import mysql from "mysql2/promise";

declare global {
  // eslint-disable-next-line no-var
  var mysqlPool: mysql.Pool | undefined;
}

const pool =
  global.mysqlPool ||
  mysql.createPool({
    host: process.env.DB_HOST || "103.155.224.244",
    port: Number(process.env.DB_PORT) || 3306,
    user: process.env.DB_USER || "root",
    password: process.env.DB_PASSWORD || "hqn9OY2pJx1oYRYJoVrC0Q64sZj8k3W3ZpoVcsKAmv1DFqO9u0DIMGCkjjXEjLaB",
    database: process.env.DB_NAME || "aghatis_studio_db",
    waitForConnections: true,
    connectionLimit: 10,
    queueLimit: 0,
    connectTimeout: 10000,
  });

if (process.env.NODE_ENV !== "production") {
  global.mysqlPool = pool;
}

export default pool;

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