import java.io.*;
import java.util.*;

public class Room {
	private int numOfBeds;
	private Guest[] allGuests;
	private int numOfGuests;

	public Room(int numOfBeds) {
		this.numOfBeds = numOfBeds;
		this.allGuests = new Guest[numOfBeds];
		this.numOfGuests = 0;
	}

	public Room(Room otherRoom) {
		this.numOfBeds = otherRoom.getNumOfBeds();
		this.allGuests = new Guest[this.numOfBeds];
		for (int i = 0; i < otherRoom.getNumOfGuests(); i++) {
			this.allGuests[i] = new Guest(otherRoom.allGuests[i]);
		}
	}

	public Room(String fileName) throws FileNotFoundException {
		File f = new File(fileName);
		Scanner sc = new Scanner(f);
		this.numOfBeds = sc.nextInt();
		this.numOfGuests = sc.nextInt();
		this.allGuests = new Guest[this.numOfBeds];
		for (int i = 0; i < this.getNumOfGuests(); i++) {
			this.allGuests[i] = new Guest(sc);
		}
		sc.close();
	}

	public Room(Scanner sc) throws FileNotFoundException {
		this.numOfBeds = sc.nextInt();
		this.numOfGuests = sc.nextInt();
		this.allGuests = new Guest[this.numOfBeds];
		for (int i = 0; i < this.getNumOfGuests(); i++) {
			this.allGuests[i] = new Guest(sc);
		}
	}

	public int getNumOfBeds() {
		return this.numOfBeds;
	}

	public int getNumOfGuests() {
		return this.numOfGuests;
	}

	public void setNumOfGuests(int number) {
		this.numOfGuests = number;
	}

	public Guest[] getGuests() {
		return this.allGuests;
	}

	public void addGuest(Guest guest) {
		this.allGuests[this.numOfGuests] = new Guest(guest);
		this.numOfGuests++;
	}

	public void displayGuest(Guest guest) {
		System.out.println("Name: " + guest.getGuestName());
		System.out.println("Passport ID: " + guest.getPassportNumber());
	}

	public void saveRoom(PrintWriter pw) throws FileNotFoundException {
		pw.println(this.numOfBeds);
		pw.println(this.getNumOfGuests());
		for (int i = 0; i < this.getNumOfGuests(); i++) {
			this.allGuests[i].saveGuest(pw);
		}
	}

	public void saveRoom(String fileName) throws FileNotFoundException {
		File f = new File(fileName);
		PrintWriter pw = new PrintWriter(f);
		pw.println(this.numOfBeds);
		pw.println(this.numOfGuests);
		for (int i = 0; i < this.numOfGuests; i++) {
			this.allGuests[i].saveGuest(pw);
		}
		pw.close();
	}
}