// Generated by CoffeeScript 1.6.3
/*

Configuration
=============
> Loads the configuration file and acts as an interface to it.
*/


(function() {
  var exports, fetchProp, fs, loadConfigFile, log, path,
    _this = this;

  log = require('./logging');

  fs = require('fs');

  path = require('path');

  /*
  ##Module call
  
  Calling the module as a function will make it look for the `relPath` property in the
  args object and then try to load a config file from that relative path.
  @param {Object} args
  */


  exports = module.exports = function(args) {
    args = args != null ? args : {};
    log(args);
    if (typeof args.relPath === 'string') {
      loadConfigFile(args.relPath);
    }
    return module.exports;
  };

  /*
  Tries to load a configuration file from the path relative to this module's parent folder. 
  Reads the config file synchronously from the file system and try to parse it.
  
  @private loadConfigFile
  @param {String} relPath
  */


  loadConfigFile = function(relPath) {
    var e;
    try {
      _this.config = JSON.parse(fs.readFileSync(path.resolve(__dirname, '..', relPath)));
      if (_this.config && _this.config.http_port && _this.config.db_port && _this.config.crypto_key && _this.config.session_secret) {
        return log.print('CF', 'config file loaded successfully');
      } else {
        return log.error('CF', new Error("Missing property in config file, requires:\n- http_port\n- db_port\n- crypto_key\n- session_secret"));
      }
    } catch (_error) {
      e = _error;
      e.addInfo = 'no config ready';
      return log.error('CF', e);
    }
  };

  loadConfigFile(path.join('config', 'config.json'));

  /*
  Fetch a property from the configuration
  
  @private fetchProp( *prop* )
  @param {String} prop
  */


  fetchProp = function(prop) {
    var _ref;
    return (_ref = _this.config) != null ? _ref[prop] : void 0;
  };

  /*
  ***Returns*** true if the config file is ready, else false
  
  @public isReady()
  */


  exports.isReady = function() {
    return _this.config != null;
  };

  /*
  ***Returns*** the HTTP port
  
  @public getHttpPort()
  */


  exports.getHttpPort = function() {
    return fetchProp('http_port');
  };

  /*
  ***Returns*** the DB port*
  
  @public getDBPort()
  */


  exports.getDBPort = function() {
    return fetchProp('db_port');
  };

  /*
  ***Returns*** the crypto key
  
  @public getCryptoKey()
  */


  exports.getCryptoKey = function() {
    return fetchProp('crypto_key');
  };

  /*
  ***Returns*** the session secret
  
  @public getSessionSecret()
  */


  exports.getSessionSecret = function() {
    return fetchProp('session_secret');
  };

}).call(this);