require 'yaml'
 
class Configuration
  def initialize(ymlfile = "conf.yml")
    @document = YAML::parse(File.new(ymlfile))
  end
  def number_nodes
    @document.select("servers/*").size
  end
  def nick(index)
    @document.select("/servers/*/nick")[index].value
  end
  def ident(index)
    @document.select("/servers/*/ident")[index].value
  end
  def real(index)
    @document.select("/servers/*/real")[index].value
  end
  def ssl(index)
    @document.select("/servers/*/ssl")[index].value.to_i
  end
  def server(index)
    @document.select("/servers/*/server")[index].value
  end
  def port(index)
    @document.select("/servers/*/port")[index].value.to_i
  end
  def listener(index)
    @document.select("/servers/*/listener")[index].value
  end
  def version(index)
    @document.select("/servers/*/version")[index].value
  end
  def channels(index)
    channels = Array.new
    @document.select("/servers/*/channels")[index].value.each do |chan|
      channels << chan.value
    end
    channels
  end
	def database_type
		@document.select("/database/type")[0].value.to_sym
	end
	def username_password_database
		username = @document.select("/database/username")[0].value
		password = @document.select("/database/password")[0].value
		database = @document.select("/database/database")[0].value
		return username, password, database
	end
  def admins(index)
    admins = Array.new
    @document.select("/servers/*/admins")[index].value.each do |admin|
      admins << admin.value
    end
    admins
  end
end