НП ЛБ2

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

//------------------------------------------------
//EXCEPTIONS

@SuppressWarnings("serial")
class InvalidNumberException extends Exception {
    public InvalidNumberException (String number) {
    super("This is not a valid number: "+ number);
    }
}

@SuppressWarnings("serial")
class MissingEssentialInformationException extends Exception {
    public MissingEssentialInformationException(String razlog){
        super(razlog);
    }
}

@SuppressWarnings("serial")
class ContactAlreadyExsistsException extends Exception {
    public ContactAlreadyExsistsException(String name){
        super("Vekje postoi kontakt so ime '" + name + "' i preklopuvacki broj!");
    }
}

//END EXCEPTIONS
//-------------------------------------------------


//CLASS ADDRESS -----------------------------------
class Address {
    String ulica;
    String broj;
    String grad;
    String drzava;

    public Address(){
        ulica = "";
        broj = "";
        grad = "";
        drzava = "";
    }

    public Address(String ulica, String broj, String grad, String drzava){
        this.ulica = ulica;
        this.broj = broj;
        this.grad = grad;
        this.drzava = drzava;
    }

    @Override
    public String toString(){
        return "Ulica: " + this.ulica + ", Broj: " + this.broj + ", Grad: " + this.grad + ", Drzava: " + this.drzava;
    }

}
//END CLASS ADDRESS -----------------------------------

//CLASS PHONENUMBER -----------------------------------
class PhoneNumber{
    String number;

    public PhoneNumber(){
        number = "";
    }

    public PhoneNumber(String number) throws InvalidNumberException{
        if(number.equals("")) this.number = "";
        else {
        for(int i=0;i<number.length();i++){
            if(!Character.isDigit(number.charAt(i)))
                throw new InvalidNumberException(number);
        }
        this.number = number;
        }
    }

    public String getPhoneNumber(){
        return this.number;
    }

    public void setPhoneNumber(String number) throws InvalidNumberException{
        for(int i=0;i<number.length();i++){
            if(!Character.isDigit(number.charAt(i)))
                throw new InvalidNumberException(number);
        }
        this.number = number;
    }

    @Override
    public String toString(){
        return this.number;
    }


}
//END CLASS PHONENUMBER -----------------------------------

//CLASS CONTACT -----------------------------------

class Contact{

    String ime;
    String prezime;
    Address adresa;
    PhoneNumber domasen;
    PhoneNumber mobilen;
    PhoneNumber drug;
    String email;

    public Contact(String ime, String prezime, Address adresa, PhoneNumber domasen, PhoneNumber mobilen, PhoneNumber drug,  String email) throws MissingEssentialInformationException {
        this.ime = ime;
        this.prezime = prezime;
        if((this.ime.equals(""))&&(this.prezime.equals("")))
            throw new MissingEssentialInformationException("Mora da e specificirano bar ime ILI bar prezime");
        this.adresa = adresa;

        if(domasen == null)
            try {
                this.domasen = new PhoneNumber("");
            } catch (InvalidNumberException e) {
                System.out.println("OPA: " + e.getMessage());
            }
        else this.domasen = domasen;

        if(mobilen == null)
            try {
                this.mobilen = new PhoneNumber("");
            } catch (InvalidNumberException e) {
                System.out.println("OPA: " + e.getMessage());
            }
        else this.mobilen = mobilen;

        if(drug == null)
            try {
                this.drug = new PhoneNumber("");
            } catch (InvalidNumberException e) {
                System.out.println("OPA: " + e.getMessage());
            }
        else this.drug = drug;
        if((this.domasen.getPhoneNumber().equals(""))&&(this.mobilen.getPhoneNumber().equals(""))&&(this.drug.getPhoneNumber().equals("")))
            throw new MissingEssentialInformationException("Mora da e specificiran bar eden telefonski broj");
        this.email = email;
    }

    @Override
    public String toString(){
        String finalno = "";
        if(!(this.ime.equals(""))) finalno += "Ime: " + this.ime;
        if(!(this.prezime.equals(""))) finalno += "\nPrezime: " + this.prezime;
        finalno += "\nAdresa: " + this.adresa;
        if(!(this.domasen.getPhoneNumber().equals(""))) finalno += "\nDomasen: " + this.domasen;
        if(!(this.mobilen.getPhoneNumber().equals(""))) finalno += "\nMobilen: " + this.mobilen;
        if(!(this.drug.getPhoneNumber().equals(""))) finalno += "\nDrug: " + this.drug;
        if(!(this.email.equals(""))) finalno += "\nEmail: " + this.email;
        finalno += "\n ---------------------------";
        return finalno;
        }


}


//END CLASS CONTACT -----------------------------------





//CLASS PHONEBOOK -----------------------------------

class Phonebook {
    Contact [] kontakti;
    int brojNaKontakti;

    public Phonebook(){
        kontakti = new Contact[100];
        brojNaKontakti = 0;
    }

    public void sort(){
        for(int j = 0; j < brojNaKontakti; j++) {
            for(int i = j + 1; i < brojNaKontakti; i++) {
                String imeprezime1 = kontakti[i].prezime + kontakti[i].ime;
                String imeprezime2 = kontakti[j].prezime + kontakti[j].ime;
                if(imeprezime1.toLowerCase().compareTo(imeprezime2.toLowerCase()) < 0) {
                Contact t = kontakti[j];
                kontakti[j] = kontakti[i];
                kontakti[i] = t;
                }
            }
        }
    }

    public void addContact(Contact kontakt) throws ContactAlreadyExsistsException{
        boolean merged = false;
        for(int i=0;i<brojNaKontakti;i++){
            if((kontakti[i].ime.equals(kontakt.ime))&&(kontakti[i].prezime.equals(kontakt.prezime))&&
                    (kontakti[i].adresa.equals(kontakt.adresa)))
            {

                if(!mergeContacts(kontakti[i], kontakt)) throw new ContactAlreadyExsistsException(kontakt.ime);
                merged = true;
                break;
            }

        }

        if(!merged){
            kontakti[brojNaKontakti] = kontakt;
            brojNaKontakti++;
        }


    }

    public boolean mergeContacts(Contact a, Contact b){

        if(!(a.domasen.getPhoneNumber().equals(""))&&!(b.domasen.getPhoneNumber().equals(""))) return false;
        if(!(a.mobilen.getPhoneNumber().equals(""))&&!(b.mobilen.getPhoneNumber().equals(""))) return false;
        if(!(a.drug.getPhoneNumber().equals(""))&&!(b.drug.getPhoneNumber().equals(""))) return false;

        if(a.domasen.getPhoneNumber().equals("")) a.domasen = b.domasen;
        if(a.mobilen.getPhoneNumber().equals("")) a.mobilen = b.mobilen;
        if(a.drug.getPhoneNumber().equals("")) a.drug = b.drug;
        return true;
    }

    public void display(){
        this.sort();
        for(int i=0;i<brojNaKontakti;i++){
            System.out.println(kontakti[i]);
        }
        System.out.println("----- Z END ------");
    }

    public Contact[] searchContactByName(String query){
        Contact [] rezultati = new Contact[100];
        int brojNaRezultati = 0;

        for(int i=0;i<this.brojNaKontakti;i++){
            if((kontakti[i].ime.toLowerCase().contains(query.toLowerCase()))||(kontakti[i].prezime.toLowerCase().contains(query.toLowerCase())))
                {
                rezultati[brojNaRezultati] = kontakti[i];
                brojNaRezultati++;
                }

        }

        Contact [] rezultatifinal = new Contact[brojNaRezultati];

        for(int i=0;i<brojNaRezultati;i++){
            rezultatifinal[i] = rezultati[i];
        }

        return rezultatifinal;
    }

    public Contact[] searchContactByNumber(String query){
        Contact [] rezultati = new Contact[100];
        int brojNaRezultati = 0;

        for(int i=0;i<this.brojNaKontakti;i++){
            if((kontakti[i].domasen.getPhoneNumber().equals(query))||(kontakti[i].mobilen.getPhoneNumber().equals(query))||(kontakti[i].drug.getPhoneNumber().equals(query)))
                {
                rezultati[brojNaRezultati] = kontakti[i];
                brojNaRezultati++;
                }

        }

        Contact [] rezultatifinal = new Contact[brojNaRezultati];

        for(int i=0;i<brojNaRezultati;i++){
            rezultatifinal[i] = rezultati[i];
        }

        return rezultatifinal;
    }

    public void removeContact(Contact a){
        for(int i=0;i<brojNaKontakti;i++){
            if((kontakti[i].ime.equals(a.ime))&&(kontakti[i].prezime.equals(a.prezime))&&
                    (kontakti[i].adresa.equals(a.adresa)))
            {
                for(int j=i;j<brojNaKontakti-1;j++){
                    kontakti[j] = kontakti[j+1];
                }
                kontakti[brojNaKontakti] = null;
                brojNaKontakti--;
            }

        }
    }

    public void saveToFile(String filename){
        PrintWriter printWriter = null ;
        try {
            printWriter = new PrintWriter (new FileWriter(filename));
            for (Contact kontakt : kontakti) {
            if(kontakt==null) break;
            printWriter.println(kontakt.ime+","+kontakt.prezime+","+kontakt.adresa.ulica+","+kontakt.adresa.broj+","+kontakt.adresa.grad+","+kontakt.adresa.drzava+","+kontakt.domasen.getPhoneNumber()+","+kontakt.mobilen.getPhoneNumber()+","+kontakt.drug.getPhoneNumber()+","+kontakt.email);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            printWriter.close();
        }

    }

    public void importFromFile(String filename) throws MissingEssentialInformationException, InvalidNumberException, ContactAlreadyExsistsException{
        Scanner scanner = new Scanner(System.in);
        BufferedReader fileReader = null;

        try {
            fileReader = new BufferedReader(new FileReader(filename));
            String line = null ;
            while ((line = fileReader.readLine())!= null) {
                String [] parts = line.split(",");
                String [] delovi = new String[10];
                int i;
                for(i = 0 ; i<parts.length;i++){
                    delovi[i] = parts[i];
                }
                while(i<delovi.length){
                    delovi[i] = "";
                    i++;
                }
                Address adresa = new Address(delovi[2], delovi[3], delovi[4], delovi[5]);
                Contact kontakt = new Contact(delovi[0], delovi[1], adresa, new PhoneNumber(delovi[6]), new PhoneNumber(delovi[7]), new PhoneNumber(delovi[8]), delovi[9]);
                this.addContact(kontakt);
            }
        } catch (IOException e) {
            e.printStackTrace ();
        } finally {
            try {
                fileReader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }

    public void loadFromFile(String filename) throws MissingEssentialInformationException, InvalidNumberException, ContactAlreadyExsistsException{
        Scanner scanner = new Scanner(System.in);
        BufferedReader fileReader = null;
        Phonebook tmpkniga = new Phonebook();
        try {
            fileReader = new BufferedReader(new FileReader(filename));
            String line = null ;
            while ((line = fileReader.readLine())!= null) {
                String [] parts = line.split(",");
                String [] delovi = new String[10];
                int i;
                for(i = 0 ; i<parts.length;i++){
                    delovi[i] = parts[i];
                }
                while(i<delovi.length){
                    delovi[i] = "";
                    i++;
                }
                Address adresa = new Address(delovi[2], delovi[3], delovi[4], delovi[5]);
                Contact kontakt = new Contact(delovi[0], delovi[1], adresa, new PhoneNumber(delovi[6]), new PhoneNumber(delovi[7]), new PhoneNumber(delovi[8]), delovi[9]);
                tmpkniga.addContact(kontakt);
            }
        } catch (IOException e) {
            e.printStackTrace ();
        } finally {
            try {
                fileReader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        tmpkniga.display();
    }

}

//END CLASS PHONEBOOK -----------------------------------




public class PhonebookTest {

    public static void main(String[] args) {

        Phonebook kniga = new Phonebook();

        Address Kozle = new Address("Kozle", "51b", "Skopje", "Makedonija");
        Address Meckin  = new Address("Meckin Kamen", "53", "Skopje", "Makedonija");
        try{
        /*Contact Gorjan = new Contact("Gorjan", "Jovanovski", Kozle, new PhoneNumber("38977751563"), null, null, "");
        Contact GorjanLos = new Contact("Gorjan", "Jovanovski", Kozle, new PhoneNumber("38977751563"), null, null, "");
        Contact GorjanDobar = new Contact("Aetre", "Jovanovski", Kozle, null, new PhoneNumber("023085631"), null, "");
        Contact Bojan = new Contact("Bojan", "Janevski", Meckin, null, new PhoneNumber("38977123456"), null, "");
        kniga.addContact(Gorjan);
        kniga.addContact(Bojan);
        //Dodadi poklopuvanje kontakt
        //kniga.addContact(GorjanLos);
        //Dodaj ist kontakt bez poklokuvanje
        kniga.addContact(GorjanDobar);

        //Samo izlistaj gi kontaktite od fajlot
        kniga.loadFromFile("fajl.txt");

        //Vnesi gi vo segasnata biblioteka kontaktite od fajlot
        kniga.importFromFile("fajl.txt");
        kniga.display();

         */
        }
        catch(Exception e){
            System.out.println("Opa Cupa, Exception: " + e.getMessage());
        }
        finally{

        }

        //Generiraj fajl.txt datoteka so kontaktite
        //kniga.saveToFile("fajl.txt");

    }

}