# Standard Library
import datetime # Library {}
# from datetime import datetime LEVEL 1
import subprocess

# import datetime, subprocess Pythonic

class Orders:
    def __init__(self, orderID, productSku, productPrice):
        self.orderID = orderID
        self.productSku = productSku
        self.productPrice = productPrice
        self.orderDate = datetime.datetime.now() # subprocess

    def calculate_total(self):
        qty = int(input("Enter quantity: "))  # input()
        total_price = self.productPrice * qty  # int(qty)
        return total_price

    def log_order(self):
        log_message = f"Order ID: {self.orderID} | Order Date: {self.orderDate}\n"
        # method 1 use the CURRENT process
        with open("order_log_process.txt", "a" ) as logfile:
            logfile.write(log_message)
        # method 2 use a subprocess to handle the logging
        #subprocess.run(["echo", log_message, ">>", "order_log_subprocess.txt", shell=True])
        subprocess.run(["powershell", "-Command", f"Add-Content -Path order_log_subprocess.txt -Value \"{log_message}\""], shell=True)

# Process with subprocess
if __name__ == "__main__":
    # Create an instance of Orders
    order = Orders("1001", "SKU1234", 19.99)

    # Line Item total
    total = order.calculate_total()  # input() user * price
    print(f"${total:.2f}")

    #Log the order
    #subprocess
    order.log_order()