/*
 * 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.rocketmq.remoting;

import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import org.apache.rocketmq.remoting.exception.RemotingConnectException;
import org.apache.rocketmq.remoting.exception.RemotingException;
import org.apache.rocketmq.remoting.exception.RemotingSendRequestException;
import org.apache.rocketmq.remoting.exception.RemotingTimeoutException;
import org.apache.rocketmq.remoting.exception.RemotingTooMuchRequestException;
import org.apache.rocketmq.remoting.netty.NettyRequestProcessor;
import org.apache.rocketmq.remoting.protocol.RemotingCommand;

public interface RemotingClient extends RemotingService {

    void updateNameServerAddressList(final List<String> addrs);

    List<String> getNameServerAddressList();

    List<String> getAvailableNameSrvList();

    RemotingCommand invokeSync(final String addr, final RemotingCommand request,
        final long timeoutMillis) throws InterruptedException, RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException;

    void invokeAsync(final String addr, final RemotingCommand request, final long timeoutMillis,
        final InvokeCallback invokeCallback) throws InterruptedException, RemotingConnectException,
        RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException;

    void invokeOneway(final String addr, final RemotingCommand request, final long timeoutMillis)
        throws InterruptedException, RemotingConnectException, RemotingTooMuchRequestException,
        RemotingTimeoutException, RemotingSendRequestException;

    default CompletableFuture<RemotingCommand> invoke(final String addr, final RemotingCommand request,
        final long timeoutMillis) {
        CompletableFuture<RemotingCommand> future = new CompletableFuture<>();
        try {
            invokeAsync(addr, request, timeoutMillis, responseFuture -> {
                RemotingCommand response = responseFuture.getResponseCommand();
                if (response != null) {
                    future.complete(response);
                } else {
                    if (!responseFuture.isSendRequestOK()) {
                        future.completeExceptionally(new RemotingSendRequestException(addr, responseFuture.getCause()));
                    } else if (responseFuture.isTimeout()) {
                        future.completeExceptionally(new RemotingTimeoutException(addr, timeoutMillis, responseFuture.getCause()));
                    } else {
                        future.completeExceptionally(new RemotingException(request.toString(), responseFuture.getCause()));
                    }
                }
            });
        } catch (Throwable t) {
            future.completeExceptionally(t);
        }
        return future;
    }

    void registerProcessor(final int requestCode, final NettyRequestProcessor processor,
        final ExecutorService executor);

    void setCallbackExecutor(final ExecutorService callbackExecutor);

    boolean isChannelWritable(final String addr);

    boolean isAddressReachable(final String addr);

    void closeChannels(final List<String> addrList);
}
