/*
 * 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.processors.enricher.flink.processor.urldereferencing;

import org.apache.streampipes.client.StreamPipesClient;
import org.apache.streampipes.container.config.ConfigExtractor;
import org.apache.streampipes.model.DataProcessorType;
import org.apache.streampipes.model.graph.DataProcessorDescription;
import org.apache.streampipes.model.graph.DataProcessorInvocation;
import org.apache.streampipes.model.schema.PropertyScope;
import org.apache.streampipes.sdk.builder.ProcessingElementBuilder;
import org.apache.streampipes.sdk.builder.StreamRequirementsBuilder;
import org.apache.streampipes.sdk.extractor.ProcessingElementParameterExtractor;
import org.apache.streampipes.sdk.helpers.*;
import org.apache.streampipes.sdk.utils.Assets;
import org.apache.streampipes.vocabulary.SO;
import org.apache.streampipes.wrapper.flink.FlinkDataProcessorDeclarer;
import org.apache.streampipes.wrapper.flink.FlinkDataProcessorRuntime;

public class UrlDereferencingController extends FlinkDataProcessorDeclarer<UrlDereferencingParameter> {

    private final String APPEND_HTML = "appendHtml";
    private final String URL = "url";

    @Override
    public DataProcessorDescription declareModel() {
        return ProcessingElementBuilder.create("org.apache.streampipes.processors.enricher.flink.processor.urldereferencing")
                .withAssets(Assets.DOCUMENTATION, Assets.ICON)
                .withLocales(Locales.EN)
                .category(DataProcessorType.ENRICH)
                .requiredStream(StreamRequirementsBuilder
                        .create()
                        .requiredPropertyWithUnaryMapping(EpRequirements.stringReq(),
                                Labels.withId(URL),
                                PropertyScope.NONE)
                        .build())
                .outputStrategy(
                        OutputStrategies.append(
                                EpProperties.stringEp(Labels.empty(), APPEND_HTML, SO.Text)))
                .build();
    }


    @Override
    public FlinkDataProcessorRuntime<UrlDereferencingParameter> getRuntime(DataProcessorInvocation graph,
                                                                           ProcessingElementParameterExtractor extractor,
                                                                           ConfigExtractor configExtractor,
                                                                           StreamPipesClient streamPipesClient) {
        String urlString = extractor.mappingPropertyValue(URL);

//        java.net.URL url = null;
/*        try {
             url = new URL(urlString);
        } catch (MalformedURLException e) {
            logger.error("Malformed URL:" + urlString);
            throw new IllegalArgumentException("Malformed URL:" + urlString);
        }
*/
        UrlDereferencingParameter staticParam = new UrlDereferencingParameter(graph, urlString, APPEND_HTML);

        return  new UrlDereferencingProgram(staticParam, configExtractor, streamPipesClient);
    }
}
