function hashString(input: string): number {
  let hash = 0;
  for (let i = 0; i < input.length; i += 1) {
    hash = (hash * 31 + input.charCodeAt(i)) | 0;
  }
  return Math.abs(hash);
}

const GRADIENTS: string[] = [
  'bg-gradient-to-r from-blue-500/80 via-indigo-500/80 to-purple-500/80',
  'bg-gradient-to-r from-emerald-500/80 via-teal-500/80 to-cyan-500/80',
  'bg-gradient-to-r from-amber-500/80 via-orange-500/80 to-rose-500/80',
  'bg-gradient-to-r from-fuchsia-500/80 via-purple-500/80 to-sky-500/80',
  'bg-gradient-to-r from-lime-500/80 via-emerald-500/80 to-green-500/80',
  'bg-gradient-to-r from-slate-500/80 via-slate-600/80 to-slate-700/80',
];

export function getLeagueCoverClasses(leagueId: string): string {
  const index = hashString(leagueId) % GRADIENTS.length;
  const baseLayout =
    'w-full h-32 rounded-lg overflow-hidden border border-charcoal-outline/60';
  return baseLayout + ' ' + GRADIENTS[index];
}