Pradeep

package hotel_management.com;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

class UserProfile {
private String userID;
private String fullName;
private String email;
private String mobileNumber;
private String password;
private String role; // Admin or User

public UserProfile(String userID, String fullName, String email, String mobileNumber, String password, String role) {
    this.userID = userID;
    this.fullName = fullName;
    this.email = email;
    this.mobileNumber = mobileNumber;
    this.password = password;
    this.role = role;
}

// Getters and Setters
public String getUserID() { return userID; }
public void setUserID(String userID) { this.userID = userID; }

public String getFullName() { return fullName; }
public void setFullName(String fullName) { this.fullName = fullName; }

public String getEmail() { return email; }
public void setEmail(String email) { this.email = email; }

public String getMobileNumber() { return mobileNumber; }
public void setMobileNumber(String mobileNumber) { this.mobileNumber = mobileNumber; }

public String getPassword() { return password; }
public void setPassword(String password) { this.password = password; }

public String getRole() { return role; }
public void setRole(String role) { this.role = role; }

@Override
public String toString() {
    return "UserProfile [UserID=" + userID + ", FullName=" + fullName + ", Email=" + email + ", MobileNumber=" + mobileNumber + ", Role=" + role + "]";
}

}

class Reservation {
private int reservationId;
private String checkInDate;
private String checkOutDate;
private String roomPreference;
private String guestName;
private long contactNumber;

public Reservation(int reservationId, String checkInDate, String checkOutDate, String roomPreference, String guestName, long contactNumber) {
    this.reservationId = reservationId;
    this.checkInDate = checkInDate;
    this.checkOutDate = checkOutDate;
    this.roomPreference = roomPreference;
    this.guestName = guestName;
    this.contactNumber = contactNumber;
}

@Override
public String toString() {
    return "Reservation [ReservationId=" + reservationId + ", CheckIn=" + checkInDate + ", CheckOut=" + checkOutDate +
            ", RoomPreference=" + roomPreference + ", Guest=" + guestName + ", Contact=" + contactNumber + "]";
}

public int getReservationId() {
    return reservationId;
}

public String getCheckin() {
    return checkInDate;
}

public String getCheckout() {
    return checkOutDate;
}

}

class BookingHistory {
private String userName;
private int reservationId;

public BookingHistory(String userName, int reservationId) {
    this.userName = userName;
    this.reservationId = reservationId;
}

@Override
public String toString() {
    return "BookingHistory [User=" + userName + ", ReservationID=" + reservationId + "]";
}

public int getReservationId() {
    return reservationId;
}

}

class Complaint {
private String userName;
private long contactNumber;
private int roomNumber;
private String typeOfComplaint;
private int feedbackRating;

public Complaint(String userName, long contactNumber, int roomNumber, String typeOfComplaint, int feedbackRating) {
    this.userName = userName;
    this.contactNumber = contactNumber;
    this.roomNumber = roomNumber;
    this.typeOfComplaint = typeOfComplaint;
    this.feedbackRating = feedbackRating;
}

@Override
public String toString() {
    return "Complaint [User=" + userName + ", Contact=" + contactNumber + ", Room=" + roomNumber +
            ", ComplaintType=" + typeOfComplaint + ", Rating=" + feedbackRating + "]";
}

public int getRoomNumber() {
    return roomNumber;
}

}

class BookingHotel {
private int bookingID;
private String roomTypeSelection;
private String bookingDetails;
private double price;

// Constructor
public BookingHotel(int bookingID, String roomTypeSelection, String bookingDetails, double price) {
    this.bookingID = bookingID;
    this.roomTypeSelection = roomTypeSelection;
    this.bookingDetails = bookingDetails;
    this.price = price;
}

// Getters and Setters
public int getBookingID() { return bookingID; }
public void setRoomTypeSelection(String roomTypeSelection) { this.roomTypeSelection = roomTypeSelection; }
public String getRoomTypeSelection() { return roomTypeSelection; }
public String getBookingDetails() { return bookingDetails; }
public double getPrice() { return price; }

@Override
public String toString() {
    return "BookingHotel [BookingID=" + bookingID + ", RoomTypeSelection=" + roomTypeSelection +
            ", BookingDetails=" + bookingDetails + ", Price=" + price + "]";
}

}

class Room {
private int roomid;
private String roomtype;
private String avail;
private double price;

public Room(int roomid, String roomtype, String avail, double price) {
    this.roomid = roomid;
    this.roomtype = roomtype;
    this.avail = avail;
    this.price = price;

}

public int getRoomid() {
    return roomid;
}

public void setRoomid(int roomid) {
    this.roomid = roomid;
}

public String getRoomtype() {
    return roomtype;
}

public void setRoomtype(String roomtype) {
    this.roomtype = roomtype;
}

public String getAvail() {
    return avail;
}

public void setAvail(String avail) {
    this.avail = avail;
}

public double getPrice() {
    return price;
}

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

@Override
public String toString() {
return roomid + " " + roomtype + " " + avail + " " + price;
}
}

public class Main {
static List<UserProfile> userProfiles = new ArrayList<>();
static List<Reservation> reservations = new ArrayList<>();
static List<BookingHistory> bookingHistories = new ArrayList<>();
static List<Complaint> complaints = new ArrayList<>();
static List<BookingHotel> bookings = new ArrayList<>();
static List<Room> rooms = new ArrayList<>();
static int bookingCounter = 1; // Auto-incremented booking ID
static int reservationid = 1;

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    boolean exit = false;
    // Initialize some rooms
    rooms.add(new Room(101, "Single", "Available", 5000));
    rooms.add(new Room(102, "Single", "Available", 5000));
    rooms.add(new Room(103, "Single", "Available", 5000));
    rooms.add(new Room(104, "Double", "Available", 3000));
    rooms.add(new Room(105, "Double", "Available", 3000));
    rooms.add(new Room(106, "Double", "Available", 3000));
    rooms.add(new Room(107, "Single", "Available", 5000));

    while (!exit) {
        System.out.println("----- Hotel Management System -----");
        System.out.println("1. Register User");
        System.out.println("2. Login");
        System.out.println("3. Exit");
        System.out.print("Choose an option: ");
        int option = sc.nextInt();

        switch (option) {
            case 1:
                registerUser(sc); // Register a user
                break;
            case 2:
                login(sc); // Login for Admin or User
                break;
            case 3:
                exit = true;
                System.out.println("Exiting System. Thank you!");
                break;
            default:
                System.out.println("Invalid option. Please try again.");
                break;
        }
    }
}

public static void registerUser(Scanner sc) {
    System.out.println("---- Register User ----");
    System.out.print("Enter User ID: ");
    String userID = sc.next();

    // Validate User ID
    if (userID.trim().isEmpty()) {
        System.out.println("Invalid input for User ID. Please try again.");
        return;
    }

    System.out.print("Enter Full Name: ");
    sc.nextLine(); // Consume newline
    String fullName = sc.nextLine();
    if (fullName.trim().isEmpty()) {
        System.out.println("Invalid input for Full Name. Please try again.");
        return;
    }

    System.out.print("Enter Email: ");
    String email = sc.next();
    if (email.trim().isEmpty()) {
        System.out.println("Invalid input for Email. Please try again.");
        return;
    }

    System.out.print("Enter Mobile Number: ");
    String mobileNumber = sc.next();
    if (mobileNumber.trim().isEmpty()) {
        System.out.println("Invalid input for Mobile Number. Please try again.");
        return;
    }

    System.out.print("Enter Password: ");
    String password = sc.next();
    if (password.trim().isEmpty()) {
        System.out.println("Invalid input for Password. Please try again.");
        return;
    }

    System.out.print("Enter Role (admin/user): ");
    String role = sc.next();
    if (!(role.equalsIgnoreCase("admin") || role.equalsIgnoreCase("user"))) {
        System.out.println("Invalid role. Please select either admin or user.");
        return;
    }

    UserProfile userProfile = new UserProfile(userID, fullName, email, mobileNumber, password, role);
    userProfiles.add(userProfile);

    System.out.println("User registered successfully!");
}

public static void login(Scanner sc) {
    System.out.println("---- Login ----");
    System.out.print("Enter User ID: ");
    String userID = sc.next();
    System.out.print("Enter Password: ");
    String password = sc.next();

    for (UserProfile userProfile : userProfiles) {
        if (userProfile.getUserID().equals(userID) && userProfile.getPassword().equals(password)) {
            System.out.println("Login successful!");
            if (userProfile.getRole().equalsIgnoreCase("admin")) {
                adminPage(sc); // Admin page
            } else {
                userPage(sc); // User page
            }
            return;
        }
    }
    System.out.println("Invalid UserID or Password.");
}

public static void adminPage(Scanner sc) {
    boolean exit = false;
    while (!exit) {
        System.out.println("----- Admin Page -----");
        System.out.println("1. Booking Hotel Services");
        System.out.println("2. View Booking History");
        System.out.println("3. View Booking History by ID");
        System.out.println("4. View Room Status");
        System.out.println("5. View Check-out Billing Invoice");
        System.out.println("6. View Complaints");
        System.out.println("7. Logout");
        System.out.print("Choose an option: ");
        int option = sc.nextInt();

        switch (option) {
            case 1:
                bookHotelServices(sc); // Book hotel services
                break;
            case 2:
                viewBookingHistoryAdmin(); // View booking history for admin
                break;
            case 3:
                viewBookingHistoryByID(sc); // View booking history by ID
                break;
            case 4:
                viewRoomStatus(); // View room status
                break;
            case 5:
                viewCheckOutBillingInvoice(sc); // View check-out billing invoice
                break;
            case 6:
                viewComplaints(); // View complaints
                break;
            case 7:
                exit = true;
                System.out.println("Logged out from Admin Page.");
                break;
            default:
                System.out.println("Invalid option. Please try again.");
                break;
        }
    }
}

public static void userPage(Scanner sc) {
    boolean exit = false;
    while (!exit) {
        System.out.println("----- User Page -----");
        System.out.println("1. Make Reservation");
        System.out.println("2. View Booking History");
        System.out.println("3. View Room Status");
        System.out.println("4. Check-out Billing");
        System.out.println("5. Make Complaint");
        System.out.println("6. Contact");
        System.out.println("7. Pay Bill");
        System.out.println("8. Logout");
        System.out.print("Choose an option: ");
        int option = sc.nextInt();

        switch (option) {
            case 1:
                makeReservation(sc); // Make reservation
                break;
            case 2:
                viewBookingHistory(); // View booking history
                break;
            case 3:
                viewRoomStatus(); // View room status
                break;
            case 4:
                checkOutBilling(sc); // Check-out billing
                break;
            case 5:
                makeComplaint(sc); // Make complaint
                break;
            case 6:
                contact(); // Contact information
                break;
            case 7:
                payBill(sc);  // Call the bill payment method
                break;
            case 8:
                exit = true;
                System.out.println("Logged out from User Page.");
                break;
            default:
                System.out.println("Invalid option. Please try again.");
                break;
        }
    }
}

// User Story 4: Make reservation
public static void updateroomstatus(int id) {
    for (Room details : rooms) {
        if (details.getRoomid() == id) {
            details.setAvail("Booked");
        }
    }
}

public static void roomSetter(int id) {
    for (Room details : rooms) {
        if (details.getRoomid() == id) {
            details.setAvail("Available");
        }
    }
}

public static boolean isRoomAvailable(int id) {
    for (Room room : rooms) {
        if (room.getRoomid() == id && room.getAvail().equalsIgnoreCase("Available")) {
            return true;
        }
    }
    return false;
}

public static void makeReservation(Scanner sc) {
    viewRoomStatus();
    System.out.println("---- Make Reservation ----");
    System.out.print("Enter Room ID: ");
    int id = sc.nextInt();

    // Validate Room ID
    boolean roomExists = false;
    for (Room room : rooms) {
        if (room.getRoomid() == id) {
            roomExists = true;
            break;
        }
    }

    if (!roomExists) {
        System.out.println("Invalid Room ID. Please choose a valid room.");
        return;
    }

    // Check if room is available
    if (!isRoomAvailable(id)) {
        System.out.println("Room is already booked. Please select a different room.");
        return;
    }

    updateroomstatus(id);
    System.out.println("Reservation ID: " + reservationid);
    int reservationId = reservationid;
    reservationid++; // Increment reservation ID for next reservation

    System.out.print("Enter Check-In Date (YYYY-MM-DD): ");
    String checkInDate = sc.next();
    System.out.print("Enter Check-Out Date (YYYY-MM-DD): ");
    String checkOutDate = sc.next();
    System.out.print("Enter Room Preference (Single/Double): ");
    String roomPreference = sc.next();
    System.out.print("Enter Guest Name: ");
    sc.nextLine(); // Consume newline
    String guestName = sc.nextLine();
    System.out.print("Enter Contact Number: ");
    long contactNumber = sc.nextLong();

    Reservation reservation = new Reservation(reservationId, checkInDate, checkOutDate, roomPreference, guestName, contactNumber);
    reservations.add(reservation);

    BookingHistory bookingHistory = new BookingHistory(guestName, reservationId);
    bookingHistories.add(bookingHistory);

    System.out.println("Reservation Successful!");
}

// User Story 5: View booking history
public static void viewBookingHistory() {
    System.out.println("---- Booking History ----");
    for (BookingHistory history : bookingHistories) {
        System.out.println(history);
    }
}

// User Story 6: Make complaint
public static void makeComplaint(Scanner sc) {
    System.out.println("---- Make Complaint ----");
    System.out.print("Enter Your Name: ");
    sc.nextLine(); // Consume newline
    String userName = sc.nextLine();
    System.out.print("Enter Contact Number: ");
    long contactNumber = sc.nextLong();
    System.out.print("Enter Room Number: ");
    int roomNumber = sc.nextInt();
    System.out.print("Enter Type of Complaint (Poor_housekeeping, Noisy_guests, etc.): ");
    String typeOfComplaint = sc.next();
    sc.nextLine();
    System.out.print("Enter Feedback Rating (1-5): ");
    int feedbackRating = sc.nextInt();

    // Validate feedback rating
    if (feedbackRating < 1 || feedbackRating > 5) {
        System.out.println("Invalid feedback rating. Please enter a rating between 1 and 5.");
        return;
    }

    Complaint complaint = new Complaint(userName, contactNumber, roomNumber, typeOfComplaint, feedbackRating);
    complaints.add(complaint);

    System.out.println("Complaint submitted successfully!");
}

// User Story 7: Contact
public static void contact() {
    System.out.println("---- Contact Us ----");
    System.out.println("For any inquiries, please contact us at:");
    System.out.println("Email: [email protected]");
    System.out.println("Phone: +123456789");
}

// User Story 8: View room status
public static void viewRoomStatus() {
    System.out.println("---- Room Status ----");
    System.out.println("Room Id    Room Type    Availability    Price");
    for (Room details : rooms) {
        System.out.println(details.toString());
    }
}

// User Story 9: Check-out billing
public static Room returnobject(int id) {
    for (Room ro : rooms) {
        if (ro.getRoomid() == id) {
            return ro;
        }
    }
    return null;
}

public static Reservation getdetails(int reservationid) {
    for (Reservation res : reservations) {
        if (res.getReservationId() == reservationid) {
            return res;
        }
    }
    return null;
}

public static void checkOutBilling(Scanner sc) {
    System.out.println("---- Check-out Billing ----");
    System.out.print("Enter Reservation ID: ");
    int r_id = sc.nextInt();

    Reservation res = getdetails(r_id);
    if (res == null) {
        System.out.println("Invalid Reservation ID.");
        return;
    }

    System.out.print("Enter Room ID: ");
    int id = sc.nextInt();

    Room room = returnobject(id);
    if (room == null) {
        System.out.println("Invalid Room ID.");
        return;
    }

   

    System.out.println("Room ID: " + id);
    System.out.println("Room Type: " + room.getRoomtype());
    System.out.println("Check-in Date: " + res.getCheckin());
    System.out.println("Check-out Date: " + res.getCheckout());
    System.out.print("Enter number of days: ");
    int days = sc.nextInt();
    double totalAmount = room.getPrice() * days;
    System.out.println("Total Amount: $" + totalAmount);
    System.out.println("1. PayBill");
    System.out.println("2. Cancel");
    int ch=sc.nextInt();
    switch(ch) {
    case 1:
    {
    	payBill(sc);
    	roomSetter(id); // Set room as available
    	break;
    }
    case 2:{
    	userPage(sc);
    	break;
    }
    default:
        System.out.println("Invalid option. Please try again.");
        break;
    }
}

// User Story 10: Bill Payment
public static void payBill(Scanner sc) {
    System.out.println("---- Bill Payment ----");
    // For simplicity, let's assume the service amount is fixed
    double serviceAmount = 500.0;
    System.out.println("Service Amount: $" + serviceAmount);

    System.out.println("Select Payment Method: ");
    System.out.println("1. Debit Card");
    System.out.println("2. Credit Card");
    int paymentOption = sc.nextInt();

    if (paymentOption == 1 || paymentOption == 2) {
        sc.nextLine(); // Consume newline
        System.out.print("Enter Card Holder Name: ");
        String cardHolderName = sc.nextLine();

        System.out.print("Enter Card Number: ");
        String cardNumber = sc.nextLine();
        if (cardNumber.length() != 16) {
            System.out.println("Invalid Card Number. It must be 16 digits.");
            return;
        }

        System.out.print("Enter CVV: ");
        String cvv = sc.nextLine();
        if (cvv.length() != 3) {
            System.out.println("Invalid CVV. Please try again.");
            return;
        }

        System.out.print("Enter Expiry Date (MM/YY): ");
        String expiryDate = sc.nextLine();

        // Simulate payment processing
        System.out.println("Processing payment...");

        // Payment successful
        System.out.println("Payment Successful!");

        // Display invoice
        System.out.println("---- Payment Invoice ----");
        System.out.println("Card Holder Name: " + cardHolderName);
        System.out.println("Service Amount: $" + serviceAmount);
        System.out.println("Payment Method: " + (paymentOption == 1 ? "Debit Card" : "Credit Card"));
        System.out.println("Card Number: **** **** **** " + cardNumber.substring(cardNumber.length() - 4));
        System.out.println("Transaction Status: Successful");
        System.out.println("------");
    } else {
        System.out.println("Invalid Payment Option.");
    }
}

// User Story 11: Book hotel services (Admin)
// - Add new Booking -
public static void addBooking(Scanner sc) {
    System.out.println("---- Add New Booking ----");

    // Auto-generate Booking ID
    int bookingID = bookingCounter++;

    // Input Room Type Selection
    System.out.print("Enter Room Type (Single/Double): ");
    String roomTypeSelection = sc.next();

    // Validate Room Type
    if (!roomTypeSelection.equalsIgnoreCase("Single") && !roomTypeSelection.equalsIgnoreCase("Double")) {
        System.out.println("Invalid Room Type. Please enter Single or Double.");
        return;
    }

    // Input Booking Details
    System.out.print("Enter Booking Details: ");
    sc.nextLine(); // Consume newline
    String bookingDetails = sc.nextLine();

    // Input Price
    System.out.print("Enter Price: ");
    double price = sc.nextDouble();

    // Create a new booking and add it to the list
    BookingHotel booking = new BookingHotel(bookingID, roomTypeSelection, bookingDetails, price);
    bookings.add(booking);

    // Display success message
    System.out.println("Successfully registered Booking: " + bookingID);
}

// - Update Booking -
public static void updateBooking(Scanner sc) {
    System.out.println("---- Update Booking ----");

    // Input Booking ID to update
    System.out.print("Enter Booking ID to update: ");
    int bookingID = sc.nextInt();

    // Find the booking
    for (BookingHotel booking : bookings) {
        if (booking.getBookingID() == bookingID) {
            // Input new Room Type
            System.out.print("Enter new Room Type (Single/Double): ");
            String newRoomType = sc.next();

            // Validate Room Type
            if (!newRoomType.equalsIgnoreCase("Single") && !newRoomType.equalsIgnoreCase("Double")) {
                System.out.println("Invalid Room Type. Please enter Single or Double.");
                return;
            }

            // Update Room Type
            booking.setRoomTypeSelection(newRoomType);
            System.out.println("Booking details are updated for Booking ID: " + bookingID);
            return;
        }
    }

    // If booking not found
    System.out.println("Booking ID not found.");
}

// - Delete Booking -
public static void deleteBooking(Scanner sc) {
    System.out.println("---- Delete Booking ----");

    // Input Booking ID to delete
    System.out.print("Enter Booking ID to delete: ");
    int bookingID = sc.nextInt();

    // Find and remove the booking
    for (int i = 0; i < bookings.size(); i++) {
        if (bookings.get(i).getBookingID() == bookingID) {
            bookings.remove(i);
            System.out.println("Booking details are deleted for Booking ID: " + bookingID);
            return;
        }
    }

    // If booking not found
    System.out.println("Booking ID not found.");
}

// Admin Menu Option 1: Booking Hotel Services
public static void bookHotelServices(Scanner sc) {
    boolean exit = false;
    while (!exit) {
        System.out.println("----- Booking Services Menu -----");
        System.out.println("1. Add New Booking");
        System.out.println("2. Update Booking");
        System.out.println("3. Delete Booking");
        System.out.println("4. Back to Admin Page");
        System.out.print("Choose an option: ");
        int option = sc.nextInt();

        switch (option) {
            case 1:
                addBooking(sc);  // Call method to add booking
                break;
            case 2:
                updateBooking(sc);  // Call method to update booking
                break;
            case 3:
                deleteBooking(sc);  // Call method to delete booking
                break;
            case 4:
                exit = true;  // Exit to admin page
                break;
            default:
                System.out.println("Invalid option. Please try again.");
                break;
        }
    }
}

// User Story 13: View booking history (Admin)
public static void viewBookingHistoryAdmin() {
    System.out.println("---- Booking History ----");
    for (BookingHistory history : bookingHistories) {
        System.out.println(history);
    }
}

// User Story 14: View booking history by ID (Admin)
public static void viewBookingHistoryByID(Scanner sc) {
    System.out.println("---- View Booking History by ID ----");
    System.out.print("Enter Reservation ID: ");
    int reservationId = sc.nextInt();
    for (BookingHistory history : bookingHistories) {
        if (history.getReservationId() == reservationId) {
            System.out.println(history);
            return;
        }
    }
    System.out.println("No booking history found for the given ID.");
}

// User Story 15: View check-out billing invoice (Admin)
public static void viewCheckOutBillingInvoice(Scanner sc) {
    System.out.println("---- Check-out Billing Invoice ----");
    System.out.print("Enter Reservation ID: ");
    int r_id = sc.nextInt();

    Reservation res = getdetails(r_id);
    if (res == null) {
        System.out.println("Invalid Reservation ID.");
        return;
    }

    System.out.print("Enter Room ID: ");
    int id = sc.nextInt();

    Room room = returnobject(id);
    if (room == null) {
        System.out.println("Invalid Room ID.");
        return;
    }

    System.out.println("Room ID: " + id);
    System.out.println("Room Type: " + room.getRoomtype());
    System.out.println("Check-in Date: " + res.getCheckin());
    System.out.println("Check-out Date: " + res.getCheckout());
    System.out.print("Enter number of days: ");
    int days = sc.nextInt();
    double totalAmount = room.getPrice() * days;
    System.out.println("Total Amount: $" + totalAmount);
}



// User Story 12: View complaints (Admin)
public static void viewComplaints() {
    System.out.println("---- All Complaints ----");
    for (Complaint complaint : complaints) {
        System.out.println(complaint);
    }
}

}