cash_register3.rb

#INCOMPLETE


require 'pry'
require 'csv'

require_relative 'cash_3_methods'

def build_array_from_csv(filename)
  inventory_array = []
  CSV.foreach(filename, :headers => true) do |row|
    inventory_array << row.to_hash
  end
  inventory_array
end

def print_menu(array)
  options = [1,2,3,4,5]
  puts "Welcome to James' coffee emporium!"
  puts ""
  puts "#{options[0]}) Add item - $#{array[0]["retail_price"]} - #{array[0]["name"]}"
  puts "#{options[1]}) Add item - $#{array[1]["retail_price"]} - #{array[1]["name"]}"
  puts "#{options[2]}) Add item - $#{array[2]["retail_price"]} - #{array[2]["name"]}"
  puts "#{options[3]}) Complete Sale"
end

def prompt(string)
  puts string
  gets.chomp
end

def make_line_item(user_selection, quantity)
  { user_selection => quantity.to_i }
end


# Until user inputs done (4)
  #Take user input for selection
  #Take user input for quantity
  #Keep building a receipt
def process_sale(sale)
user_selection = prompt('What is your selection?')
  if user_selection != "4"
    quantity = prompt('How many bags?')
    line_item = make_line_item(user_selection, quantity)
    sale << line_item
    #output subtotal
    process_sale(sale)
  else
    puts "maybe?"
  end
end

sale = []

menu_array = build_array_from_csv('products.csv')

print_menu(menu_array)
process_sale(sale)

# outputting total and receipt to screen
# write receipt to file

binding.pry