/*
Copyright (c) 2015 Red Hat, Inc.

Licensed 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.ovirt.engine.api.restapi.resource;

import org.ovirt.engine.api.model.Cdrom;
import org.ovirt.engine.api.model.Cdroms;
import org.ovirt.engine.api.model.Template;
import org.ovirt.engine.api.resource.TemplateCdromResource;
import org.ovirt.engine.api.resource.TemplateCdromsResource;
import org.ovirt.engine.core.common.businessentities.VmTemplate;
import org.ovirt.engine.core.common.queries.GetVmTemplateParameters;
import org.ovirt.engine.core.common.queries.VdcQueryType;
import org.ovirt.engine.core.compat.Guid;

public class BackendTemplateCdromsResource
        extends AbstractBackendCollectionResource<Cdrom, VmTemplate>
        implements TemplateCdromsResource {

    private Guid templateId;

    public BackendTemplateCdromsResource(Guid templateId) {
        super(Cdrom.class, VmTemplate.class);
        this.templateId = templateId;
    }

    @Override
    public Cdroms list() {
        VmTemplate template = getTemplate();
        return mapCollection(template);
    }

    private Cdroms mapCollection(VmTemplate template) {
        Cdroms collection = new Cdroms();
        collection.getCdroms().add(addLinks(populate(map(template), template)));
        return collection;
    }

    private VmTemplate getTemplate() {
        return getEntity(
            VmTemplate.class,
            VdcQueryType.GetVmTemplate,
            new GetVmTemplateParameters(templateId),
            templateId.toString(),
            true
        );
    }

    @Override
    public Cdrom addParents(Cdrom entity) {
        Template template = new Template();
        template.setId(templateId.toString());
        entity.setTemplate(template);
        return entity;
    }

    @Override
    public TemplateCdromResource getCdromResource(String id) {
        return inject(new BackendTemplateCdromResource(id, templateId));
    }
}