config.js

require('dotenv').config();
exports.config = (function() {
  var appDefaults = {
    concurrentCalls: 3,
    before: 0,
    after: 0,
    limit: 250,
    homeRadius: 50,
    cityRadius: 20,
    distanceUnit: 'miles',
    tripMinimum: 2,
  };

  var configs = {
    remote: {
      port: process.env.PORT || 3000,
      session: {
        secret: process.env.SESSION_SECRET,
        age: 60000,
        impl: 'memory',
      },
      zip: {
        api: process.env.ZIP_API_ID,
      },
      foursquare: {
        secrets: {
          redirectUrl: process.env.FSQ_REDIRECT,
          clientId: process.env.FSQ_CLIENT_ID,
          clientSecret: process.env.FSQ_CLIENT_SECRET,
        },
        startYear: 2009,
      },
      defaults: appDefaults,
    },
    local: {
      port: 3000,
      session: {
        secret: process.env.SESSION_SECRET,
        age: 3000,
        impl: 'memory',
      },
      yahoo: {
        appId: 'YOUR APP ID',
      },
      foursquare: {
        secrets: {
          redirectUrl: process.env.FSQ_REDIRECT,
          clientId: process.env.FSQ_CLIENT_ID,
          clientSecret: process.env.FSQ_CLIENT_SECRET,
        },
        startYear: 2009,
      },
      defaults: appDefaults,
    },
    defaultConfig: 'remote',
  };

  function getConfig(n) {
    if (!configs[n]) {
      return configs[configs.defaultConfig];
    }
    return configs[n];
  }

  return {
    configs: configs,
    getConfig: getConfig,
  };
})();