/**
 *  Copyright (C) 2010 Cloud.com, Inc.  All rights reserved.
 * 
 * This software is licensed under the GNU General Public License v3 or later.
 * 
 * It 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 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.cloud.api.commands;

import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

import com.cloud.api.BaseListCmd;
import com.cloud.api.Implementation;
import com.cloud.api.Parameter;
import com.cloud.api.response.ZoneResponse;
import com.cloud.dc.DataCenterVO;
import com.cloud.serializer.SerializerHelper;
import com.cloud.user.Account;
import com.cloud.user.UserContext;

@Implementation(method="listDataCenters")
public class ListZonesByCmd extends BaseListCmd {
    public static final Logger s_logger = Logger.getLogger(ListZonesByCmd.class.getName());

    private static final String s_name = "listzonesresponse";

    /////////////////////////////////////////////////////
    //////////////// API parameters /////////////////////
    /////////////////////////////////////////////////////

    @Parameter(name="available", type=CommandType.BOOLEAN)
    private Boolean available;

    /////////////////////////////////////////////////////
    /////////////////// Accessors ///////////////////////
    /////////////////////////////////////////////////////

    public Boolean isAvailable() {
        return available;
    }

    /////////////////////////////////////////////////////
    /////////////// API Implementation///////////////////
    /////////////////////////////////////////////////////

    @Override
    public String getName() {
        return s_name;
    }

    @Override @SuppressWarnings("unchecked")
    public String getResponse() {
        List<DataCenterVO> dataCenters = (List<DataCenterVO>)getResponseObject();
        Account account = (Account)UserContext.current().getAccountObject();

        List<ZoneResponse> response = new ArrayList<ZoneResponse>();
        for (DataCenterVO dataCenter : dataCenters) {
            ZoneResponse zoneResponse = new ZoneResponse();
            zoneResponse.setId(dataCenter.getId());
            zoneResponse.setName(dataCenter.getName());

            if ((dataCenter.getDescription() != null) && !dataCenter.getDescription().equalsIgnoreCase("null")) {
                zoneResponse.setDescription(dataCenter.getDescription());
            }

            if ((account == null) || (account.getType() == Account.ACCOUNT_TYPE_ADMIN)) {
                zoneResponse.setDns1(dataCenter.getDns1());
                zoneResponse.setDns2(dataCenter.getDns2());
                zoneResponse.setInternalDns1(dataCenter.getInternalDns1());
                zoneResponse.setInternalDns2(dataCenter.getInternalDns2());
                zoneResponse.setVlan(dataCenter.getVnet());
                zoneResponse.setGuestCidrAddress(dataCenter.getGuestNetworkCidr());
            }

            response.add(zoneResponse);
        }

        return SerializerHelper.toSerializedString(response);
    }
}