package org.mercury_im.messenger.core.crypto.ikey;

import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smackx.ikey.IkeyManager;
import org.jivesoftware.smackx.ikey_ox.OxIkeyManager;
import org.jivesoftware.smackx.ox.OpenPgpSecretKeyBackupPassphrase;
import org.jivesoftware.smackx.pubsub.PubSubException;
import org.mercury_im.messenger.core.SchedulersFacade;
import org.mercury_im.messenger.core.connection.MercuryConnection;
import org.pgpainless.PGPainless;
import org.pgpainless.key.collection.PGPKeyRing;

import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;

import javax.inject.Inject;

public class MercuryIkeyManager {

    private final IkeyRepository ikeyRepository;
    private final SchedulersFacade schedulers;

    @Inject
    public MercuryIkeyManager(IkeyRepository ikeyRepository, SchedulersFacade schedulers) {
        this.ikeyRepository = ikeyRepository;
        this.schedulers = schedulers;
    }

    public void initFor(MercuryConnection connection)
            throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, PGPException,
            InterruptedException, SmackException.NoResponseException,
            SmackException.NotConnectedException, SmackException.FeatureNotSupportedException,
            XMPPException.XMPPErrorException, PubSubException.NotALeafNodeException, IOException {
        IkeyManager ikeyManager = IkeyManager.getInstanceFor(connection.getConnection());

        // bind repo to store
        IkeyStoreAdapter store = new IkeyStoreAdapter(connection.getAccountId(), ikeyRepository, schedulers);
        ikeyManager.setStore(store);

        PGPSecretKeyRing ikey = store.loadSecretKey();
        if (ikey == null) {
            PGPKeyRing keyRing = PGPainless.generateKeyRing().simpleEcKeyRing("xmpp:" + connection.getAccount().getAddress());
            store.storeSecretKey(keyRing.getSecretKeys());
        }

        OxIkeyManager oxIkeyManager = OxIkeyManager.getInstanceFor(connection.getConnection());
        OpenPgpSecretKeyBackupPassphrase passphrase = oxIkeyManager.depositSecretIdentityKey(ikey);

    }
}