require "fileutils"
require "term/ansicolor"
class Out
  class << self
    include ::Term::ANSIColor

    def out(msg, color=nil)
      m = msg
      if color
        puts send(color.to_sym, m)
      else
        puts m
      end
      #write_tmp(m)
      msgs << m
    end

    def write_tmp(ctn)
      if save?
        unless ctn.match(%r{^\s*$})
          tmp_ctn = tmp
          tmp_ctn << "At #{Time.now}"
          tmp_ctn << ctn
          File.write(tmp_path, tmp_ctn.join("\n"))
        end
      else
        if test(?s, tmp_path) and test(?s, tmp_path) > 10_000
          FileUtils.rm_f(tmp_path)
        end
      end
    end

    def save?
      @save
    end

    def save_on
      File.write(tmp_path, "save_on at #{Time.now}")
      @save = true
    end

    def save_off
      File.write(tmp_path, "save_on at #{Time.now}")

      @save = false
    end

    def save
      @save ||= false
    end

    def tmp_path
      FileUtils.touch "/tmp/ro_out"
      @tmp_path ||= "/tmp/ro_out"
    end

    def tmp
      if test(?f, tmp_path)
        File.readlines(tmp_path).delete_if do |l|
          l.blank?
        end
      else
        FileUtils.touch tmp_path
        []
      end
    end

    def reset
      @msgs = []
    end

    def msgs
      @msgs.flatten! if @msgs.respond_to?(:flatten!)
      @msgs = [] if @msgs and @msgs.length > 999
      @msgs ||= []
    end

    #class Msg
    #  def initialize(msg)
    #    @msg = msg
    #  end
    #
    #  def to_s
    #    @msg
    #  end
    #end
  end
end