import postgres from "postgres";

const username = process.env.POSTGRES_USER;
const password = process.env.POSTGRES_PASSWORD;
const database = process.env.POSTGRES_DB;
const host = process.env.POSTGRES_HOST;
const port = process.env.POSTGRES_PORT;

if (!username) {
  throw new Error("POSTGRES_USER is not set");
}

if (!password) {
  throw new Error("POSTGRES_PASSWORD is not set");
}

if (!database) {
  throw new Error("POSTGRES_DB is not set");
}

if (!host) {
  throw new Error("POSTGRES_HOST is not set");
}

if (!port) {
  throw new Error("POSTGRES_PORT is not set");
}

if (isNaN(parseInt(port))) {
  throw new Error("POSTGRES_PORT is not a number");
}

export const sql = postgres({
  username,
  password,
  database,
  host,
  port: parseInt(port),
});