/**
 * Client for "Vāṇī of the Day" — the home page's daily content pick.
 *
 * Public endpoint (no auth): the BFF returns the same pick to everyone for the
 * current day, chosen from a prose chapter, verse, or transcript and not
 * repeated within 90 days.
 */

const BFF_BASE = process.env.NEXT_PUBLIC_BFF_URL || "http://localhost:8080";

export type Vani = {
  kind: "verse" | "prose" | "transcript";
  label: string; // "Verse" | "Chapter" | "Lecture" | "Conversation"
  title: string;
  subtitle: string;
  href: string;
  book_title?: string;
  date?: string; // transcript date, for the "Lecture • DATE" line
};

type Envelope<T> = { success?: boolean; data?: T };

export async function getVaniOfTheDay(): Promise<Vani | null> {
  try {
    const res = await fetch(`${BFF_BASE}/api/v1/vani/today`, {
      headers: { Accept: "application/json" },
    });
    if (!res.ok) return null;
    const body = (await res.json().catch(() => ({}))) as Envelope<Vani | null>;
    return body.data ?? null;
  } catch {
    return null;
  }
}