User.java

package application;

import java.io.Serializable;
import java.util.*;
import java.time.LocalDate;
import java.time.Period;

public class User implements Serializable {
    private String username;
    private String password;
    private String email;
    private String phoneNumber;
    private userInfo info;
    private userFriends friends;
    private LocalDate birthday;
    private int id;

    public User(String username, String password, String email, String phoneNumber, LocalDate birthdayDate, int id) {
        this.username = username;
        this.password = password;
        this.email = email;
        this.phoneNumber = phoneNumber;
        this.id = id;
        this.info = new userInfo();
        this.friends = new userFriends();
        this.birthday = birthdayDate;
    }

    // Getters and setters 
    public String getUsername() {
        return username;
    }
    
    public int getId() {
    	return id;
    }
    
    public LocalDate getBirthday() {
        return birthday;
    }
    
    public int getAge() {
    	if (birthday != null) {
        return Period.between(birthday, LocalDate.now()).getYears();
    	} else {
			return 0;
		}
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

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

    public String getEmail() {
        return email;
    }

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

    public String getPhoneNumber() {
        return phoneNumber;
    }

    public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }
    
    public void setBirthday(LocalDate birthday) {
        this.birthday = birthday;
    }
    
    public void displayInfo() {
    	System.out.println("Username: " + this.username);
    	System.out.println("Name: " + info.getName());
    	System.out.println("Id: " + this.id);
    	System.out.println("Birthday: " + this.getBirthday());
    	System.out.println("Age: " + this.getAge());
    	System.out.println("Gender: " + info.getGender());
    	System.out.println("Job(s): " + info.printArraylist(info.getJobs()));
    	System.out.println("Hobbies: " + info.printArraylist(info.getHobbies()));
    }
    
    public void displayInfo2(User currentUser) {
    	System.out.println("Username: " + this.username);
    	System.out.println("Name: " + info.getName());
    	System.out.println("Id: " + this.id);
    	System.out.println("Birthday: " + this.getBirthday());
    	System.out.println("Age: " + this.getAge());
    	System.out.println("Gender: " + info.getGender());
    	System.out.println("Job(s): " + info.printArraylist(info.getJobs()));
    	System.out.println("Hobbies: " + info.printArraylist(info.getHobbies()));
    	System.out.println("Mutual friend(s): " + friends.mutualFriends(currentUser).size());
    	System.out.print("List of Mutual Friends: ");
    	for (User user: friends.mutualFriends(currentUser)) {
			System.out.print(user.getUsername() + " ");
		}
    	System.out.println("");
    	
    }
    
    public void setInfo() {
    	Scanner sc = new Scanner(System.in);
    	System.out.println("Enter to skip");
    	
    	System.out.print("Name: ");
    	String name = sc.nextLine();
    	if (!name.isBlank()) {
    		info.setName(name);
    	}
    	
    	System.out.print("Gender: ");
    	String gender = sc.nextLine();
    	if (!gender.isBlank()) {
    		info.setGender(gender);
    	}
    	
    	System.out.print("Address: ");
    	String address = sc.nextLine();
    	if (!address.isBlank()) {
    		info.setAddress(address);
    	}
    	
    	System.out.print("School: ");
    	String School = sc.nextLine();
    	if (!School.isBlank()) {
    		info.setSchool(School);
    	}
    	
    	System.out.print("Relationship status: ");
    	String status = sc.nextLine();
    	if (!status.isBlank()) {
    		info.setRelationshipStatus(status);
    	}
    	
    	System.out.print("Jobs (separate with ,): ");
    	String jobs = sc.nextLine();
    	if (!jobs.isBlank()) {
    		String[] job = jobs.split(",");
    		info.setJobs(job);
    	}
    	
    	System.out.print("Hobbies (separate with ,): ");
    	String hobbies = sc.nextLine();
    	if (!hobbies.isBlank()) {
    		String[] hob = hobbies.split(",");
    		info.setHobbies(hob);
    	}
    	
    }
    
    public void updateFriend() {
    	int numofFriend = friends.getFriends().size();
    	info.updateFriends(numofFriend);
    }
    
    public boolean isFriend(User user) {
    	return friends.checkifFriend(user);
    }
    
    public void addFriend(User user) {
    	if (!isFriend(user)) {
    	friends.addFriends(user);
    	user.friends.addFriends(this);
    	System.out.printf("Successfully sent a friend request to %s\n", user.getUsername());
    	} else {
			System.out.println("Already a friend");
		}
    }
    
    public void removeFriend(User user) {
    	if (isFriend(user)) {
    		removeFriend(user);
    		user.removeFriend(this);
    		updateFriend();
    		user.updateFriend();
    		System.out.printf("%s successfully removed as a friend\n", user.getUsername());
    	} else {
    		System.out.printf("%s is not your friend\n", user.getUsername());
		}
    }
    
    public void seePending() {
    	Scanner scanner = new Scanner(System.in);
    	for (User user: friends.getPending()) {
    		System.out.println(user.getUsername());
    	}
    	System.out.println("Which user do you want to interact with?");
    	int toInteract = scanner.nextInt() - 1;
    	if (toInteract > friends.getPending().size()) {
    		System.out.println("Invalid index");
    	} else {
			System.out.println("1 to accept, 2 to decline");
			int action = scanner.nextInt();
			switch (action) {
			case 1: 
				acceptFriend(friends.getPending().get(toInteract));
				break;
			case 2:
				declineFriend(friends.getPending().get(toInteract));
				break;
			default:
				System.out.println("type 1 or 2 only");
			}
		}
    	
    }
    
    
    public void acceptFriend(User user) {
    	friends.acceptFriend(user);
    	user.friends.acceptFriend(this);
    	updateFriend();
    	user.updateFriend();
    }
    
    public void declineFriend(User user) {
    	friends.declineFriend(user);
    	user.friends.declineFriend(this);
    }
    
    public userFriends getFriends() {
		return friends;
	}
    
    public void getFriendSuggestion(ArrayList<User> UsersList) {
    	System.out.println("Lists of suggested friends: ");
    	int amount = 0;
    	for(User user : friends.suggestedFriends(UsersList, this)) {
    		System.out.println(user.getUsername() + ": " + friends.mutualFriends(user).size());
    		if (amount == 5) {
				break;
			}
    		amount++;
    	}
    	if (amount == 0) {
			System.out.println("No suggested friends found");
		}
    }
}