package org.mercury_im.messenger.core.repository;

import org.mercury_im.messenger.core.entity.contact.Contact;
import org.mercury_im.messenger.core.util.Optional;

import java.util.List;

import io.reactivex.Completable;
import io.reactivex.Maybe;
import io.reactivex.Observable;
import io.reactivex.Single;

public interface ContactRepository {

    Single<Contact> insertContact(Contact contact);

    Observable<Optional<Contact>> observeContact(long contactId);

    Maybe<Contact> getContact(long contactId);

    Observable<Optional<Contact>> observeContactByAddress(String address);

    Maybe<Contact> getContactByAddress(String address);

    Observable<List<Contact>> observeAllContacts();

    Single<Contact> updateContact(Contact contact);

    Single<Contact> upsertContact(Contact contact);

    Completable deleteContact(Contact contact);
}