/* global WPCOM_sharing_counts, grecaptcha */
var sharing_js_options;
if ( sharing_js_options && sharing_js_options.counts ) {
	var WPCOMSharing = {
		done_urls : [],
		get_counts : function() {
			var url, requests, id, service, service_request;

			if ( 'undefined' === typeof WPCOM_sharing_counts ) {
				return;
			}

			for ( url in WPCOM_sharing_counts ) {
				id = WPCOM_sharing_counts[ url ];

				if ( 'undefined' !== typeof WPCOMSharing.done_urls[ id ] ) {
					continue;
				}

				requests = {
					// LinkedIn actually gets the share count for both the http and https version automatically -- so we don't need to do extra magic
					linkedin: [
							'https://www.linkedin.com/countserv/count/share?format=jsonp&callback=WPCOMSharing.update_linkedin_count&url=' +
							encodeURIComponent( url )
					],
					// Pinterest, like LinkedIn, handles share counts for both http and https
					pinterest: [
						window.location.protocol +
							'//api.pinterest.com/v1/urls/count.json?callback=WPCOMSharing.update_pinterest_count&url=' +
							encodeURIComponent( url )
					],
					// Facebook protocol summing has been shown to falsely double counts, so we only request the current URL
					facebook: [
						window.location.protocol +
							'//graph.facebook.com/?callback=WPCOMSharing.update_facebook_count&ids=' +
							encodeURIComponent( url )
					]
				};

				for ( service in requests ) {
					if ( ! jQuery( 'a[data-shared=sharing-' + service + '-' + id  + ']' ).length ) {
						continue;
					}

					while ( ( service_request = requests[ service ].pop() ) ) {
						jQuery.getScript( service_request );
					}

					WPCOMSharing.bump_sharing_count_stat( service );
				}

				WPCOMSharing.done_urls[ id ] = true;
			}
		},

		// get the version of the url that was stored in the dom (sharing-$service-URL)
		get_permalink: function( url ) {
			if ( 'https:' === window.location.protocol ) {
				url = url.replace( /^http:\/\//i, 'https://' );
			} else {
				url = url.replace( /^https:\/\//i, 'http://' );
			}

			return url;
		},
		update_facebook_count: function( data ) {
			var url, permalink;

			if ( ! data ) {
				return;
			}

			for ( url in data ) {
				if ( ! data.hasOwnProperty( url ) || ! data[ url ].shares ) {
					continue;
				}

				permalink = WPCOMSharing.get_permalink( url );

				if ( ! ( permalink in WPCOM_sharing_counts ) ) {
					continue;
				}

				WPCOMSharing.inject_share_count( 'sharing-facebook-' + WPCOM_sharing_counts[ permalink ], data[ url ].shares );
			}
		},
		update_linkedin_count : function( data ) {
			if ( 'undefined' !== typeof data.count && ( data.count * 1 ) > 0 ) {
				WPCOMSharing.inject_share_count( 'sharing-linkedin-' + WPCOM_sharing_counts[ data.url ], data.count );
			}
		},
		update_pinterest_count : function( data ) {
			if ( 'undefined' !== typeof data.count && ( data.count * 1 ) > 0 ) {
				WPCOMSharing.inject_share_count( 'sharing-pinterest-' + WPCOM_sharing_counts[ data.url ], data.count );
			}
		},
		inject_share_count : function( id, count ) {
			var $share = jQuery( 'a[data-shared=' + id + '] > span');
			$share.find( '.share-count' ).remove();
			$share.append( '<span class="share-count">' + WPCOMSharing.format_count( count ) + '</span>' );
		},
		format_count : function( count ) {
			if ( count < 1000 ) {
				return count;
			}
			if ( count >= 1000 && count < 10000 ) {
				return String( count ).substring( 0, 1 ) + 'K+';
			}
			return '10K+';
		},
		bump_sharing_count_stat: function( service ) {
			new Image().src = document.location.protocol + '//pixel.wp.com/g.gif?v=wpcom-no-pv&x_sharing-count-request=' + service + '&r=' + Math.random();
		}
	};
}

(function($){
	var $body, $sharing_email;

	$.fn.extend( {
		share_is_email: function() {
			return /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test( this.val() );
		}
	} );

	$body = $( document.body ).on( 'post-load', WPCOMSharing_do );
	$( document ).on( 'ready', function() {
		$sharing_email = $( '#sharing_email' );
		$body.append( $sharing_email );
		WPCOMSharing_do();
	} );

	function WPCOMSharing_do() {
		var $more_sharing_buttons;
		if ( 'undefined' !== typeof WPCOMSharing ) {
			WPCOMSharing.get_counts();
		}
		$more_sharing_buttons = $( '.sharedaddy a.sharing-anchor' );

		$more_sharing_buttons.click( function() {
			return false;
		} );

		$( '.sharedaddy a' ).each( function() {
			if ( $( this ).attr( 'href' ) && $( this ).attr( 'href' ).indexOf( 'share=' ) !== -1 ) {
				$( this ).attr( 'href', $( this ).attr( 'href' ) + '&nb=1' );
			}
		} );

		// Show hidden buttons

		// Touchscreen device: use click.
		// Non-touchscreen device: use click if not already appearing due to a hover event
		$more_sharing_buttons.on( 'click', function() {
			var $more_sharing_button = $( this ),
				$more_sharing_pane = $more_sharing_button.parents( 'div:first' ).find( '.inner' );

			if ( $more_sharing_pane.is( ':animated' ) ) {
				// We're in the middle of some other event's animation
				return;
			}

			if ( true === $more_sharing_pane.data( 'justSlid' ) ) {
				// We just finished some other event's animation - don't process click event so that slow-to-react-clickers don't get confused
				return;
			}

			$sharing_email.slideUp( 200 );

			$more_sharing_pane.css( {
				left: $more_sharing_button.position().left + 'px',
				top: $more_sharing_button.position().top + $more_sharing_button.height() + 3 + 'px'
			} ).slideToggle( 200 );
		} );

		if ( document.ontouchstart === undefined ) {
			// Non-touchscreen device: use hover/mouseout with delay
			$more_sharing_buttons.hover( function() {
				var $more_sharing_button = $( this ),
					$more_sharing_pane = $more_sharing_button.parents( 'div:first' ).find( '.inner' ),
					timer;

				if ( ! $more_sharing_pane.is( ':animated' ) ) {
					// Create a timer to make the area appear if the mouse hovers for a period
					timer = setTimeout( function() {
						var handler_item_leave, handler_item_enter, handler_original_leave, handler_original_enter, close_it;

						$sharing_email.slideUp( 200 );

						$more_sharing_pane.data( 'justSlid', true );
						$more_sharing_pane.css( {
							left: $more_sharing_button.position().left + 'px',
							top: $more_sharing_button.position().top + $more_sharing_button.height() + 3 + 'px'
						} ).slideDown( 200, function() {
							// Mark the item as have being appeared by the hover
							$more_sharing_button.data( 'hasoriginal', true ).data( 'hasitem', false );

							setTimeout( function() {
								$more_sharing_pane.data( 'justSlid', false );
							}, 300 );

							if ( $more_sharing_pane.find( '.share-google-plus-1' ).size() ) {
								// The pane needs to stay open for the Google+ Button
								return;
							}

							$more_sharing_pane.mouseleave( handler_item_leave ).mouseenter( handler_item_enter );
							$more_sharing_button.mouseleave( handler_original_leave ).mouseenter( handler_original_enter );
						} );

						// The following handlers take care of the mouseenter/mouseleave for the share button and the share area - if both are left then we close the share area
						handler_item_leave = function() {
							$more_sharing_button.data( 'hasitem', false );

							if ( $more_sharing_button.data( 'hasoriginal' ) === false ) {
								var timer = setTimeout( close_it, 800 );
								$more_sharing_button.data( 'timer2', timer );
							}
						};

						handler_item_enter = function() {
							$more_sharing_button.data( 'hasitem', true );
							clearTimeout( $more_sharing_button.data( 'timer2' ) );
						};

						handler_original_leave = function() {
							$more_sharing_button.data( 'hasoriginal', false );

							if ( $more_sharing_button.data( 'hasitem' ) === false ) {
								var timer = setTimeout( close_it, 800 );
								$more_sharing_button.data( 'timer2', timer );
							}
						};

						handler_original_enter = function() {
							$more_sharing_button.data( 'hasoriginal', true );
							clearTimeout( $more_sharing_button.data( 'timer2' ) );
						};

						close_it = function() {
							$more_sharing_pane.data( 'justSlid', true );
							$more_sharing_pane.slideUp( 200, function() {
								setTimeout( function() {
									$more_sharing_pane.data( 'justSlid', false );
								}, 300 );
							} );

							// Clear all hooks
							$more_sharing_button.unbind( 'mouseleave', handler_original_leave ).unbind( 'mouseenter', handler_original_enter );
							$more_sharing_pane.unbind( 'mouseleave', handler_item_leave ).unbind( 'mouseenter', handler_item_leave );
							return false;
						};
					}, 200 );

					// Remember the timer so we can detect it on the mouseout
					$more_sharing_button.data( 'timer', timer );
				}
			}, function() {
				// Mouse out - remove any timer
				$more_sharing_buttons.each( function() {
					clearTimeout( $( this ).data( 'timer' ) );
				} );
				$more_sharing_buttons.data( 'timer', false );
			} );
		}

		$( document ).click(function() {

			// Click outside
			// remove any timer
			$more_sharing_buttons.each( function() {
				clearTimeout( $( this ).data( 'timer' ) );
			} );
			$more_sharing_buttons.data( 'timer', false );

			// slide down forcibly
			$( '.sharedaddy .inner' ).slideUp();

		});

		// Add click functionality
		$( '.sharedaddy ul' ).each( function() {

			if ( 'yep' === $( this ).data( 'has-click-events' ) ) {
				return;
			}
			$( this ).data( 'has-click-events', 'yep' );

			var printUrl = function ( uniqueId, urlToPrint ) {
				$( 'body:first' ).append( '<iframe style="position:fixed;top:100;left:100;height:1px;width:1px;border:none;" id="printFrame-' + uniqueId + '" name="printFrame-' + uniqueId + '" src="' + urlToPrint + '" onload="frames[\'printFrame-' + uniqueId + '\'].focus();frames[\'printFrame-' + uniqueId + '\'].print();"></iframe>' );
			};

			// Print button
			$( this ).find( 'a.share-print' ).click( function() {
				var ref = $( this ).attr( 'href' ),
					do_print = function() {
						if ( ref.indexOf( '#print' ) === -1 ) {
							var uid = new Date().getTime();
							printUrl( uid , ref );
						} else {
							print();
						}
					};

				// Is the button in a dropdown?
				if ( $( this ).parents( '.sharing-hidden' ).length > 0 ) {
					$( this ).parents( '.inner' ).slideUp( 0, function() {
						do_print();
					} );
				} else {
					do_print();
				}

				return false;
			} );

			// Press This button
			$( this ).find( 'a.share-press-this' ).click( function() {
				var s = '';

				if ( window.getSelection ) {
					s = window.getSelection();
				} else if( document.getSelection ) {
					s = document.getSelection();
				} else if( document.selection ) {
					s = document.selection.createRange().text;
				}

				if ( s ) {
					$( this ).attr( 'href', $( this ).attr( 'href' ) + '&sel=' + encodeURI( s ) );
				}

				if ( !window.open( $( this ).attr( 'href' ), 't', 'toolbar=0,resizable=1,scrollbars=1,status=1,width=720,height=570' ) ) {
					document.location.href = $( this ).attr( 'href' );
				}

				return false;
			} );

			// Email button
			$( 'a.share-email', this ).on( 'click', function() {
				var url = $( this ).attr( 'href' );

				if ( $sharing_email.is( ':visible' ) ) {
					$sharing_email.slideUp( 200 );
				} else {
					$( '.sharedaddy .inner' ).slideUp();

					$( '#sharing_email .response' ).remove();
					$( '#sharing_email form' ).show();
					$( '#sharing_email form input[type=submit]' ).removeAttr( 'disabled' );
					$( '#sharing_email form a.sharing_cancel' ).show();

					// Reset reCATPCHA if exists.
					if ( 'object' === typeof grecaptcha && 'function' === typeof grecaptcha.reset ) {
						grecaptcha.reset();
					}

					// Show dialog
					$sharing_email.css( {
						left: $( this ).offset().left + 'px',
						top: $( this ).offset().top + $( this ).height() + 'px'
					} ).slideDown( 200 );

					// Hook up other buttons
					$( '#sharing_email a.sharing_cancel' ).unbind( 'click' ).click( function() {
						$( '#sharing_email .errors' ).hide();
						$sharing_email.slideUp( 200 );
						$( '#sharing_background' ).fadeOut();
						return false;
					} );

					// Submit validation
					$( '#sharing_email input[type=submit]' ).unbind( 'click' ).click( function() {
						var form = $( this ).parents( 'form' );

						// Disable buttons + enable loading icon
						$( this ).prop( 'disabled', true );
						form.find( 'a.sharing_cancel' ).hide();
						form.find( 'img.loading' ).show();

						$( '#sharing_email .errors' ).hide();
						$( '#sharing_email .error' ).removeClass( 'error' );

						if ( ! $( '#sharing_email input[name=source_email]' ).share_is_email() ) {
							$( '#sharing_email input[name=source_email]' ).addClass( 'error' );
						}

						if ( ! $( '#sharing_email input[name=target_email]' ).share_is_email() ) {
							$( '#sharing_email input[name=target_email]' ).addClass( 'error' );
						}

						if ( $( '#sharing_email .error' ).length === 0 ) {
							// AJAX send the form
							$.ajax( {
								url: url,
								type: 'POST',
								data: form.serialize(),
								success: function( response ) {
									form.find( 'img.loading' ).hide();

									if ( response === '1' || response === '2' || response === '3' ) {
										$( '#sharing_email .errors-' + response ).show();
										form.find( 'input[type=submit]' ).removeAttr( 'disabled' );
										form.find( 'a.sharing_cancel' ).show();

										if ( 'object' === typeof grecaptcha && 'function' === typeof grecaptcha.reset ) {
											grecaptcha.reset();
										}
									}
									else {
										$( '#sharing_email form' ).hide();
										$sharing_email.append( response );
										$( '#sharing_email a.sharing_cancel' ).click( function() {
											$sharing_email.slideUp( 200 );
											$( '#sharing_background' ).fadeOut();
											return false;
										} );
									}
								}
							} );

							return false;
						}

						form.find( 'img.loading' ).hide();
						form.find( 'input[type=submit]' ).removeAttr( 'disabled' );
						form.find( 'a.sharing_cancel' ).show();
						$( '#sharing_email .errors-1' ).show();

						return false;
					} );
				}

				return false;
			} );
		} );

		$( 'li.share-email, li.share-custom a.sharing-anchor' ).addClass( 'share-service-visible' );
	}
})( jQuery );