pop bottles

popbottle.rb

# 2 empty empty bottles you get one free bottle
# for every 4 bottle caps you get one free bottle
# each bottle cost $2

def calculate(number)
  empty_bottles(number) + bottle_caps(number)
end

def bottles_from_cash(cashtobottles)
  @no_of_bottles = cashtobottles/2
end

def empty_bottles(a)
   @no_of_bottles/2
end

def bottle_caps(b)
   @no_of_bottles/4
end

def left_bot(c)
   @no_of_bottles%2
end

def left_cap(d)
   @no_of_bottles%4
end

loop do
  puts "What amount do you want to spend? in dollars "
  user_input = gets.chomp.to_i
  if user_input == 0
    puts "Invalid selection please put an actual amount"
    break
  else
    puts "you will get #{bottles_from_cash(user_input)} bottles. You will get #{empty_bottles(user_input)} bottles from recyling empty bottles and #{bottle_caps(user_input)} bottles from recyling caps"
    puts "you have #{left_bot(user_input)} of bottles and #{left_cap(user_input)} caps left. Buy more pop!!!!"
  end
end