/**
 * @file
 * Configures the database connection
 */

const { Pool, Client } = require('pg');
const logger = require('./logger');
//const connectionString = 'postgresql://wrenchboard:wrenchboard@10.10.10.23:5432/wrenchboard';
const connectionString = process.env.POSTGRE_URL;
const postgres = new Pool({
  connectionString,
});

postgres.on('connect', client => {
  logger.info('Connected to Database');
});

postgres.on('acquire', client => {
  logger.info('Client is checked out from the DB connection pool');
});

postgres.on('remove', client => {
  logger.info('Client is closed & removed from the DB connection pool');
});

postgres.on('error', (err, client) => {
  logger.error(err);
});

// Connect to PostgreSQL
postgres.connect((err, client, release) => {
  logger.info(connectionString);
  if (err) {
    logger.error('Error acquiring client', err.stack);
    return null;
  }
  client.query('SELECT NOW()', (err, result) => {
    release();
    if (err) {
      logger.error('Error executing query', err.stack);
      return nul;
    }
    logger.info(result.rows);
  });
});

module.exports = postgres;