// Main JavaScript for BumdFun

// Initialize when DOM is loaded
document.addEventListener('DOMContentLoaded', function() {
    // Add smooth scroll behavior for anchor links
    const anchorLinks = document.querySelectorAll('a[href^="#"]');
    anchorLinks.forEach(link => {
        link.addEventListener('click', function(e) {
            e.preventDefault();
            const targetId = this.getAttribute('href');
            const targetElement = document.querySelector(targetId);
            if (targetElement) {
                targetElement.scrollIntoView({
                    behavior: 'smooth',
                    block: 'start'
                });
            }
        });
    });

    // Add intersection observer for fade-in animations
    const observerOptions = {
        threshold: 0.1,
        rootMargin: '0px 0px -50px 0px'
    };

    const observer = new IntersectionObserver(function(entries) {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('opacity-100', 'translate-y-0');
                entry.target.classList.remove('opacity-0', 'translate-y-8');
            }
        });
    }, observerOptions);

    // Observe elements for animation
    const animatedElements = document.querySelectorAll('.feature-card, .explore-card');
    animatedElements.forEach(el => {
        el.classList.add('opacity-0', 'translate-y-8', 'transition-all', 'duration-700');
        observer.observe(el);
    });

    // Parallax effect for hero section
    window.addEventListener('scroll', function() {
        const scrolled = window.pageYOffset;
        const parallaxElements = document.querySelectorAll('.parallax');
        parallaxElements.forEach(el => {
            const speed = el.dataset.speed || 0.5;
            el.style.transform = `translateY(${scrolled * speed}px)`;
    });

    // Theme toggle functionality (for future implementation)
    const themeToggle = document.querySelector('#theme-toggle');
    if (themeToggle) {
        themeToggle.addEventListener('click', function() {
            document.body.classList.toggle('dark');
            // Save theme preference to localStorage
            const isDark = document.body.classList.contains('dark');
            localStorage.setItem('bumdfun-theme', isDark ? 'dark' : 'light');
        });
    }

    // Check for saved theme preference
    const savedTheme = localStorage.getItem('bumdfun-theme');
    if (savedTheme === 'dark') {
        document.body.classList.add('dark');
    }

    // Initialize tooltips for icons
    const initTooltips = () => {
        const tooltipElements = document.querySelectorAll('[data-tooltip]');
        tooltipElements.forEach(el => {
            el.addEventListener('mouseenter', function() {
                const tooltip = document.createElement('div');
                tooltip.className = 'absolute z-50 px-3 py-2 text-sm font-medium text-white bg-gray-900 rounded-lg shadow-sm tooltip';
                tooltip.textContent = this.dataset.tooltip;
                document.body.appendChild(tooltip);

                const rect = this.getBoundingClientRect();
                tooltip.style.left = `${rect.left + window.scrollX}px`;
                tooltip.style.top = `${rect.top + window.scrollY - 40}px`;

                this.addEventListener('mouseleave', function() {
                    tooltip.remove();
                }, { once: true });
            });
        });
    };

    initTooltips();
});

// Utility function for API calls
async function fetchBumdData(endpoint) {
    try {
        const response = await fetch(`https://api.bumdfun.com/${endpoint}`);
        if (!response.ok) {
            throw new Error('Network response was not ok');
        }
        return await response.json();
    } catch (error) {
        console.error('Error fetching data:', error);
        return null;
    }
}

// Export for use in components
window.BumdFunUtils = {
    fetchBumdData
};