terminal_app_router_example.rb

require 'pry'
require_relative 'stuff'
# this is a nice example of how to structure a terminal app functionally, using the while running loop in the menu class, and then passing an instance of a class into the route_action method so we have access to those methods
    def menu
        running = true
        while running
            display_menu
            action = gets.chomp.to_i
            # we create a new stuff instance which allows us to access the methods with the stuff class
            stuff = Stuff.new
            route_action(action, stuff)
        end 
    end 

    def route_action(action, stuff)
        case action
            when 1 then stuff.message
            when 2 then stuff.push
            when 3 then stuff.create
            when 4 then exit
        end 
    end 

    def display_menu
        puts "1. do this"
        puts "2. do that"
        puts "3. create stuff"
        puts "4. stop" 
    end

# get things working 
menu