jQuery(document).ready(function($) {

/*------------------------------------------------
DECLARATIONS
------------------------------------------------*/
var primary_menu_toggle = $('#masthead .menu-toggle');
var dropdown_toggle     = $('button.dropdown-toggle');
var primary_nav_menu    = $('#masthead .main-navigation');

/*------------------------------------------------
MAIN NAVIGATION
------------------------------------------------*/

primary_menu_toggle.click(function(){
    primary_nav_menu.slideToggle();
    $(this).toggleClass('active');
    $('.menu-overlay').toggleClass('active');
    $('#masthead .main-navigation').toggleClass('menu-open');
});

dropdown_toggle.click(function() {
    $(this).toggleClass('active');
    $(this).parent().find('.sub-menu').first().slideToggle();
});

$(window).scroll(function() {
    if ($(this).scrollTop() > 210) {
        $('#masthead').addClass('nav-shrink');
    } 
    else {
        $('#masthead').removeClass('nav-shrink');
    }
});


$('.main-navigation ul li.search-menu a').click(function(e) {
    e.preventDefault();
    $(this).toggleClass('search-active');
    $('.main-navigation #search').fadeToggle();
    $('.main-navigation .search-field').focus();
});


$(document).click(function (e) {
    var container = $("#masthead, #top-navigation");
    if (!container.is(e.target) && container.has(e.target).length === 0) {
        primary_nav_menu.slideUp();
        $(this).removeClass('active');
        $('.menu-overlay').removeClass('active');
        $('#masthead .main-navigation').removeClass('menu-open');
        $('.menu-toggle').removeClass('active');
    }
});


/*--------------------------------------------------------------
Keyboard Navigation
----------------------------------------------------------------*/

if( $(window).width() < 1024 ) {
    $('#primary-menu').find("li").last().bind( 'keydown', function(e) {
        if( e.which === 9 ) {
            e.preventDefault();
            $('#masthead').find('.menu-toggle').focus();
        }
    });

    $('#primary-menu > li:last-child button:not(.active)').bind( 'keydown', function(e) {
        if( e.which === 9 ) {
            e.preventDefault();
            $('#masthead').find('.menu-toggle').focus();
        }
    });

    $('#search').find("button").unbind('keydown');

}
else {
    $('#primary-menu').find("li").unbind('keydown');

    $('#search').find("button").bind( 'keydown', function(e) {
        var tabKey              = e.keyCode === 9;
        var shiftKey            = e.shiftKey;

        if( tabKey ) {
            e.preventDefault();
            $('#search').hide();
            $('.search-menu > a').removeClass('search-active').focus();
        }

        if( shiftKey && tabKey ) {
            e.preventDefault();
            $('#search').show();
            $('.main-navigation .search-field').focus();
            $('.search-menu > a').addClass('search-active');
        }
    });

    $('.search-menu > a').on('keydown', function (e) {
        var tabKey              = e.keyCode === 9;
        var shiftKey            = e.shiftKey;

        if( $('.search-menu > a').hasClass('search-active') ) {
            if ( shiftKey && tabKey ) {
                e.preventDefault();
                $('#search').hide();
                $('.search-menu > a').removeClass('search-active').focus();
            }
        }
    });
}


$(window).resize(function() {
    if( $(window).width() < 1024 ) {
        $('#primary-menu').find("li").last().bind( 'keydown', function(e) {
            if( e.which === 9 ) {
                e.preventDefault();
                $('#masthead').find('.menu-toggle').focus();
            }
        });

        $('#primary-menu > li:last-child button:not(.active)').bind( 'keydown', function(e) {
            if( e.which === 9 ) {
                e.preventDefault();
                $('#masthead').find('.menu-toggle').focus();
            }
        });

        $('#search').find("button").unbind('keydown');

    }
    else {
        $('#primary-menu').find("li").unbind('keydown');

        $('#search').find("button").bind( 'keydown', function(e) {
            var tabKey              = e.keyCode === 9;
            var shiftKey            = e.shiftKey;

            if( tabKey ) {
                e.preventDefault();
                $('#search').hide();
                $('.search-menu > a').removeClass('search-active').focus();
            }

            if( shiftKey && tabKey ) {
                e.preventDefault();
                $('#search').show();
                $('.main-navigation .search-field').focus();
                $('.search-menu > a').addClass('search-active');
            }
        });

        $('.search-menu > a').on('keydown', function (e) {
            var tabKey              = e.keyCode === 9;
            var shiftKey            = e.shiftKey;
            
            if( $('.search-menu > a').hasClass('search-active') ) {
                if ( shiftKey && tabKey ) {
                    e.preventDefault();
                    $('#search').hide();
                    $('.search-menu > a').removeClass('search-active').focus();
                }
            }
        });
    }
});

primary_menu_toggle.on('keydown', function (e) {
    var tabKey    = e.keyCode === 9;
    var shiftKey  = e.shiftKey;

    if( primary_menu_toggle.hasClass('active') ) {
        if ( shiftKey && tabKey ) {
            e.preventDefault();
            primary_nav_menu.slideUp();
            $('.main-navigation').removeClass('menu-open');
            $('.menu-overlay').removeClass('active');
            primary_menu_toggle.removeClass('active');
        };
    }
});

});