using System;

using System.Collections.Generic;

​

namespace ECommercePlatform

{

    class Program

    {

        static void Main(string[] args)

        {

            // Create a list to store products

            List<Product> products = new List<Product>();

​

            // Add some sample products

            products.Add(new Product("001", "iPhone 12", 1099.99));

            products.Add(new Product("002", "Samsung Galaxy S21", 999.99));

            products.Add(new Product("003", "Google Pixel 5", 899.99));

​

            // Display the available products

            Console.WriteLine("Welcome to the E-Commerce Platform!");

            Console.WriteLine("Available Products:");

            Console.WriteLine("--------------------");

            foreach (Product product in products)

            {

                Console.WriteLine("{product.Id} - {product.Name} - ${product.Price}");

            }

            Console.WriteLine("--------------------");

​

            // Simulate the purchase process

            Console.WriteLine("Enter the product ID you want to purchase (or 'exit' to quit):");

            string input = Console.ReadLine();

​

            while (input != "exit")

            {

                // Find the selected product by ID

                Product selectedProduct = null;

                foreach (Product product in products)

                {

                    if (product.Id == input)

                    {

                        selectedProduct = product;

                        break;

                    }

                }

​

                // Check if the product is found

                if (selectedProduct != null)

                {

                    Console.WriteLine("You have selected: {selectedProduct.Name} - ${selectedProduct.Price}");

                    Console.WriteLine("Please enter your payment information:");

                    string paymentInfo = Console.ReadLine();

​

                    // Process the payment

                    Console.WriteLine("Processing payment...");

                    // Code for payment processing goes here

​

                    Console.WriteLine("Payment successful! Your order has been placed.");

                }

                else

                {

                    Console.WriteLine("Invalid product ID. Please try again.");

                }

​

                Console.WriteLine("Enter the product ID you want to purchase (or 'exit' to quit):");

                input = Console.ReadLine();

            }

​

            Console.WriteLine("Thank you for using the E-Commerce Platform. Goodbye!");

        }

    }

​

    class Product

    {

        public string Id { get; set; }

        public string Name { get; set; }

        public double Price { get; set; }

​

        public Product(string id, string name, double price)

        {

            Id = id;

            Name = name;

            Price = price;

        }

    }

}

​