/*
 * Copyright @ 2018 - present 8x8, 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.jitsi.videobridge.rest.root.colibri.stats;

import org.jitsi.videobridge.rest.*;
import org.jitsi.videobridge.rest.root.colibri.*;
import org.jitsi.videobridge.stats.*;
import org.jitsi.videobridge.util.*;
import org.json.simple.*;

import javax.inject.*;
import javax.ws.rs.*;
import javax.ws.rs.core.*;

@Path("/colibri/stats")
public class Stats extends ColibriResource
{
    @Inject
    protected StatsManagerProvider statsManagerProvider;

    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public String getStats()
    {
        StatsManager statsManager = statsManagerProvider.get();

        Statistics videobridgeStats =
            statsManager.getStatistics().stream()
                .filter(s -> s instanceof VideobridgeStatistics)
                .findAny()
                .orElse(null);
        if (videobridgeStats != null)
        {
            return JSONSerializer.serializeStatistics(videobridgeStats).toJSONString();
        }
        return new JSONObject().toJSONString();
    }
}