May Crash Course

may_crash_course.rb

## Hangman

=begin

Anything that goes in here is just normal text.

Data in Hangman
========
* word list/dictionary (array of strings)
* answer (string)
* letters guessed (array of strings)
* count incorrect guesses (integer / number)

Behavior in Hangman
========
* greet the player
* pick a random word
* until the game is over ...
  * show the player the unfinished word
  * let them guess a new letter
* tell them how the game ended

=end

word_list = [
  "blank", "dinosaur", "color", "soft",
  "tired", "caffeine", "barrel", "italian",
  "pizza", "skirmish", "airplane", "junction",
  "antidisestablishmentarianism", "bourbon"
]

def greeting
  puts "Welcome to Hangman."
  puts "I'm too lazy to explain the rules. Just guess some letters."
end

# def add(x, y)
#   x + y
# end

# puts add(4, 7)

# age = 29
# height = 67
# puts add(age, height)

def lose?(turns)
  turns == 0
end

def win?(answer, guesses)
  winner = true
  answer.chars.each do |l|
    if !guesses.include?(l)
      winner = false
    end
  end
  winner
end

def game_over?(answer, guesses, turns)
  win?(answer, guesses) || lose?(turns)
end

def intermediate_word(answer, guesses)
  letters = answer.chars
  letters.map! do |l|
    if guesses.include?(l)
      l
    else
      "-"
    end
  end
  letters.join
end

def show_game(answer, guesses, turns)
  puts
  puts "You have #{turns} left."
  puts "You've already guessed: #{guesses.join(", ")}"
  puts "The word is: #{intermediate_word(answer, guesses)}"
  puts
end

def get_guess
  puts "Please guess a letter and press enter."
  guess = gets.chomp
end

puts "intermediate word('cookies', 'c,o,i,z') should be 'coo-i---'"
answer = "cookies"
guesses = ["c", "o", "i", "z"]
intermediate = intermediate_word(answer, guesses)
result = if intermediate == "coo-i---"
           "passed"
         else
           "failed"
         end
puts "test #{result}"


def hangman(word_list)
  greeting
  guesses = []
  turns_left = 8
  answer = word_list.sample
  until game_over?(answer, guesses, turns_left)
    show_game(answer, guesses, turns_left)
    guess = get_guess
    guesses.push(guess)
    unless answer.include?(guess)
      turns_left -= 1
    end
  end
  postmortem
end

hangman(word_list)