puts "I have generated a random number for you to guess, what is your guess?"

answer = rand(1...101)
guess = gets.to_i

# Level 1 - if right, "good guess", if wrong, "guess again"
if (guess == answer)
    puts "You guessed the right number!"
else
    puts "Guess again."
    guess = gets.to_i
end

# Level 2 - guess higher or lower?
if (guess == answer)
    puts "You guessed the right number!"
elsif (guess > answer)
    puts "Your guess is higher than my number, guess again."
    guess = gets.to_i
else
    puts "Your guess is lower than my number, guess again."
    guess = gets.to_i
end

# Level 3 - add cheat mode to show number
if (guess == answer)
    puts "You guessed the right number!"
else
    puts "Guess again... or you can cheat. Go ahead and enter 'c' or 'cheat' and I will show you the number."
    new_guess = gets
    if new_guess.start_with?("c")
        puts answer
    else
        guess = new_guess.to_i
    end
end

# Level 4 - add a hint

if (guess == answer)
    puts "You guessed the right number!"
else
    while (guess != answer)
        range = (answer - guess)
        puts "You are within #{range.abs} numbers to the answer! Guess again!"
        guess = gets.to_i
    end
end

if (guess == answer)
    puts "You guessed right!"
end