import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Scanner;

public class DriverClass {

	public static void main(String[] args) throws IOException, ClassNotFoundException {
		int choice = 0;
		String username, password;
		FacebookUser fu0;
		try {
			fu0 = FacebookUser.readFile();
		} catch (FileNotFoundException e) {
			fu0 = new FacebookUser("Robert", "password1");
		}
		while (choice != 9) {
			System.out.println(
					"1. List Users \n2. Add a User \n3. Delete a User \n4. Get Password Hint \n5. Add Friend \n6. Delete Friend \n7. List Friends \n8. Recommend Friends \n9. Quit");
			Scanner s = new Scanner(System.in);
			choice = s.nextInt();

			switch (choice) {
			case 1:
				System.out.println(fu0.getFriends());
				break;
			case 2:
				System.out.println("Username: ");
				s.nextLine();
				username = s.nextLine();
				fu0.friend(username);
				break;
			case 3:
				System.out.println("Username: ");
				s.nextLine();
				username = s.nextLine();
				fu0.defriend(username);
				break;
			case 4:
				System.out.println("Username: ");
				s.nextLine();
				username = s.nextLine();
				fu0.getPasswordHelp(username);
				break;
			case 5:
				System.out.println("Username of user being added to: ");
				s.nextLine();
				username = s.nextLine();
				System.out.println("Password of user being added to: ");
				password = s.nextLine();
				fu0.friend(username, password);
				break;
			case 6:
				System.out.println("Username of user removing friend: ");
				s.nextLine();
				username = s.nextLine();
				System.out.println("Password of user removing friend: ");
				password = s.nextLine();
				fu0.defriend(username, password);
				break;
			case 7:
				System.out.println("Username: ");
				s.nextLine();
				username = s.nextLine();
				System.out.println("Password: ");
				password = s.nextLine();
				fu0.listFriends(username, password);
				break;
			case 8:
				System.out.println("Username: ");
				s.nextLine();
				username = s.nextLine();
				System.out.println(fu0.getRecommendations(username));
				break;
			case 9:
				FacebookUser.writeToFile(fu0);
				break;
			}
		}
	}

}