// Navigation Toggle
const navToggle = document.querySelector('.nav-toggle');
const navMenu = document.querySelector('.nav-menu');

if (navToggle && navMenu) {
  navToggle.addEventListener('click', () => {
    const isExpanded = navToggle.getAttribute('aria-expanded') === 'true';
    navToggle.setAttribute('aria-expanded', !isExpanded);
    navMenu.classList.toggle('active');
  });

  // Close menu when clicking outside
  document.addEventListener('click', (e) => {
    if (!navToggle.contains(e.target) && !navMenu.contains(e.target)) {
      navToggle.setAttribute('aria-expanded', 'false');
      navMenu.classList.remove('active');
    }
  });

  // Close menu on escape key
  document.addEventListener('keydown', (e) => {
    if (e.key === 'Escape' && navMenu.classList.contains('active')) {
      navToggle.setAttribute('aria-expanded', 'false');
      navMenu.classList.remove('active');
      navToggle.focus();
    }
  });
}

// Reveal on Scroll
const revealElements = document.querySelectorAll('[data-reveal]');

const revealObserver = new IntersectionObserver((entries) => {
  entries.forEach((entry, index) => {
    if (entry.isIntersecting) {
      // Stagger the reveal animation
      setTimeout(() => {
        entry.target.classList.add('revealed');
      }, index * 100);
      revealObserver.unobserve(entry.target);
    }
  });
}, {
  threshold: 0.1,
  rootMargin: '0px 0px -50px 0px'
});

// Check for reduced motion preference
const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

if (!prefersReducedMotion) {
  revealElements.forEach(el => revealObserver.observe(el));
} else {
  // If user prefers reduced motion, reveal everything immediately
  revealElements.forEach(el => el.classList.add('revealed'));
}

// Animated Counter
const counters = document.querySelectorAll('[data-count]');

const counterObserver = new IntersectionObserver((entries) => {
  entries.forEach(entry => {
    if (entry.isIntersecting) {
      const counter = entry.target;
      const target = parseInt(counter.getAttribute('data-count'));
      const duration = 2000;
      const step = target / (duration / 16);
      let current = 0;

      const updateCounter = () => {
        current += step;
        if (current < target) {
          counter.textContent = Math.floor(current).toLocaleString('he-IL');
          requestAnimationFrame(updateCounter);
        } else {
          counter.textContent = target.toLocaleString('he-IL');
        }
      };

      if (!prefersReducedMotion) {
        updateCounter();
      } else {
        counter.textContent = target.toLocaleString('he-IL');
      }
      
      counterObserver.unobserve(counter);
    }
  });
}, {
  threshold: 0.5
});

counters.forEach(counter => counterObserver.observe(counter));

// Pricing Toggle
const pricingToggle = document.querySelector('.toggle-switch');
const monthlyLabel = document.querySelector('[data-pricing="monthly"]');
const annualLabel = document.querySelector('[data-pricing="annual"]');
const prices = document.querySelectorAll('[data-price-monthly]');

if (pricingToggle && prices.length > 0) {
  pricingToggle.addEventListener('click', () => {
    pricingToggle.classList.toggle('active');
    const isAnnual = pricingToggle.classList.contains('active');
    
    if (monthlyLabel) monthlyLabel.classList.toggle('active', !isAnnual);
    if (annualLabel) annualLabel.classList.toggle('active', isAnnual);
    
    prices.forEach(price => {
      const monthly = price.getAttribute('data-price-monthly');
      const annual = price.getAttribute('data-price-annual');
      price.innerHTML = isAnnual ? annual : monthly;
    });
  });
}

// Form Validation and Submission
const contactForm = document.querySelector('.contact-form');

if (contactForm) {
  contactForm.addEventListener('submit', (e) => {
    e.preventDefault();
    
    // Basic validation
    const required = contactForm.querySelectorAll('[required]');
    let isValid = true;
    
    required.forEach(field => {
      if (!field.value.trim()) {
        isValid = false;
        field.classList.add('error');
      } else {
        field.classList.remove('error');
      }
    });
    
    // Email validation
    const email = contactForm.querySelector('[type="email"]');
    if (email && email.value) {
      const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
      if (!emailRegex.test(email.value)) {
        isValid = false;
        email.classList.add('error');
      }
    }
    
    if (isValid) {
      // Simulate form submission
      const submitBtn = contactForm.querySelector('button[type="submit"]');
      const originalText = submitBtn.textContent;
      submitBtn.textContent = 'שולח...';
      submitBtn.disabled = true;
      
      setTimeout(() => {
        submitBtn.textContent = 'נשלח בהצלחה!';
        submitBtn.classList.add('success');
        
        setTimeout(() => {
          contactForm.reset();
          submitBtn.textContent = originalText;
          submitBtn.disabled = false;
          submitBtn.classList.remove('success');
        }, 3000);
      }, 1500);
    }
  });
}

// Newsletter Form
const newsletterForm = document.querySelector('.newsletter-form');

if (newsletterForm) {
  newsletterForm.addEventListener('submit', (e) => {
    e.preventDefault();
    
    const email = newsletterForm.querySelector('input[type="email"]');
    const submitBtn = newsletterForm.querySelector('button');
    
    if (email && email.value) {
      const originalText = submitBtn.textContent;
      submitBtn.textContent = 'נרשמת!';
      submitBtn.disabled = true;
      
      setTimeout(() => {
        email.value = '';
        submitBtn.textContent = originalText;
        submitBtn.disabled = false;
      }, 3000);
    }
  });
}

// Smooth scroll for anchor links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
  anchor.addEventListener('click', function (e) {
    const targetId = this.getAttribute('href');
    if (targetId === '#') return;
    
    const target = document.querySelector(targetId);
    if (target) {
      e.preventDefault();
      target.scrollIntoView({
        behavior: prefersReducedMotion ? 'auto' : 'smooth'
      });
    }
  });
});

// Header scroll effect
const header = document.querySelector('.site-header');

if (header) {
  let lastScroll = 0;
  
  window.addEventListener('scroll', () => {
    const currentScroll = window.pageYOffset;
    
    if (currentScroll > 100) {
      header.style.boxShadow = 'var(--shadow-md)';
    } else {
      header.style.boxShadow = 'none';
    }
    
    lastScroll = currentScroll;
  }, { passive: true });
}