import _ from 'lodash';
import nconf from 'nconf';



// Config follow the following priority check order:
// 1. Arguments
// 2. package.json
// 3. Enviroment variables
// 4. config/config.json
// 5. default settings


//Load arguments as highest priority
nconf.argv();



//Load package.json for name and such
var pckg = require('./package.json');
pckg = _.pick(pckg, ['name','version','description','author','license','homepage']);



//If we have global.it, there's a huge chance
//we're in test mode so we force node_env to be test.
if (typeof global.it === 'function') {
  pckg.NODE_ENV = 'test';
}



//Load overrides as second priority
nconf.overrides(pckg);



//Load enviroment variables as third priority
nconf.env();



//Load any overrides from the appropriate config file
if (nconf.get('NODE_ENV') === 'test') {
  //Load the config test file if we're in test mode
  nconf.file('../config/config.test.json');
}
else {
  //Otherwise load from config.json if it exists.
  nconf.file('../config/config.json');
}



//Default variables for required database and other settings.
nconf.defaults({
  NODE_ENV: 'development',
  server: {
    port: 3000,
    host: '0.0.0.0',
    url: 'http://localhost:3000'
  },
  frontend: {
    url: 'http://localhost:3000'
  },
  bunyan: {
    name: pckg.name,
    streams: [{
        stream: 'process.stdout',
        level: 'debug'
      }
    ]
  },
  jwt: {
    secret: 'this-is-my-secret',
    options: {
      expiresIn: 60 * 24 * 7 * 60 //7 days
    }
  },
  bcrypt: 5
});

module.exports = nconf;