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

    init() {
        this.setupIntersectionObserver();
        this.setupMagneticEffects();
        this.setupParallaxEffects();
        this.addFloatingShapes();
    }


    setupIntersectionObserver() {
        const observerOptions = {
            threshold: 0.1,
            rootMargin: '0px 0px -50px 0px'
        };

        const observer = new IntersectionObserver((entries) => {
            entries.forEach(entry => {
                if (entry.isIntersecting) {
                    const element = entry.target;
                    const animation = element.dataset.animation;
                    const delay = element.dataset.delay || 0;
                    
                    setTimeout(() => {
                        element.classList.add(`animate-${animation}`);
                        
                        if (element.dataset.counter) {
                            this.animateCounter(element);
                        }
                    }, delay);
                    
                    observer.unobserve(element);
                }
            });
        }, observerOptions);

        document.querySelectorAll('.animate-on-scroll').forEach(el => {
            observer.observe(el);
        });
    }

    setupMagneticEffects() {
        document.querySelectorAll('.magnetic').forEach(button => {
            button.addEventListener('mousemove', (e) => {
                const rect = button.getBoundingClientRect();
                const x = e.clientX - rect.left - rect.width / 2;
                const y = e.clientY - rect.top - rect.height / 2;
                
                button.style.transform = `translate(${x * 0.1}px, ${y * 0.1}px) scale(1.02)`;
            });
            
            button.addEventListener('mouseleave', () => {
                button.style.transform = 'translate(0px, 0px) scale(1)';
            });
        });
    }

    setupParallaxEffects() {
        window.addEventListener('scroll', () => {
            const scrolled = window.pageYOffset;
            const parallaxElements = document.querySelectorAll('.parallax');
            
            parallaxElements.forEach(element => {
                const speed = element.dataset.speed || 0.5;
                const yPos = -(scrolled * speed);
                element.style.transform = `translateY(${yPos}px)`;
            });
        });
    }

    animateCounter(element) {
        const target = parseInt(element.dataset.counter);
        const duration = 2000;
        const start = 0;
        const increment = target / (duration / 16);
        let current = start;

        const timer = setInterval(() => {
            current += increment;
            if (current >= target) {
                current = target;
                clearInterval(timer);
            }
            element.textContent = Math.floor(current);
        }, 16);
    }

    addFloatingShapes() {
        const hero = document.querySelector('.hero-gradient');
        if (!hero) return;

        const shapesContainer = document.createElement('div');
        shapesContainer.className = 'floating-shapes';

        for (let i = 0; i < 3; i++) {
            const shape = document.createElement('div');
            shape.className = 'floating-shape';
            shapesContainer.appendChild(shape);
        }

        hero.appendChild(shapesContainer);
    }

    static typeWriter(element, text, speed = 100) {
        let i = 0;
        element.textContent = '';
        
        function type() {
            if (i < text.length) {
                element.textContent += text.charAt(i);
                i++;
                setTimeout(type, speed);
            }
        }
        
        type();
    }

    static revealText(element) {
        const text = element.textContent;
        const words = text.split(' ');
        element.innerHTML = '';

        words.forEach((word, index) => {
            const span = document.createElement('span');
            span.textContent = word + ' ';
            span.style.opacity = '0';
            span.style.transform = 'translateY(20px)';
            span.style.transition = `all 0.6s ease ${index * 0.1}s`;
            element.appendChild(span);

            setTimeout(() => {
                span.style.opacity = '1';
                span.style.transform = 'translateY(0)';
            }, 100);
        });
    }

    static setupSmoothScroll() {
        document.querySelectorAll('a[href^="#"]').forEach(anchor => {
            anchor.addEventListener('click', function (e) {
                e.preventDefault();
                const target = document.querySelector(this.getAttribute('href'));
                
                if (target) {
                    target.scrollIntoView({
                        behavior: 'smooth',
                        block: 'start'
                    });
                }
            });
        });
    }
}

document.addEventListener('DOMContentLoaded', () => {
    new PortfolioAnimations();
    PortfolioAnimations.setupSmoothScroll();
});

window.PortfolioAnimations = PortfolioAnimations;

function initScrollAnimations() {
    const observerOptions = {
        threshold: 0.1,
        rootMargin: '0px 0px -50px 0px'
    };

    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                const delay = entry.target.dataset.delay || 0;
                setTimeout(() => {
                    entry.target.classList.add('visible');
                }, delay);
            }
        });
    }, observerOptions);

    document.querySelectorAll('.animate-on-scroll').forEach(el => {
        observer.observe(el);
    });
}

function initMagneticEffect() {
    const magneticElements = document.querySelectorAll('.magnetic');
    
    magneticElements.forEach(el => {
        el.addEventListener('mousemove', (e) => {
            const rect = el.getBoundingClientRect();
            const x = e.clientX - rect.left - rect.width / 2;
            const y = e.clientY - rect.top - rect.height / 2;
            
            el.style.transform = `translate(${x * 0.1}px, ${y * 0.1}px) scale(1.02)`;
        });
        
        el.addEventListener('mouseleave', () => {
            el.style.transform = 'translate(0px, 0px) scale(1)';
        });
    });
}

document.addEventListener('DOMContentLoaded', () => {
    initScrollAnimations();
    initMagneticEffect();
});