module Ex25
  # This function will break up words for us.
  def self.break_words(stuff)
    stuff.split(" ")
  end

  # Sorts the words.
  def self.sort_words(words)
    words.sort
  end

  # Prints the first word after shifting it off.
  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 = Ex25.break_words(sentence)
    Ex25.sort_words(words)
  end

  # Prints the first and last words of the sentence.
  def self.print_first_and_last(sentence)
    words = Ex25.break_words(sentence)
    Ex25.print_first_word(words)
    Ex25.print_last_word(words)
  end

  # Sorts the words then prints the first and last one.
  def self.print_first_and_last_sorted(sentence)
    words = Ex25.sort_sentence(sentence)
    Ex25.print_first_word(words)
    Ex25.print_last_word(words)
  end
end

puts "Let's practice everything."
puts 'You\'d need to know \'bout escapes with \\ that do \n newlines and \t tabs.'

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 "--------------"

five = 10 - 2 + 3 - 6
puts "This should be five: #{five}"

def secret_formula(started)
  jelly_beans = started * 500
  jars = jelly_beans / 1000
  crates = jars / 100
  [jelly_beans, jars, crates]
end

start_point = 10000
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."

sentence = "All good things come to those who wait."
words = Ex25.break_words(sentence)
sorted_words = Ex25.sort_words(words)
Ex25.print_first_word(words)
Ex25.print_last_word(words)
Ex25.print_first_word(sorted_words)
Ex25.print_last_word(sorted_words)
Ex25.sort_sentence(sentence)
Ex25.print_first_and_last(sentence)
Ex25.print_first_and_last_sorted(sentence)