# Ask the user how much money they have, assume that the $ symbol is part of the prompt (the user doesn't have to enter it)

# [Optional] Handle when the buyer enters "C" or "c" so that it works as expected
# [Optional] Do something appropriate when the buyer enters an invalid amount for the money and an invalid selection

puts "\n"
puts "Hi kid! Welcome to my virtual candy machine. You give me virtual money, I give you virtual candy."
puts "\n"
print "How much money do you have? $"
kid_money = gets.chomp.to_f

puts "\n"

# Since we're talking about money, format the response to include two decimal points

puts "$%0.2f? Sweet!" % [kid_money]
puts "\n"

# Display all candy options and their costs (even if the user cannot afford the candy)

puts "Okay, here's what I've got:"
puts "\n"
puts "a. Laffy Taffy, $0.10"
puts "b. Bit o' Honey, $0.75"
puts "c. Jelly Bellys, $1.75"
puts "d. Kinder egg, $2.50"
puts "\n"
puts "So, which one do you want? Choose a letter."

# Decide whether the user can afford the candy or not, if they can't, tell them so, if they can, calculate and display their change

candy_option = gets.chomp.downcase
puts "\n"

# Use conditionals to define letter options

if candy_option == "a"
  price = 0.10
  candy_name = "Laffy Taffy"
elsif candy_option == "b"
  price = 0.75
  candy_name = "Bit o' Honey"
elsif candy_option == "c"
  price = 1.75
  candy_name = "Jelly Bellys"
elsif candy_option == "d"
  price = 2.50
  candy_name = "Kinder egg"
else
  puts "Sorry, I don't recognize that choice. Here's your money back."
  puts "\n"
end

if kid_money < price
  puts "Get outta here, you don't have the money for that!"
elsif kid_money == price
  puts "Okay, here's your #{candy_name}. Enjoy your virtual candy!"
else kid_money > price
  change = kid_money - price
  puts "All righty, here's your #{candy_name} and your $%0.2f change. Enjoy!" % [change]
end

puts "Thanks for using the virtual candy machine."
puts "\n"