$( function () {
	// sidebar-chunk only applies to desktop-small, but the toggles are hidden at
	// other resolutions regardless and the css overrides any visible effects.
	var $dropdowns = $( '#personal, #p-variants-desktop, .sidebar-chunk' );

	/**
	 * Desktop menu click-toggling
	 *
	 * We're not even checking if it's desktop because the classes in play have no effect
	 * on mobile regardless... this may break things at some point, though.
	 */

	/**
	 * Close all dropdowns
	 */
	function closeOpen() {
		$dropdowns.removeClass( 'dropdown-active' );
	}

	/**
	 * Click behaviour
	 */
	$dropdowns.on( 'click', function ( e ) {
		// Check if it's already open so we don't open it again
		// eslint-disable-next-line no-jquery/no-class-state
		if ( $( this ).hasClass( 'dropdown-active' ) ) {
			if ( $( e.target ).closest( $( 'h2, #p-variants-desktop h3' ) ).length > 0 ) {
				// treat reclick on the header as a toggle
				closeOpen();
			}
			// Clicked inside an open menu; don't do anything
		} else {
			closeOpen();
			e.stopPropagation(); // stop hiding it!
			$( this ).addClass( 'dropdown-active' );
		}
	} );
	$( document ).on( 'click', function ( e ) {
		if ( $( e.target ).closest( $dropdowns ).length > 0 ) {
			// Clicked inside an open menu; don't close anything
		} else {
			closeOpen();
		}
	} );
} );

mw.hook( 'wikipage.content' ).add( function ( $content ) {
	// Gotta wrap them for this to work; maybe later the parser etc will do this for us?!
	$content.find( 'div > table:not( table table )' ).wrap( '<div class="content-table-wrapper"><div class="content-table"></div></div>' );
	$content.find( '.content-table-wrapper' ).prepend( '<div class="content-table-left"></div><div class="content-table-right"></div>' );

	/**
	 * Set up borders for experimental overflowing table scrolling
	 *
	 * I have no idea what I'm doing.
	 *
	 * @param {jQuery} $table
	 */
	function setScrollClass( $table ) {
		var $tableWrapper = $table.parent(),
			$wrapper = $tableWrapper.parent(),
			// wtf browser rtl implementations
			scroll = Math.abs( $tableWrapper.scrollLeft() );

		// 1 instead of 0 because of weird rtl rounding errors or something (?!)
		if ( scroll > 1 ) {
			$wrapper.addClass( 'scroll-left' );
		} else {
			$wrapper.removeClass( 'scroll-left' );
		}

		if ( $table.outerWidth() - $tableWrapper.innerWidth() - scroll > 1 ) {
			$wrapper.addClass( 'scroll-right' );
		} else {
			$wrapper.removeClass( 'scroll-right' );
		}
	}

	$content.find( '.content-table' ).on( 'scroll', function () {
		setScrollClass( $( this ).children( 'table' ).first() );
	} );

	/**
	 * Mark overflowed tables for scrolling
	 */
	function unOverflowTables() {
		$content.find( '.content-table > table' ).each( function () {
			var $table = $( this ),
				$wrapper = $table.parent().parent();
			if ( $table.outerWidth() > $wrapper.outerWidth() ) {
				$wrapper.addClass( 'overflowed' );
				setScrollClass( $table );
			} else {
				$wrapper.removeClass( 'overflowed scroll-left scroll-right fixed-scrollbar-container' );
			}
		} );
	}

	unOverflowTables();
	$( window ).on( 'resize', unOverflowTables );
} );