/**
 * Generate a consistent color for a user based on their name
 */
export function getUserColor(name: string): string {
  const colors = [
    'bg-red-500',
    'bg-orange-500',
    'bg-amber-500',
    'bg-yellow-500',
    'bg-lime-500',
    'bg-green-500',
    'bg-emerald-500',
    'bg-teal-500',
    'bg-cyan-500',
    'bg-sky-500',
    'bg-blue-500',
    'bg-indigo-500',
    'bg-violet-500',
    'bg-purple-500',
    'bg-fuchsia-500',
    'bg-pink-500',
    'bg-rose-500',
  ];

  // Simple hash function to get consistent color for same name
  let hash = 0;
  for (let i = 0; i < name.length; i++) {
    hash = name.charCodeAt(i) + ((hash << 5) - hash);
  }
  
  const index = Math.abs(hash) % colors.length;
  return colors[index];
}

/**
 * Generate initials from a full name
 */
export function getInitials(name: string): string {
  const parts = name.trim().split(' ');
  if (parts.length >= 2) {
    return (parts[0][0] + parts[parts.length - 1][0]).toUpperCase();
  }
  return name.slice(0, 2).toUpperCase();
}