#hangman game
#01/21/2022

def pick_word(a)
  rand_int = rand(0..a.size)
  return a[rand_int].chop!
end

def generate_hidden_letters(word)
  hidden_letters = Array.new
  word.length.times do |i|
    if rand(0..1) == 0 #do this 50% of the time
      hidden_letters.push(word[i]) #create an array of letters to be hidden
    end
  end
  return hidden_letters
end

def scramble_word(word, hidden_letters, scrambled_word)
  hidden_letters.each do |letter| #for each hidden letter
    word.length.times do |i|
      if word[i] == letter        #if you find one, replace it with a "_" in the string
        scrambled_word[i] = "_"
      end
    end
  end
  return scrambled_word
end

def unscramble_word(word, guesses, scrambled_word)
  guesses.each do |letter| #for each hidden letter
    word.length.times do |i|
      if word[i] == letter        #if you find one, replace it with a "_" in the string
        scrambled_word[i] = letter
      end
    end
  end
  return scrambled_word
end

a = Array.new
dict = File.open('5desk.txt')
dict.each do |row|
  a.push(row)
end

#picking a word between 5 and 12 characters long
word = pick_word(a)
until word.length.between?(5, 12)
  word = pick_word(a)
end
puts "Your word is #{word}"

#initialize some variables
guess = ""
scrambled_word = ""
scrambled_word << word
guesses = Array.new

hidden_letters = generate_hidden_letters(word)
scrambled_word = scramble_word(word, hidden_letters, scrambled_word)

while true

 puts "Word is #{word}" 
 puts "scrambled is #{scrambled_word}"
  #puts the array as a readable string
  puts scrambled_word.inspect[1...-1].gsub('"',"").gsub(',','')

  print "Guess a letter: "
  guess = gets.chop
  unless guesses.include?(guess)
    guesses.push(guess)
  end
  p guesses
  p hidden_letters
  scrambled_word = unscramble_word(word, guesses, scrambled_word)

end

#if input is included in word but not hidden word then
#if word[x] == input then hidden[x] == input
#do this over the array
#if guess == a hidden letter
# fill in that letter
#else
# increase hangman counter