// Theme cycle: dark → light → forest → coffee
(function() {
  const themes = ['dark', 'light', 'forest', 'coffee'];
  const icons = { dark: '🌙', light: '☀️', forest: '🌿', coffee: '☕' };

  function getStored() {
    try { return localStorage.getItem('kp-theme'); } catch(e) { return null; }
  }

  function setStored(theme) {
    try { localStorage.setItem('kp-theme', theme); } catch(e) {}
  }

  function applyTheme(theme) {
    document.documentElement.setAttribute('data-theme', theme);
    setStored(theme);
    var btn = document.getElementById('theme-toggle');
    if (btn) btn.textContent = icons[theme] || '🌙';
  }

  var stored = getStored();
  var current = stored || document.documentElement.getAttribute('data-theme') || 'dark';
  if (themes.indexOf(current) === -1) current = 'dark';
  applyTheme(current);

  document.getElementById('theme-toggle').addEventListener('click', function() {
    var idx = themes.indexOf(document.documentElement.getAttribute('data-theme'));
    var next = themes[(idx < 0 ? 0 : idx + 1) % themes.length];
    applyTheme(next);
  });
})();

// Mobile nav toggle
document.getElementById('nav-toggle').addEventListener('click', function() {
  var menu = document.getElementById('nav-menu');
  this.classList.toggle('is-active');
  menu.classList.toggle('is-active');
});

// Contact form - sends to backend API
var contactForm = document.getElementById('contact-form');
if (contactForm) {
  contactForm.addEventListener('submit', function(e) {
    e.preventDefault();
    
    var status = document.getElementById('form-status');
    var submitBtn = contactForm.querySelector('button[type="submit"]');
    var originalBtnText = submitBtn.textContent;
    
    var formData = new FormData(contactForm);
    var data = {
      name: formData.get('name'),
      email: formData.get('email'),
      service: formData.get('service'),
      message: formData.get('message')
    };
    
    var honeypot = formData.get('website') || formData.get('url') || formData.get('honey');
    if (honeypot) {
      status.className = 'notification is-success';
      status.textContent = 'Message received. We\'ll respond within 48 hours.';
      status.style.display = 'block';
      contactForm.reset();
      return;
    }
    
    submitBtn.disabled = true;
    submitBtn.textContent = 'Sending...';
    status.style.display = 'none';
    
    fetch('/api/contact', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(data)
    })
    .then(function(response) { return response.json(); })
    .then(function(result) {
      if (result.success) {
        status.className = 'notification is-success';
        status.textContent = result.message || 'Message received. We\'ll respond within 48 hours.';
        status.style.display = 'block';
        contactForm.reset();
      } else {
        throw new Error(result.error || 'Failed to send message');
      }
    })
    .catch(function(error) {
      status.className = 'notification is-danger';
      status.textContent = error.message || 'Failed to send message. Please try again.';
      status.style.display = 'block';
    })
    .finally(function() {
      submitBtn.disabled = false;
      submitBtn.textContent = originalBtnText;
    });
  });
}

// Audit form - sends to backend API
var auditForm = document.getElementById('audit-form');
if (auditForm) {
  auditForm.addEventListener('submit', function(e) {
    e.preventDefault();
    
    var status = document.getElementById('audit-status');
    var submitBtn = auditForm.querySelector('button[type="submit"]');
    var originalBtnText = submitBtn.textContent;
    
    var formData = new FormData(auditForm);
    var data = {
      name: formData.get('name'),
      email: formData.get('email'),
      business: formData.get('business'),
      audit_type: formData.get('audit_type'),
      description: formData.get('description')
    };
    
    var honeypot = formData.get('website') || formData.get('url') || formData.get('honey');
    if (honeypot) {
      status.className = 'notification is-success';
      status.textContent = 'Audit request received. We\'ll be in touch within 48 hours.';
      status.style.display = 'block';
      auditForm.reset();
      return;
    }
    
    submitBtn.disabled = true;
    submitBtn.textContent = 'Submitting...';
    status.style.display = 'none';
    
    fetch('/api/audit', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(data)
    })
    .then(function(response) { return response.json(); })
    .then(function(result) {
      if (result.success) {
        status.className = 'notification is-success';
        status.textContent = result.message || 'Audit request received. We\'ll review your situation and send a report within 48 hours.';
        status.style.display = 'block';
        auditForm.reset();
      } else {
        throw new Error(result.error || 'Failed to submit audit request');
      }
    })
    .catch(function(error) {
      status.className = 'notification is-danger';
      status.textContent = error.message || 'Failed to submit audit request. Please try again.';
      status.style.display = 'block';
    })
    .finally(function() {
      submitBtn.disabled = false;
      submitBtn.textContent = originalBtnText;
    });
  });
}