hidden11/lib/plays.ts

// Client helpers for the social-proof play counter (see app/api/plays/route.ts).

function countedKey(dateKey: string): string {
  return `hidden11-plays-counted-${dateKey}`;
}

export async function fetchPlaysCount(dateKey: string): Promise<number | null> {
  try {
    const response = await fetch(`/api/plays?date=${encodeURIComponent(dateKey)}`, { cache: "no-store" });
    if (!response.ok) return null;
    const data = (await response.json()) as { count?: number | null };
    return typeof data.count === "number" ? data.count : null;
  } catch {
    return null;
  }
}

// Increments at most once per browser per day.
export async function registerPlay(dateKey: string): Promise<void> {
  if (typeof window === "undefined") return;
  if (window.localStorage.getItem(countedKey(dateKey)) === "true") return;
  window.localStorage.setItem(countedKey(dateKey), "true");

  try {
    await fetch("/api/plays", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ date: dateKey }),
      keepalive: true,
    });
  } catch {
    // best-effort; the flag is already set so we don't double-count on retry
  }
}