/** A project's released copy as the release dialog shows it (#266). */
export interface ReleaseSummary {
  /** What the link carries: 32 hex digits, the same for as long as the project stays released. */
  token: string;
  /** The project revision the copy was taken from. */
  revision: number;
  /** ISO time, UTC. */
  publishedAt: string;
}

/** What the play page loads: the copy alone, under the token rather than the project's own id. */
export interface ReleasedGame {
  name: string;
  publishedAt: string;
  project: unknown;
}

/**
 * The released copy of a project. Publishing copies the project as the server stored it, so what a
 * tab has not saved yet is not part of it; publishing again replaces the copy and keeps the link.
 */
export interface ReleaseStore {
  /** null while the project is not released. */
  of(projectId: string): Promise<ReleaseSummary | null>;
  publish(projectId: string): Promise<ReleaseSummary>;
  takeDown(projectId: string): Promise<void>;
}

/** The page a released game is played on, next to the editor's own. */
export const PLAY_PAGE = '/game-maker/play.html';

export function releaseUrl(origin: string, token: string): string {
  return `${origin}${PLAY_PAGE}?game=${token}`;
}

/** The token a play page was opened with, or null when the address carries none that could be one. */
export function releaseToken(search: string): string | null {
  const token = new URLSearchParams(search).get('game') ?? '';
  return /^[a-f0-9]{32}$/.test(token) ? token : null;
}