import { Pool } from "pg";
import { config } from "../config.js";

export const pool = new Pool({ connectionString: config.dbUrl });

pool.on("error", (err) => {
  console.error("[db] unexpected pool error", err);
});

export async function query<T extends object = Record<string, unknown>>(
  sql: string,
  params?: unknown[]
): Promise<T[]> {
  const { rows } = await pool.query<T>(sql, params);
  return rows;
}

export async function queryOne<T extends object = Record<string, unknown>>(
  sql: string,
  params?: unknown[]
): Promise<T | null> {
  const rows = await query<T>(sql, params);
  return rows[0] ?? null;
}