import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;

public class CarRentalSystem {

    // 定义汽车信息类
    static class Car {
        private String carId;
        private String make;
        private String model;
        private int year;
        private String color;
        private double price;

        public Car(String carId, String make, String model, int year, String color, double price) {
            this.carId = carId;
            this.make = make;
            this.model = model;
            this.year = year;
            this.color = color;
            this.price = price;
        }

        public String getCarId() {
            return carId;
        }

        public void setCarId(String carId) {
            this.carId = carId;
        }

        public String getMake() {
            return make;
        }

        public void setMake(String make) {
            this.make = make;
        }

        public String getModel() {
            return model;
        }

        public void setModel(String model) {
            this.model = model;
        }

        public int getYear() {
            return year;
        }

        public void setYear(int year) {
            this.year = year;
        }

        public String getColor() {
            return color;
        }

        public void setColor(String color) {
            this.color = color;
        }

        public double getPrice() {
            return price;
        }

        public void setPrice(double price) {
            this.price = price;
        }

        @Override
        public String toString() {
            return "Car{" +
                    "carId='" + carId + '\'' +
                    ", make='" + make + '\'' +
                    ", model='" + model + '\'' +
                    ", year=" + year +
                    ", color='" + color + '\'' +
                    ", price=" + price +
                    '}';
        }
    }

    // 定义订单信息类
    static class Order {
        private String orderId;
        private String carId;
        private String customerId;
        private Date rentDate;
        private Date returnDate;
        private double totalAmount;

        public Order(String orderId, String carId, String customerId, Date rentDate, Date returnDate, double totalAmount) {
            this.orderId = orderId;
            this.carId = carId;
            this.customerId = customerId;
            this.rentDate = rentDate;
            this.returnDate = returnDate;
            this.totalAmount = totalAmount;
        }

        public String getOrderId() {
            return orderId;
        }

        public void setOrderId(String orderId) {
            this.orderId = orderId;
        }

       
        public void setCarId(String carId) {
          this.carId = carId;
      }
  
      public String getCustomerId() {
          return customerId;
      }
  
      public void setCustomerId(String customerId) {
          this.customerId = customerId;
      }
  
      public Date getRentDate() {
          return rentDate;
      }
  
      public void setRentDate(Date rentDate) {
          this.rentDate = rentDate;
      }
  
      public Date getReturnDate() {
          return returnDate;
      }
  
      public void setReturnDate(Date returnDate) {
          this.returnDate = returnDate;
      }
  
      public double getTotalAmount() {
          return totalAmount;
      }
  
      public void setTotalAmount(double totalAmount) {
          this.totalAmount = totalAmount;
      }
  
      @Override
      public String toString() {
          return "Order{" +
                  "orderId='" + orderId + '\'' +
                  ", carId='" + carId + '\'' +
                  ", customerId='" + customerId + '\'' +
                  ", rentDate=" + rentDate +
                  ", returnDate=" + returnDate +
                  ", totalAmount=" + totalAmount +
                  '}';
      }
  }
  
  public static void main(String[] args) {
      Scanner scanner = new Scanner(System.in);
  
      // 初始化汽车信息
      Map<String, Car> carMap = new HashMap<>();
      carMap.put("001", new Car("001", "Toyota", "Camry", 2019, "White", 100.0));
      carMap.put("002", new Car("002", "Honda", "Accord", 2020, "Black", 120.0));
      carMap.put("003", new Car("003", "Ford", "Mustang", 2021, "Red", 150.0));
      carMap.put("004", new Car("004", "BMW", "X5", 2018, "Silver", 200.0));
  
      // 初始化客户信息
      Map<String, String> customerMap = new HashMap<>();
      customerMap.put("001", "John");
      customerMap.put("002", "Mary");
      customerMap.put("003", "David");
      customerMap.put("004", "Alice");
  
      // 初始化订单信息
      List<Order> orderList = new ArrayList<>();
  
      while (true) {
          // 显示菜单
          System.out.println("1. Rent a car");
          System.out.println("2. Return a car");
          System.out.println("3. Display available cars");
          System.out.println("4. Display rented cars");
          System.out.println("5. Display rental history");
          System.out.println("6. Exit");
  
          // 读取用户输入的选项
          System.out.print("Please enter your choice: ");
          int choice = scanner.nextInt();
  
          switch (choice) {
              case 1:
                  // 租车
                  System.out.print("Enter car ID: ");
                  String rentCarId = scanner.next();
                  if (!carMap.containsKey(rentCarId)) {
                      System.out.println("Invalid car ID.");
                      break;
                  }
  
                  System.out.print("Enter customer ID: ");
                  String customerId = scanner.next();
                  if (!customerMap.containsKey(customerId)) {
                      System.out.println("Invalid customer ID.");
                      break;
                  }
  
                  System.out.print("Enter rent date (yyyy-MM-dd): ");
                  String rentDateStr = scanner.next();
                  Date rentDate = new Date(rentDateStr);
  
                  Order rentOrder = new Order(
                          String.format("%d", orderList.size() + 1),
                          rentCarId,
                          customerId,
                          rentDate