hilo.rb

require 'colorize'

progression = 0
jackpot = 16

milestones = {
    4 => '€500',
    8 => '€2,500',
    12 => '€100,000',
    16 => '€250,000'
}

valid_choices = ['h', 'higher', 'l', 'lower', 'cashout', 'c']

def cashout_value(milestones, progression)
    if progression >= 4 && progression < 8
        milestones[4]
    elsif progression >= 8 && progression < 12
        milestones[8]
    elsif progression >= 12 && progression < 16
        milesstones[12]
    elsif progression == 16
        milestones[16]
    else 
        return 0
    end
end

def has_reached_milestone(milestones, progression)
    if milestones.key?(progression)
        "Milestone reached: " + milestones[progression]
    end
end

while progression < jackpot do 
    a = rand(1..15)
    while true do
        b = rand(1..15)
        if b != a
            break
        end
    end
    puts "Generated number: %s" % a
    while true do 
        puts "Higher or lower: ".blue
        user_choice = gets.chomp.downcase
        if ! valid_choices.include? user_choice
            puts 'Invalid input.'
            next
        end
        if (user_choice == 'higher' || user_choice == 'h') && b > a
            progression += 1
            puts "That's correct".green
            puts has_reached_milestone(milestones, progression)
            break
        elsif (user_choice == 'lower' || user_choice == 'l') && b < a
            progression += 1
            puts "That's correct.".green
            puts has_reached_milestone(milestones, progression)
            break
        elsif user_choice == 'cashout' || user_choice == 'c'
            if progression < 4
                puts "Haven't reached milestone."
                next
            end
            cashout_value = cashout_value(milestones, progression)
            puts "Cashed out with value of " + cashout_value.to_s
            exit    
        else
            puts "Incorrect.".red
            if progression >= 4
                cashout_value = cashout_value(milestones, progression)
                puts "Cashed out with value of " + cashout_value.to_s
            end
            exit
        end
    end
end