#for the case of testing, just run this file adding in the end a call to rules with the parameters you want
if defined?(respond)
  @testing = false
else
  @testing = true
  @questions = Hash.new()

  def respond(message, dest)
    puts message
  end

  #context: previous message
  #to: user that should answer
  def ask(question, context, to, dest)
    puts "Bot: #{question}"
    @questions[to] = context
  end
end

# from: Full name of the person sending the message
# command: command to run
# processed: in case the command has been already processed on Bot class, by default false
# help: ===================================
# help:
# help: *These are specific commands for this bot on this Channel.*
# help:     They will be accessible only when the bot is listening to you just writing the command
# help:     or the bot is not listening to you but requested on demand, or in a private conversation with the Smart Bot.
# help:     To run a command on demand:
# help:       `!THE_COMMAND`
# help:       `@NAME_OF_BOT THE_COMMAND`
# help:       `NAME_OF_BOT THE_COMMAND`
# help:
def rules(user, command, processed, dest)
  from = user.name
  if @testing
    puts "#{from}: #{command}"
    if @questions.keys.include?(from)
      context = @questions[from]
      @questions[from] = command
      command = context
    end
  end
  firstname = from.split(" ").first
  case command

  # help: ----------------------------------------------
  # help: `echo SOMETHING`
  # help:     repeats SOMETHING
  # help:
  when /^echo\s(.+)/i
    respond $1, dest

    # help: ----------------------------------------------
    # help: `go to sleep`
    # help:   it will sleep the bot for 5 seconds
    # help:
  when /^go\sto\ssleep/i
    unless @questions.keys.include?(from)
      ask("do you want me to take a siesta?", command, from, dest)
    else
      case @questions[from]
      when /yes/i, /yep/i, /sure/i
        @questions.delete(from)
        respond "zZzzzzzZZZZZZzzzzzzz!", dest
        respond "I'll be sleeping for 5 secs... just for you", dest
        sleep 5
      when /no/i, /nope/i, /cancel/i
        @questions.delete(from)
        respond "Thanks, I'm happy to be awake", dest
      else
        respond "I don't understand", dest
        ask("are you sure do you want me to sleep? (yes or no)", "go to sleep", from, dest)
      end
    end
  else
    unless processed
      resp = %w{ what huh sorry }.sample
      respond "#{firstname}: #{resp}?", dest
    end
  end
end

#for the case of testing just running this file, write the dialogue in here:
if @testing
  require "nice_hash"
  user = { name: "Peter Johson", id: "Uxxxxxx" }

  rules user, "go to sleep, you look tired", false, nil
  rules user, "yes", false, nil
end