module Guard
  module Interactor
    extend self

    @@locked = false

    def listen
      return if ENV["GUARD_ENV"] == 'test'
      Thread.new do
        loop do
          if (entry = $stdin.gets) && !@@locked
            entry.gsub! /\n/, ''
            case entry
            when 'quit', 'exit', 'q', 'e'
              UI.info "Bye bye...", :reset => true
              ::Guard.listener.stop
              ::Guard.guards.each { |guard| ::Guard.supervised_task(guard, :stop) }
              abort
            when 'reload', 'r', 'z'
                ::Guard.run do
                  ::Guard.guards.each { |guard| ::Guard.supervised_task(guard, :reload) }
                end
            else # run_all
              ::Guard.run do
                ::Guard.guards.each { |guard| ::Guard.supervised_task(guard, :run_all) }
              end
            end
          end
        end
      end
    end

    def lock
      @@locked = true
    end
    def unlock
      @@locked = false
    end

    # def run_all
    #   ::Guard.run do
    #     ::Guard.guards.each { |guard| ::Guard.supervised_task(guard, :run_all) }
    #   end
    # end
    #
    # def stop
    #   UI.info "Bye bye...", :reset => true
    #   ::Guard.listener.stop
    #   ::Guard.guards.each { |guard| ::Guard.supervised_task(guard, :stop) }
    #   abort
    # end
    #
    # def reload
    #   ::Guard.run do
    #     ::Guard.guards.each { |guard| ::Guard.supervised_task(guard, :reload) }
    #   end
    # end
    #
    # def self.init_signal_traps
    #   # Run all (Ctrl-\)
    #   if Signal.list.has_key?('QUIT')
    #     Signal.trap('QUIT') do
    #       run_all
    #     end
    #   else
    #     UI.info "Your system doesn't support QUIT signal, so Ctrl-\\ (Run all) won't work"
    #   end
    #
    #   # Stop (Ctrl-C)
    #   if Signal.list.has_key?('INT')
    #     Signal.trap('INT') do
    #       stop
    #     end
    #   else
    #     UI.info "Your system doesn't support INT signal, so Ctrl-C (Stop) won't work"
    #   end
    #
    #   # Reload (Ctrl-Z)
    #   if Signal.list.has_key?('TSTP')
    #     Signal.trap('TSTP') do
    #       reload
    #     end
    #   else
    #     UI.info "Your system doesn't support TSTP signal, so Ctrl-Z (Reload) won't work"
    #   end
    #
    # end
  end
end