ingredients = Hash.new
potion = 0

puts "Welcome to potion brewer! To make a health potion you must combine 4 TOF + 7 TOW + 2 AF. Let's get started.\n\n"
puts "Here are some basic conversions:\n\n"
puts "4 EON + 2 WOB = 3 AF + 4 TOW\n"
puts "3 TOW + 1 TOF = 2 EON\n"
puts "1 WOB + 2 AF = 1 TOF\n\n"

puts "The program will now calculate the maximum amount of potions you can make given your ingredients.\n\n"

puts "How many EON do you have?"

ingredients["EON"] = gets.to_i

puts "How many TOF do you have?"

ingredients["TOF"] = gets.to_i

puts "How many WOB do you have?"

ingredients["WOB"] = gets.to_i

puts "How many AF do you have?"

ingredients["AF"] = gets.to_i

puts "How many TOW do you have?"

ingredients["TOW"] = gets.to_i

# ==/== DEBUG ==/==
#for name in ingredients.keys
#    puts "Great, you have #{ingredients[name]} " + name + "."
#end

#tof_left = ingredients["TOF"] % 4
#tow_left = ingredients["TOW"] % 7
#af_left = ingredients["AF"] % 2

while (ingredients["TOF"] >= 4 and ingredients["TOW"] >= 7 and ingredients["AF"] >= 2)
    potion += 1
    ingredients["TOF"] -= 4
    ingredients["TOW"] -= 7
    ingredients["AF"] -= 2
    # ==/== DEBUG ==/==
    #puts "Potion created.."
end

puts "\n\nMade #{potion} potion(s).\n\n"

for name in ingredients.keys
puts "You have " + ingredients[name].to_s + " " + name + " left.\n\n"
end