(function() {
  'use strict';

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

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

  // Mobile Navigation
  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);
      navToggle.setAttribute('aria-label', isExpanded ? 'פתיחת תפריט ניווט' : 'סגירת תפריט ניווט');
      navMenu.classList.toggle('active');
    });

    // Close menu when clicking a link
    navMenu.querySelectorAll('a').forEach(link => {
      link.addEventListener('click', () => {
        navToggle.setAttribute('aria-expanded', 'false');
        navToggle.setAttribute('aria-label', 'פתיחת תפריט ניווט');
        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');
        navToggle.setAttribute('aria-label', 'פתיחת תפריט ניווט');
        navMenu.classList.remove('active');
        navToggle.focus();
      }
    });
  }

  // Smooth scroll for anchor links
  document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function(e) {
      const href = this.getAttribute('href');
      if (href === '#') return;
      
      const target = document.querySelector(href);
      if (target) {
        e.preventDefault();
        target.scrollIntoView({
          behavior: prefersReducedMotion ? 'auto' : 'smooth',
          block: 'start'
        });
        // Set focus to target for accessibility
        target.setAttribute('tabindex', '-1');
        target.focus({ preventScroll: true });
      }
    });
  });

  // Toast notification
  function showToast(message, type = 'success') {
    const toast = document.getElementById('toast');
    if (!toast) return;
    
    toast.textContent = message;
    toast.className = 'toast show ' + type;
    
    setTimeout(() => {
      toast.classList.remove('show');
    }, 4000);
  }

  // Form validation helpers
  function showError(inputId, message) {
    const input = document.getElementById(inputId);
    const errorEl = document.getElementById(inputId + '-error');
    if (input) {
      input.classList.add('error');
      input.setAttribute('aria-invalid', 'true');
      input.setAttribute('aria-describedby', inputId + '-error');
    }
    if (errorEl) {
      errorEl.textContent = message;
    }
  }

  function clearError(inputId) {
    const input = document.getElementById(inputId);
    const errorEl = document.getElementById(inputId + '-error');
    if (input) {
      input.classList.remove('error');
      input.removeAttribute('aria-invalid');
      input.removeAttribute('aria-describedby');
    }
    if (errorEl) {
      errorEl.textContent = '';
    }
  }

  function clearAllErrors(form) {
    form.querySelectorAll('.error').forEach(el => el.classList.remove('error'));
    form.querySelectorAll('.error-message').forEach(el => el.textContent = '');
    form.querySelectorAll('[aria-invalid]').forEach(el => {
      el.removeAttribute('aria-invalid');
      el.removeAttribute('aria-describedby');
    });
  }

  // Set minimum date for booking
  const dateInput = document.getElementById('date');
  if (dateInput) {
    const today = new Date();
    const tomorrow = new Date(today);
    tomorrow.setDate(tomorrow.getDate() + 1);
    
    const year = tomorrow.getFullYear();
    const month = String(tomorrow.getMonth() + 1).padStart(2, '0');
    const day = String(tomorrow.getDate()).padStart(2, '0');
    
    dateInput.setAttribute('min', `${year}-${month}-${day}`);
    
    // Set max date to 3 months from now
    const maxDate = new Date(today);
    maxDate.setMonth(maxDate.getMonth() + 3);
    const maxYear = maxDate.getFullYear();
    const maxMonth = String(maxDate.getMonth() + 1).padStart(2, '0');
    const maxDay = String(maxDate.getDate()).padStart(2, '0');
    dateInput.setAttribute('max', `${maxYear}-${maxMonth}-${maxDay}`);
  }

  // Phone validation (Israeli format)
  function isValidPhone(phone) {
    const cleaned = phone.replace(/[\s\-]/g, '');
    return /^0[2-9]\d{7,8}$/.test(cleaned);
  }

  // Booking Form
  const bookingForm = document.getElementById('bookingForm');
  if (bookingForm) {
    bookingForm.addEventListener('submit', function(e) {
      e.preventDefault();
      clearAllErrors(this);
      
      const formData = new FormData(this);
      const data = Object.fromEntries(formData.entries());
      let hasError = false;
      
      // Validate required fields
      if (!data.name.trim()) {
        showError('name', 'נא להזין שם');
        hasError = true;
      }
      
      if (!data.phone.trim()) {
        showError('phone', 'נא להזין טלפון');
        hasError = true;
      } else if (!isValidPhone(data.phone)) {
        showError('phone', 'נא להזין מספר טלפון תקין');
        hasError = true;
      }
      
      if (!data.service) {
        showError('service', 'נא לבחור שירות');
        hasError = true;
      }
      
      if (!data.date) {
        showError('date', 'נא לבחור תאריך');
        hasError = true;
      }
      
      if (!data.time) {
        showError('time', 'נא לבחור שעה');
        hasError = true;
      }
      
      if (hasError) {
        showToast('נא לתקן את השגיאות בטופס', 'error');
        // Focus first error
        const firstError = this.querySelector('.error');
        if (firstError) firstError.focus();
        return;
      }
      
      // Simulate form submission
      const submitBtn = this.querySelector('button[type="submit"]');
      const originalText = submitBtn.textContent;
      submitBtn.textContent = 'שולח...';
      submitBtn.disabled = true;
      
      setTimeout(() => {
        showToast('הבקשה נשלחה! נחזור אליכם תוך 3 שעות.', 'success');
        this.reset();
        submitBtn.textContent = originalText;
        submitBtn.disabled = false;
      }, 1200);
    });

    // Clear errors on input
    bookingForm.querySelectorAll('input, select, textarea').forEach(input => {
      input.addEventListener('input', () => {
        clearError(input.id);
      });
    });
  }

  // Contact Form
  const contactForm = document.getElementById('contactForm');
  if (contactForm) {
    contactForm.addEventListener('submit', function(e) {
      e.preventDefault();
      clearAllErrors(this);
      
      const formData = new FormData(this);
      const data = Object.fromEntries(formData.entries());
      let hasError = false;
      
      if (!data.name.trim()) {
        showError('contactName', 'נא להזין שם');
        hasError = true;
      }
      
      const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
      if (!data.email.trim()) {
        showError('contactEmail', 'נא להזין אימייל');
        hasError = true;
      } else if (!emailRegex.test(data.email)) {
        showError('contactEmail', 'נא להזין אימייל תקין');
        hasError = true;
      }
      
      if (!data.message.trim()) {
        showError('contactMessage', 'נא להזין הודעה');
        hasError = true;
      }
      
      if (hasError) {
        showToast('נא לתקן את השגיאות בטופס', 'error');
        const firstError = this.querySelector('.error');
        if (firstError) firstError.focus();
        return;
      }
      
      // Simulate form submission
      const submitBtn = this.querySelector('button[type="submit"]');
      const originalText = submitBtn.textContent;
      submitBtn.textContent = 'שולח...';
      submitBtn.disabled = true;
      
      setTimeout(() => {
        showToast('ההודעה נשלחה! תודה על פנייתכם.', 'success');
        this.reset();
        submitBtn.textContent = originalText;
        submitBtn.disabled = false;
      }, 1200);
    });

    // Clear errors on input
    contactForm.querySelectorAll('input, textarea').forEach(input => {
      input.addEventListener('input', () => {
        clearError(input.id);
      });
    });
  }

  // Header background on scroll
  const header = document.querySelector('.site-header');
  let ticking = false;
  
  window.addEventListener('scroll', () => {
    if (!ticking) {
      window.requestAnimationFrame(() => {
        if (window.pageYOffset > 50) {
          header.style.background = 'rgba(15, 15, 15, 0.98)';
        } else {
          header.style.background = 'rgba(15, 15, 15, 0.92)';
        }
        ticking = false;
      });
      ticking = true;
    }
  }, { passive: true });

})();