import { Sequelize } from "sequelize";

const dbUrl = process.env.DATABASE_URL;
const dbHost = process.env.DB_HOST;
const dbPort = Number(process.env.DB_PORT ?? 5432);
const dbName = process.env.DB_NAME;
const dbUser = process.env.DB_USER;
const dbPassword = process.env.DB_PASSWORD;

let sequelize: Sequelize | null = null;

if (dbUrl) {
  sequelize = new Sequelize(dbUrl, {
    dialect: "postgres",
    logging: process.env.DB_LOGGING === "true" ? console.log : false,
  });
} else if (dbHost && dbName && dbUser) {
  sequelize = new Sequelize(dbName, dbUser, dbPassword, {
    host: dbHost,
    port: dbPort,
    dialect: "postgres",
    logging: process.env.DB_LOGGING === "true" ? console.log : false,
  });
}

export { sequelize };