/**
 * @copyright	Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */

/**
 * JavaScript behavior to add front-end hover edit icons with tooltips for modules and menu items.
 *
 */
(function ($) {
	$.fn.extend({
		/**
		 * This jQuery custom method makes the elements absolute, and with true argument moves them to end of body to avoid CSS inheritence
		 *
		 * @param   rebase boolean
		 * @returns {jQuery}
		 */
		jEditMakeAbsolute: function (rebase) {
			return this.each(function () {
				var el = $(this);
				var pos;

				if (rebase) {
					pos = el.offset();
				} else {
					pos = el.position();
				}

				el.css({
					position: 'absolute',
					marginLeft: 0,
					marginTop: 0,
					top: pos.top,
					left: pos.left,
					bottom: 'auto',
					right: 'auto',
				});

				if (rebase) {
					el.detach().appendTo('body');
				}
			});
		},
	});

	$(document).ready(function () {
		$('.jmoddiv').on({
			mouseenter: function () {
				// Get module editing URL and tooltip for module edit:
				var moduleEditUrl = $(this).data('jmodediturl');
				var moduleTip = $(this).data('jmodtip');
				var moduleTarget = $(this).data('target');

				// Stop timeout on previous tooltip and remove it:
				$('body>.btn.jmodedit').clearQueue().tooltip('dispose').remove();

				// Add editing button with tooltip:
				$(this)
					.addClass('jmodinside')
					.prepend(
						'<a class="btn jmodedit" href="#" target="' +
							moduleTarget +
							'"><span class="fas fa-edit" aria-hidden="true"></span></a>'
					)
					.children(':first')
					.attr('href', moduleEditUrl)
					.attr('title', moduleTip)
					.tooltip({ html: true, placement: 'top' })
					.jEditMakeAbsolute(true);

				$('.btn.jmodedit').on({
					mouseenter: function () {
						// Stop delayed removal programmed by mouseleave of .jmoddiv or of this one:
						$(this).clearQueue();
					},
					mouseleave: function () {
						// Delay remove editing button if not hovering it:
						$(this)
							.delay(500)
							.queue(function (next) {
								$(this).tooltip('dispose').remove();
								next();
							});
					},
				});
			},
			mouseleave: function () {
				// Delay remove editing button if not hovering it:
				$('body>.btn.jmodedit')
					.delay(500)
					.queue(function (next) {
						$(this).tooltip('dispose').remove();
						next();
					});
			},
		});

		// Menu items edit icons:

		var activePopover = null;

		$(
			'.jmoddiv[data-jmenuedittip] .nav li,.jmoddiv[data-jmenuedittip].nav li,.jmoddiv[data-jmenuedittip] .nav .nav-child li,.jmoddiv[data-jmenuedittip].nav .nav-child li'
		).on({
			mouseenter: function () {
				// Get menu ItemId from the item-nnn class of the li element of the menu:
				var itemids = /\bitem-(\d+)\b/.exec($(this).attr('class'));
				if (typeof itemids[1] == 'string') {
					// Find module editing URL from enclosing module:
					var enclosingModuleDiv = $(this).closest('.jmoddiv');
					var moduleEditUrl = enclosingModuleDiv.data('jmodediturl');
					// Transform module editing URL into Menu Item editing url:
					var menuitemEditUrl = moduleEditUrl.replace(
						/\/index.php\?option=com_config&controller=config.display.modules([^\d]+).+$/,
						'/administrator/index.php?option=com_menus&view=item&layout=edit$1' + itemids[1]
					);
				}

				// Get tooltip for menu items from enclosing module
				var menuEditTip = enclosingModuleDiv.data('jmenuedittip').replace('%s', itemids[1]);

				var content = $(
					'<div><a class="btn jfedit-menu" href="#" target="_blank" rel="noopener noreferrer"><span class="icon-edit"></span></a></div>'
				);
				content.children('a.jfedit-menu').prop('href', menuitemEditUrl).prop('title', menuEditTip);

				if (activePopover) {
					$(activePopover).popover('hide');
				}
				$(this)
					.popover({
						html: true,
						content: content.html(),
						container: 'body',
						trigger: 'manual',
						animation: false,
						placement: 'bottom',
					})
					.popover('show');
				activePopover = this;

				$('body>div.popover')
					.on({
						mouseenter: function () {
							if (activePopover) {
								$(activePopover).clearQueue();
							}
						},
						mouseleave: function () {
							if (activePopover) {
								$(activePopover).popover('hide');
							}
						},
					})
					.find('a.jfedit-menu')
					.tooltip({ html: true, placement: 'bottom' });
			},
			mouseleave: function () {
				$(this)
					.delay(1500)
					.queue(function (next) {
						$(this).popover('hide');
						next();
					});
			},
		});
	});

	if (typeof MooTools != 'undefined') {
		var mHide = Element.prototype.hide;
		Element.implement({
			hide: function () {
				if ($('.hasPopover') && $('.hasPopover').attr('data-original-title')) {
					return this;
				}
				mHide.apply(this, arguments);
			},
		});
	}
})(jQuery);