jQuery( function( $ ) {
	var hash = window.location.hash;

	learndashFocusModeSidebarAutoScroll();

	initLoginModal();
	if ( '#login' == hash ) {
		openLoginModal();
	}

	if ( 'undefined' !== typeof ldGetUrlVars().login ) {
		var loginStatus = ldGetUrlVars().login;

		if ( 'failed' == loginStatus ) {
			openLoginModal();
		}
	}

	if ( 'undefined' !== typeof ldGetUrlVars()['ld-topic-page'] ) {
		var topicPage = ldGetUrlVars()['ld-topic-page'];
		var topicIds = topicPage.split( '-' );
		var topicId = Object.values( topicIds )[0];

		var lesson = $( '#ld-expand-' + topicId );
		var button = $( lesson ).find( '.ld-expand-button' );

		ld_expand_element( button );

		$( 'html, body' ).animate( {
			scrollTop: ( $( lesson ).offset().top ),
		}, 500 );
	}

	$( 'body' ).on( 'click', 'a[href="#login"]', function( e ) {
		e.preventDefault();
		openLoginModal();
	} );

	$( 'body' ).on( 'click', '.ld-modal-closer', function( e ) {
		e.preventDefault();
		closeLoginModal();
	} );

	$( 'body' ).on( 'click', '#ld-comments-post-button', function( e ) {
		$( this ).addClass( 'ld-open' );
		$( '#ld-comments-form' ).removeClass( 'ld-collapsed' );
		$( 'textarea#comment' ).focus();
	} );

	// Close modal if clicking away
	/*
	$('body').on('click', function(e) {
		if ($('.learndash-wrapper').hasClass('ld-modal-open')) {
			if ( ! $(e.target).parents('.ld-modal').length && (! $(e.target).is('a'))) {
				closeLoginModal();
			}
		}
	});
	*/

	// Close modal on Esc key
	$( document ).on( 'keyup', function( e ) {
		if ( 27 === e.keyCode ) {
			closeLoginModal();
		}
	} );

	$( '.learndash-wrapper' ).on( 'click', 'a.user_statistic', learndash_ld30_show_user_statistic );

	focusMobileCheck();

	$( 'body' ).on( 'click', '.ld-focus-sidebar-trigger', function( e ) {
		if ( $( '.ld-focus' ).hasClass( 'ld-focus-sidebar-collapsed' ) ) {
			openFocusSidebar();
		} else {
			closeFocusSidebar();
		}
	} );

	$( 'body' ).on( 'click', '.ld-mobile-nav a', function( e ) {
		e.preventDefault();
		if ( $( '.ld-focus' ).hasClass( 'ld-focus-sidebar-collapsed' ) ) {
			openFocusSidebar();
		} else {
			closeFocusSidebar();
		}
	} );

	$( '.ld-js-register-account' ).on( 'click', function( e ) {
		e.preventDefault();

		$( '.ld-login-modal-register .ld-modal-text' ).slideUp( 'slow' );
		$( '.ld-login-modal-register .ld-alert' ).slideUp( 'slow' );
		$( this ).slideUp( 'slow', function() {
			$( '#ld-user-register' ).slideDown( 'slow' );
		} );
	} );

	var windowWidth = $( window ).width();

	$( window ).on( 'orientationchange', function() {
		windowWidth = $( window ).width();
	} );

	$( window ).on( 'resize', function() {
		if ( $( this ).width() !== windowWidth && 1024 >= $( this ).width() ) {
			setTimeout( function() {
				focusMobileResizeCheck();
			}, 50 );
		}
	} );

	if ( $( '.ld-course-status-content' ).length ) {
		var tallest = 0;

		$( '.ld-course-status-content' ).each( function() {
			if ( $( this ).height() > tallest ) {
				tallest = $( this ).height();
			}
		} );

		$( '.ld-course-status-content' ).height( tallest );
	}

	function focusMobileCheck() {
		if ( 1024 > $( window ).width() ) {
			closeFocusSidebarPageLoad();
		}
	}

	function focusMobileResizeCheck() {
		if ( 1024 > $( window ).width() && ! $( '.ld-focus' ).hasClass( 'ld-focus-sidebar-collapsed' ) ) {
			closeFocusSidebar();
		} else if ( 1024 <= $( window ).width() && $( '.ld-focus' ).hasClass( 'ld-focus-sidebar-filtered' ) ) {
			closeFocusSidebar();
		} else if ( 1024 <= $( window ).width() &&
			! $( '.ld-focus' ).hasClass( 'ld-focus-sidebar-filtered' ) &&
			$( '.ld-focus' ).hasClass( 'ld-focus-sidebar-collapsed' ) ) {
			openFocusSidebar();
		}
	}

	function focusMobileHandleOrientationChange( e ) {
		if ( e.matches ) {
			if ( 1024 <= $( window ).width() &&
			! $( '.ld-focus' ).hasClass( 'ld-focus-sidebar-filtered' ) &&
			$( '.ld-focus' ).hasClass( 'ld-focus-sidebar-collapsed' ) ) {
				openFocusSidebar();
			}
		}
	}
	window.matchMedia( '(orientation: landscape)' ).addListener( focusMobileHandleOrientationChange );

	function closeFocusSidebarPageLoad() {
		$( '.ld-focus' ).addClass( 'ld-focus-sidebar-collapsed' );
		$( '.ld-focus' ).removeClass( 'ld-focus-initial-transition' );
		$( '.ld-mobile-nav' ).removeClass( 'expanded' );
		positionTooltips();
	}

	function closeFocusSidebar() {
		$( '.ld-focus' ).addClass( 'ld-focus-sidebar-collapsed' );
		$( '.ld-mobile-nav' ).removeClass( 'expanded' );

		if ( $( '.ld-focus-sidebar-trigger .ld-icon' ).hasClass( 'ld-icon-arrow-left' ) ) {
			$( '.ld-focus-sidebar-trigger .ld-icon' ).removeClass( 'ld-icon-arrow-left' );
			$( '.ld-focus-sidebar-trigger .ld-icon' ).addClass( 'ld-icon-arrow-right' );
		} else if ( $( '.ld-focus-sidebar-trigger .ld-icon' ).hasClass( 'ld-icon-arrow-right' ) ) {
			$( '.ld-focus-sidebar-trigger .ld-icon' ).removeClass( 'ld-icon-arrow-right' );
			$( '.ld-focus-sidebar-trigger .ld-icon' ).addClass( 'ld-icon-arrow-left' );
		}

		positionTooltips();
	}

	function openFocusSidebar() {
		$( '.ld-focus' ).removeClass( 'ld-focus-sidebar-collapsed' );
		$( '.ld-mobile-nav' ).addClass( 'expanded' );

		if ( $( '.ld-focus-sidebar-trigger .ld-icon' ).hasClass( 'ld-icon-arrow-left' ) ) {
			$( '.ld-focus-sidebar-trigger .ld-icon' ).removeClass( 'ld-icon-arrow-left' );
			$( '.ld-focus-sidebar-trigger .ld-icon' ).addClass( 'ld-icon-arrow-right' );
		} else if ( $( '.ld-focus-sidebar-trigger .ld-icon' ).hasClass( 'ld-icon-arrow-right' ) ) {
			$( '.ld-focus-sidebar-trigger .ld-icon' ).removeClass( 'ld-icon-arrow-right' );
			$( '.ld-focus-sidebar-trigger .ld-icon' ).addClass( 'ld-icon-arrow-left' );
		}

		positionTooltips();
	}

	$( '.ld-file-input' ).each( function() {
		var $input	 = $( this ),
			$label	 = $input.next( 'label' ),
			labelVal = $label.html();

		$input.on( 'change', function( e ) {
			var fileName = '';
			if ( this.files && 1 < this.files.length ) {
				fileName = ( this.getAttribute( 'data-multiple-caption' ) || '' ).replace( '{count}', this.files.length );
			} else if ( e.target.value ) {
				fileName = e.target.value.split( '\\' ).pop();
			}
			if ( fileName ) {
				$label.find( 'span' ).html( fileName );
				$label.addClass( 'ld-file-selected' );
				$( '#uploadfile_btn' ).attr( 'disabled', false );
			} else {
				$label.html( labelVal );
				$label.removeClass( 'ld-file-selected' );
				$( '#uploadfile_btn' ).attr( 'disabled', true );
			}
		} );

		$( '#uploadfile_form' ).on( 'submit', function() {
			$label.removeClass( 'ld-file-selected' );
			$( '#uploadfile_btn' ).attr( 'disabled', true );
		} );

		// Firefox bug fix
		$input
			.on( 'focus', function() {
				$input.addClass( 'has-focus' );
			} )
			.on( 'blur', function() {
				$input.removeClass( 'has-focus' );
			} );
	} );

	$( 'body' ).on( 'click', '.ld-expand-button', function( e ) {
		e.preventDefault();

		ld_expand_element( $( this ) );

		positionTooltips();
	} );

	$( 'body' ).on( 'click', '.ld-search-prompt', function( e ) {
		e.preventDefault();

		$( '#course_name_field' ).focus();

		ld_expand_element( $( this ) );
	} );

	function ld_expand_button_state( state, elm ) {
		var $expandText = ( $( elm )[0].hasAttribute( 'data-ld-expand-text' ) ) ? $( elm ).attr( 'data-ld-expand-text' ) : 'Expand';
		var $collapseText = ( $( elm )[0].hasAttribute( 'data-ld-collapse-text' ) ) ? $( elm ).attr( 'data-ld-collapse-text' ) : 'Collapse';

		if ( 'collapse' == state ) {
			$( elm ).removeClass( 'ld-expanded' );
			if ( 'false' !== $collapseText ) {
				$( elm ).find( '.ld-text' ).text( $expandText );
			}
		} else {
			$( elm ).addClass( 'ld-expanded' );
			if ( 'false' !== $collapseText ) {
				$( elm ).find( '.ld-text' ).text( $collapseText );
			}
		}
	}

	function ld_expand_element( elm, collapse ) {
		if ( collapse === undefined ) {
			collapse = false;
		}

		var elmParentWrapper = elm.parents( '.ld-focus-sidebar' );
		if ( ( 'undefined' === typeof elmParentWrapper ) || ( ! elmParentWrapper.length ) ) {
			var elmParentWrapper = elm.parents( '.learndash-wrapper' );
		}
		if ( ( 'undefined' === typeof elmParentWrapper ) || ( ! elmParentWrapper.length ) ) {
			return;
		}

		// Get the button's state
		var $expanded = $( elm ).hasClass( 'ld-expanded' );

		// Get the element to expand
		if ( $( elm )[0] && $( elm )[0].hasAttribute( 'data-ld-expands' ) ) {
			var $expands      = $( elm ).attr( 'data-ld-expands' );
			if ( ( 'undefined' === typeof $expands ) || ( ! $expands.length ) ) {
				return;
			}

			var $expandElm    = $(elmParentWrapper).find( '[data-ld-expand-id="'+ $expands+'"]' );
			if ( ( 'undefined' === typeof $expandElm ) || ( ! $expandElm.length ) ) {
				return;
			}

			var $expandsChild = $( $expandElm ).find( '.ld-item-list-item-expanded' );

			if ( $expandsChild.length ) {
				$expandElm = $expandsChild;
			}

			var totalHeight = 0;

			$expandElm.find( '> *' ).each( function() {
				totalHeight += $( this ).outerHeight();
			} );

			$expandElm.attr( 'data-height', '' + ( totalHeight + 50 ) + '' );

			// If the element expands a list

			if ( $(elmParentWrapper).find( '[data-ld-expand-id="'+ $expands+'"]' )[0].hasAttribute( 'data-ld-expand-list' ) ) {

				var $container = $(elmParentWrapper).find( '[data-ld-expand-id="'+ $expands+'"]' );
				var innerButtons = $container.find( '.ld-expand-button' );
				if ( $expanded ) {
					ld_expand_button_state( 'collapse', elm );
					innerButtons.each( function() {
						ld_expand_element( $( this ), true );
					} );
				} else {
					ld_expand_button_state( 'expand', elm );
					innerButtons.each( function() {
						ld_expand_element( $( this ) );
					} );
				}

				// If the element expands an item
			} else if ( $(elmParentWrapper).find( '[data-ld-expand-id="'+ $expands+'"]' ).length ) {
				if ( $expanded || true == collapse ) {
					ld_expand_singular_item( elm, $(elmParentWrapper).find( '[data-ld-expand-id="'+ $expands+'"]' ), $expandElm );
				} else {
					ld_collapse_singular_item( elm, $(elmParentWrapper).find( '[data-ld-expand-id="'+ $expands+'"]' ), $expandElm );
				}
			} else {
				console.log( 'LearnDash: No expandable content was found' );
			}
			positionTooltips();
		}
	}

	function ld_expand_singular_item( elm, $containerElm, $expandElm ) {
		$containerElm.removeClass( 'ld-expanded' );
		ld_expand_button_state( 'collapse', elm );

		$expandElm.css( {
			'max-height': 0,
		} );
	}

	function ld_collapse_singular_item( elm, $containerElm, $expandElm ) {
		$containerElm.addClass( 'ld-expanded' );

		ld_expand_button_state( 'expand', elm );

		$expandElm.css( {
			'max-height': $expandElm.data( 'height' ),
		} );
	}

	$( 'body' ).on( 'click', '.ld-closer', function( e ) {
		ld_expand_element( $( '.ld-search-prompt' ), true );
	} );

	$( 'body' ).on( 'click', '.ld-tabs-navigation .ld-tab', function() {
		var $tab = $( '#' + $( this ).attr( 'data-ld-tab' ) );
		if ( $tab.length ) {
			$( '.ld-tabs-navigation .ld-tab.ld-active' ).removeClass( 'ld-active' );
			$( '.ld-tabs-navigation .ld-tab' ).removeAttr( 'aria-selected' );
			$( this ).addClass( 'ld-active' );
			$( this ).attr( 'aria-selected', 'true' );
			$( '.ld-tabs-content .ld-tab-content.ld-visible' ).removeClass( 'ld-visible' );
			$tab.addClass( 'ld-visible' );
		}
		positionTooltips();
	} );

	var $tooltips = $( '*[data-ld-tooltip]' );

	initTooltips();

	function initTooltips() {
		// Clear out old tooltips

		if ( $( '#learndash-tooltips' ).length ) {
			$( '#learndash-tooltips' ).remove();
			$tooltips = $( '*[data-ld-tooltip]' );
		}

		if ( $tooltips.length ) {
			$( 'body' ).prepend( '<div id="learndash-tooltips"></div>' );
			var $ctr = 1;
			$tooltips.each( function() {
				var anchor = $( this );
				if ( anchor.hasClass( 'ld-item-list-item' ) ) {
					anchor = anchor.find( '.ld-item-title' );
				}

				/**
				 * Prevent calendar icon from being clickable.
				 */
				if ( ( "undefined" !== typeof anchor ) && ( $( anchor ).hasClass( 'ld-status-waiting' ) ) ) {
					$( anchor ).on( 'click', function( e ) {
						e.preventDefault();
						return false;
					} );

					// Also prevent parent <a> from being clickable.
					var parent_anchor = $( anchor ).parents( 'a' );
					if ( "undefined" !== typeof parent_anchor ) {
						$( parent_anchor ).on( 'click', function( e ) {
							e.preventDefault();
							return false;
						} );
					}
				}


				var elementOffsets = {
					top: anchor.offset().top,
					left: anchor.offset().left + ( anchor.outerWidth() / 2 ),
				};
				var $content = $( this ).attr( 'data-ld-tooltip' );
				var $rel_id = Math.floor( ( Math.random() * 99999 ) );

				//var $tooltip = '<span id="ld-tooltip-' + $rel_id + '" class="ld-tooltip" style="top:' + elementOffsets.top + 'px; left:' + elementOffsets.left + 'px;">' + $content + '</span>';
				var $tooltip = '<span id="ld-tooltip-' + $rel_id + '" class="ld-tooltip">' + $content + '</span>';
				$( this ).attr( 'data-ld-tooltip-id', $rel_id );
				$( '#learndash-tooltips' ).append( $tooltip );
				$ctr++;
				var $tooltip = $( '#ld-tooltip-' + $rel_id );
				$( this ).on( 'mouseenter', function() {
					$tooltip.addClass( 'ld-visible' );
				} ).on( 'mouseleave', function() {
					$tooltip.removeClass( 'ld-visible' );
				} );
			} );

			$( window ).on( 'resize', function() {
				// Reposition tooltips after resizing
				positionTooltips();
			} );

			$( window ).add( '.ld-focus-sidebar-wrapper' ).on( 'scroll', function() {
				// Hide tooltips so they don't persist while scrolling
				$( '.ld-visible.ld-tooltip' ).removeClass( 'ld-visible' );

				// Reposition tooltips after scrolling
				positionTooltips();
			} );

			positionTooltips();
		}
	}

	function initLoginModal() {
		var modal_wrapper = $( '.learndash-wrapper-login-modal' );
		if ( ( 'undefined' !== typeof modal_wrapper ) && ( modal_wrapper.length ) ) {
			// Move the model to be first element of the body. See LEARNDASH-3503
			$( modal_wrapper ).prependTo( 'body' );
		}
	}

	function openLoginModal() {
		var modal_wrapper = $( '.learndash-wrapper-login-modal' );
		if ( ( 'undefined' !== typeof modal_wrapper ) && ( modal_wrapper.length ) ) {
			$( modal_wrapper ).addClass( 'ld-modal-open' );
			$( modal_wrapper ).removeClass( 'ld-modal-closed' );

			// Removed LEARNDASH-3867 #4
			$( 'html, body' ).animate( {
				scrollTop: $( '.ld-modal', modal_wrapper ).offset().top,
			}, 50 );
		}
	}

	function closeLoginModal() {
		var modal_wrapper = $( '.learndash-wrapper-login-modal' );
		if ( ( 'undefined' !== typeof modal_wrapper ) && ( modal_wrapper.length ) ) {
			$( modal_wrapper ).removeClass( 'ld-modal-open' );
			$( modal_wrapper ).addClass( 'ld-modal-closed' );
		}
	}

	function positionTooltips() {
		if ( 'undefined' !== typeof $tooltips ) {
			setTimeout( function() {
				$tooltips.each( function() {
					var anchor = $( this );
					var $rel_id = anchor.attr( 'data-ld-tooltip-id' );
					$tooltip = $( '#ld-tooltip-' + $rel_id );

					if ( anchor.hasClass( 'ld-item-list-item' ) ) {
						//anchor = anchor.find('.ld-item-title');
						anchor = anchor.find( '.ld-status-icon' );
					}

					var parent_focus = jQuery( anchor ).parents( '.ld-focus-sidebar' );
					var left_post = anchor.offset().left + ( anchor.outerWidth() + 10 );
					if ( parent_focus.length ) {
						left_post = anchor.offset().left + ( anchor.outerWidth() - 18 );
					}

					// Get the main content height
					var focusModeMainContentHeight = $( '.ld-focus-main' ).height();

					// Current tooltip height
					var focusModeCurrentTooltipHeight = anchor.offset().top + -3;

					// Position tooltip depending on focus mode or not
					if ( ! focusModeMainContentHeight ) {
						var anchorTop = anchor.offset().top + -3;
						var anchorLeft = anchor.offset().left;
					} else {
						anchorTop = focusModeCurrentTooltipHeight < focusModeMainContentHeight ? focusModeCurrentTooltipHeight : focusModeMainContentHeight;
						anchorLeft = left_post;
					}

					$tooltip.css( {
						top: anchorTop,

						//'left' : anchor.offset().left + (anchor.outerWidth() / 2),
						//'left': left_post, //anchor.offset().left + (anchor.outerWidth() +10),
						left: anchorLeft, //anchor.offset().left + (anchor.outerWidth() +10),
						'margin-left': 0,
						'margin-right': 0,
					} ).removeClass( 'ld-shifted-left ld-shifted-right' );
					if ( $tooltip.offset().left <= 0 ) {
						$tooltip.css( { 'margin-left': Math.abs( $tooltip.offset().left ) } ).addClass( 'ld-shifted-left' );
					}
					var $tooltipRight = $( window ).width() - ( $tooltip.offset().left + $tooltip.outerWidth() );
					if ( 0 >= $tooltipRight && 360 < $( window ).width() ) {
						$tooltip.css( { 'margin-right': Math.abs( $tooltipRight ) } ).addClass( 'ld-shifted-right' );
					}
				} );
			}, 500 );
		}
	}

	$( 'body' ).on( 'click', '#ld-profile .ld-reset-button', function( e ) {
		e.preventDefault();

		$( '#ld-profile #course_name_field' ).val('');

		var searchVars = {
			shortcode_instance: $( '#ld-profile' ).data( 'shortcode_instance' ),
		};

		searchVars['ld-profile-search'] = $( this ).parents( '.ld-item-search-wrapper' ).find( '#course_name_field' ).val();
		searchVars['ld-profile-search-nonce'] = $( this ).parents( '.ld-item-search-wrapper' ).find( 'form.ld-item-search-fields' ).data( 'nonce' );

		$( '#ld-profile #ld-main-course-list' ).addClass( 'ld-loading' );

		$.ajax( {
			type: 'GET',
			url: ldVars.ajaxurl + '?action=ld30_ajax_profile_search',
			data: searchVars,
			success: function( response ) {
				if ( 'undefined' !== typeof response.data.markup ) {
					$( '#ld-profile' ).html( response.data.markup );
					ld_expand_element( '#ld-profile .ld-search-prompt', false );
				}
			},
		} );
	} );

	$( 'body' ).on( 'submit', '.ld-item-search-fields', function( e ) {
		e.preventDefault();

		var searchVars = {
			shortcode_instance: $( '#ld-profile' ).data( 'shortcode_instance' ),
		};

		searchVars['ld-profile-search'] = $( this ).parents( '.ld-item-search-wrapper' ).find( '#course_name_field' ).val();
		searchVars['ld-profile-search-nonce'] = $( this ).parents( '.ld-item-search-wrapper' ).find( 'form.ld-item-search-fields' ).data( 'nonce' );

		$( '#ld-profile #ld-main-course-list' ).addClass( 'ld-loading' );

		$.ajax( {
			type: 'GET',
			url: ldVars.ajaxurl + '?action=ld30_ajax_profile_search',
			data: searchVars,
			success: function( response ) {
				if ( 'undefined' !== typeof response.data.markup ) {
					$( '#ld-profile' ).html( response.data.markup );
					ld_expand_element( '#ld-profile .ld-search-prompt', false );
				}
			},
		} );
	} );

	$( 'body' ).on( 'click', '.ld-pagination a', function( e ) {
		e.preventDefault();

		var linkVars = {};
		var parentVars = {};

		$( this ).attr( 'href' ).replace( /[?&]+([^=&]+)=([^&]*)/gi, function( m, key, value ) {
			linkVars[key] = value;
		} );

		linkVars.pager_nonce = $( this ).parents( '.ld-pagination' ).data( 'pager-nonce' );

		linkVars.pager_results = $( this ).parents( '.ld-pagination' ).data( 'pager-results' );

		linkVars.context = $( this ).data( 'context' );
		console.log( 'linkVars[%o]', linkVars );

		parentVars.currentTarget = e.currentTarget;

		if ( 'profile' != linkVars.context ) {
			linkVars.lesson_id = $( this ).data( 'lesson_id' );
			linkVars.course_id = $( this ).data( 'course_id' );

			if ( $( '.ld-course-nav-' + linkVars.course_id ).length ) {
				linkVars.widget_instance = $( '.ld-course-nav-' + linkVars.course_id ).data( 'widget_instance' );
			}
		}

		if ( 'course_topics' == linkVars.context ) {
			$( '#ld-topic-list-' + linkVars.lesson_id ).addClass( 'ld-loading' );
			$( '#ld-nav-content-list-' + linkVars.lesson_id ).addClass( 'ld-loading' );
		}

		if ( 'course_content_shortcode' == linkVars.context ) {
			parentVars.parent_container = $( parentVars.currentTarget ).closest( '.ld-course-content-' + linkVars.course_id );
			if ( ( 'undefined' !== typeof parentVars.parent_container ) && ( parentVars.parent_container.length ) ) {
				$( parentVars.parent_container ).addClass( 'ld-loading' );
				linkVars.shortcode_instance = $( parentVars.parent_container ).data( 'shortcode_instance' );
			} else {
				$( '.ld-course-content-' + linkVars.course_id ).addClass( 'ld-loading' );
				linkVars.shortcode_instance = $( '.ld-course-content-' + linkVars.course_id ).data( 'shortcode_instance' );
			}
		} else if ( 'course_lessons' == linkVars.context ) {
			var parent_container;

			// Check if we are within the Course Navigation Widget.
			if ( ( 'undefined' === typeof parentVars.parent_container ) || ( ! parentVars.parent_container.length ) ) {
				parent_container = $( parentVars.currentTarget ).parents( '.ld-lesson-navigation' );
				if ( ( 'undefined' !== typeof parent_container ) && ( parent_container.length ) ) {
					parentVars.context_sub = 'course_navigation_widget';
					parentVars.parent_container = $( parentVars.currentTarget ).parents( '#ld-lesson-list-' + linkVars.course_id );
				}
			}

			// Check if we are within the Focus Mode Sidebar.
			if ( ( 'undefined' === typeof parentVars.parent_container ) || ( ! parentVars.parent_container.length ) ) {
				parent_container = $( parentVars.currentTarget ).parents( '.ld-focus-sidebar-wrapper' );
				if ( ( 'undefined' !== typeof parent_container ) && ( parent_container.length ) ) {
					parentVars.context_sub = 'focus_mode_sidebar';
					parentVars.parent_container = $( parentVars.currentTarget ).parents( '#ld-lesson-list-' + linkVars.course_id );
				}
			}

			if ( ( 'undefined' === typeof parentVars.parent_container ) || ( ! parentVars.parent_container.length ) ) {
				parentVars.parent_container = $( parentVars.currentTarget ).closest( '#ld-item-list-' + linkVars.course_id, '#ld-lesson-list-' + linkVars.course_id );
			}
			if ( ( 'undefined' !== typeof parentVars.parent_container ) && ( parentVars.parent_container.length ) ) {
				$( parentVars.parent_container ).addClass( 'ld-loading' );
			} else {
				// Fallback solution.
				$( '#ld-item-list-' + linkVars.course_id ).addClass( 'ld-loading' );
				$( '#ld-lesson-list-' + linkVars.course_id ).addClass( 'ld-loading' );
			}
		}

		if ( 'profile' == linkVars.context ) {
			$( '#ld-profile #ld-main-course-list' ).addClass( 'ld-loading' );
			linkVars.shortcode_instance = $( '#ld-profile' ).data( 'shortcode_instance' );
		}

		if ( 'profile_quizzes' == linkVars.context ) {
			$( '#ld-course-list-item-' + linkVars.pager_results.quiz_course_id + ' .ld-item-contents' ).addClass( 'ld-loading' );
		}

		if ( 'course_info_courses' == linkVars.context ) {
			$( '.ld-user-status' ).addClass( 'ld-loading' );
			linkVars.shortcode_instance = $( '.ld-user-status' ).data( 'shortcode-atts' );
		}

		if ( 'group_courses' == linkVars.context ) {
			linkVars.group_id = $( this ).data( 'group_id' );
			if ( 'undefined' !== typeof linkVars.group_id ) {
				parent_container = $( parentVars.currentTarget ).parents( '.ld-group-courses-' + linkVars.group_id );
				if ( ( 'undefined' !== typeof parent_container ) && ( parent_container.length ) ) {
					$( parent_container ).addClass( 'ld-loading' );
					parentVars.parent_container = parent_container;
				}
			}
		}

		$.ajax( {
			type: 'GET',
			url: ldVars.ajaxurl + '?action=ld30_ajax_pager',
			data: linkVars,
			success: function( response ) {
				// If we have a course listing, update

				if ( 'course_topics' == linkVars.context ) {
					if ( $( '#ld-topic-list-' + linkVars.lesson_id ).length ) {
						if ( 'undefined' !== typeof response.data.topics ) {
							$( '#ld-topic-list-' + linkVars.lesson_id ).html( response.data.topics );
						}

						if ( 'undefined' !== typeof response.data.pager ) {
							$( '#ld-expand-' + linkVars.lesson_id ).find( '.ld-table-list-footer' ).html( response.data.pager );
						}

						learndashSetMaxHeight( $( '.ld-lesson-item-' + linkVars.lesson_id ).find( '.ld-item-list-item-expanded' ) );

						$( '#ld-topic-list-' + linkVars.lesson_id ).removeClass( 'ld-loading' );
					}

					if ( $( '#ld-nav-content-list-' + linkVars.lesson_id ).length ) {
						if ( 'undefined' !== typeof response.data.nav_topics ) {
							$( '#ld-nav-content-list-' + linkVars.lesson_id ).find( '.ld-table-list-items' ).html( response.data.topics );
						}

						if ( 'undefined' !== typeof response.data.pager ) {
							$( '#ld-nav-content-list-' + linkVars.lesson_id ).find( '.ld-table-list-footer' ).html( response.data.pager );
						}

						$( '#ld-nav-content-list-' + linkVars.lesson_id ).removeClass( 'ld-loading' );
					}
				}

				if ( 'course_content_shortcode' == linkVars.context ) {
					if ( 'undefined' !== typeof response.data.markup ) {
						if ( ( 'undefined' !== typeof parentVars.parent_container ) && ( parentVars.parent_container.length ) ) {
							$( parentVars.parent_container ).replaceWith( response.data.markup );
						} else {
							$( '#learndash_post_' + linkVars.course_id ).replaceWith( response.data.markup );
						}
					}
				} else if ( 'course_lessons' == linkVars.context ) {
					if ( ( 'undefined' !== typeof parentVars.parent_container ) && ( parentVars.parent_container.length ) ) {
						if ( 'course_navigation_widget' == parentVars.context_sub ) {
							if ( 'undefined' !== typeof response.data.nav_lessons ) {
								$( parentVars.parent_container ).html( response.data.nav_lessons ).removeClass( 'ld-loading' );
							}
						} else if ( 'focus_mode_sidebar' == parentVars.context_sub ) {
							if ( 'undefined' !== typeof response.data.nav_lessons ) {
								$( parentVars.parent_container ).html( response.data.nav_lessons ).removeClass( 'ld-loading' );
							}
						} else if ( 'undefined' !== typeof response.data.lessons ) {
							$( parentVars.parent_container ).html( response.data.lessons ).removeClass( 'ld-loading' );
						}
					} else {
						if ( $( '#ld-item-list-' + linkVars.course_id ).length ) {
							if ( 'undefined' !== typeof response.data.lessons ) {
								$( '#ld-item-list-' + linkVars.course_id ).html( response.data.lessons ).removeClass( 'ld-loading' );
							}
						}

						if ( $( '#ld-lesson-list-' + linkVars.course_id ).length ) {
							if ( 'undefined' !== typeof response.data.nav_lessons ) {
								$( '#ld-lesson-list-' + linkVars.course_id ).html( response.data.nav_lessons ).removeClass( 'ld-loading' );
							}
						}
					}
				}

				if ( 'group_courses' == linkVars.context ) {
					if ( ( 'undefined' !== typeof parentVars.parent_container ) && ( parentVars.parent_container.length ) ) {
						if ( 'undefined' !== typeof response.data.markup ) {
							$( parentVars.parent_container ).html( response.data.markup ).removeClass( 'ld-loading' );
						}
					}
				}

				if ( 'profile' == linkVars.context ) {
					if ( 'undefined' !== typeof response.data.markup ) {
						$( '#ld-profile' ).html( response.data.markup );
					}
				}

				if ( 'profile_quizzes' == linkVars.context ) {
					if ( 'undefined' !== typeof response.data.markup ) {
						$( '#ld-course-list-item-' + linkVars.pager_results.quiz_course_id + ' .ld-item-list-item-expanded .ld-item-contents' ).replaceWith( response.data.markup );
						$( '#ld-course-list-item-' + linkVars.pager_results.quiz_course_id ).get( 0 ).scrollIntoView( { behavior: 'smooth' } );
					}
				}

				if ( 'course_info_courses' == linkVars.context ) {
					if ( 'undefined' !== typeof response.data.markup ) {
						$( '.ld-user-status' ).replaceWith( response.data.markup );
					}
				}

				$( 'body' ).trigger( 'ld_has_paginated' );

				initTooltips();
			},
		} );
	} );

	if ( $( '#learndash_timer' ).length ) {
		var timer_el 		= jQuery( '#learndash_timer' );
		var timer_seconds 	= timer_el.attr( 'data-timer-seconds' );
		var timer_button_el = jQuery( timer_el.attr( 'data-button' ) );

		var cookie_key = timer_el.attr( 'data-cookie-key' );

		if ( 'undefined' !== typeof cookie_key ) {
			var cookie_name = 'learndash_timer_cookie_' + cookie_key;
		} else {
			var cookie_name = 'learndash_timer_cookie';
		}

		cookie_timer_seconds = jQuery.cookie( cookie_name );

		if ( 'undefined' !== typeof cookie_timer_seconds ) {
			timer_seconds = parseInt( cookie_timer_seconds );
		}

		if ( 0 == timer_seconds ) {
			$( timer_el ).hide();
		}

		$( timer_button_el ).on( 'learndash-time-finished', function() {
			$( timer_el ).hide();
		} );
	}

	$( document ).on( 'learndash_video_disable_assets', function( event, status ) {
		if ( 'undefined' === typeof learndash_video_data ) {
			return false;
		}

		if ( 'BEFORE' == learndash_video_data.videos_shown ) {
			if ( true == status ) {
				$( '.ld-lesson-topic-list' ).hide();
				$( '.ld-lesson-navigation' ).find( '#ld-nav-content-list-' + ldVars.postID ).addClass( 'user_has_no_access' );
				$( '.ld-quiz-list' ).hide();
			} else {
				$( '.ld-lesson-topic-list' ).slideDown();
				$( '.ld-quiz-list' ).slideDown();
				$( '.ld-lesson-navigation' ).find( '#ld-nav-content-list-' + ldVars.postID ).removeClass( 'user_has_no_access' );
			}
		}
	} );

	$( '.learndash-wrapper' ).on( 'click', '.wpProQuiz_questionListItem input[type="radio"]', function( e ) {
		$( this ).parents( '.wpProQuiz_questionList' ).find( 'label' ).removeClass( 'is-selected' );
		$( this ).parents( 'label' ).addClass( 'is-selected' );
	} );

	$( '.learndash-wrapper' ).on( 'click', '.wpProQuiz_questionListItem input[type="checkbox"]', function( e ) {
		if ( jQuery( e.currentTarget ).is( ':checked' ) ) {
			$( this ).parents( 'label' ).addClass( 'is-selected' );
		} else {
			$( this ).parents( 'label' ).removeClass( 'is-selected' );
		}
	} );

	function learndash_ld30_show_user_statistic( e ) {
		e.preventDefault();

		var refId 				= 	jQuery( this ).data( 'ref-id' );
		var quizId 				= 	jQuery( this ).data( 'quiz-id' );
		var userId 				= 	jQuery( this ).data( 'user-id' );
		var statistic_nonce 	= 	jQuery( this ).data( 'statistic-nonce' );
		var post_data = {
			action: 'wp_pro_quiz_admin_ajax_statistic_load_user',
			func: 'statisticLoadUser',
			data: {
				quizId: quizId,
				userId: userId,
				refId: refId,
				statistic_nonce: statistic_nonce,
				avg: 0,
			},
		};

		jQuery( '#wpProQuiz_user_overlay, #wpProQuiz_loadUserData' ).show();
		var content = jQuery( '#wpProQuiz_user_content' ).hide();

		//console.log('- learndash.js');

		jQuery.ajax( {
			type: 'POST',
			url: ldVars.ajaxurl,
			dataType: 'json',
			cache: false,
			data: post_data,
			error: function( jqXHR, textStatus, errorThrown ) {
			},
			success: function( reply_data ) {
				if ( 'undefined' !== typeof reply_data.html ) {
					content.html( reply_data.html );
					jQuery( '#wpProQuiz_user_content' ).show();

					//console.log('trigger event change - learndash.js');
					jQuery( 'body' ).trigger( 'learndash-statistics-contentchanged' );

					jQuery( '#wpProQuiz_loadUserData' ).hide();

					content.find( '.statistic_data' ).on( 'click', function() {
						jQuery( this ).parents( 'tr' ).next().toggle( 'fast' );

						return false;
					} );
				}
			},
		} );

		jQuery( '#wpProQuiz_overlay_close' ).on( 'click', function() {
			jQuery( '#wpProQuiz_user_overlay' ).hide();
		} );
	}

	function learndashSetMaxHeight( elm ) {
		var totalHeight = 0;

		elm.find( '> *' ).each( function() {
			totalHeight += $( this ).outerHeight();
		} );

		elm.attr( 'data-height', '' + ( totalHeight + 50 ) + '' );

		elm.css( {
			'max-height': totalHeight + 50,
		} );
	}

	/**
	 * Will scroll the position of the Focus Mode sidebar
	 * to the active step.
	 */
	function learndashFocusModeSidebarAutoScroll() {
		if ( jQuery( '.learndash-wrapper .ld-focus' ).length ) {
			var sidebar_wrapper = jQuery( '.learndash-wrapper .ld-focus .ld-focus-sidebar-wrapper' );

			var sidebar_curent_topic = jQuery( '.learndash-wrapper .ld-focus .ld-focus-sidebar-wrapper .ld-is-current-item' );
			if ( ( 'undefined' !== typeof sidebar_curent_topic ) && ( sidebar_curent_topic.length ) ) {
				var sidebar_scrollTo = sidebar_curent_topic;
			} else {
				var sidebar_curent_lesson = jQuery( '.learndash-wrapper .ld-focus .ld-focus-sidebar-wrapper .ld-is-current-lesson' );
				if ( ( 'undefined' !== typeof sidebar_curent_lesson ) && ( sidebar_curent_lesson.length ) ) {
					var sidebar_scrollTo = sidebar_curent_lesson;
				}
			}

			if ( ( 'undefined' !== typeof sidebar_scrollTo ) && ( sidebar_scrollTo.length ) ) {
				var offset_top = 0;
				if ( jQuery( '.learndash-wrapper .ld-focus .ld-focus-header' ).length ) {
					var logo_height = jQuery( '.learndash-wrapper .ld-focus .ld-focus-header' ).height();
					offset_top += logo_height;
				}
				if ( jQuery( '.learndash-wrapper .ld-focus .ld-focus-sidebar .ld-course-navigation-heading' ).length ) {
					var heading_height = jQuery( '.learndash-wrapper .ld-focus .ld-focus-sidebar .ld-course-navigation-heading' ).height();
					offset_top += heading_height;
				}
				if ( jQuery( '.learndash-wrapper .ld-focus .ld-focus-sidebar .ld-focus-sidebar-wrapper' ).length ) {
					var container_height = jQuery( '.learndash-wrapper .ld-focus .ld-focus-sidebar .ld-focus-sidebar-wrapper' ).height();
					offset_top += container_height;
				}

				var current_item_height = jQuery( sidebar_scrollTo ).height();
				offset_top -= current_item_height;

				sidebar_wrapper.animate( {
					scrollTop: sidebar_scrollTo.offset().top - offset_top,
				}, 1000 );
			}
		}
	}

	// Coupon processing.

	function update_payment_forms( data ) {
		$( '#total-row' ).attr( 'data-total', data.total.value )

		// Update PayPal form amount.
		$( 'form[name="buynow"] input[name="amount"]' ).val( data.total.value );

		// Update Stripe form amount.
		$( 'form.learndash-stripe-checkout input[name="stripe_price"]' ).val( data.total.stripe_value );

		// Remove Stripe Connect session to respect the new amount.
		const stripe_course_id = $( '.learndash-stripe-checkout input[name="stripe_course_id"]' ).val();

		if ( stripe_course_id ) {
			LD_Cookies.remove( 'ld_stripe_session_id_' + stripe_course_id ); // Stripe Plugin (Checkout).
			LD_Cookies.remove( 'ld_stripe_connect_session_id_' + stripe_course_id ); // Stripe Connect in core.
		}

		// Re-init Stripe Plugin (Legacy) to respect the new amount.
		if ( typeof ld_init_stripe_legacy === "function" ) {
			ld_init_stripe_legacy();
		}
	}

	$( '.btn-join' ).on( 'click', function( e ) {
		const total = parseFloat( $( '#total-row' ).attr( 'data-total' ) );

		if ( 0 === total ) {
			$.ajax( {
				type: 'POST',
				url: ldVars.ajaxurl,
				dataType: 'json',
				cache: false,
				data: {
					action: 'learndash_enroll_with_zero_price',
					nonce: $( '#apply-coupon-form' ).data( 'nonce' ),
					post_id: $( '#apply-coupon-form' ).data( 'post-id' ),
				},
				success: function( response ) {
					if ( response.success ) {
						window.location.replace( response.data.redirect_url );
					} else {
						alert( response.data.message );
					}
				},
			} );

			e.preventDefault();
			return false;
		}
	});

	$( '#apply-coupon-form' ).on( 'submit', function( e ) {
		e.preventDefault();

		$.ajax( {
			type: 'POST',
			url: ldVars.ajaxurl,
			dataType: 'json',
			cache: false,
			data: {
				action: 'learndash_apply_coupon',
				nonce: $( this ).data( 'nonce' ),
				coupon_code: $( this ).find( '#coupon-field' ).val(),
				post_id: $( this ).data( 'post-id' ),
			},
			success: function( response ) {
				$( '#coupon-alerts .coupon-alert' ).hide();

				let $alert = $( '#coupon-alerts' ).find(
					response.success ? '.coupon-alert-success' : '.coupon-alert-warning'
				);

				let $coupon_row = $( '#coupon-row' );

				if ( response.success ) {
					$coupon_row.find( '.purchase-label > span' ).html( response.data.coupon_code ); // Set coupon code in totals.
					$coupon_row.find( '.purchase-value span' ).html( response.data.discount ); // Set discount value in totals.
					$coupon_row.css( 'display', 'flex' ).hide().fadeIn(); // Show a coupon row in totals.
					$( '#total-row .purchase-value' ).html( response.data.total.formatted ); // Update Total.
					$( '#totals' ).show();

					update_payment_forms( response.data );
				}

				$alert.find( '.ld-alert-messages' ).html( response.data.message );
				$alert.fadeIn();
			},
		} );
	} );

	$( '#remove-coupon-form' ).on( 'submit', function( e ) {
		e.preventDefault();

		$.ajax( {
			type: 'POST',
			url: ldVars.ajaxurl,
			dataType: 'json',
			cache: false,
			data: {
				action: 'learndash_remove_coupon',
				nonce: $( this ).data( 'nonce' ),
				post_id: $( this ).data( 'post-id' ),
			},
			success: function( response ) {
				$( '#coupon-alerts .coupon-alert' ).hide();

				let $alert = $( '#coupon-alerts' ).find(
					response.success ? '.coupon-alert-success' : '.coupon-alert-warning'
				);

				if ( response.success ) {
					$( '#coupon-row' ).hide(); // Hide a coupon row in totals.
					$( '#coupon-field' ).val( '' ); // Set coupon field empty.
					$( '#price-row .purchase-value' ).html( response.data.total.formatted ); // Update Price.
					$( '#subtotal-row .purchase-value' ).html( response.data.total.formatted ); // Update Subtotal.
					$( '#total-row .purchase-value' ).html( response.data.total.formatted ); // Update Total.
					$( '#totals' ).hide();

					update_payment_forms( response.data );
				}

				$alert.find( '.ld-alert-messages' ).html( response.data.message );
				$alert.fadeIn();
			},
		} );
	} );
} );

function ldGetUrlVars() {
	var vars = {};
	var parts = window.location.href.replace( /[?&]+([^=&]+)=([^&]*)/gi, function( m, key, value ) {
		vars[key] = value;
	} );

	return vars;
}