]['count'] = 0;
							cookie_modified = true;
						}
					}
					if ( cookie_modified ) {
						var expTime = new Date( C_vc['exp'] );
						advads.set_cookie_sec( cname_vc + '_' + adID, JSON.stringify( C_vc, 'false', false ), parseInt( expTime.getTime() / 1000 ), PATH, DOMAIN );
					}
				}
				
			}
		},

		/**
		 * Ban the visitor
		 */
		_banVisitor: function() {
			var now = new Date();
			var d = new Date();
			d.setTime( d.getTime() + ( advadsCfpBan*24*60*60*1000 ) );
			var ban = ( d.getTime() - now.getTime() ) / 1000;
			advads.set_cookie_sec( 'advads_pro_cfp_ban', 1, ban, PATH, DOMAIN );

			// Select all top level ad wrappers and delete them.
			jQuery( '[data-cfptl]' ).remove();
			// Select Google AdSense Auto Ads wrappers and delete them.
			jQuery( '.google-auto-placed' ).remove();
		},
		
		onClick: function( ID ){
			var C = false, C_vc = false, that = this;
			
			if ( 'google-auto-placed' !== ID && $( '[data-cfpa="' + ID + '"]' ).attr( 'data-cfph' ) ) {
				// if there are some visitor conditions, use the vc cookie
				
				if ( advads.cookie_exists( cname_vc + '_' + ID ) ) {
					C_vc = advads.get_cookie( cname_vc + '_' + ID );
					C_vc = jsonDecode( C_vc );
				}
				
				if ( C_vc ) {
					// Cookie already exists, increment each counter (keep expiration time)
					for ( var h in C_vc ) {
						if ( !C_vc.hasOwnProperty( h ) ) continue;
						if ( 'exp' == h ) continue;
						var count = parseInt( C_vc[h]['count'] );
						C_vc[h]['count'] = count + 1;
					}
					var now = new Date();
					var expiry = new Date( C_vc.exp );
					var expirySecs = parseInt( ( expiry.getTime() - now.getTime() ) / 1000 );
					advads.set_cookie_sec( cname_vc + '_' + ID, JSON.stringify( C_vc, 'false', false ), expirySecs, PATH, DOMAIN );
				} else {
					// create a new cookie
					var H = $( '[data-cfpa="' + ID + '"]' ).attr( 'data-cfph' ).split( '_' );
					var cval = {}, maxHValue = 0;
					
					var d = new Date();
					var now = new Date();
					
					for ( var h in H ) {
						if ( parseFloat( H[h] ) > maxHValue ) {
							maxHValue = parseFloat( H[h] );
						}
						cval['_' + H[h]] = {
							count: 1,
							ttl: parseInt( ( ( now.getTime() / 1000 ) + ( parseFloat( H[h] ) * 3600 ) ) ),
						};
					}
					
					// use the longest hour value for the expiry time
					d.setTime( d.getTime() + ( maxHValue * 60 * 60 * 1000 ) );
					var expires = "expires="+ d.toUTCString();
					var expirySecs = parseInt( ( d.getTime() - now.getTime() ) / 1000 );
					
					cval['exp'] = expires;
					advads.set_cookie_sec( cname_vc + '_' + ID, JSON.stringify( cval, 'false', false ), expirySecs, PATH, DOMAIN );
				}
				
			}

			// use the module wide CFP cookie
			if ( advads.cookie_exists( cname + '_' + ID ) ) {
				C = advads.get_cookie( cname + '_' + ID );
				C = jsonDecode( C );
			}
			if ( C ) {
				// Cookie already exists, increment the counter (keep expiration time)
				
				var count = parseInt( C.count );
				C.count = count +1;
				var now = new Date();
				var expiry = new Date( C.exp );
				var expirySecs = ( expiry.getTime() - now.getTime() ) / 1000;
				advads.set_cookie_sec( cname + '_' + ID, JSON.stringify( C, 'false', false ), expirySecs, PATH, DOMAIN );
				if ( advadsCfpClickLimit <= C.count && 'undefined' != typeof advadsCfpBan ) {
					// CFP module enabled - ban this visitor
					that._banVisitor();
				}
			} else {
				// create a new cookie
				
				var d = new Date();
				var now = new Date();
				d.setTime( d.getTime() + ( advadsCfpExpHours*60*60*1000 ) );
				var expires = "expires="+ d.toUTCString();
				var expirySecs = ( d.getTime() - now.getTime() ) / 1000;
				advads.set_cookie_sec( cname + '_' + ID, '{"count":1,"exp":"' + expires + '"}', expirySecs, PATH, DOMAIN );
				if ( advadsCfpClickLimit === 1 && 'undefined' != typeof advadsCfpBan ) {
					// CFP module enabled - ban this visitor
					that._banVisitor();
				}
			}
		},
	}
	
	$( function(){

		/**
		 * Max ad click ( visitor conditions )
		 */
		window.advadsProCfp = new cfpTracker();

		// IFRAME click tracking
		$( document ).on( 'mouseenter', 'iframe[data-cfpa]', function(e){
			var ID = parseInt( $( this ).attr( 'data-cfpa' ) );
			advadsProCfp.currentIFrame = ID;
		} ).on( 'mouseenter', '.google-auto-placed', function(e){
			// Use the same ID for all Google AdSense Auto Ads.
			advadsProCfp.currentIFrame = 'google-auto-placed';
		} ).on( 'mouseleave', '[data-cfpa], .google-auto-placed', function(){
			advadsProCfp.currentIFrame = false;
			if ( advadsProCfp.focusLost ) {
				advadsProCfp.focusLost = false;
				$( window ).trigger( 'focus' );
			}
		} );

		// construct all elements already present in the queue
		for( var i in advadsCfpQueue ) {
			if ( advadsCfpQueue.hasOwnProperty( i ) ) {
				advadsProCfp.addElement( advadsCfpQueue[i] );
			}
		}
		
		advadsCfpQueue = [];
		
		/**
		 * Click fraud protection module.
		 */
		if ( 'undefined' == typeof window.advadsCfpPath ) return;
		
		// get the path/domain parameter to use in cookies
		if ( '' != advadsCfpPath ) {
			PATH = advadsCfpPath;
		}
		
		if ( '' != advadsCfpDomain ) {
			DOMAIN = advadsCfpDomain;
		}
		
		
	} );
	
})(window.jQuery);