gistfile1.txt

module Menu

  def menu
   " Welcome to the TodoList Program!
      This menu will help you use the Task List System
      1) Add
      2) Show 
      3) Write to a File
      4) Read recorded files tasks
      5) Delete a task
      Q) Quit "
  end

  def show
    menu
  end
end

module Promptable
  def prompt(message = 'What would you like to do?', symbol = ':> ')
      print message
      print symbol
      gets.chomp
    end
end

class List
attr_reader :all_tasks

  def initialize
    @all_tasks = []
  end

  def add(task)
    @all_tasks << task
  end

  def show
    @all_tasks
  end
  
  def write_to_file(filename)
  IO.write(filename, @all_tasks.map(&:to_s).join("\n"))
  end

  def read_from_a_file(filename)
    File.open(filename, "r") do |f|
    f.each do |line|
    puts line
    end
    end
  end

  def delete (filename)
    @all_tasks.delete(filename)
  end


end


class Task

  attr_reader :description

  def initialize(description) 
    @description = description
  end

  def to_s
    description.to_s
  end

end

 if __FILE__ == $PROGRAM_NAME
    include Menu
    include Promptable
        my_list = List.new
        puts "please choose from the following list:"

    until "q" == (user_input = prompt(show))
       case user_input
           when "1" then
           my_list.add(Task.new(prompt('What do you want to do buddy ?')))
           puts my_list.show
           when "2" then
           puts my_list.show
         when "3" then
          my_list.write_to_file(prompt("What name do you want to give ?"))
         when "4" then
          my_list.read_from_a_file(prompt("What file do you want to read ?"))
        when "5" then
          puts my_list.show
          my_list.delete(prompt("What task would you like to delete ?"))
         end
      prompt('Press enter to continue', '')
    end
  end