// 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
// specific language governing permissions and limitations
// under the License.
package org.apache.cloudstack.api.command.admin.zone;

import org.apache.log4j.Logger;

import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ResponseObject.ResponseView;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.DomainResponse;
import org.apache.cloudstack.api.response.ZoneResponse;
import org.apache.cloudstack.context.CallContext;

import com.cloud.dc.DataCenter;
import com.cloud.user.Account;

@APICommand(name = "createZone", description = "Creates a Zone.", responseObject = ZoneResponse.class,
        requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
public class CreateZoneCmd extends BaseCmd {
    public static final Logger s_logger = Logger.getLogger(CreateZoneCmd.class.getName());

    private static final String s_name = "createzoneresponse";

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

    @Parameter(name = ApiConstants.DNS1, type = CommandType.STRING, required = true, description = "the first DNS for the Zone")
    private String dns1;

    @Parameter(name = ApiConstants.DNS2, type = CommandType.STRING, description = "the second DNS for the Zone")
    private String dns2;

    @Parameter(name = ApiConstants.IP6_DNS1, type = CommandType.STRING, description = "the first DNS for IPv6 network in the Zone")
    private String ip6Dns1;

    @Parameter(name = ApiConstants.IP6_DNS2, type = CommandType.STRING, description = "the second DNS for IPv6 network in the Zone")
    private String ip6Dns2;

    @Parameter(name = ApiConstants.GUEST_CIDR_ADDRESS, type = CommandType.STRING, description = "the guest CIDR address for the Zone")
    private String guestCidrAddress;

    @Parameter(name = ApiConstants.INTERNAL_DNS1, type = CommandType.STRING, required = true, description = "the first internal DNS for the Zone")
    private String internalDns1;

    @Parameter(name = ApiConstants.INTERNAL_DNS2, type = CommandType.STRING, description = "the second internal DNS for the Zone")
    private String internalDns2;

    @Parameter(name = ApiConstants.NAME, type = CommandType.STRING, required = true, description = "the name of the Zone")
    private String zoneName;

    @Parameter(name = ApiConstants.DOMAIN, type = CommandType.STRING, description = "Network domain name for the networks in the zone")
    private String domain;

    @Parameter(name = ApiConstants.DOMAIN_ID,
               type = CommandType.UUID,
               entityType = DomainResponse.class,
               description = "the ID of the containing domain, null for public zones")
    private Long domainId;

    @Parameter(name = ApiConstants.NETWORK_TYPE, type = CommandType.STRING, required = true, description = "network type of the zone, can be Basic or Advanced")
    private String networkType;

    @Parameter(name = ApiConstants.ALLOCATION_STATE, type = CommandType.STRING, description = "Allocation state of this Zone for allocation of new resources")
    private String allocationState;

    @Parameter(name = ApiConstants.SECURITY_GROUP_EANBLED, type = CommandType.BOOLEAN, description = "true if network is security group enabled, false otherwise")
    private Boolean securitygroupenabled;

    @Parameter(name = ApiConstants.LOCAL_STORAGE_ENABLED, type = CommandType.BOOLEAN, description = "true if local storage offering enabled, false otherwise")
    private Boolean localStorageEnabled;

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

    public String getDns1() {
        return dns1;
    }

    public String getDns2() {
        return dns2;
    }

    public String getIp6Dns1() {
        return ip6Dns1;
    }

    public String getIp6Dns2() {
        return ip6Dns2;
    }

    public String getGuestCidrAddress() {
        return guestCidrAddress;
    }

    public String getInternalDns1() {
        return internalDns1;
    }

    public String getInternalDns2() {
        return internalDns2;
    }

    public String getZoneName() {
        return zoneName;
    }

    public String getDomain() {
        return domain;
    }

    public Long getDomainId() {
        return domainId;
    }

    public String getNetworkType() {
        return networkType;
    }

    public String getAllocationState() {
        return allocationState;
    }

    public Boolean getSecuritygroupenabled() {
        if (securitygroupenabled == null) {
            return false;
        }
        return securitygroupenabled;
    }

    public Boolean getLocalStorageEnabled() {
        if (localStorageEnabled == null) {
            return false;
        }
        return localStorageEnabled;
    }

    /////////////////////////////////////////////////////
    /////////////// API Implementation///////////////////
    @Override
    public String getCommandName() {
        return s_name;
    }

    @Override
    public long getEntityOwnerId() {
        return Account.ACCOUNT_ID_SYSTEM;
    }

    @Override
    public void execute() {
        CallContext.current().setEventDetails("Zone Name: " + getZoneName());
        DataCenter result = _configService.createZone(this);
        if (result != null){
            ZoneResponse response = _responseGenerator.createZoneResponse(ResponseView.Full, result, false);
            response.setResponseName(getCommandName());
            setResponseObject(response);
        } else {
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to create a zone");
        }
    }
}
