import { Pool } from "pg"

const dbUrl = process.env.DATABASE_URL
if (!dbUrl) {
  throw new Error("DATABASE_URL environment variable is required")
}
const pool = new Pool({
  connectionString: dbUrl,
  max: 20,
  idleTimeoutMillis: 30000,
  connectionTimeoutMillis: 5000,
  ssl: dbUrl.includes("localhost") || dbUrl.includes("127.0.0.1") ? false : { rejectUnauthorized: false },
})

pool.on("error", (err) => {
  console.error("Unexpected database pool error:", err)
})

export async function query(text: string, params?: unknown[]) {
  const client = await pool.connect()
  try {
    const result = await client.query(text, params)
    return result
  } finally {
    client.release()
  }
}

export default pool