//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
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//

package com.cloud.util;

import com.cloud.dc.Vlan;
import com.cloud.dc.VlanDetailsVO;
import com.cloud.dc.dao.VlanDetailsDao;
import com.cloud.network.manager.NuageVspManager;
import com.cloud.utils.StringUtils;

import net.nuage.vsp.acs.client.common.model.Pair;
import org.apache.commons.codec.binary.Base64;

public class NuageVspUtil {

    public static String encodePassword(String originalPassword) {
        byte[] passwordBytes = originalPassword.getBytes(StringUtils.getPreferredCharset());
        byte[] encodedPasswordBytes = Base64.encodeBase64(passwordBytes);
        return new String(encodedPasswordBytes, StringUtils.getPreferredCharset());
    }

    public static String decodePassword(String encodedPassword) {
        byte[] encodedPasswordBytes = encodedPassword.getBytes(StringUtils.getPreferredCharset());
        byte[] passwordBytes = Base64.decodeBase64(encodedPasswordBytes);
        return new String(passwordBytes, StringUtils.getPreferredCharset());
    }

    public static boolean isUnderlayEnabledForVlan(VlanDetailsDao vlanDetailsDao, Vlan vlan) {
        VlanDetailsVO nuageUnderlayDetail = vlanDetailsDao.findDetail(vlan.getId(), NuageVspManager.nuageUnderlayVlanIpRangeDetailKey);
        return nuageUnderlayDetail != null && nuageUnderlayDetail.getValue().equalsIgnoreCase(String.valueOf(true));
    }

    public static Pair<String, String> getIpAddressRange(Vlan vlan) {
        boolean isIpv4 = StringUtils.isNotBlank(vlan.getIpRange());
        String[] range = isIpv4 ? vlan.getIpRange().split("-") : vlan.getIp6Range().split("-");
        if (range.length == 2) {
            return Pair.of(range[0], range[1]);
        }
        return null;
    }
}