import { API_URL } from "../config/api.ts";

/**
 * Direct URL to a dump's uploaded file. The viewer's token is passed as a query
 * param — media elements (`<audio>`, `<img>`, …) can't send an `Authorization`
 * header — so the server can authorize access to private dumps. Same approach as
 * the WebSocket connection (`?token=`).
 */
export function dumpFileUrl(
  dump: { id: string; fileSize?: number },
  token?: string | null,
): string {
  const auth = token ? `&token=${encodeURIComponent(token)}` : "";
  return `${API_URL}/api/files/${dump.id}?v=${dump.fileSize ?? 0}${auth}`;
}

/** Thumbnail URL for a dump, with the viewer's token (see {@link dumpFileUrl}). */
export function dumpThumbnailUrl(
  dump: { id: string },
  token?: string | null,
): string {
  const auth = token ? `?token=${encodeURIComponent(token)}` : "";
  return `${API_URL}/api/thumbnails/${dump.id}${auth}`;
}

export function normalizeUrl(input: string): string {
  const s = input.trim();
  if (!s || /^https?:\/\//i.test(s)) return s;
  if (s.startsWith("//")) return `https:${s}`;
  return `https://${s}`;
}

export function dumpUrl(dump: { id: string; slug?: string }): string {
  return `/dumps/${dump.slug ?? dump.id}`;
}

export function playlistUrl(playlist: { id: string; slug?: string }): string {
  return `/playlists/${playlist.slug ?? playlist.id}`;
}