zoltar_app.rb

require './zoltar_module'
require './zoltar_helper'
include ZoltarSpeaks

intro
greeting
shall_we
which_fortune
		answer = promptd
			if answer == sign
				sign
			else
				crystal_ball
			end
		end_game

zoltar_helper.rb

# This formats the paragraph, separating comments for clarity.
def format1
	puts	
	puts "---------------"
	puts
end

# This provides spacing between comments.
def format2(text)
	puts
	puts text
end

# This is what happens when the game ends.
def end_game
	format1
	puts "Would you like to play again? (Y/N)"
	play_again = promptd
	if play_again == "y"
		format1
		replay
	elsif play_again == "n"
		exit
	else
		format1
		puts "Zoltar does not care for your response."
		end_game
	end
end

# This loops the game so it can be played repeatedly.
def replay
	format1
	which_fortune
	answer = promptd
		if answer == sign
			sign
		else
			crystal_ball
		end
	end_game
end

# This takes input and downcases it.
def promptd
	gets.chomp.downcase
end

# This takes input and upcases it.
def promptc
	gets.chomp.capitalize
end

# This gets input for the purpose of the test.
def empty_variable(var)
	if var == nil
		promptd
	else
		var
	end
end

# Zoltar speaks mysteriously
def say_something_mysterious
	@remarks	= [
		"The spirits are strong today.",
		"You have come at an auspicious time...",
		"I've been expecting you.",
		"My metaphysical wisdom is at your disposal."
	]
	top_index = @remarks.size - 1
	@random_index = rand(0..top_index)
	@remarks[@random_index]
end

# Generates random horoscope fortune.
def horoscope_fortune
	@sign = [
		"I am sorry, my child. I see misfortune in your fortune.",
		"3 is your lucky number. Look out for it.",
    "Yikes! You will be hit by a truck on your way out of here.",
    "When the stars align it shall be your time. Don't miss it.",
    "Love is right around the corner.",
    "Some fortunes are better than others. This one's a dud."
	]
	top_index = @sign.size - 1
	random_index = rand(0..top_index)
	@sign[@random_index]
end

# Generates random crystal ball fortune.
def crystal_ball_fortune
	@crystal_ball = [
		"Heavy thoughts are weighing on you.",
		"Zombies will attack you on the fortnight.",
		"You'll win $1 million, but due to an error, it's in pennies.",
    "Help! Zoltar is holding me hostage in this ball!",
    "You'd be wise to stay away from Wall Street.",
    "Only Tom Hanks gets to be Big."
	]
	top_index = @crystal_ball.size - 1
	@random_index = rand(0..top_index)
	@crystal_ball[@random_index]
end

zoltar_module.rb

require "./zoltar_helper"

#Zoltar Speaks
#This is a text adventure REPL game.
#The game begins at the table of the all knowing Zoltar.

module ZoltarSpeaks

	# This sets the scene for the game and sets the game in motion.
	def intro
		format1
		puts <<-HERE 

		You stumble through a strange door in order to escape a 
		sudden rain storm. You encounter a strange, bejeweled man
		in a funny hat. As you try to get your bearings, he speaks...

		HERE
	end

	# Zoltar introduces himself and says something mysterious
	def greeting
		format1
		puts "Greetings, I am Zoltar. #{say_something_mysterious}"
	end

	# Zoltar asks if you wish to play.
	def shall_we
		puts "You wish to know your future, dont't you, my child."
		format2 "Is this true? (Y/N)"
		play = empty_variable(play)
		if play == "n"
			format1
			puts "You do not seek the mighty wisdom of Zoltar?"
			puts "You are wasting my time. Get out of here!"
			format2
			end_game
		elsif play == "y"
			format1
			puts "Zoltar will tell you what you need to know."
		else 
			format1
			puts "Zoltar does not care for your response." 
			shall_we
		end
	end

	# User chooses fortune type.
	def which_fortune
		format2 "Shall I read your Horoscope or would you rather"
		puts "I peer into my Crystal Ball?"
		format2 "Options: Horoscope, Crystal Ball"
		answer = empty_variable(answer)
		if answer == "horoscope"
			format1
			puts "Of course,my child."
			sign
		elsif answer == "crystal ball"
			format1
			puts "As you wish my child."
			crystal_ball
		else 
			format1
			puts "Zoltar does not care for your response."
			which_fortune
		end
	end

	# This gets users astrological sign and gives Horoscope.
	def sign
		format2 "What is your astrological sign?"
		astro_sign = promptc
		if ["Aquarius","Aries","Cancer","Capricorn","Gemini",
		"Leo","Libra","Pisces","Sagittarius","Scorpio","Taurus","Virgo"].include?(astro_sign)
			format2 "#{horoscope_fortune}"
			end_game
		else
			puts "Zoltar does not care for your response."
			sign
		end
	end

	# This gives Crystal Ball fortune.
	def crystal_ball
		puts "As I gaze into the infinite...what's this I see...?"
		format2 "#{crystal_ball_fortune}"
		end_game
	end
end

zoltar_test.rb

require "./zoltar_module"
include ZoltarSpeaks

# This tests a successful user case.
def pass_test
	play = "y"
	answer = "crystal ball"
end

# This tests that users will be reprompted
#when errors are made.
def fail_test	
	play = "t"
	answer = "horscope"
end