// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.api.commands;

import org.apache.log4j.Logger;

import com.cloud.api.ApiConstants;
import com.cloud.api.BaseAsyncCmd;
import com.cloud.api.BaseCmd;
import com.cloud.api.IdentityMapper;
import com.cloud.api.Implementation;
import com.cloud.api.Parameter;
import com.cloud.api.ServerApiException;
import com.cloud.api.response.NetworkResponse;
import com.cloud.event.EventTypes;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.network.Network;
import com.cloud.user.Account;
import com.cloud.user.User;
import com.cloud.user.UserContext;

@Implementation(description="Updates a network", responseObject=NetworkResponse.class)
public class UpdateNetworkCmd extends BaseAsyncCmd {
    public static final Logger s_logger = Logger.getLogger(UpdateNetworkCmd.class.getName());

    private static final String s_name = "updatenetworkresponse";

    /////////////////////////////////////////////////////
    //////////////// API parameters /////////////////////
    /////////////////////////////////////////////////////
    @IdentityMapper(entityTableName="networks")
    @Parameter(name=ApiConstants.ID, type=CommandType.LONG, required=true, description="the ID of the network")
    private Long id;
    
    @Parameter(name=ApiConstants.NAME, type=CommandType.STRING, description="the new name for the network")
    private String name;
    
    @Parameter(name=ApiConstants.DISPLAY_TEXT, type=CommandType.STRING, description="the new display text for the network")
    private String displayText;
    
    @Parameter(name=ApiConstants.NETWORK_DOMAIN, type=CommandType.STRING, description="network domain")
    private String networkDomain;
    
    @Parameter(name=ApiConstants.CHANGE_CIDR, type=CommandType.BOOLEAN, description="Force update even if cidr type is different")
    private Boolean changeCidr;
    
    @IdentityMapper(entityTableName="network_offerings")
    @Parameter(name=ApiConstants.NETWORK_OFFERING_ID, type=CommandType.LONG, description="network offering ID")
    private Long networkOfferingId;
  
    /////////////////////////////////////////////////////
    /////////////////// Accessors ///////////////////////
    /////////////////////////////////////////////////////
   
    public Long getId() {
        return id;
    }
    
    public String getNetworkName() {
        return name;
    }
    
    public String getDisplayText() {
        return displayText;
    }
    
    private String getNetworkDomain() {
        return networkDomain;
    }
    
    private Long getNetworkOfferingId() {
        return networkOfferingId;
    }

    public Boolean getChangeCidr() {
        if (changeCidr != null) {
            return changeCidr;
        }
        return false;
    }
    /////////////////////////////////////////////////////
    /////////////// API Implementation///////////////////
    /////////////////////////////////////////////////////

    @Override
    public String getCommandName() {
        return s_name;
    }
    
    @Override
    public long getEntityOwnerId() {
        Network network = _networkService.getNetwork(id);
        if (network == null) {
            throw new InvalidParameterValueException("Networkd id=" + id + " doesn't exist");
        } else {
            return _networkService.getNetwork(id).getAccountId();
        }
    }
    
    @Override
    public void execute() throws InsufficientCapacityException, ConcurrentOperationException{
        User callerUser = _accountService.getActiveUser(UserContext.current().getCallerUserId());
        Account callerAccount = _accountService.getActiveAccountById(callerUser.getAccountId());      
        Network result = _networkService.updateGuestNetwork(getId(), getNetworkName(), getDisplayText(), callerAccount, callerUser, getNetworkDomain(), getNetworkOfferingId(), getChangeCidr());
        if (result != null) {
            NetworkResponse response = _responseGenerator.createNetworkResponse(result);
            response.setResponseName(getCommandName());
            this.setResponseObject(response);
        }else {
            throw new ServerApiException(BaseCmd.INTERNAL_ERROR, "Failed to update network");
        }
    }
    
    @Override
    public String getEventDescription() {
        return  "Updating network: " + getId();
    }
    
    @Override
    public String getEventType() {
        return EventTypes.EVENT_NETWORK_UPDATE;
    }
}