/**
 * Theme functions file
 *
 * Contains handlers for navigation, accessibility, header sizing
 * footer widgets and Featured Content slider
 *
 */

 var everal = {};

( function( $ ) {
	var body    = $( 'body' ),
		_window = $( window );

	$(window).scroll(function () {
		if ($(this).scrollTop() > 100) {
			$('.scroll-to-top').fadeIn();
		} else {
			$('.scroll-to-top').fadeOut();
		}
	});

	$('.scroll-to-top').click(function () {
		$('body,html').animate({
			scrollTop: 0
		}, 800);
		return false;
	});

	jQuery('.comment-form-author input, .comment-form-email input, .comment-form-url input, .comment-form-comment textarea').focus(function() {
		if ( jQuery(this).parent().hasClass('input-unfocused') ) {
			jQuery(this).parent().removeClass('input-unfocused');
		};
		jQuery(this).parent().addClass('input-focused');
	});

	jQuery('.comment-form-author input, .comment-form-email input, .comment-form-url input, .comment-form-comment textarea').blur(function() {
		if ( jQuery(this).val() == '' ) {
			jQuery(this).parent().removeClass('input-focused');
			jQuery(this).parent().addClass('input-unfocused');
		} else {
			jQuery(this).parent().addClass('input-focused');
		}
	});

	jQuery('.wpcf7-form-control-wrap input, .wpcf7-form p textarea').focus(function() {
		if ( jQuery(this).parent().parent().hasClass('input-unfocused') ) {
			jQuery(this).parent().parent().removeClass('input-unfocused');
		};
		jQuery(this).parent().parent().addClass('input-focused');
	});

	jQuery('.wpcf7-form-control-wrap input, .wpcf7-form p textarea').blur(function() {
		if ( jQuery(this).val() == '' ) {
			jQuery(this).parent().parent().removeClass('input-focused');
			jQuery(this).parent().parent().addClass('input-unfocused');
		} else {
			jQuery(this).parent().parent().addClass('input-focused');
		}
	});

	// Shrink header on scroll down
	if($('.site-header').length > 0) {
		var y = $(window).scrollTop();
		var padding_element = $('.slider');

		if ( padding_element.length === 0 ) {
			padding_element = $('#main');
		}

		if($(window).width() > 979) {
			masthead_height = $('.site-header').height();
			masthead_top    = $('.site-header').offset().top+$('.site-header').height()+50; 

			if( y > masthead_top ) { 
				$('.site-header').addClass('fixed'); 
				padding_element.css('padding-top', (masthead_height)+'px'); 
			}

			if( y > 150 ) {
				$('.site-header').addClass('shrink');
				$('body').addClass('sticky_header_active');
			} else {
				$('.site-header').removeClass('shrink');
				$('body').removeClass('sticky_header_active');
			}
			
			// Shrink menu on scroll
			var didScroll = false;
			$(window).scroll(function() {
				didScroll = true;
			});

			setInterval(function() {
				if ( didScroll ) {
					didScroll = false;
					y = $(window).scrollTop();

					if(y > masthead_top){ 
						$('.site-header').addClass('fixed'); 
						padding_element.css('padding-top', (masthead_height)+'px'); 
					}
					else{ 
						$('.site-header').removeClass('fixed'); 
						padding_element.css('padding-top', ''); 
					}
					if(y > 500){  
						$('.site-header').addClass('shrink'); $('body').addClass('sticky_header_active'); 
					}
					else{ 
						$('.site-header').removeClass('shrink'); $('body').removeClass('sticky_header_active'); 
					}
				}
			}, 50);
		} else {
			$('.site-header').removeClass('shrink');
			$('.site-header').removeClass('fixed');
		}

	} else {
		$('#page').addClass('static-header'); 
	}

	// Enable menu toggle for small screens.
	( function() {
		var nav = $( '#primary-navigation' ), button, menu;
		if ( ! nav ) {
			return;
		}

		button = nav.find( '.menu-toggle' );
		if ( ! button ) {
			return;
		}

		// Hide button if menu is missing or empty.
		menu = nav.find( '.nav-menu' );
		if ( ! menu || ! menu.children().length ) {
			button.hide();
			return;
		}

		$( '.menu-toggle' ).on( 'click.everal', function() {
			nav.toggleClass( 'toggled-on' );
		} );
	} )();

	/*
	 * Makes "skip to content" link work correctly in IE9 and Chrome for better
	 * accessibility.
	 *
	 * @link http://www.nczonline.net/blog/2013/01/15/fixing-skip-to-content-links/
	 */
	_window.on( 'hashchange.everal', function() {
		var element = document.getElementById( location.hash.substring( 1 ) );

		if ( element ) {
			if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
				element.tabIndex = -1;
			}

			element.focus();

			// Repositions the window on jump-to-anchor to account for header height.
			window.scrollBy( 0, -80 );
		}
	} );

	$( function() {

		/*
		 * Fixed header for large screen.
		 * If the header becomes more than 48px tall, unfix the header.
		 *
		 * The callback on the scroll event is only added if there is a header
		 * image and we are not on mobile.
		 */
		if ( _window.width() > 781 ) {
			var mastheadHeight = $( '#masthead' ).height(),
				toolbarOffset, mastheadOffset;

			if ( mastheadHeight > 48 ) {
				body.removeClass( 'masthead-fixed' );
			}

			if ( body.is( '.header-image' ) ) {
				toolbarOffset  = body.is( '.admin-bar' ) ? $( '#wpadminbar' ).height() : 0;
				mastheadOffset = $( '#masthead' ).offset().top - toolbarOffset;

				_window.on( 'scroll.everal', function() {
					if ( ( window.scrollY > mastheadOffset ) && ( mastheadHeight < 49 ) ) {
						body.addClass( 'masthead-fixed' );
					} else {
						body.removeClass( 'masthead-fixed' );
					}
				} );
			}
		}

		// Focus styles for menus.
		$( '.primary-navigation, .secondary-navigation' ).find( 'a' ).on( 'focus.everal blur.everal', function() {
			$( this ).parents().toggleClass( 'focus' );
		} );
	} );
} )( jQuery );


// /*------------------------------------------------------------
//  * FUNCTION: Ajax Load Pages
//  *------------------------------------------------------------*/

// function ajaxLoadPages(){

// 	// if( everal.ajaxEnabled === false ) { return; }


// 	var hashedLink;

// 	// Chrome Bug: triggers popstate on init page load.
// 	// Solution: define var and make it true on first popstate/push
// 	var popped = false;



// 	// Event: Link clicked
// 	jQuery('html').on('click','a',function(e) {
// 		var href = jQuery(this).attr('href');

// 		if( isExternal(href) ){
// 			return;
// 		}

// 		// assume that clicked link is hashed
// 		hashedLink = true;

// 		if (
// 			( !jQuery(this).is(".ab-item, .comment-reply-link, #cancel-comment-reply-link, .comment-edit-link, .wp-playlist-caption, .js-skip-ajax") ) &&
// 			( href.indexOf('#') == -1 ) &&
// 			( href.indexOf('wp-login.php') == -1 ) &&
// 			( href.indexOf('/wp-admin/') == -1 ) &&
// 			( href.indexOf('wp-content/uploads/') == -1 ) &&
// 			( jQuery(this).attr('target') != '_blank' )
// 		){
// 			e.preventDefault();
// 			popped = true;
// 			hashedLink = false;

// 			// change only main content and leave sidebar intact
// 			var pagination = jQuery(this).is('.page-numbers') ? true : false;
// 			push_state(href, pagination);
// 		}

// 	});



// 	// Event: Popstate - Location History Back/Forward
// 	jQuery(window).on('popstate',function(){
// 		// if hashed link, load native way
// 		// popped? don't trigger on init page load [chrome bug]
// 		if(!hashedLink && popped){
// 			ajaxLoadPage(location.href);
// 		}
// 		popped = true;
// 	});



// 	// Function: PushState and trigger ajax loader
// 	function push_state(href, pagination){
// 		history.pushState({page: href}, '', href);
// 		ajaxLoadPage(href, pagination);
// 	}



// 	// Function: Ajax Load Page
// 	function ajaxLoadPage(href, pagination) {

// 		jQuery('body').removeClass('ajax-main-content-loading-end ajax-content-wrapper-loading-end');
// 		if( everal.xhr ){
// 			everal.xhr.abort();
// 		}

// 		var timeStarted = 0;

// 		if( pagination ){
// 			// Classic pagination

// 			jQuery('body').addClass('ajax-main-content-loading-start');
// 			jQuery('body').removeClass('touchscreen-header-open'); // close header on touch devices

// 			timeStarted = new Date().getTime();

// 			everal.xhr = jQuery.ajax({
// 				type: "GET",
// 				url: href,
// 				success: function(data, response, xhr){

// 					// Check if css animation had time to finish
// 					// before new page load animation starts
// 					var now = new Date().getTime();
// 					var timeDiff = now - timeStarted;
// 					if( timeDiff < 1000 ) {
// 						setTimeout( ajaxLoadPageCallback, (1000-timeDiff) );
// 					}else{
// 						ajaxLoadPageCallback();
// 					}

// 					function ajaxLoadPageCallback(){
// 						var $data = jQuery(data);

// 						// Update Page Title in browser window
// 						var pageTitle = $data.filter('title').text();
// 						document.title = pageTitle;

// 						jQuery('#main-content').html( $data.find('.main-content__inside') );

// 						scrollPageToTop();

// 						jQuery('#main-content').waitForImages(function(){
// 							jQuery('body').addClass('ajax-main-content-loading-end');
// 							jQuery('body').removeClass('ajax-main-content-loading-start');
// 							jQuery(document).trigger('everal:ajaxPageLoad');
// 						});

// 						ajaxPushGoogleAnalytics(href);
// 					}
// 				},

// 				error: function(){
// 					jQuery('body').addClass('ajax-main-content-loading-end');
// 					jQuery('body').removeClass('ajax-main-content-loading-start');
// 				}
// 			});

// 		} else {
// 			// Page Navigation

// 			jQuery('body').addClass('ajax-content-wrapper-loading-start');
// 			jQuery('body').removeClass('touchscreen-header-open'); // close header on touch devices

// 			timeStarted = new Date().getTime();

// 			scrollPageToTop();

// 			everal.xhr = jQuery.ajax({
// 				type: "GET",
// 				url: href,
// 				success: function(data, response, xhr){

// 					// Check if css animation had time to finish
// 					// before new page load animation starts
// 					var now = new Date().getTime();
// 					var timeDiff = now - timeStarted;
// 					if( timeDiff < 1000 ) {
// 						setTimeout( ajaxLoadPageCallback, (1000-timeDiff) );
// 					}else{
// 						ajaxLoadPageCallback();
// 					}

// 					function ajaxLoadPageCallback(){
// 						var $data = jQuery(data);

// 						// Update Page Title in browser window
// 						var pageTitle = $data.filter('title').text();
// 						document.title = pageTitle;

// 						jQuery('.site-main').html( $data.find('.main-content') );

// 						// jQuery('.site-main').waitForImages(function(){
// 						// 	jQuery('body').addClass('ajax-content-wrapper-loading-end');
// 						// 	jQuery('body').removeClass('ajax-content-wrapper-loading-start');
// 						// 	jQuery(document).trigger('everal:ajaxPageLoad');
// 						// });
			
// 						jQuery('body').addClass('ajax-content-wrapper-loading-end');
// 						jQuery('body').removeClass('ajax-content-wrapper-loading-start');

// 					//	ajaxPushGoogleAnalytics(href);
// 					}
// 				},

// 				error: function(){
// 					jQuery('body').addClass('ajax-content-wrapper-loading-end');
// 					jQuery('body').removeClass('ajax-content-wrapper-loading-start');
// 				}
// 			});

// 		}
// 	}



// 	// Function: RegExp: Check if url external
// 	function isExternal(url) {
// 		var match = url.match(/^([^:\/?#]+:)?(?:\/\/([^\/?#]*))?([^?#]+)?(\?[^#]*)?(#.*)?/);
// 		if (typeof match[1] === "string" && match[1].length > 0 && match[1].toLowerCase() !== location.protocol) return true;
// 		if (typeof match[2] === "string" && match[2].length > 0 && match[2].replace(new RegExp(":("+{"http:":80,"https:":443}[location.protocol]+")?$"), "") !== location.host) return true;
// 		return false;
// 	}

// }
// jQuery(document).ready( ajaxLoadPages );

// /*------------------------------------------------------------
//  * FUNCTION: Scroll Page Back to Top
//  * Used for ajax navigation scroll position reset
//  *------------------------------------------------------------*/

// function scrollPageToTop(){
// 	// Height hack for mobile/tablet
// 	jQuery('body').css('height', 'auto');
// 	jQuery("html, body").animate({ scrollTop: 0 }, "slow");

// 	// if( everal.device != 'desktop' ){
// 		// jQuery('body').scrollTop(0);
// 	// }else{
// 	// 	jQuery('.content-wrapper').scrollTop(0);
// 	// }

// 	jQuery('body').css('height', '');
// }