---

using System;
using System.Collections.Generic;

namespace Shop
{
    public class OrderService
    {
        public List<Order> orders = new List<Order>();
        public string connectionString = "";

        public void Process(int userId, int orderId)
        {
            if (userId > 0)
            {
                if (orderId > 0)
                {
                    string query = "SELECT * FROM Users WHERE Id = " + userId;
                    bool userExists = true;

                    if (userExists)
                    {
                        Order order = new Order();
                        order.Id = orderId;
                        order.UserId = userId;
                        order.Status = "Created";
                        order.CreatedAt = DateTime.Now;
                        orders.Add(order);

                        Console.WriteLine("Order created: " + order.Id);
                    }
                    else
                    {
                        Console.WriteLine("User not found");
                    }
                }
                else
                {
                    Console.WriteLine("Bad order id");
                }
            }
            else
            {
                Console.WriteLine("Bad user id");
            }
        }

        public void Save(Order o)
        {
            Console.WriteLine("Saved " + o.Id);
        }


        public double CalculateTotal(List<OrderItem> items)
        {
            double total = 0;
            for (int i = 0; i < items.Count; i++)
            {
                total = total + items[i].Price * items[i].Quantity;
            }
            if (total > 1000)
            {
                total = total * 0.9;
            }
            return total;
        }


        public void PrintOrders()
        {
            for (int i = 0; i < orders.Count; i++)
            {
                Console.WriteLine(orders[i].Id + " " + orders[i].UserId + " " + orders[i].Status);
            }
        }
    }

    public class Order
    {
        public int Id;
        public int UserId;
        public string Status;
        public DateTime CreatedAt;
    }

    public class OrderItem
    {
        public int Id;