#!/usr/bin/env node
"use strict";

const http = require("node:http");

const port = Number.parseInt(process.env.PORT || "3000", 10);
const path = process.env.HEALTHCHECK_PATH || "/api/templates";
const timeoutMs = Number.parseInt(process.env.HEALTHCHECK_TIMEOUT_MS || "3000", 10);

const req = http.request(
  {
    host: "127.0.0.1",
    port,
    path,
    method: "GET",
    timeout: timeoutMs
  },
  (res) => {
    // Drain the response so the socket can close cleanly.
    res.resume();

    if (res.statusCode && res.statusCode >= 200 && res.statusCode < 400) {
      process.exit(0);
      return;
    }

    process.exit(1);
  }
);

req.on("timeout", () => {
  req.destroy(new Error("healthcheck timeout"));
});

req.on("error", () => {
  process.exit(1);
});

req.end();