// FreightDesk — Client-side JavaScript

// Theme toggle
function toggleTheme() {
  const html = document.documentElement;
  const current = html.getAttribute('data-theme');
  const next = current === 'dark' ? 'light' : 'dark';
  html.setAttribute('data-theme', next);
  localStorage.setItem('fd-theme', next);
}

// Restore theme
(function() {
  const saved = localStorage.getItem('fd-theme');
  if (saved) document.documentElement.setAttribute('data-theme', saved);
})();

// Auto-hide alerts after 5 seconds
document.addEventListener('DOMContentLoaded', function() {
  const alerts = document.querySelectorAll('.alert');
  alerts.forEach(function(alert) {
    setTimeout(function() {
      alert.style.opacity = '0';
      alert.style.transition = 'opacity 0.5s';
      setTimeout(function() { alert.remove(); }, 500);
    }, 5000);
  });
});

// Confirm delete actions
document.querySelectorAll('form[onsubmit]').forEach(function(form) {
  form.addEventListener('submit', function(e) {
    const msg = form.getAttribute('onsubmit');
    if (msg && msg.includes('confirm')) {
      const question = msg.match(/confirm\('(.+?)'\)/);
      if (question && !confirm(question[1])) {
        e.preventDefault();
      }
    }
  });
});

// WhatsApp parser (inline function for form page)
// parseWhatsApp() and applyParsed() are defined inline in the form view

// Format number as INR
function formatINR(num) {
  if (num === null || num === undefined || isNaN(num)) return '—';
  return '₹' + parseFloat(num).toLocaleString('en-IN');
}

// Debounce helper
function debounce(fn, ms) {
  let timer;
  return function(...args) {
    clearTimeout(timer);
    timer = setTimeout(() => fn.apply(this, args), ms);
  };
}