// Main JavaScript for RoseRadiance Design Showcase

class RoseRadianceApp {
    constructor() {
        this.init();
    }

    init() {
        console.log('RoseRadiance Design Showcase initialized');
        this.setupEventListeners();
        this.enhanceUI();
        this.loadDynamicContent();
        this.initializeComponents();
    }

    setupEventListeners() {
        // Smooth scroll for all anchor links
        document.addEventListener('click', (e) => {
            const link = e.target.closest('a');
            if (link && link.hash && link.pathname === window.location.pathname) {
                e.preventDefault();
                const target = document.querySelector(link.hash);
                if (target) {
                    target.scrollIntoView({ behavior: 'smooth' });
                }
            }
        });

        // Back to top button
        window.addEventListener('scroll', this.debounce(() => {
            this.toggleBackToTopButton();
        }, 100));

        // Responsive image loading
        window.addEventListener('load', () => {
            this.lazyLoadImages();
        });

        // Theme support (future dark mode)
        window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
            console.log('Theme preference changed to:', e.matches ? 'dark' : 'light');
        });
    }

    enhanceUI() {
        // Add hover effects to cards
        document.querySelectorAll('.hover-card').forEach(card => {
            card.addEventListener('mouseenter', () => {
                card.classList.add('shadow-xl', 'border-rose-200');
            });
            
            card.addEventListener('mouseleave', () => {
                card.classList.remove('shadow-xl', 'border-rose-200');
            });
        });

        // Add click ripple effect to buttons
        document.querySelectorAll('button, a[role="button"]').forEach(button => {
            button.addEventListener('click', (e) => {
                this.createRippleEffect(e, button);
            });
        });
    }

    createRippleEffect(event, element) {
        const ripple = document.createElement('span');
        const rect = element.getBoundingClientRect();
        const size = Math.max(rect.width, rect.height);
        const x = event.clientX - rect.left - size / 2;
        const y = event.clientY - rect.top - size / 2;

        ripple.style.cssText = `
            position: absolute;
            border-radius: 50%;
            background: rgba(244, 63, 94, 0.3);
            transform: scale(0);
            animation: ripple-animation 600ms linear;
            width: ${size}px;
            height: ${size}px;
            top: ${y}px;
            left: ${x}px;
            pointer-events: none;
        `;

        // Add CSS animation if not exists
        if (!document.querySelector('#ripple-styles')) {
            const style = document.createElement('style');
            style.id = 'ripple-styles';
            style.textContent = `
                @keyframes ripple-animation {
                    to {
                        transform: scale(4);
                        opacity: 0;
                    }
                }
            `;
            document.head.appendChild(style);
        }

        element.style.position = 'relative';
        element.style.overflow = 'hidden';
        element.appendChild(ripple);

        setTimeout(() => {
            ripple.remove();
        }, 600);
    }

    loadDynamicContent() {
        // This could be expanded to load content from APIs
        console.log('Loading dynamic content...');
        
        // Example: Load featured designs
        this.loadFeaturedDesigns();
    }

    loadFeaturedDesigns() {
        // Simulating API call
        setTimeout(() => {
            const designs = [
                { id: 1, title: "Minimal Dashboard", category: "UI Design", likes: 42 },
                { id: 2, title: "E-commerce Redesign", category: "Web Design", likes: 87 },
                { id: 3, title: "Mobile App Icons", category: "App Design", likes: 63 }
            ];
            
            console.log('Featured designs loaded:', designs);
        }, 1000);
    }

    lazyLoadImages() {
        const images = document.querySelectorAll('img[data-src]');
        const observer = new IntersectionObserver((entries) => {
            entries.forEach(entry => {
                if (entry.isIntersecting) {
                    const img = entry.target;
                    img.src = img.dataset.src;
                    img.removeAttribute('data-src');
                    observer.unobserve(img);
                }
            });
        });

        images.forEach(img => observer.observe(img));
    }

    toggleBackToTopButton() {
        const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
        const backToTop = document.querySelector('#back-to-top');
        
        if (!backToTop) return;

        if (scrollTop > 300) {
            backToTop.classList.remove('opacity-0', 'invisible');
            backToTop.classList.add('opacity-100', 'visible');
        } else {
            backToTop.classList.remove('opacity-100', 'visible');
            backToTop.classList.add('opacity-0', 'invisible');
        }
    }

    initializeComponents() {
        // Initialize any custom components here
        this.initImageLightbox();
        this.initSmoothTransitions();
    }

    initImageLightbox() {
        // This would be expanded for a proper lightbox implementation
        console.log('Image lightbox ready');
    }

    initSmoothTransitions() {
        // Add smooth transitions to elements
        document.querySelectorAll('.transition-element').forEach(element => {
            element.style.transition = 'all 0.3s cubic-bezier(0.4, 0, 0.2, 1)';
        });
    }

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

    // Utility function for toast notifications
    showToast(message, type = 'success') {
        const toast = document.createElement('div');
        toast.className = `fixed bottom-4 right-4 px-6 py-3 rounded-lg shadow-xl transform transition-all duration-300 translate-x-full ${this.getToastClass(type)}`;
        toast.textContent = message;
        
        document.body.appendChild(toast);
        
        setTimeout(() => {
            toast.classList.remove('translate-x-full');
        }, 10);
        
        setTimeout(() => {
            toast.classList.add('translate-x-full');
            setTimeout(() => toast.remove(), 300);
        }, 3000);
    }

    getToastClass(type) {
        const classes = {
            success: 'bg-gradient-to-r from-rose-100 to-pink-100 border border-rose-200 text-rose-700',
            error: 'bg-red-50 border border-red-200 text-red-700',
            info: 'bg-blue-50 border border-blue-200 text-blue-700',
            warning: 'bg-yellow-50 border border-yellow-200 text-yellow-700'
        };
        return classes[type] || classes.info;
    }

    // Analytics tracking
    trackEvent(event, data = {}) {
        console.log(`Event tracked: ${event}`, data);
        // Here you would integrate with Google Analytics or similar
    }
}

// Initialize the app when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
    const app = new RoseRadianceApp();
    
    // Make app available globally for debugging
    window.roseRadianceApp = app;
});

// Service Worker Registration (optional)
if ('serviceWorker' in navigator) {
    window.addEventListener('load', () => {
        navigator.serviceWorker.register('/sw.js').then(registration => {
            console.log('SW registered:', registration);
        }).catch(registrationError => {
            console.log('SW registration failed:', registrationError);
        });
    });
}

// Image Gallery Helper Function
function loadGalleryImages(category = 'all') {
    return fetch(`https://api.example.com/gallery/${category}`)
        .then(response => response.json())
        .catch(error => {
            console.error('Error loading gallery images:', error);
            return [];
        });
}

// Form Validation Helper
function validateForm(form) {
    let isValid = true;
    const inputs = form.querySelectorAll('input[required], textarea[required]');
    
    inputs.forEach(input => {
        if (!input.value.trim()) {
            isValid = false;
            input.classList.add('border-red-500');
            input.classList.remove('border-rose-200');
        } else {
            input.classList.remove('border-red-500');
            input.classList.add('border-rose-200');
        }
    });
    
    return isValid;
}