require 'rubygems'
require 'ernie'

$:.unshift "#{File.dirname(__FILE__)}/../../../lib"
require 'breakout/control_center'

Ernie.class_eval do
  include Singleton

  cattr_accessor :config

  TOOLS_WITH_TEMPLATES = ['trac']

  def logger
    self.class.logger
  end

  def config
    self.class.config
  end

  def initialize
    tools_with_templates = TOOLS_WITH_TEMPLATES.reject { |t| config[t].nil? }
    tools_with_templates.each do |t|
      logger.info "Creating '#{t}' template"
      obj = new_tool t
      obj.send(:prepare_template)
    end

    if config['check_tools']
      config['check_tools'].split.each do |tool|
        obj = new_tool tool
        obj.config = config
        obj.send(:check)
      end
    end
  end

  def new_tool(name)
    name = name.to_s
    raise ArgumentError.new("\"#{name}\" is disabled") if !config[name]

    obj = "Breakout::Control::#{name.capitalize}".constantize.new
    obj.config = config
    obj.logger = logger
    obj.init
    obj
  end

  def self.dispatch(mod, fun, args)
    xargs = BERT::Decoder.convert(args)
    self.log("-- " + [mod, fun, xargs].inspect)

    obj = self.instance.new_tool mod
    res = obj.send(fun, *args)

    BERT::Encoder.convert(res)
  end
end

# klass = Breakout::Control::ErnieHandler
klass = Ernie
klass.config = YAML::load(File.open("#{File.dirname(__FILE__)}/../../../etc/control.yml"))
klass.logger = Logger.new("/tmp/ernie.log")