/**
 * HVAC Navigation - Robust & Simple
 * Ensures navigation dropdowns work reliably for all users
 * 
 * @version 1.0.0
 * @since 2025-08-21
 */

jQuery(document).ready(function($) {
    'use strict';
    
    console.log('HVAC Navigation: Robust navigation loading...');
    
    // Ensure the menu system works even if other JavaScript fails
    function initRobustNavigation() {
        // Find all menu toggle elements
        const $menuToggles = $('.hvac-trainer-menu .menu-toggle');
        
        console.log('HVAC Navigation: Found', $menuToggles.length, 'menu toggles');
        
        // Add click handlers to dropdown toggles
        $menuToggles.off('click.hvacRobust').on('click.hvacRobust', function(e) {
            e.preventDefault();
            e.stopPropagation();
            
            const $this = $(this);
            const $menuItem = $this.closest('.menu-item');
            const $submenu = $menuItem.find('> .sub-menu');
            
            console.log('HVAC Navigation: Toggle clicked for', $this.text().trim());
            
            // Close other open menus at the same level
            $this.closest('ul').find('> .menu-item.open').not($menuItem).removeClass('open');
            
            // Toggle this menu
            $menuItem.toggleClass('open');
            
            // Log the state
            console.log('HVAC Navigation: Menu is now', $menuItem.hasClass('open') ? 'open' : 'closed');
        });
        
        // Ensure hamburger menu works
        const $hamburger = $('#hvac-hamburger-menu, .hvac-hamburger-menu');
        const $menu = $('#hvac-trainer-menu, .hvac-trainer-menu');
        
        if ($hamburger.length && $menu.length) {
            console.log('HVAC Navigation: Setting up hamburger menu');
            
            $hamburger.off('click.hvacRobust').on('click.hvacRobust', function(e) {
                e.preventDefault();
                e.stopPropagation();
                
                console.log('HVAC Navigation: Hamburger clicked');
                
                $hamburger.toggleClass('active');
                $menu.toggleClass('active');
                
                // Update aria attributes
                const isOpen = $menu.hasClass('active');
                $hamburger.attr('aria-expanded', isOpen);
                
                console.log('HVAC Navigation: Menu is now', isOpen ? 'active' : 'inactive');
            });
        }
        
        // Close menu when clicking outside (on mobile)
        $(document).off('click.hvacRobustOutside').on('click.hvacRobustOutside', function(e) {
            if (!$(e.target).closest('.hvac-trainer-nav').length) {
                if (window.innerWidth <= 992) {
                    $menu.removeClass('active');
                    $hamburger.removeClass('active');
                    $hamburger.attr('aria-expanded', 'false');
                }
                
                // Close all open dropdowns
                $('.hvac-trainer-menu .menu-item.open').removeClass('open');
            }
        });
        
        // Handle window resize
        $(window).off('resize.hvacRobust').on('resize.hvacRobust', function() {
            if (window.innerWidth > 992) {
                // Reset mobile menu state on desktop
                $menu.removeClass('active');
                $hamburger.removeClass('active');
                $hamburger.attr('aria-expanded', 'false');
            }
        });
        
        console.log('HVAC Navigation: Robust navigation initialized successfully');
    }
    
    // Initialize immediately
    initRobustNavigation();
    
    // Reinitialize after AJAX or dynamic content changes
    $(document).on('hvac-content-updated', initRobustNavigation);
    
    // Fallback initialization after a delay
    setTimeout(function() {
        // Check if dropdowns are working
        const $firstToggle = $('.hvac-trainer-menu .menu-toggle').first();
        if ($firstToggle.length) {
            // Simulate a click to test functionality
            const events = $._data($firstToggle[0], 'events');
            if (!events || !events.click || events.click.length === 0) {
                console.log('HVAC Navigation: No click handlers found, reinitializing...');
                initRobustNavigation();
            }
        }
    }, 1000);
    
    // Extra safety net - ensure menu visibility
    function ensureMenuVisibility() {
        const $activeMenu = $('.hvac-trainer-menu.active');
        if ($activeMenu.length && $activeMenu.is(':hidden')) {
            console.log('HVAC Navigation: Forcing menu visibility');
            $activeMenu.css({
                'display': 'block',
                'visibility': 'visible',
                'opacity': '1'
            });
        }
    }
    
    // Check menu visibility periodically
    setInterval(ensureMenuVisibility, 2000);
});