001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2023-2026 The Enola <https://enola.dev> Authors
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *     https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package dev.enola.cli;
019
020import static dev.enola.core.thing.ListThingService.ENOLA_ROOT_LIST_THINGS;
021
022import dev.enola.core.proto.EnolaServiceGrpc.EnolaServiceBlockingStub;
023import dev.enola.core.proto.GetThingRequest;
024import dev.enola.thing.gen.graphviz.GraphvizGenerator;
025import dev.enola.thing.message.MoreThings;
026import dev.enola.thing.message.ProtoThings;
027import dev.enola.web.EnolaThingProvider;
028
029import picocli.CommandLine;
030
031@CommandLine.Command(name = "graphviz", description = "Generate Graphviz Graphs from Things")
032public class GenGraphvizCommand extends CommandWithModelAndOutput {
033
034    @Override
035    protected void run(EnolaServiceBlockingStub service) throws Exception {
036        var thingMetadataProvider = getMetadataProvider(new EnolaThingProvider(service));
037        var graphvizGenerator = new GraphvizGenerator(thingMetadataProvider);
038
039        var request = GetThingRequest.newBuilder().setIri(ENOLA_ROOT_LIST_THINGS).build();
040        var response = service.getThing(request);
041        var protoThings = MoreThings.fromAny(response.getThing());
042        var javaThings = ProtoThings.proto2java(protoThings);
043
044        var base = Output.get(output);
045        var graphviz = base.resolve("graphviz.gv");
046
047        graphvizGenerator.convertIntoOrThrow(javaThings, rp.getWritableResource(graphviz));
048    }
049}