import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Scanner;


class Contact implements Serializable {

	private static final long serialVersionUID = 1L;
	private String name;
	private String surname;
	private String phoneNumber;
	private String email;


	public Contact(String name, String surname, String phoneNumber, String email) {
		this.name = name;
		this.surname = surname;
		this.phoneNumber = phoneNumber;
		this.email = email;
	}
	public String getFullName() {
		return name + " " + surname;
	}
	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getSurname() {
		return surname;
	}

	public void setSurname(String surname) {
		this.surname = surname;
	}

	public String getPhoneNumber() {
		return phoneNumber;
	}

	public void setPhonenumber(String phoneNumber) {
		this.phoneNumber = phoneNumber;
	}

	public String getEmail() {
		return email;
	}

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

	@Override
	public String toString() {
		return "Contact [name=" + name + ", surname=" + surname + ", phoneNumber=" + phoneNumber + ", email=" + email
				+ "]";
	}

}

public class AdressBook {
	public static AdressBook instance;
	private ArrayList<Contact> contacts;
	private Scanner scanner;

	public static void main(String[] args) throws ClassNotFoundException {
		instance = new AdressBook();
		instance.init();
		instance.run();
	}

	private void init() throws ClassNotFoundException {

		contacts = new ArrayList<Contact>();

		 try
	        {
	            // load from file
	            FileInputStream fileInput = new FileInputStream("src/adressbook.txt");
	            ObjectInputStream objectInput = new ObjectInputStream(fileInput);
	            objectInput.readObject();
	            objectInput.close();
	            fileInput.close();
	        }
	        catch (IOException e)
	        {
	            // no file
	            e.printStackTrace();
	        }

		scanner = new Scanner(System.in);
	}

	private void run() {
		System.out.println("What do you want to do?");
		System.out.println("1-add contact");
		System.out.println("2-search contacts");
		System.out.println("3-edit contacts");
		System.out.println("4-list contacts");
		System.out.println("5-delete contact");
		System.out.println("6-quit");

		int option = scanner.nextInt();
		switch (option) {
		case 1:
			addContact();
			break;
		case 2:
			searchContacts();
			break;
		case 3:
			editContacts();
			break;
		case 4:
			listContacts();
			break;
		case 5:
			deleteContact();
			break;
		case 6:
			System.exit(0);
		default:
			System.out.println("Error");
			break;
		}

		 // save to file
        try
        {
            FileOutputStream fileOutput = new FileOutputStream("src/adressbook.txt");
            ObjectOutputStream objectOutput = new ObjectOutputStream(fileOutput);
            objectOutput.writeObject(contacts);
            objectOutput.close();
            fileOutput.close();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }

	}

	private void addContact() {
		System.out.println("Name:");
		String name = scanner.next();
		System.out.println("Surname:");
		String surname = scanner.next();
		System.out.println("phonenumber:");
		String phoneNumber = scanner.next();
		System.out.println("email:");
		String email = scanner.next();
		contacts.add(new Contact(name,surname,phoneNumber,email));

		instance.run();
	}

	private void searchContacts() {
		System.out.println("Search by (1)name (2)surname (3)phone number :");
		int option2 = scanner.nextInt();

		switch (option2) {
		case 1:
			if (option2 == 1)
			for(int i=0; i != contacts.size(); i++) {
				if (contacts.get(i).getName().equals(scanner.next()))
						System.out.println(contacts.get(i));
						instance.run();
			}
		case 2:
			if (option2 == 2)
				for(int i=0; i != contacts.size(); i++) {
					if (contacts.get(i).getSurname().equals(scanner.next()))
							System.out.println(contacts.get(i));
							instance.run();
				}
		case 3:
			if (option2 == 3)
				for(int i=0; i != contacts.size(); i++) {
					if (contacts.get(i).getPhoneNumber().equals(scanner.next()))
							System.out.println(contacts.get(i));
							instance.run();
				}
		}
	}

	private void editContacts() {
		//todo
	}

	private void listContacts() {
		for (Contact current : contacts) {
			System.out.println(current);
		}
		System.out.println();
		instance.run();
	}

	private void deleteContact() {
		System.out.println("REMOVE BY FULL NAME ONLY: ");
		scanner.nextLine();
		for (int i=0; i<contacts.size(); i++)
			if(contacts.get(i).getFullName().equals(scanner.nextLine()))
				contacts.remove(i);
		instance.run();
	}
}