#!/usr/bin/env node
/**
 * Wait until docker-compose Postgres is accepting connections.
 * Usage: node scripts/wait-postgres.mjs
 */
import { spawnSync } from "node:child_process";
import { setTimeout as delay } from "node:timers/promises";
import { repoRoot } from "./root-env.mjs";

const maxAttempts = Number(process.env.DESCRYBE_DB_WAIT_ATTEMPTS || 60);
const sleepMs = Number(process.env.DESCRYBE_DB_WAIT_MS || 1000);

for (let i = 1; i <= maxAttempts; i++) {
  const r = spawnSync(
    "docker",
    [
      "compose",
      "exec",
      "-T",
      "postgres",
      "pg_isready",
      "-U",
      "descrybe",
      "-d",
      "descrybe",
    ],
    {
      cwd: repoRoot,
      encoding: "utf8",
      shell: process.platform === "win32",
    },
  );
  if (r.status === 0) {
    console.log(`[db] postgres ready (attempt ${i})`);
    process.exit(0);
  }
  process.stdout.write(`[db] waiting for postgres… (${i}/${maxAttempts})\r`);
  await delay(sleepMs);
}

console.error("\n[db] postgres did not become ready in time");
console.error("Check: docker compose ps && docker compose logs postgres");
process.exit(1);