/*
 * 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.unomi.graphql.fetchers.event;

import graphql.schema.DataFetchingEnvironment;
import org.apache.unomi.api.Event;
import org.apache.unomi.api.services.EventService;
import org.apache.unomi.graphql.fetchers.BaseDataFetcher;
import org.apache.unomi.graphql.schema.CDPEventInterfaceRegister;
import org.apache.unomi.graphql.services.ServiceManager;
import org.apache.unomi.graphql.types.output.CDPEventInterface;

public class EventDataFetcher extends BaseDataFetcher<CDPEventInterface> {

    private final String id;

    public EventDataFetcher(final String id) {
        this.id = id;
    }

    @Override
    public CDPEventInterface get(DataFetchingEnvironment environment) throws Exception {
        final ServiceManager serviceManager = environment.getContext();
        final EventService eventService = serviceManager.getService(EventService.class);
        final Event event = eventService.getEvent(id);

        return event == null ? null : serviceManager.getService(CDPEventInterfaceRegister.class).getEvent(event);
    }

}
