/*
 * Nextcloud Talk application
 *
 * @author Tobias Kaminsky
 * Copyright (C) 2020 Tobias Kaminsky <tobias.kaminsky@nextcloud.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.nextcloud.talk.utils;


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 Authenticator authenticator = null;

    private static class Authenticator extends AbstractAccountAuthenticator {
        public Authenticator(Context context) {
            super(context);
        }

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

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