/*
 * 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.camel.component.micrometer.spi;

import java.util.concurrent.Callable;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;

import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Tag;
import io.micrometer.core.instrument.Timer;
import io.micrometer.core.instrument.internal.TimedExecutorService;

public class TimedScheduledExecutorService extends TimedExecutorService implements ScheduledExecutorService {

    private final ScheduledExecutorService delegate;
    private final MeterRegistry registry;

    public TimedScheduledExecutorService(MeterRegistry registry, ScheduledExecutorService delegate, String executorServiceName, Iterable<Tag> tags) {
        super(registry, delegate, executorServiceName, tags);
        this.registry = registry;
        this.delegate = delegate;
    }

    @Override
    public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
        return delegate.schedule(meter().wrap(command), delay, unit);
    }

    @Override
    public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {
        return delegate.schedule(meter().wrap(callable), delay, unit);
    }

    @Override
    public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit) {
        return delegate.scheduleAtFixedRate(meter().wrap(command), initialDelay, period, unit);
    }

    @Override
    public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, long initialDelay, long delay, TimeUnit unit) {
        return delegate.scheduleWithFixedDelay(meter().wrap(command), initialDelay, delay, unit);
    }

    private Timer meter() {
        return registry.find("executor").timer();
    }
}