# Class Trade Document

class Trade_Document:
    costumer_list  = []

    def __init__(self, name, addr1, addr2, addr3, phone_number, date, product_name, product_cost):
        self.name = name
        self.addr1 = addr1
        self.addr2 = addr2
        self.addr3 = addr3
        self.phone_number = phone_number
        self.date = date
        self.product_name = product_name
        self.product_cost = product_cost
        self.costumer_list.append(self)
    # End Init
# End Class

##############################

# Class Sales Order and the check_email method

class Sales_Order(Trade_Document):
    def __init__(self, name, addr1, addr2, addr3, phone_number, date, product_name, product_cost, Order_number, Email_address, VAT_number):
        super().__init__(name, addr1, addr2, addr3, phone_number, date, product_name, product_cost)
        self.Order_number = Order_number
        self.Email_address = Email_address
        self.VAT_number = VAT_number
    #END Init

    def check_email(self):
        print("Checking that", c1.Email_address, "is a valid email")
    #END check_email
#END Class

##############################

# Class Dispatch Note and the calculate_cost method

class Dispatch_note(Sales_Order):
    def __init__(self, name, addr1, addr2, addr3, phone_number, date, product_name, product_cost,
                 Order_number,Dispatch_number, Email_address, VAT_number, VAT_rate, Transport_number, Total_cost):
        super().__init__(name, addr1, addr2, addr3, phone_number, date, product_name, product_cost, Order_number, Email_address, VAT_number )
        self.Dispatch_number = Dispatch_number
        self.VAT_rate = VAT_rate
        self.Transport_number = Transport_number
        self.Total_cost = Total_cost
    #END Init
    def calculate_cost(self):
        self.Total_cost = int(self.product_cost) + (int(self.product_cost) * (int(self.VAT_rate) / 100))
        print("The final price is the product cost of €", self.product_cost)
        print("plus the VAT rate of", self.VAT_rate,"%")
        print("which is equal to €", self.Total_cost)
    #END calculate_cost
#END Class

##############################

# Class Sales invoice and the send_invoice method

class Sales_invoice(Dispatch_note):
    def __init__(self, name, addr1, addr2, addr3, phone_number, date, product_name, product_cost,
                 Order_number,Dispatch_number, Email_address, VAT_number, VAT_rate, Transport_number, Total_cost, invoice_number):
        super().__init__(name, addr1, addr2, addr3, phone_number, date, product_name, product_cost,
                 Order_number,Dispatch_number, Email_address, VAT_number, VAT_rate, Transport_number, Total_cost)
        self.invoice_number = invoice_number
    #END Init
        
    def send_invoice(self):
        print("Send the invoice number:", self.invoice_number)
        print("of the despatch number:", self.Dispatch_number)
        print("of the order number:", self.Order_number)
        print("containing the product:", self.product_name)
        print("at a final price of:", self.Total_cost)
        print("to customer:", self.name)
    #END send_invoice
#END Class

##############################
        
# Calling the program

c1 = Sales_invoice("Joe Biden", "123", "Dame Street", "Dublin 1", "0877116326", "9.11.2017",
                  "Irish Flag", "150", "ORD345", "DESP236", "JoeBiden@gmail.com", "5", "46", "TRANS542", "150", "INV65478")
print(" ")
print("============================")
print("======   SALES ORDER  ======")
c1.check_email()
print(" ")
print("============================")
print("=====   DESPATCH NOTE  =====")
c1.calculate_cost()
print(" ")
print("============================")
print("=====   SALES INVOICE  =====")
c1.send_invoice()
print("============================")