/**
 * Copyright (c) 2016-present, RxJava Contributors.
 *
 * 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 io.reactivex.internal.operators.completable;

import java.util.concurrent.TimeUnit;

import io.reactivex.*;
import io.reactivex.disposables.*;

public final class CompletableDelay extends Completable {

    final CompletableSource source;

    final long delay;

    final TimeUnit unit;

    final Scheduler scheduler;

    final boolean delayError;

    public CompletableDelay(CompletableSource source, long delay, TimeUnit unit, Scheduler scheduler, boolean delayError) {
        this.source = source;
        this.delay = delay;
        this.unit = unit;
        this.scheduler = scheduler;
        this.delayError = delayError;
    }

    @Override
    protected void subscribeActual(final CompletableObserver s) {
        final CompositeDisposable set = new CompositeDisposable();

        source.subscribe(new CompletableObserver() {


            @Override
            public void onComplete() {
                set.add(scheduler.scheduleDirect(new Runnable() {
                    @Override
                    public void run() {
                        s.onComplete();
                    }
                }, delay, unit));
            }

            @Override
            public void onError(final Throwable e) {
                set.add(scheduler.scheduleDirect(new Runnable() {
                    @Override
                    public void run() {
                        s.onError(e);
                    }
                }, delayError ? delay : 0, unit));
            }

            @Override
            public void onSubscribe(Disposable d) {
                set.add(d);
                s.onSubscribe(set);
            }

        });
    }

}
