export function timeAgo(ts: number, active?: boolean): string {
  if (active) return "now";
  const now = Date.now() / 1000;
  const diff = now - ts;
  if (diff < 60) return "just now";
  if (diff < 3600) return `${Math.floor(diff / 60)}m ago`;
  if (diff < 86400) return `${Math.floor(diff / 3600)}h ago`;
  if (diff < 604800) return `${Math.floor(diff / 86400)}d ago`;
  return new Date(ts * 1000).toLocaleDateString();
}

export function formatTokens(n: number): string {
  if (n >= 1_000_000) return `${(n / 1_000_000).toFixed(1)}M`;
  if (n >= 1_000) return `${(n / 1_000).toFixed(1)}k`;
  return String(n);
}

export function platformColor(source: string): string {
  const map: Record<string, string> = {
    cli: "#f59e0b",
    telegram: "#38bdf8",
    discord: "#8b5cf6",
    whatsapp: "#22c55e",
    web: "#a78bfa",
    webapi: "#a78bfa",
  };
  return map[source] || "#6b7280";
}

export function platformBadgeClass(source: string): string {
  const map: Record<string, string> = {
    cli: "badge-cli",
    telegram: "badge-telegram",
    discord: "badge-discord",
    whatsapp: "badge-whatsapp",
    web: "badge-web",
    webapi: "badge-web",
  };
  return map[source] || "badge-cli";
}