const postgres = require("postgres");
const databaseUrl = process.env.DATABASE_URL;
if (!databaseUrl) throw new Error("DATABASE_URL is required.");
const client = postgres(databaseUrl, { max: 1 });
(async () => {
  for (let attempt = 1; attempt <= 30; attempt += 1) {
    try {
      await client`select 1`;
      await client.end();
      return;
    } catch {
      if (attempt === 30) {
        await client.end();
        throw new Error("Database was not reachable after 30 attempts.");
      }
      await new Promise((resolve) => setTimeout(resolve, 1000));
    }
  }
})().catch((error) => {
  console.error("Database wait failed", error);
  process.exit(1);
});