/*
Copyright (c) 2016 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.v3.servers;

import java.util.Map;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;

import org.ovirt.engine.api.model.Actionable;
import org.ovirt.engine.api.resource.StorageDomainVmResource;
import org.ovirt.engine.api.restapi.invocation.CurrentManager;
import org.ovirt.engine.api.v3.V3Server;
import org.ovirt.engine.api.v3.types.V3Action;
import org.ovirt.engine.api.v3.types.V3Snapshots;
import org.ovirt.engine.api.v3.types.V3VM;

@Produces({"application/xml", "application/json"})
public class V3StorageDomainVmServer extends V3Server<StorageDomainVmResource> {
    public V3StorageDomainVmServer(StorageDomainVmResource delegate) {
        super(delegate);
    }

    @GET
    public V3VM get() {
        return adaptGet(getDelegate()::get);
    }

    @POST
    @Consumes({"application/xml", "application/json"})
    @Actionable
    @Path("import")
    public Response doImport(V3Action action) {
        // V3 supports using the "action.vm.snapshots.collapse_snapshots" element to indicate if the snapshots have
        // to be collapsed during import, but in V4 this has been replaced by a "collapse_snapshots" boolean parameter:
        if (action.isSetVm() && action.getVm().isSetSnapshots()) {
            V3Snapshots snapshots = action.getVm().getSnapshots();
            if (snapshots.isSetCollapseSnapshots() && snapshots.isCollapseSnapshots()) {
                Map<String, String> parameters = CurrentManager.get().getParameters();
                parameters.put("collapse_snapshots", String.valueOf(true));
            }
        }
        return adaptAction(getDelegate()::doImport, action);
    }

    @POST
    @Consumes({"application/xml", "application/json"})
    @Actionable
    @Path("register")
    public Response register(V3Action action) {
        return adaptAction(getDelegate()::register, action);
    }

    @DELETE
    public Response remove() {
        return adaptRemove(getDelegate()::remove);
    }

    @Path("disks")
    public V3StorageDomainContentDisksServer getDisksResource() {
        return new V3StorageDomainContentDisksServer(getDelegate().getDisksResource());
    }

    @Path("{action: (?:import|register)}/{oid}")
    public V3ActionServer getActionResource(@PathParam("action") String action, @PathParam("oid") String oid) {
        return new V3ActionServer(getDelegate().getActionResource(action, oid));
    }
}