const config = require('config');

const baseOptions = {
  server: { socketOptions: { keepAlive: 300000, connectionTimeoutMS: 30000, maxTimeMS: 30000 } },
  replset: { socketOptions: { keepAlive: 300000, connectionTimeoutMS: 30000, maxTimeMS: 30000 } },
};

const mongooseOptions = () => {
  if (!config.has('dbSslCert')) return baseOptions;

  return Object.assign({
    mongos: {
      ssl: true,
      sslValidate: true,
      sslCA: [new Buffer(config.get('dbSslCert'))],
    },
  }, baseOptions);
};


const connection = mongoose.createConnection(config.db, mongooseOptions());

connection.on('disconnected', () => {
  // This gets consoled right before our app becomes unresponsive
  console.error('DATABASE: DISCONNECTED');
});