/**
 * jQuery meanMenu v2.0.2
 * Copyright (C) 2012-2013 Chris Wharton (themes@meanthemes.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT
 * HOLDERS MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY OR
 * FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE
 * OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY PATENTS,
 * COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.COPYRIGHT HOLDERS WILL NOT
 * BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR CONSEQUENTIAL
 * DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://gnu.org/licenses/>.
 *
 * Find more information at http://www.meanthemes.com/plugins/meanmenu/
 *
 */
(function ($) {
	$.fn.meanmenu = function (options) {
		var defaults = {
			meanMenuTarget: jQuery(this), // Target the current HTML markup you wish to replace
			meanMenuContainer: '.menu-wrapper', // Choose where meanmenu will be placed within the HTML
			//meanMenuClose: "<span />", // single character you want to represent the close menu button
			meanMenuCloseSize: "18px", // set font size of close button
			//meanMenuOpen: "<span />", // text/markup you want when menu is closed
			meanRevealPosition: "right", // left right or center positions
			meanRevealPositionDistance: "0", // Tweak the position of the menu
			meanRevealColour: "", // override CSS colours for the reveal background
			meanRevealHoverColour: "", // override CSS colours for the reveal hover
			meanScreenWidth: "991", // set the screen width you want meanmenu to kick in at
			meanNavPush: "", // set a height here in px, em or % if you want to budge your layout now the navigation is missing.
			meanShowChildren: true, // true to show children in the menu, false to hide them
			meanExpandableChildren: true, // true to allow expand/collapse children
			meanExpand: "", // single character you want to represent the expand for ULs
			meanContract: "", // single character you want to represent the contract for ULs
			meanRemoveAttrs: false // true to remove classes and IDs, false to keep them
		};
		var options = $.extend(defaults, options);

		// get browser width
		currentWidth = window.innerWidth || document.documentElement.clientWidth;

		return this.each(function () {
			var meanMenu = options.meanMenuTarget;
			var meanContainer = options.meanMenuContainer;
			var meanReveal = options.meanReveal;
			var meanMenuClose = options.meanMenuClose;
			var meanMenuCloseSize = options.meanMenuCloseSize;
			var meanMenuOpen = options.meanMenuOpen;
			var meanRevealPosition = options.meanRevealPosition;
			var meanRevealPositionDistance = options.meanRevealPositionDistance;
			var meanRevealColour = options.meanRevealColour;
			var meanRevealHoverColour = options.meanRevealHoverColour;
			var meanScreenWidth = options.meanScreenWidth;
			var meanNavPush = options.meanNavPush;
			var meanRevealClass = ".meanmenu-reveal";
			meanShowChildren = options.meanShowChildren;
			meanExpandableChildren = options.meanExpandableChildren;
			var meanExpand = options.meanExpand;
			var meanContract = options.meanContract;
			var meanRemoveAttrs = options.meanRemoveAttrs;

			//detect known mobile/tablet usage
			if ((navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i)) || (navigator.userAgent.match(/iPad/i)) || (navigator.userAgent.match(/Android/i)) || (navigator.userAgent.match(/Blackberry/i)) || (navigator.userAgent.match(/Windows Phone/i))) {
				var isMobile = true;
			}

			if ((navigator.userAgent.match(/MSIE 8/i)) || (navigator.userAgent.match(/MSIE 7/i))) {
				// add scrollbar for IE7 & 8 to stop breaking resize function on small content sites
				jQuery('html').css("overflow-y", "scroll");
			}

			function meanCentered() {
				if (meanRevealPosition == "center") {
					var newWidth = window.innerWidth || document.documentElement.clientWidth;
					var meanCenter = ((newWidth / 2) - 22) + "px";
					meanRevealPos = "left:" + meanCenter + ";right:auto;";

					if (!isMobile) {
						jQuery('.meanmenu-reveal').css("left", meanCenter);
					} else {
						jQuery('.meanmenu-reveal').animate({
							left: meanCenter
						});
					}
				}
			}

			menuOn = false;
			meanMenuExist = false;

			if (meanRevealPosition == "right") {
				meanRevealPos = "right:" + meanRevealPositionDistance + ";left:auto;";
			}
			if (meanRevealPosition == "left") {
				meanRevealPos = "left:" + meanRevealPositionDistance + ";right:auto;";
			}
			// run center function	
			meanCentered();

			// set all styles for mean-reveal
			meanStyles = "background:" + meanRevealColour + ";color:" + meanRevealColour + ";" + meanRevealPos;

			function meanInner() {
				// get last class name
				if (jQuery($navreveal).is(".meanmenu-reveal.meanclose")) {
					$navreveal.html(meanMenuClose);
				} else {
					$navreveal.html(meanMenuOpen);
				}
			}

			//re-instate original nav (and call this on window.width functions)
			function meanOriginal() {
				jQuery('.mean-bar,.mean-push').remove();
				jQuery(meanContainer).removeClass("mean-container");
				jQuery(meanMenu).show();
				menuOn = false;
				meanMenuExist = false;
			}

			//navigation reveal 
			function showMeanMenu() {
				if (currentWidth <= meanScreenWidth) {
					meanMenuExist = true;
					// add class to body so we don't need to worry about media queries here, all CSS is wrapped in '.mean-container'
					jQuery(meanContainer).addClass("mean-container");
					jQuery('.mean-container').prepend('<div class="mean-bar"><a href="#nav" class="meanmenu-reveal" style="' + meanStyles + '"><span></span></a><nav class="mean-nav"></nav></div>');

					//push meanMenu navigation into .mean-nav
					var meanMenuContents = jQuery(meanMenu).html();
					jQuery('.mean-nav').html(meanMenuContents);

					// remove all classes from EVERYTHING inside meanmenu nav
					if (meanRemoveAttrs) {
						jQuery('nav.mean-nav *').each(function () {
							jQuery(this).removeAttr("class");
							jQuery(this).removeAttr("id");
						});
					}

					// push in a holder div (this can be used if removal of nav is causing layout issues)
					jQuery(meanMenu).before('<div class="mean-push" />');
					jQuery('.mean-push').css("margin-top", meanNavPush);

					// hide current navigation and reveal mean nav link
					jQuery(meanMenu).hide();
					jQuery(".meanmenu-reveal").show();

					// turn 'X' on or off 
					jQuery(meanRevealClass).html(meanMenuOpen);
					$navreveal = jQuery(meanRevealClass);

					//hide mean-nav ul
					jQuery('.mean-nav ul').hide();

					// hide sub nav
					if (meanShowChildren) {
						// allow expandable sub nav(s)
						if (meanExpandableChildren) {
							jQuery('.mean-nav ul ul').each(function () {
								if (jQuery(this).children().length) {
									jQuery(this, 'li:first').parent().append('<a class="mean-expand" href="#" style="font-size: ' + meanMenuCloseSize + '">' + meanExpand + '</a>');
								}
							});
							jQuery('.mean-expand').on("click", function (e) {
								e.preventDefault();
								if (jQuery(this).hasClass("mean-clicked")) {
									jQuery(this).text(meanExpand);
									jQuery(this).prev('ul').slideUp(300, function () {});
								} else {
									jQuery(this).text(meanContract);
									jQuery(this).prev('ul').slideDown(300, function () {});
								}
								jQuery(this).toggleClass("mean-clicked");
							});
						} else {
							jQuery('.mean-nav ul ul').show();
						}
					} else {
						jQuery('.mean-nav ul ul').hide();
					}

					// add last class to tidy up borders
					jQuery('.mean-nav ul li').last().addClass('mean-last');

					$navreveal.removeClass("meanclose");
					jQuery($navreveal).click(function (e) {
						e.preventDefault();
						if (menuOn == false) {
							$navreveal.css("text-align", "center");
							$navreveal.css("text-indent", "0");
							$navreveal.css("font-size", meanMenuCloseSize);
							jQuery('.mean-nav ul:first').slideDown();
							menuOn = true;
						} else {
							jQuery('.mean-nav ul:first').slideUp();
							menuOn = false;
						}
						$navreveal.toggleClass("meanclose");
						meanInner();
					});

				} else {
					meanOriginal();
				}
			}

			if (!isMobile) {
				//reset menu on resize above meanScreenWidth
				jQuery(window).resize(function () {
					currentWidth = window.innerWidth || document.documentElement.clientWidth;
					if (currentWidth > meanScreenWidth) {
						meanOriginal();
					} else {
						meanOriginal();
					}
					if (currentWidth <= meanScreenWidth) {
						showMeanMenu();
						meanCentered();
					} else {
						meanOriginal();
					}
				});
			}

			// adjust menu positioning on centered navigation     
			window.onorientationchange = function () {
				meanCentered();
				// get browser width
				currentWidth = window.innerWidth || document.documentElement.clientWidth;
				if (currentWidth >= meanScreenWidth) {
					meanOriginal();
				}
				if (currentWidth <= meanScreenWidth) {
					if (meanMenuExist == false) {
						showMeanMenu();
					}
				}
			}
			// run main menuMenu function on load
			showMeanMenu();
		});
	};
})(jQuery);