/**
 * Script for keyboard navigation improvements
 *
 * Enhances keyboard accessibility for dropdown menus and other interactive elements.
 */

(function() {
	// Get all dropdown menu items
	const dropdowns = document.querySelectorAll('.menu-item-has-children, .page_item_has_children');
	
	// Add keyboard support for dropdown menus
	dropdowns.forEach(function(dropdown) {
		const link = dropdown.querySelector('a');
		const subMenu = dropdown.querySelector('.sub-menu');
		
		if (link && subMenu) {
			// Add ARIA attributes
			link.setAttribute('aria-haspopup', 'true');
			link.setAttribute('aria-expanded', 'false');
			
			// Handle focus events
			link.addEventListener('focus', function() {
				// Close other open dropdowns
				dropdowns.forEach(function(otherDropdown) {
					if (otherDropdown !== dropdown) {
						otherDropdown.classList.remove('focus');
						const otherLink = otherDropdown.querySelector('a');
						if (otherLink) {
							otherLink.setAttribute('aria-expanded', 'false');
						}
					}
				});
				
				// Open this dropdown
				dropdown.classList.add('focus');
				link.setAttribute('aria-expanded', 'true');
			});
			
			// Handle keyboard events
			link.addEventListener('keydown', function(e) {
				if (e.key === 'ArrowDown') {
					e.preventDefault();
					const firstSubItem = subMenu.querySelector('a');
					if (firstSubItem) {
						firstSubItem.focus();
					}
				}
				
				if (e.key === 'Escape') {
					dropdown.classList.remove('focus');
					link.setAttribute('aria-expanded', 'false');
					link.focus();
				}
			});
			
			// Handle submenu items
			const subItems = subMenu.querySelectorAll('a');
			subItems.forEach(function(subItem, index) {
				subItem.addEventListener('keydown', function(e) {
					if (e.key === 'ArrowUp') {
						e.preventDefault();
						if (index > 0) {
							subItems[index - 1].focus();
						} else {
							link.focus();
						}
					}
					
					if (e.key === 'ArrowDown') {
						e.preventDefault();
						if (index < subItems.length - 1) {
							subItems[index + 1].focus();
						}
					}
					
					if (e.key === 'Escape') {
						dropdown.classList.remove('focus');
						link.setAttribute('aria-expanded', 'false');
						link.focus();
					}
				});
			});
		}
	});
	
	// Handle Escape key to close all dropdowns
	document.addEventListener('keydown', function(e) {
		if (e.key === 'Escape') {
			dropdowns.forEach(function(dropdown) {
				dropdown.classList.remove('focus');
				const link = dropdown.querySelector('a');
				if (link) {
					link.setAttribute('aria-expanded', 'false');
				}
			});
		}
	});
	
	// Close dropdowns when clicking outside
	document.addEventListener('click', function(e) {
		if (!e.target.closest('.menu-item-has-children, .page_item_has_children')) {
			dropdowns.forEach(function(dropdown) {
				dropdown.classList.remove('focus');
				const link = dropdown.querySelector('a');
				if (link) {
					link.setAttribute('aria-expanded', 'false');
				}
			});
		}
	});
})();