// Licensed to the Apache Software Foundation (ASF) under one
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// 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.iso;

import org.apache.log4j.Logger;

import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiCommandResourceType;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseAsyncCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.SuccessResponse;
import org.apache.cloudstack.api.response.TemplateResponse;
import org.apache.cloudstack.api.response.ZoneResponse;
import org.apache.cloudstack.context.CallContext;

import com.cloud.event.EventTypes;
import com.cloud.template.VirtualMachineTemplate;
import com.cloud.user.Account;

@APICommand(name = "deleteIso", description = "Deletes an ISO file.", responseObject = SuccessResponse.class,
        requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
public class DeleteIsoCmd extends BaseAsyncCmd {
    public static final Logger s_logger = Logger.getLogger(DeleteIsoCmd.class.getName());

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

    @Parameter(name = ApiConstants.ID, type = CommandType.UUID, entityType = TemplateResponse.class, required = true, description = "the ID of the ISO file")
    private Long id;

    @Parameter(name = ApiConstants.ZONE_ID,
               type = CommandType.UUID,
               entityType = ZoneResponse.class,
               description = "the ID of the zone of the ISO file. If not specified, the ISO will be deleted from all the zones")
    private Long zoneId;

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

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public Long getZoneId() {
        return zoneId;
    }

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

    @Override
    public long getEntityOwnerId() {
        VirtualMachineTemplate iso = _entityMgr.findById(VirtualMachineTemplate.class, getId());
        if (iso != null) {
            return iso.getAccountId();
        }

        return Account.ACCOUNT_ID_SYSTEM;
    }

    @Override
    public String getEventType() {
        return EventTypes.EVENT_ISO_DELETE;
    }

    @Override
    public String getEventDescription() {
        return "Deleting ISO " + getId();
    }

    @Override
    public ApiCommandResourceType getApiResourceType() {
        return ApiCommandResourceType.Iso;
    }

    @Override
    public Long getApiResourceId() {
        return getId();
    }

    @Override
    public void execute() {
        CallContext.current().setEventDetails("ISO Id: " + getId());
        boolean result = _templateService.deleteIso(this);
        if (result) {
            SuccessResponse response = new SuccessResponse(getCommandName());
            this.setResponseObject(response);
        } else {
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to delete ISO");
        }
    }
}
