#!/usr/bin/env node
import { readFileSync } from "node:fs";
import { effectivePiWebConfig, maxUploadBytes } from "../config.js";
import { buildApp } from "./app.js";

const { config } = effectivePiWebConfig();
const app = await buildApp({
  bodyLimit: maxUploadBytes(process.env, config),
  ...tlsOptions(process.env),
});
await app.listen({ port: config.port ?? 8504, host: config.host ?? "127.0.0.1" });

function tlsOptions(env: NodeJS.ProcessEnv): { https?: { key: Buffer; cert: Buffer } } {
  const keyPath = env["PI_WEB_TLS_KEY"];
  const certPath = env["PI_WEB_TLS_CERT"];
  if ((keyPath === undefined || keyPath === "") && (certPath === undefined || certPath === "")) return {};
  if (keyPath === undefined || keyPath === "" || certPath === undefined || certPath === "") {
    throw new Error("Set both PI_WEB_TLS_KEY and PI_WEB_TLS_CERT to enable HTTPS.");
  }
  return { https: { key: readFileSync(keyPath), cert: readFileSync(certPath) } };
}