/*
 * This is the source code of Telegram for Android v. 3.x.x.
 * It is licensed under GNU GPL v. 2 or later.
 * You should have received a copy of the license in this archive (see LICENSE).
 *
 * Copyright Nikolai Kudashov, 2013-2017.
 */

package org.telegram.messenger;

import android.accounts.AbstractAccountAuthenticator;
import android.accounts.Account;
import android.accounts.AccountAuthenticatorResponse;
import android.accounts.AccountManager;
import android.accounts.NetworkErrorException;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;

public class AuthenticatorService extends Service {

    private static class Authenticator extends AbstractAccountAuthenticator {
        private final Context context;

        public Authenticator(Context context) {
            super(context);
            this.context = context;
        }

        @Override
        public Bundle addAccount(AccountAuthenticatorResponse response, String accountType, String authTokenType, String[] requiredFeatures, Bundle options)
                throws NetworkErrorException {
            return null;
        }

        @Override
        public Bundle getAccountRemovalAllowed(AccountAuthenticatorResponse response, Account account) throws NetworkErrorException {
            return super.getAccountRemovalAllowed(response, account);
        }

        @Override
        public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account, Bundle options) throws NetworkErrorException {
            return null;
        }

        @Override
        public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) {
            return null;
        }

        @Override
        public Bundle getAuthToken(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle options)
                throws NetworkErrorException {
            return null;
        }

        @Override
        public String getAuthTokenLabel(String authTokenType) {
            return null;
        }

        @Override
        public Bundle hasFeatures(AccountAuthenticatorResponse response,
                                  Account account, String[] features)
                throws NetworkErrorException {
            return null;
        }

        @Override
        public Bundle updateCredentials(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle options)
                throws NetworkErrorException {
            return null;
        }

    }

    private static Authenticator authenticator = null;

    protected Authenticator getAuthenticator() {
        if (authenticator == null) {
            authenticator = new Authenticator(this);
        }
        return authenticator;
    }


    @Override
    public IBinder onBind(Intent intent) {
        if (intent.getAction().equals(AccountManager.ACTION_AUTHENTICATOR_INTENT)) {
            return getAuthenticator().getIBinder();
        } else {
            return null;
        }
    }
}