/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file 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.streampipes.rest.impl.connect;

import org.apache.streampipes.commons.exceptions.NoServiceEndpointsAvailableException;
import org.apache.streampipes.commons.exceptions.SpConfigurationException;
import org.apache.streampipes.connect.api.exception.AdapterException;
import org.apache.streampipes.connect.container.master.management.WorkerAdministrationManagement;
import org.apache.streampipes.connect.container.master.management.WorkerRestClient;
import org.apache.streampipes.connect.container.master.management.WorkerUrlProvider;
import org.apache.streampipes.model.StreamPipesErrorMessage;
import org.apache.streampipes.model.runtime.RuntimeOptionsRequest;
import org.apache.streampipes.model.runtime.RuntimeOptionsResponse;
import org.apache.streampipes.rest.shared.annotation.JacksonSerialized;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

@Path("/v2/connect/master/resolvable")
public class RuntimeResolvableResource extends AbstractAdapterResource<WorkerAdministrationManagement> {

    private static final Logger LOG = LoggerFactory.getLogger(RuntimeResolvableResource.class);

    private final WorkerUrlProvider workerUrlProvider;

    public RuntimeResolvableResource() {
        super(WorkerAdministrationManagement::new);
        this.workerUrlProvider = new WorkerUrlProvider();
    }

    @POST
    @Path("{id}/configurations")
    @JacksonSerialized
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes(MediaType.APPLICATION_JSON)
    public Response fetchConfigurations(@PathParam("id") String appId,
                                        RuntimeOptionsRequest runtimeOptionsRequest) {

        // TODO add solution for formats

        try {
            String workerEndpoint = workerUrlProvider.getWorkerBaseUrl(appId);
            RuntimeOptionsResponse result = WorkerRestClient.getConfiguration(workerEndpoint, appId, runtimeOptionsRequest);

            return ok(result);
        } catch (AdapterException e) {
            LOG.error("Adapter exception occurred", e);
            return serverError(StreamPipesErrorMessage.from(e));
        } catch (NoServiceEndpointsAvailableException e) {
            LOG.error("Could not find service endpoint for {} while fetching configuration", appId);
            return serverError(StreamPipesErrorMessage.from(e));
        } catch (SpConfigurationException e) {
            LOG.error("Tried to fetch a runtime configuration with insufficient settings");
            return badRequest(StreamPipesErrorMessage.from(e));
        }
    }

}
