module Mongodb

  def self.db
    config = Rails.configuration.database_configuration["mongodb_#{Rails.env}"]
    host     = config["host"]
    database = config["database"]
    username = config["username"]
    password = config["password"]
    port     = config["port"]

    if Rails.env == "development"
      @@connection ||= Mongo::Connection.new host, port, :logger => Rails.logger, :safe => true
    else
      host.each { |h| h[1] << port  }
      @@connection ||= Mongo::ReplSetConnection.new(host["primary"], host["secondary"], :logger => Rails.logger, :refresh_mode => :sync)
    end

    @@db ||= @@connection[database]

    unless username.nil? || password.nil?
      @@db.authenticate(username, password)
    end

    @@db
  end

  def self.sent_email
    @collection ||= Mongodb.db['sent_email']
  end

end