#!/usr/bin/env node
/**
 * Probe API /healthz and /readyz (worker heartbeat required for ready).
 * Usage: node scripts/health.mjs
 */
import { DEV_API_PORT, DEV_PUBLIC_API_URL } from "./dev-ports.mjs";
import { loadRootEnv } from "./root-env.mjs";

const env = loadRootEnv(process.env);
const base = (
  env.PUBLIC_API_URL ||
  env.HEALTH_BASE_URL ||
  DEV_PUBLIC_API_URL ||
  `http://127.0.0.1:${DEV_API_PORT}`
).replace(/\/$/, "");

async function probe(path) {
  const url = `${base}${path}`;
  const res = await fetch(url);
  const text = await res.text();
  console.log(`${path} → ${res.status}`);
  console.log(text);
  if (!res.ok) {
    try {
      const body = JSON.parse(text);
      if (typeof body?.reason === "string" && body.reason) {
        console.error(`reason: ${body.reason}`);
      }
    } catch {
      /* ignore non-JSON */
    }
    throw new Error(`${path} failed with ${res.status}`);
  }
}

try {
  await probe("/healthz");
  await probe("/readyz");
  console.log("ok");
} catch (err) {
  console.error(err instanceof Error ? err.message : err);
  console.error(
    "Tip: npm run dev (or npm run dev:backend) starts api+worker. Compose is Postgres-only; /readyz needs a live host worker heartbeat. API-only (npm run dev:api) → 503 is expected.",
  );
  process.exit(1);
}