// Main application script
document.addEventListener('DOMContentLoaded', function() {
    // Initialize Feather Icons
    feather.replace();
    
    // Smooth scrolling for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function (e) {
            e.preventDefault();
            const targetId = this.getAttribute('href');
            if (targetId === '#') return;
            
            const targetElement = document.querySelector(targetId);
            if (targetElement) {
                window.scrollTo({
                    top: targetElement.offsetTop - 100,
                    behavior: 'smooth'
                });
            }
        });
    });
    
    // Add hover effect to service cards
    const serviceCards = document.querySelectorAll('service-card');
    serviceCards.forEach(card => {
        card.addEventListener('mouseenter', function() {
            this.style.transform = 'translateY(-8px)';
            this.style.transition = 'transform 0.3s ease';
        });
        
        card.addEventListener('mouseleave', function() {
            this.style.transform = 'translateY(0)';
        });
    });
    
    // Form submission handling
    const contactForm = document.querySelector('contact-form');
    if (contactForm) {
        contactForm.addEventListener('submit', function(e) {
            e.preventDefault();
            
            // Get form data
            const formData = new FormData(e.target);
            const data = Object.fromEntries(formData);
            
            // Show loading state
            const submitBtn = e.target.querySelector('button[type="submit"]');
            const originalText = submitBtn.innerHTML;
            submitBtn.innerHTML = '<span class="loading-dots"><span></span><span></span><span></span></span>';
            submitBtn.disabled = true;
            
            // Simulate API call
            setTimeout(() => {
                // Reset form
                e.target.reset();
                
                // Show success message
                showNotification('Message sent successfully! We\'ll get back to you soon.', 'success');
                
                // Reset button
                submitBtn.innerHTML = originalText;
                submitBtn.disabled = false;
            }, 2000);
        });
    }
    
    // Intersection Observer for animations
    const observerOptions = {
        threshold: 0.1,
        rootMargin: '0px 0px -50px 0px'
    };
    
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('animate-float');
            }
        });
    }, observerOptions);
    
    // Observe elements that should animate on scroll
    const animatedElements = document.querySelectorAll('.service-card, .portfolio-card, .testimonial-card');
    animatedElements.forEach(el => {
        observer.observe(el);
    });
    
    // Counter animation for stats
    const statsCounters = document.querySelectorAll('stats-counter');
    statsCounters.forEach(counter => {
        observer.observe(counter);
    });
    
    // Notification function
    window.showNotification = function(message, type = 'success') {
        const notification = document.createElement('div');
        notification.className = `fixed top-4 right-4 z-50 px-6 py-4 rounded-lg shadow-lg transform transition-all duration-300 translate-x-full ${type === 'success' ? 'bg-green-500' : 'bg-red-500'} text-white`;
        notification.textContent = message;
        document.body.appendChild(notification);
        
        // Animate in
        setTimeout(() => {
            notification.classList.remove('translate-x-full');
        }, 10);
        
        // Remove after 5 seconds
        setTimeout(() => {
            notification.classList.add('translate-x-full');
            setTimeout(() => {
                notification.remove();
            }, 300);
        }, 5000);
    };
    
    // Mobile menu toggle
    const mobileMenuBtn = document.querySelector('[data-mobile-menu-toggle]');
    const mobileMenu = document.querySelector('[data-mobile-menu]');
    
    if (mobileMenuBtn && mobileMenu) {
        mobileMenuBtn.addEventListener('click', () => {
            mobileMenu.classList.toggle('hidden');
            mobileMenu.classList.toggle('flex');
        });
    }
    
    // Dark mode toggle (placeholder for future implementation)
    const darkModeToggle = document.querySelector('[data-dark-mode-toggle]');
    if (darkModeToggle) {
        darkModeToggle.addEventListener('click', () => {
            document.documentElement.classList.toggle('dark');
            localStorage.setItem('darkMode', document.documentElement.classList.contains('dark'));
        });
        
        // Check for saved preference
        if (localStorage.getItem('darkMode') === 'true') {
            document.documentElement.classList.add('dark');
        }
    }
    
    // Lazy loading for images
    const lazyImages = document.querySelectorAll('img[data-src]');
    const imageObserver = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                const img = entry.target;
                img.src = img.dataset.src;
                img.classList.remove('opacity-0');
                imageObserver.unobserve(img);
            }
        });
    });
    
    lazyImages.forEach(img => {
        imageObserver.observe(img);
        img.classList.add('opacity-0', 'transition-opacity', 'duration-500');
    });
});

// Utility functions
function debounce(func, wait) {
    let timeout;
    return function executedFunction(...args) {
        const later = () => {
            clearTimeout(timeout);
            func(...args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    };
}

function throttle(func, limit) {
    let inThrottle;
    return function() {
        const args = arguments;
        const context = this;
        if (!inThrottle) {
            func.apply(context, args);
            inThrottle = true;
            setTimeout(() => inThrottle = false, limit);
        }
    };
}

// API integration example
async function fetchDesignInspiration() {
    try {
        const response = await fetch('https://api.unsplash.com/photos/random?query=web-design&count=3', {
            headers: {
                'Authorization': 'Client-ID YOUR_UNSPLASH_ACCESS_KEY'
            }
        });
        const data = await response.json();
        return data;
    } catch (error) {
        console.error('Error fetching design inspiration:', error);
        return [];
    }
}

// Export utility functions
window.PixelCraftUtils = {
    debounce,
    throttle,
    showNotification: window.showNotification
};