// Common utilities and functions

function showToast(message, type = 'success') {
  const toast = document.getElementById('toast');
  if (!toast) return;

  toast.textContent = message;
  toast.className = 'toast visible ' + type;

  setTimeout(() => {
    toast.classList.remove('visible');
  }, 3000);
}

function formatTime(timestamp) {
  const date = new Date(timestamp * 1000);
  return date.toLocaleTimeString('en-US', {
    hour: '2-digit',
    minute: '2-digit'
  });
}

function formatDateTime(timestamp) {
  const date = new Date(timestamp * 1000);
  return date.toLocaleString('en-US', {
    month: 'short',
    day: 'numeric',
    hour: '2-digit',
    minute: '2-digit'
  });
}

function formatCurrency(amount) {
  return '$' + (amount || 0).toFixed(2);
}

// Tab switching functionality
document.addEventListener('DOMContentLoaded', function() {
  const tabButtons = document.querySelectorAll('.tab-btn');
  const tabContents = document.querySelectorAll('.tab-content');

  tabButtons.forEach(button => {
    button.addEventListener('click', function() {
      const targetTab = this.dataset.tab;

      // Remove active class from all buttons and contents
      tabButtons.forEach(btn => btn.classList.remove('active'));
      tabContents.forEach(content => content.classList.remove('active'));

      // Add active class to clicked button and corresponding content
      this.classList.add('active');
      const targetContent = document.getElementById(targetTab + '-tab');
      if (targetContent) {
        targetContent.classList.add('active');
      }
    });
  });
});