class Middleman::Cli::Base

def help(meth = nil, subcommand = false)
  if meth && !self.respond_to?(meth)
    klass, task = Thor::Util.find_class_and_task_by_namespace("#{meth}:#{meth}")
    klass.start(["-h", task].compact, :shell => self.shell)
  else
    list = []
    Thor::Util.thor_classes_in(Middleman::Cli).each do |klass|
      list += klass.printable_tasks(false)
    end
    list.sort!{ |a,b| a[0] <=> b[0] }
    shell.say "Tasks:"
    shell.print_table(list, :ident => 2, :truncate => true)
    shell.say
  end
end

def method_missing(meth, *args)
  meth = meth.to_s
  if self.class.map.has_key?(meth)
    meth = self.class.map[meth]
  end
  klass, task = Thor::Util.find_class_and_task_by_namespace("#{meth}:#{meth}")
  if klass.nil?
    tasks_dir = File.join(Dir.pwd, "tasks")
    if File.exists?(tasks_dir)
      Dir[File.join(tasks_dir, "**/*_task.rb")].each { |f| require f }
      klass, task = Thor::Util.find_class_and_task_by_namespace("#{meth}:#{meth}")
    end
  end
  if klass.nil?
    raise Thor::Error.new "There's no '#{meth}' command for Middleman. Try 'middleman help' for a list of commands."
  else
    args.unshift(task) if task
    klass.start(args, :shell => self.shell)
  end
end

def start(*args)
  # Change flag to a module
  ARGV.unshift("help") if ARGV.delete("--help")
  # Default command is server
  if ARGV[0] != "help" && (ARGV.length < 1 || ARGV.first.include?("-"))
    ARGV.unshift("server")
  end
  super
end

def version
  require 'middleman-core/version'
  say "Middleman #{Middleman::VERSION}"
end