/**
 * What the forge told this process, read once and named once. Every other
 * module takes these from here, so nothing else spells an environment
 * variable — and running the app by hand needs none of them.
 */

import pkg from "../package.json";

export const title: string = pkg.name;
/** The app's own version (package.json): what `/healthz` and `/openapi.json` say. */
export const version: string = pkg.version ?? "0.0.0";
/** When this process started, for `/healthz`'s uptime. */
export const startedAt: number = Date.now();
export const description: string = pkg.description || "A new app on the forge.";
export const dataDir: string = process.env.FORGE_APP_DATA ?? "./data";
export const env: string = process.env.FORGE_APP_ENV ?? "local";
export const commit: string = (process.env.FORGE_APP_COMMIT ?? "").slice(0, 7);
/** Where this process runs, for a person: `production`, `preview of pull #3`, `local`. */
export const where: string =
  env === "preview"
    ? `preview of pull #${process.env.FORGE_APP_PULL ?? "?"}`
    : env;
/** The exact command that opens this environment's terminal. Print it verbatim, never a guess. */
export const ssh: string | undefined = process.env.FORGE_APP_SSH;
/** The address the forge serves us at — what a browser sees, never the socket's. */
export const publicOrigin: string = new URL(
  process.env.FORGE_APP_URL ?? "http://localhost",
).origin;
/** The forge that runs us. Its own well-known files (security.txt) speak for its apps. */
export const forgeUrl: string | undefined = process.env.FORGE_URL;
/** The key the forge signs identities with (`who.ts`). Unset, everyone is anonymous. */
export const identityKey: string = process.env.FORGE_APP_IDENTITY_KEY ?? "";