module Eco
  module Common
    class MetaThor
      class CommandGroup

        attr_reader :units

        def initialize(args)
          args  = (args && [args].flatten) || []
          #pp "CommandGroup split args: #{Pipe.split(args)}"
          @units = Pipe.split(args).each_with_index.map do |arguments, i|
            CommandUnit.new(args: arguments, group: self, index: i)
          end
          @units = units
        end

        def print
          @units.map do |command|
            pp command.args
          end
        end

        def [](value)
          @units[value]
        end

        def map
          @units.map do |unit|
            yield(unit)
          end
        end

      end
    end
  end
end