(function() {
  'use strict';

  // Set current year in footer
  const yearEl = document.getElementById('current-year');
  if (yearEl) {
    yearEl.textContent = new Date().getFullYear();
  }

  // Set minimum date for booking (today)
  const dateInput = document.getElementById('date');
  if (dateInput) {
    const today = new Date().toISOString().split('T')[0];
    dateInput.setAttribute('min', today);
  }

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

  function handleScroll() {
    if (window.scrollY > 50) {
      header.classList.add('scrolled');
    } else {
      header.classList.remove('scrolled');
    }
  }

  window.addEventListener('scroll', handleScroll, { passive: true });

  // Mobile nav toggle
  const navToggle = document.querySelector('.nav-toggle');
  const navLinks = document.querySelector('.nav-links');

  if (navToggle && navLinks) {
    navToggle.addEventListener('click', function() {
      const isExpanded = this.getAttribute('aria-expanded') === 'true';
      this.setAttribute('aria-expanded', !isExpanded);
      navLinks.classList.toggle('active');
      document.body.style.overflow = isExpanded ? '' : 'hidden';
    });

    // Close menu when clicking a link
    navLinks.querySelectorAll('a').forEach(function(link) {
      link.addEventListener('click', function() {
        navToggle.setAttribute('aria-expanded', 'false');
        navLinks.classList.remove('active');
        document.body.style.overflow = '';
      });
    });

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

  // Reveal on scroll
  const revealElements = document.querySelectorAll('.reveal');
  const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)');

  if (prefersReducedMotion.matches) {
    revealElements.forEach(function(el) {
      el.classList.add('visible');
    });
  } else if ('IntersectionObserver' in window) {
    const revealObserver = new IntersectionObserver(function(entries) {
      entries.forEach(function(entry) {
        if (entry.isIntersecting) {
          entry.target.classList.add('visible');
          revealObserver.unobserve(entry.target);
        }
      });
    }, {
      threshold: 0.1,
      rootMargin: '0px 0px -40px 0px'
    });

    revealElements.forEach(function(el) {
      revealObserver.observe(el);
    });
  } else {
    revealElements.forEach(function(el) {
      el.classList.add('visible');
    });
  }

  // Smooth scroll for anchor links
  document.querySelectorAll('a[href^="#"]').forEach(function(anchor) {
    anchor.addEventListener('click', function(e) {
      const targetId = this.getAttribute('href');
      if (targetId === '#') return;
      
      const target = document.querySelector(targetId);
      if (target) {
        e.preventDefault();
        const headerHeight = header.offsetHeight;
        const targetPosition = target.getBoundingClientRect().top + window.scrollY - headerHeight - 20;
        
        window.scrollTo({
          top: targetPosition,
          behavior: prefersReducedMotion.matches ? 'auto' : 'smooth'
        });

        // Set focus for accessibility
        target.setAttribute('tabindex', '-1');
        target.focus({ preventScroll: true });
      }
    });
  });

  // Gallery keyboard interaction
  document.querySelectorAll('.gallery-item').forEach(function(item) {
    item.addEventListener('keydown', function(e) {
      if (e.key === 'Enter' || e.key === ' ') {
        e.preventDefault();
        // Could open a lightbox here; for now just visual feedback
        this.style.transform = 'scale(0.98)';
        setTimeout(() => {
          this.style.transform = '';
        }, 150);
      }
    });
  });

  // Form handling
  const form = document.querySelector('.booking-form');
  
  if (form) {
    form.addEventListener('submit', function(e) {
      e.preventDefault();
      
      // Simple validation
      let isValid = true;
      const requiredFields = form.querySelectorAll('[required]');
      
      requiredFields.forEach(function(field) {
        if (!field.value.trim()) {
          isValid = false;
          field.style.borderColor = '#e74c3c';
          field.setAttribute('aria-invalid', 'true');
        } else {
          field.style.borderColor = '';
          field.removeAttribute('aria-invalid');
        }
      });

      // Phone validation
      const phoneField = form.querySelector('#phone');
      if (phoneField && phoneField.value) {
        const phonePattern = /^[0-9\-\+\s]{9,15}$/;
        if (!phonePattern.test(phoneField.value.trim())) {
          isValid = false;
          phoneField.style.borderColor = '#e74c3c';
          phoneField.setAttribute('aria-invalid', 'true');
        }
      }

      if (isValid) {
        const btn = form.querySelector('.submit-btn');
        const originalText = btn.textContent;
        btn.textContent = 'הבקשה נשלחה בהצלחה!';
        btn.style.background = '#27ae60';
        btn.disabled = true;

        setTimeout(function() {
          btn.textContent = originalText;
          btn.style.background = '';
          btn.disabled = false;
          form.reset();
        }, 3000);
      }
    });

    // Clear error state on input
    form.querySelectorAll('input, select, textarea').forEach(function(field) {
      field.addEventListener('input', function() {
        this.style.borderColor = '';
        this.removeAttribute('aria-invalid');
      });
    });
  }

})();