#!/bin/ruby

module Ex25

	# This function will break up words for us.

	def self.break_words(stuff)
		words = stuff.split(" ")
		words
	end

	# Sorts the words.

	def self.sort_words(words)
		words = words.sort()
		words
	end

	# Prints the first word after shifting one back.

	def self.print_first_word(words)
		word = words.shift()
		puts word
	end

	# Prints the last word after popping it off.

	def self.print_last_word(words)
		word = words.pop()
		puts word
	end

	# Takes in a full sentence and returns the sorted words.

	def self.sort_sentence(sentence)
		words = break_words(sentence)
		words = sort_words(words)
		words
	end

	# Prints the first and last words of the sentence.

	def self.print_first_last(sentence)
		words = break_words(sentence)
		print_first_word(words)
		print_last_word(words)
	end

	# Sorts the words then prints the first and last one.
	
	def self.print_first_last_sorted(sentence)
		words = sort_sentence(sentence)
		print_first_word(words)
		print_last_word(words)
	end
		
	# Break it, pop a couple off the end and add fucker to the end, than return new sentence.

	def self.add_fucker(sentence)
		words = break_words(sentence)
		word = 2.times do words.pop() end
	       	sentence = words.join(" ")
		sentence = sentence + " fuckers."
		puts sentence
		sentence
	end

	# Shift 4 off the beginning, add death and put back together. Return new sentence.
	
	def self.add_death(sentence)
		words = break_words(sentence)
		word = 4.times do words.shift() end
		sentence = words.join(" ")
		death = "Death will "
		sentence = death + sentence
		puts sentence
		sentence
	end

	# Combines the two end changes above and prints out.
	def self.change_sentence(sentence)
		sentence = add_fucker(sentence)
		sentence
		puts "\n"
		puts "Than the other half:"
		sentence = add_death(sentence)
		puts "\n"
		sentence
	end	
end

puts "\n"
puts "Let's practice everyfuckingthing."
puts "\n"
poem = <<END
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
END

puts "--------------"
puts poem
puts "--------------"
puts "\n"

five = 10 - 2 + 3 - 6
puts "This should say #{five}."
puts "\n"
def secret_formula(started)
	jelly_beans = started
	jars = jelly_beans / 10
	crates = jars / 10
	return jelly_beans, jars, crates
end

start_point = 10000

puts "start point is: #{start_point}"
(beans, jars, crates) = secret_formula(start_point)

puts "With a starting point of: #{start_point}"
puts "we'd have #{beans} beans, #{jars} jars and #{crates} crates."
puts "\n"

start_point = start_point / 10

puts "start point is: #{start_point}"
puts "\n"

puts "Now fer' the other way:"
puts "With a starting point of: #{start_point}"
puts "we'd have %s beans, %s jars and %s crates." % secret_formula(start_point)
puts "\n"

sentence = "fuck all good things come to those who wait."
puts sentence
puts "\n"

words = Ex25.break_words(sentence)
sorted_words = Ex25.sort_words(words)

puts "print first than last:"
Ex25.print_first_word(words)
Ex25.print_last_word(words)

puts "\n"
puts "Print first and last sorted:"
Ex25.print_first_word(sorted_words)
Ex25.print_last_word(sorted_words)

sorted_words = Ex25.sort_sentence(sentence)

puts "\n"
puts "Print first and last:"
Ex25.print_first_last(sentence)

puts "\n"
puts "Print first and last sorted:"
Ex25.print_first_last_sorted(sentence)

puts "\n"
puts "pop two off the end and add fuckers:"
Ex25.add_fucker(sentence)

puts "\n"
puts "shift four off the beginning and add death:"
Ex25.add_death(sentence)

puts "\n"
puts "Print the sentence with both changes:"
puts "First we add fuckers:"
Ex25.change_sentence(sentence)