/* global subscriptionData */
document.addEventListener( 'DOMContentLoaded', function () {
	const modal = document.getElementsByClassName( 'jetpack-subscription-modal' )[ 0 ];

	if ( ! modal ) {
		return;
	}

	const close = document.getElementsByClassName( 'jetpack-subscription-modal__close' )[ 0 ];

	let redirectUrl = '';
	let hasLoaded = false;

	function reloadOnCloseSubscriptionModal( customUrl ) {
		const destinationUrl = customUrl ? new URL( customUrl ) : new URL( redirectUrl );

		// Prevent redirect to external sites.
		if ( destinationUrl.hostname !== window.location.hostname ) {
			return;
		}

		try {
			localStorage.setItem(
				'jetpack-subscription-modal-on-comment-scroll-to',
				destinationUrl.hash
			);
		} catch {
			// Ok if we can't set it.
		}

		// Add cache-busting parameter
		destinationUrl.searchParams.set( '_ctn', Date.now() );
		window.location.href = destinationUrl.toString();
	}

	function JetpackSubscriptionModalOnCommentMessageListener( event ) {
		let message = event && event.data;
		if ( typeof message === 'string' ) {
			try {
				message = JSON.parse( message );
			} catch {
				return;
			}
		}

		const type = message && message.type;
		const data = message && message.data;

		if ( type !== 'subscriptionModalShow' || typeof data.url === 'undefined' ) {
			return;
		}

		if ( subscriptionData.homeUrl !== event.origin ) {
			return;
		}

		if ( data.email ) {
			const emailInput = document.querySelector(
				'.jetpack-subscription-modal__modal-content input[type="email"]'
			);
			if ( ! emailInput ) {
				reloadOnCloseSubscriptionModal( data.url );
				return;
			}

			const appSource = document.querySelector(
				'.jetpack-subscription-modal__modal-content input[name="app_source"]'
			);
			if ( ! appSource ) {
				reloadOnCloseSubscriptionModal( data.url );
				return;
			}

			emailInput.value = data.email;
			if ( data.is_logged_in ) {
				emailInput.setAttribute( 'readonly', 'readonly' );
				appSource.value = 'atomic-subscription-modal-li';
			}
		}

		if ( ! hasLoaded ) {
			try {
				const storedCount = parseInt(
					sessionStorage.getItem( 'jetpack-subscription-modal-shown-count' )
				);
				const showCount = ( isNaN( storedCount ) ? 0 : storedCount ) + 1;
				sessionStorage.setItem( 'jetpack-subscription-modal-shown-count', showCount );

				if ( showCount > 5 ) {
					new Image().src =
						document.location.protocol +
						'//pixel.wp.com/g.gif?v=wpcom-no-pv&x_jetpack-subscribe-modal-comm=hidden_views_limit&r=' +
						Math.random();

					reloadOnCloseSubscriptionModal( data.url );
					return;
				}
			} catch {
				// Ignore any errors.
			}

			new Image().src =
				document.location.protocol +
				'//pixel.wp.com/g.gif?v=wpcom-no-pv&x_jetpack-subscribe-modal-comm=showed&r=' +
				Math.random();

			modal.classList.toggle( 'open' );
			hasLoaded = true;
			redirectUrl = data.url;
		}
	}

	window.addEventListener( 'message', JetpackSubscriptionModalOnCommentMessageListener );

	if ( close ) {
		close.onclick = function ( event ) {
			event.preventDefault();
			modal.classList.toggle( 'open' );
			reloadOnCloseSubscriptionModal();
		};
	}

	window.onclick = function ( event ) {
		if ( event.target === modal ) {
			modal.style.display = 'none';
			reloadOnCloseSubscriptionModal();
		}
	};

	window.addEventListener( 'load', () => {
		// Scroll to the last comment.
		const subscriptionScroll = localStorage.getItem(
			'jetpack-subscription-modal-on-comment-scroll-to'
		);

		if ( subscriptionScroll ) {
			window.location.hash = subscriptionScroll;
			localStorage.removeItem( 'jetpack-subscription-modal-on-comment-scroll-to' );

			const comment = document.querySelector( subscriptionScroll );
			if ( comment ) {
				comment.scrollIntoView( { block: 'center', behavior: 'smooth' } );
			}
		}
	} );
} );
;
/* global Jetpack_Subscriptions */
const { domReady } = wp;
domReady( () => {
	const modal = document.querySelector( '.jetpack-subscribe-modal' );
	const modalDismissedCookie = 'jetpack_post_subscribe_modal_dismissed';
	const skipUrlParam = 'jetpack_skip_subscription_popup';

	function hasEnoughTimePassed() {
		const lastDismissed = localStorage.getItem( modalDismissedCookie );
		return lastDismissed ? Date.now() - lastDismissed > Jetpack_Subscriptions.modalInterval : true;
	}

	// Subscriber ended up here e.g. from emails:
	// we won't show the modal to them in future since they most likely are already a subscriber.
	function skipModal() {
		const url = new URL( window.location.href );
		if ( url.searchParams.has( skipUrlParam ) ) {
			url.searchParams.delete( skipUrlParam );
			window.history.replaceState( {}, '', url );
			storeCloseTimestamp();
			return true;
		}

		return false;
	}

	if ( ! modal || ! hasEnoughTimePassed() || skipModal() ) {
		return;
	}

	const modalLoadTimeout = setTimeout( openModal, Jetpack_Subscriptions.modalLoadTime );

	const targetElement = (
		document.querySelector( '.entry-content' ) || document.documentElement
	).getBoundingClientRect();

	function hasPassedScrollThreshold() {
		const scrollPosition = window.scrollY + window.innerHeight / 2;
		const scrollPositionThreshold =
			targetElement.top +
			( targetElement.height * Jetpack_Subscriptions.modalScrollThreshold ) / 100;
		return scrollPosition > scrollPositionThreshold;
	}

	function onScroll() {
		requestAnimationFrame( () => {
			if ( hasPassedScrollThreshold() ) {
				openModal();
			}
		} );
	}

	window.addEventListener( 'scroll', onScroll, { passive: true } );

	// This take care of the case where the user has multiple tabs open.
	function onLocalStorage( event ) {
		if ( event.key === modalDismissedCookie ) {
			closeModal();
			removeEventListeners();
		}
	}
	window.addEventListener( 'storage', onLocalStorage );

	// When the form is submitted, and next modal loads, it'll fire "subscription-modal-loaded" signalling that this form can be hidden.
	const form = modal.querySelector( 'form' );
	if ( form ) {
		form.addEventListener( 'subscription-modal-loaded', closeModal );
	}

	// User can edit modal, and could remove close link.
	function onCloseButtonClick( event ) {
		event.preventDefault();
		closeModal();
	}
	const close = document.getElementsByClassName( 'jetpack-subscribe-modal__close' )[ 0 ];
	if ( close ) {
		close.addEventListener( 'click', onCloseButtonClick );
	}

	function closeOnWindowClick( event ) {
		if ( event.target === modal ) {
			closeModal();
		}
	}

	function closeModalOnEscapeKeydown( event ) {
		if ( event.key === 'Escape' ) {
			closeModal();
		}
	}

	function openModal() {
		// If the user is typing in a form, don't open the modal or has anything else focused.
		if ( document.activeElement && document.activeElement.tagName !== 'BODY' ) {
			return;
		}

		modal.classList.add( 'open' );
		document.body.classList.add( 'jetpack-subscribe-modal-open' );
		window.addEventListener( 'keydown', closeModalOnEscapeKeydown );
		window.addEventListener( 'click', closeOnWindowClick );
		removeEventListeners();
	}

	function closeModal() {
		modal.classList.remove( 'open' );
		document.body.classList.remove( 'jetpack-subscribe-modal-open' );
		window.removeEventListener( 'keydown', closeModalOnEscapeKeydown );
		window.removeEventListener( 'storage', onLocalStorage );
		window.removeEventListener( 'click', closeOnWindowClick );
		storeCloseTimestamp();
	}

	// Remove all event listeners. That would add the modal again.
	function removeEventListeners() {
		window.removeEventListener( 'scroll', onScroll );
		clearTimeout( modalLoadTimeout );
	}

	function storeCloseTimestamp() {
		localStorage.setItem( modalDismissedCookie, Date.now() );
	}
} );
;
/* global wpcom_reblog */

var jetpackLikesWidgetBatch = [];
var jetpackLikesMasterReady = false;

// Due to performance problems on pages with a large number of widget iframes that need to be loaded,
// we are limiting the processing at any instant to unloaded widgets that are currently in viewport,
// plus this constant that will allow processing of widgets above and bellow the current fold.
// This aim of it is to improve the UX and hide the transition from unloaded to loaded state from users.
var jetpackLikesLookAhead = 2000; // pixels

// Keeps track of loaded comment likes widget so we can unload them when they are scrolled out of view.
var jetpackCommentLikesLoadedWidgets = [];

var jetpackLikesDocReadyPromise = new Promise( resolve => {
	if ( document.readyState !== 'loading' ) {
		resolve();
	} else {
		window.addEventListener( 'DOMContentLoaded', () => resolve() );
	}
} );

function JetpackLikesPostMessage( message, target ) {
	if ( typeof message === 'string' ) {
		try {
			message = JSON.parse( message );
		} catch {
			return;
		}
	}

	if ( target && typeof target.postMessage === 'function' ) {
		try {
			target.postMessage(
				JSON.stringify( {
					type: 'likesMessage',
					data: message,
				} ),
				'*'
			);
		} catch {
			// Ignore error
		}
	}
}

function JetpackLikesBatchHandler() {
	const requests = [];
	document.querySelectorAll( 'div.jetpack-likes-widget-unloaded' ).forEach( widget => {
		if ( jetpackLikesWidgetBatch.indexOf( widget.id ) > -1 ) {
			return;
		}

		if ( ! jetpackIsScrolledIntoView( widget ) ) {
			return;
		}

		jetpackLikesWidgetBatch.push( widget.id );

		var regex = /like-(post|comment)-wrapper-(\d+)-(\d+)-(\w+)/,
			match = regex.exec( widget.id ),
			info;

		if ( ! match || match.length !== 5 ) {
			return;
		}

		info = {
			blog_id: match[ 2 ],
			width: widget.width,
		};

		if ( 'post' === match[ 1 ] ) {
			info.post_id = match[ 3 ];
		} else if ( 'comment' === match[ 1 ] ) {
			info.comment_id = match[ 3 ];
		}

		info.obj_id = match[ 4 ];

		requests.push( info );
	} );

	if ( requests.length > 0 ) {
		JetpackLikesPostMessage(
			{ event: 'initialBatch', requests: requests },
			window.frames[ 'likes-master' ]
		);
	}
}

function JetpackLikesMessageListener( event ) {
	let message = event && event.data;
	if ( typeof message === 'string' ) {
		try {
			message = JSON.parse( message );
		} catch {
			return;
		}
	}

	const type = message && message.type;
	const data = message && message.data;

	if ( type !== 'likesMessage' || typeof data.event === 'undefined' ) {
		return;
	}

	// We only allow messages from one origin
	const allowedOrigin = 'https://widgets.wp.com';
	if ( allowedOrigin !== event.origin ) {
		return;
	}

	switch ( data.event ) {
		case 'masterReady':
			jetpackLikesDocReadyPromise.then( () => {
				jetpackLikesMasterReady = true;

				const stylesData = {
					event: 'injectStyles',
				};
				const sdTextColor = document.querySelector( '.sd-text-color' );
				const sdLinkColor = document.querySelector( '.sd-link-color' );
				const sdTextColorStyles = ( sdTextColor && getComputedStyle( sdTextColor ) ) || {};
				const sdLinkColorStyles = ( sdLinkColor && getComputedStyle( sdLinkColor ) ) || {};

				// enable reblogs if we're on a single post page
				if ( document.body.classList.contains( 'single' ) ) {
					JetpackLikesPostMessage( { event: 'reblogsEnabled' }, window.frames[ 'likes-master' ] );
				}

				stylesData.textStyles = {
					color: sdTextColorStyles.color,
					fontFamily: sdTextColorStyles[ 'font-family' ],
					fontSize: sdTextColorStyles[ 'font-size' ],
					direction: sdTextColorStyles.direction,
					fontWeight: sdTextColorStyles[ 'font-weight' ],
					fontStyle: sdTextColorStyles[ 'font-style' ],
					textDecoration: sdTextColorStyles[ 'text-decoration' ],
				};

				stylesData.linkStyles = {
					color: sdLinkColorStyles.color,
					fontFamily: sdLinkColorStyles[ 'font-family' ],
					fontSize: sdLinkColorStyles[ 'font-size' ],
					textDecoration: sdLinkColorStyles[ 'text-decoration' ],
					fontWeight: sdLinkColorStyles[ 'font-weight' ],
					fontStyle: sdLinkColorStyles[ 'font-style' ],
				};

				JetpackLikesPostMessage( stylesData, window.frames[ 'likes-master' ] );

				JetpackLikesBatchHandler();
			} );

			break;

		// We're keeping this for planned future follow ups.
		// @see: https://github.com/Automattic/jetpack/pull/42361#discussion_r1995338815
		case 'showLikeWidget':
			break;

		// We're keeping this for planned future follow ups.
		// @see: https://github.com/Automattic/jetpack/pull/42361#discussion_r1995338815
		case 'showCommentLikeWidget':
			break;

		case 'killCommentLikes':
			// If kill switch for comment likes is enabled remove all widgets wrappers and `Loading...` placeholders.
			document
				.querySelectorAll( '.jetpack-comment-likes-widget-wrapper' )
				.forEach( wrapper => wrapper.remove() );
			break;

		case 'clickReblogFlair':
			if ( wpcom_reblog && typeof wpcom_reblog.toggle_reblog_box_flair === 'function' ) {
				wpcom_reblog.toggle_reblog_box_flair( data.obj_id );
			}
			break;

		case 'hideOtherGravatars': {
			hideLikersPopover();
			break;
		}

		case 'showOtherGravatars': {
			const container = document.querySelector( '#likes-other-gravatars' );

			if ( ! container ) {
				break;
			}

			const list = container.querySelector( 'ul' );

			container.style.display = 'none';
			list.innerHTML = '';

			container
				.querySelectorAll( '.likes-text span' )
				.forEach( item => ( item.textContent = data.totalLikesLabel ) );

			( data.likers || [] ).forEach( async ( liker, index ) => {
				if ( liker.profile_URL.substr( 0, 4 ) !== 'http' ) {
					// We only display gravatars with http or https schema
					return;
				}

				const element = document.createElement( 'li' );
				list.append( element );

				const profileLink = encodeURI( liker.profile_URL );
				const avatarLink = encodeURI( liker.avatar_URL );
				element.innerHTML = `<a href="${ profileLink }" rel="nofollow" target="_parent" class="wpl-liker">
						<img src="${ avatarLink }"
							alt=""
							style="width: 28px; height: 28px;" />
						<span></span>
					</a>`;

				// Add some extra attributes through native methods, to ensure strings are sanitized.
				element.classList.add( liker.css_class );
				element.querySelector( 'img' ).alt = data.avatarAltTitle.replace( '%s', liker.name );
				element.querySelector( 'span' ).innerText = liker.name;

				if ( index === data.likers.length - 1 ) {
					element.addEventListener( 'keydown', e => {
						if ( e.key === 'Tab' && ! e.shiftKey ) {
							e.preventDefault();
							hideLikersPopover();

							JetpackLikesPostMessage(
								{ event: 'focusLikesCount', parent: data.parent },
								window.frames[ 'likes-master' ]
							);
						}
					} );
				}
			} );

			const positionPopup = function () {
				const containerStyle = getComputedStyle( container );
				const isRtl = containerStyle.direction === 'rtl';

				const el = document.querySelector( `*[name='${ data.parent }']` );
				const rect = el.getBoundingClientRect();
				const win = el.ownerDocument.defaultView;
				const offset = {
					top: rect.top + win.pageYOffset,
					left: rect.left + win.pageXOffset,
				};

				let containerLeft;
				container.style.top = offset.top + data.position.top - 1 + 'px';

				if ( isRtl ) {
					const visibleAvatarsCount = data && data.likers ? Math.min( data.likers.length, 5 ) : 0;
					// 24px is the width of the avatar + 4px is the padding between avatars
					containerLeft = offset.left + data.position.left + 24 * visibleAvatarsCount + 4;
					container.style.transform = 'translateX(-100%)';
				} else {
					containerLeft = offset.left + data.position.left;
				}
				container.style.left = containerLeft + 'px';

				// If the popup overflows viewport width, we should show it on the next line.
				// Push it offscreen to calculated rendered width.
				container.style.left = '-9999px';
				container.style.display = 'block';

				// If the popup exceeds the viewport width,
				// flip the position of the popup.
				const containerWidth = container.offsetWidth;
				const containerRight = containerLeft + containerWidth;
				if ( containerRight > win.innerWidth ) {
					containerLeft = rect.right - containerWidth;
				}

				// Set the container left
				container.style.left = containerLeft + 'px';
				container.setAttribute( 'aria-hidden', 'false' );
			};

			positionPopup();
			container.focus();

			const debounce = function ( func, wait ) {
				var timeout;
				return function () {
					var context = this;
					var args = arguments;
					clearTimeout( timeout );
					timeout = setTimeout( function () {
						func.apply( context, args );
					}, wait );
				};
			};

			const debouncedPositionPopup = debounce( positionPopup, 100 );

			// Keep a reference of this function in the element itself
			// so that we can destroy it later
			container.__resizeHandler = debouncedPositionPopup;

			// When window is resized, resize the popup.
			window.addEventListener( 'resize', debouncedPositionPopup );

			container.focus();
		}
	}
}

window.addEventListener( 'message', JetpackLikesMessageListener );

function hideLikersPopover() {
	const container = document.querySelector( '#likes-other-gravatars' );

	if ( container ) {
		container.style.display = 'none';
		container.setAttribute( 'aria-hidden', 'true' );

		// Remove the resize event listener and cleanup.
		const resizeHandler = container.__resizeHandler;
		if ( resizeHandler ) {
			window.removeEventListener( 'resize', resizeHandler );
			delete container.__resizeHandler;
		}
	}
}

document.addEventListener( 'click', hideLikersPopover );

function JetpackLikesWidgetQueueHandler() {
	var wrapperID;

	if ( ! jetpackLikesMasterReady ) {
		setTimeout( JetpackLikesWidgetQueueHandler, 500 );
		return;
	}

	// Restore widgets to initial unloaded state when they are scrolled out of view.
	jetpackUnloadScrolledOutWidgets();

	var unloadedWidgetsInView = jetpackGetUnloadedWidgetsInView();

	if ( unloadedWidgetsInView.length > 0 ) {
		// Grab any unloaded widgets for a batch request
		JetpackLikesBatchHandler();
	}

	for ( var i = 0, length = unloadedWidgetsInView.length; i <= length - 1; i++ ) {
		wrapperID = unloadedWidgetsInView[ i ].id;

		if ( ! wrapperID ) {
			continue;
		}

		jetpackLoadLikeWidgetIframe( wrapperID );
	}
}

function jetpackLoadLikeWidgetIframe( wrapperID ) {
	if ( typeof wrapperID === 'undefined' ) {
		return;
	}

	const wrapper = document.querySelector( '#' + wrapperID );
	wrapper.querySelectorAll( 'iframe' ).forEach( iFrame => iFrame.remove() );

	const placeholder = wrapper.querySelector( '.likes-widget-placeholder' );

	// Post like iframe
	if ( placeholder && placeholder.classList.contains( 'post-likes-widget-placeholder' ) ) {
		const postLikesFrame = document.createElement( 'iframe' );

		postLikesFrame.classList.add( 'post-likes-widget', 'jetpack-likes-widget' );
		postLikesFrame.name = wrapper.dataset.name;
		postLikesFrame.src = wrapper.dataset.src;
		postLikesFrame.height = '55px';
		postLikesFrame.width = '100%';
		postLikesFrame.frameBorder = '0';
		postLikesFrame.scrolling = 'no';
		postLikesFrame.title = wrapper.dataset.title;

		placeholder.after( postLikesFrame );
	}

	// Comment like iframe
	if ( placeholder.classList.contains( 'comment-likes-widget-placeholder' ) ) {
		const commentLikesFrame = document.createElement( 'iframe' );

		commentLikesFrame.class = 'comment-likes-widget-frame jetpack-likes-widget-frame';
		commentLikesFrame.name = wrapper.dataset.name;
		commentLikesFrame.src = wrapper.dataset.src;
		commentLikesFrame.height = '18px';
		commentLikesFrame.width = '100%';
		commentLikesFrame.frameBorder = '0';
		commentLikesFrame.scrolling = 'no';

		wrapper.querySelector( '.comment-like-feedback' ).after( commentLikesFrame );

		jetpackCommentLikesLoadedWidgets.push( commentLikesFrame );
	}

	wrapper.classList.remove( 'jetpack-likes-widget-unloaded' );
	wrapper.classList.add( 'jetpack-likes-widget-loading' );

	wrapper.querySelector( 'iframe' ).addEventListener( 'load', e => {
		JetpackLikesPostMessage(
			{ event: 'loadLikeWidget', name: e.target.name, width: e.target.width },
			window.frames[ 'likes-master' ]
		);

		wrapper.classList.remove( 'jetpack-likes-widget-loading' );
		wrapper.classList.add( 'jetpack-likes-widget-loaded' );
	} );
}

function jetpackGetUnloadedWidgetsInView() {
	const unloadedWidgets = document.querySelectorAll( 'div.jetpack-likes-widget-unloaded' );

	return [ ...unloadedWidgets ].filter( item => jetpackIsScrolledIntoView( item ) );
}

function jetpackIsScrolledIntoView( element ) {
	const top = element.getBoundingClientRect().top;
	const bottom = element.getBoundingClientRect().bottom;

	// Allow some slack above and bellow the fold with jetpackLikesLookAhead,
	// with the aim of hiding the transition from unloaded to loaded widget from users.
	return top + jetpackLikesLookAhead >= 0 && bottom <= window.innerHeight + jetpackLikesLookAhead;
}

function jetpackUnloadScrolledOutWidgets() {
	for ( let i = jetpackCommentLikesLoadedWidgets.length - 1; i >= 0; i-- ) {
		const currentWidgetIframe = jetpackCommentLikesLoadedWidgets[ i ];

		if ( ! jetpackIsScrolledIntoView( currentWidgetIframe ) ) {
			const widgetWrapper =
				currentWidgetIframe &&
				currentWidgetIframe.parentElement &&
				currentWidgetIframe.parentElement.parentElement;

			// Restore parent class to 'unloaded' so this widget can be picked up by queue manager again if needed.
			widgetWrapper.classList.remove( 'jetpack-likes-widget-loaded' );
			widgetWrapper.classList.remove( 'jetpack-likes-widget-loading' );
			widgetWrapper.classList.add( 'jetpack-likes-widget-unloaded' );

			// Remove it from the list of loaded widgets.
			jetpackCommentLikesLoadedWidgets.splice( i, 1 );

			// Remove comment like widget iFrame.
			currentWidgetIframe.remove();
		}
	}
}

var jetpackWidgetsDelayedExec = function ( after, fn ) {
	var timer;
	return function () {
		clearTimeout( timer );
		timer = setTimeout( fn, after );
	};
};

var jetpackOnScrollStopped = jetpackWidgetsDelayedExec( 250, JetpackLikesWidgetQueueHandler );

// Load initial batch of widgets, prior to any scrolling events.
JetpackLikesWidgetQueueHandler();

// Add event listener to execute queue handler after scroll.
window.addEventListener( 'scroll', jetpackOnScrollStopped, true );
;