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// 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
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// specific language governing permissions and limitations
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package org.apache.cloudstack.api.command.admin.vpc;

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

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.VpcOfferingResponse;
import org.apache.commons.lang3.StringUtils;

import com.cloud.dc.DataCenter;
import com.cloud.domain.Domain;
import com.cloud.event.EventTypes;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.network.vpc.VpcOffering;
import com.cloud.user.Account;

@APICommand(name = "updateVPCOffering", description = "Updates VPC offering", responseObject = VpcOfferingResponse.class,
        requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
public class UpdateVPCOfferingCmd extends BaseAsyncCmd {

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

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

    @Parameter(name = ApiConstants.NAME, type = CommandType.STRING, description = "the name of the VPC offering")
    private String vpcOffName;

    @Parameter(name = ApiConstants.DISPLAY_TEXT, type = CommandType.STRING, description = "the display text of the VPC offering")
    private String displayText;

    @Parameter(name = ApiConstants.STATE, type = CommandType.STRING, description = "update state for the VPC offering; " + "supported states - Enabled/Disabled")
    private String state;

    @Parameter(name = ApiConstants.DOMAIN_ID,
            type = CommandType.STRING,
            description = "the ID of the containing domain(s) as comma separated string, public for public offerings",
            length = 4096)
    private String domainIds;

    @Parameter(name = ApiConstants.ZONE_ID,
            type = CommandType.STRING,
            description = "the ID of the containing zone(s) as comma separated string, all for all zones offerings",
            since = "4.13")
    private String zoneIds;

    @Parameter(name = ApiConstants.SORT_KEY, type = CommandType.INTEGER, description = "sort key of the VPC offering, integer")
    private Integer sortKey;

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

    public String getVpcOfferingName() {
        return vpcOffName;
    }

    public String getDisplayText() {
        return displayText;
    }

    public Long getId() {
        return id;
    }

    public String getState() {
        return state;
    }

    public List<Long> getDomainIds() {
        List<Long> validDomainIds = new ArrayList<>();
        if (StringUtils.isNotEmpty(domainIds)) {
            if (domainIds.contains(",")) {
                String[] domains = domainIds.split(",");
                for (String domain : domains) {
                    Domain validDomain = _entityMgr.findByUuid(Domain.class, domain.trim());
                    if (validDomain != null) {
                        validDomainIds.add(validDomain.getId());
                    } else {
                        throw new InvalidParameterValueException("Failed to create VPC offering because invalid domain has been specified.");
                    }
                }
            } else {
                domainIds = domainIds.trim();
                if (!domainIds.matches("public")) {
                    Domain validDomain = _entityMgr.findByUuid(Domain.class, domainIds.trim());
                    if (validDomain != null) {
                        validDomainIds.add(validDomain.getId());
                    } else {
                        throw new InvalidParameterValueException("Failed to create VPC offering because invalid domain has been specified.");
                    }
                }
            }
        } else {
            validDomainIds.addAll(_vpcProvSvc.getVpcOfferingDomains(id));
        }
        return validDomainIds;
    }

    public List<Long> getZoneIds() {
        List<Long> validZoneIds = new ArrayList<>();
        if (StringUtils.isNotEmpty(zoneIds)) {
            if (zoneIds.contains(",")) {
                String[] zones = zoneIds.split(",");
                for (String zone : zones) {
                    DataCenter validZone = _entityMgr.findByUuid(DataCenter.class, zone.trim());
                    if (validZone != null) {
                        validZoneIds.add(validZone.getId());
                    } else {
                        throw new InvalidParameterValueException("Failed to create VPC offering because invalid zone has been specified.");
                    }
                }
            } else {
                zoneIds = zoneIds.trim();
                if (!zoneIds.matches("all")) {
                    DataCenter validZone = _entityMgr.findByUuid(DataCenter.class, zoneIds.trim());
                    if (validZone != null) {
                        validZoneIds.add(validZone.getId());
                    } else {
                        throw new InvalidParameterValueException("Failed to create VPC offering because invalid zone has been specified.");
                    }
                }
            }
        } else {
            validZoneIds.addAll(_vpcProvSvc.getVpcOfferingZones(id));
        }
        return validZoneIds;
    }

    public Integer getSortKey() {
        return sortKey;
    }

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

    @Override
    public void execute() {
        VpcOffering result = _vpcProvSvc.updateVpcOffering(this);
        if (result != null) {
            VpcOfferingResponse response = _responseGenerator.createVpcOfferingResponse(result);
            response.setResponseName(getCommandName());
            this.setResponseObject(response);
        } else {
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to update VPC offering");
        }
    }

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

    @Override
    public String getEventDescription() {
        return "Updating VPC offering id=" + getId();
    }

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

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