// 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.user.vm;

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

import org.apache.cloudstack.acl.RoleType;
import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiCommandJobType;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseListCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.ListResponse;
import org.apache.cloudstack.api.response.NetworkResponse;
import org.apache.cloudstack.api.response.NicResponse;
import org.apache.cloudstack.api.response.UserVmResponse;
import org.apache.cloudstack.context.CallContext;
import org.apache.log4j.Logger;

import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.ResourceAllocationException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.user.Account;
import com.cloud.vm.Nic;

@APICommand(name = "listNics", description = "list the vm nics  IP to NIC", responseObject = NicResponse.class,
        requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
public class ListNicsCmd extends BaseListCmd {
    public static final Logger s_logger = Logger.getLogger(ListNicsCmd.class.getName());
    private static final String s_name = "listnicsresponse";

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

    @Parameter(name = ApiConstants.NIC_ID, type = CommandType.UUID, entityType = NicResponse.class, required = false, description = "the ID of the nic to to list IPs")
    private Long nicId;

    @Parameter(name = ApiConstants.VIRTUAL_MACHINE_ID, type = CommandType.UUID, entityType = UserVmResponse.class, required = true, description = "the ID of the vm")
    private Long vmId;

    @Parameter(name = ApiConstants.NETWORK_ID, type = CommandType.UUID, entityType = NetworkResponse.class, description = "list nic of the specific vm's network")
    private Long networkId;

    @Parameter(name = ApiConstants.FOR_DISPLAY, type = CommandType.BOOLEAN, description = "list resources by display flag; only ROOT admin is eligible to pass this parameter", since = "4.4", authorized = {RoleType.Admin})
    private Boolean display;

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

    public String getEntityTable() {
        return "nics";
    }

    public String getAccountName() {
        return CallContext.current().getCallingAccount().getAccountName();
    }

    public long getDomainId() {
        return CallContext.current().getCallingAccount().getDomainId();
    }

    public Long getNicId() {
        return nicId;
    }

    public Long getVmId() {
        return vmId;
    }

    public Long getNetworkId() {
        return networkId;
    }

    @Override
    public long getEntityOwnerId() {
        Account caller = CallContext.current().getCallingAccount();
        return caller.getAccountId();
    }


    public Boolean getDisplay() {
        if (display != null) {
            return display;
        }
        return true;
    }

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

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

    public static String getResultObjectName() {
        return "addressinfo";
    }

    @Override
    public void execute() throws ResourceUnavailableException, ResourceAllocationException, ConcurrentOperationException, InsufficientCapacityException {

        try {
            List<? extends Nic> results = _networkService.listNics(this);
            ListResponse<NicResponse> response = new ListResponse<NicResponse>();
            List<NicResponse> resList = null;
            if (results != null) {
                resList = new ArrayList<NicResponse>(results.size());
                for (Nic r : results) {
                    NicResponse resp = _responseGenerator.createNicResponse(r);
                    resp.setObjectName("nic");
                    resList.add(resp);
                }
                response.setResponses(resList);
            }
            response.setResponses(resList);
            response.setResponseName(getCommandName());
            this.setResponseObject(response);

        } catch (Exception e) {
            s_logger.warn("Failed to list secondary ip address per nic ");
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, e.getMessage());
        }
    }

    @Override
    public ApiCommandJobType getInstanceType() {
        return ApiCommandJobType.IpAddress;
    }

}