change_dispenser_cashregister.rb

class ChangeDispenserCashregister

	attr_accessor :total, :payment, :change_to_dispense
	
	COINS = { quarter: 25, dime: 10, nickel: 5, penny: 1 }
	
	def initialize
		get_total
		get_payment
		dispense_change
	end

	def get_total
		puts "What is the total cost, with 2 decimal places, like '12.50'?"
		@total = gets.chomp.to_f * 100
		puts @total
	end

	def get_payment
		puts "Enter payment with 2 decimal places, like '1.99'."
		@payment = gets.chomp.to_f * 100 # converts into cents
		puts @payment
		get_change_due
	end

	def get_change_due
		@change_to_dispense = {}
		cents_due = @payment - @total

		COINS.map do |coin, value|
			num_coins = (cents_due/value).floor
			change_to_dispense[coin] = num_coins
			cents_due -= (value * num_coins)
		end
	end
	
	def dispense_change
		puts "Your change is #{@change_to_dispense}."
	end
	
end

ChangeDispenserCashregister.new