content: /*
   * Copyright 2025 the original author or authors.
   *
   * 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
   *
   *      https://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 com.alibaba.cloud.ai.studio.core.base.mq;
  
  import com.alibaba.cloud.ai.studio.core.config.MqConfigProperties;
  import lombok.RequiredArgsConstructor;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.rocketmq.client.apis.ClientServiceProvider;
  import org.apache.rocketmq.client.apis.message.Message;
  import org.apache.rocketmq.client.apis.message.MessageBuilder;
  import org.apache.rocketmq.client.apis.producer.Producer;
  import org.apache.rocketmq.client.apis.producer.SendReceipt;
  import org.springframework.stereotype.Component;
  import org.springframework.util.CollectionUtils;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.CompletableFuture;
  import java.util.concurrent.TimeUnit;
  import java.util.function.Consumer;
  
  /**
   * Manages RocketMQ producers and provides message sending capabilities.
   *
   * @since 1.0.0.3
   */
  @Slf4j
  @Component
  @RequiredArgsConstructor
  public class MqProducerManager {
  
  	/** RocketMQ client service provider */
  	private static final ClientServiceProvider provider = ClientServiceProvider.loadService();
  
  	/** MQ configuration properties */
  	private final MqConfigProperties mqConfigProperties;
  
  	/**
  	 * Sends a message synchronously
  	 * @param producer MQ producer instance
  	 * @param message Message to be sent
  	 * @return Send result containing message ID
  	 */
  	public SendResult send(Producer producer, MqMessage message) {
  		try {
  			SendReceipt sendReceipt = producer.send(buildMessage(message));
  			return SendResult.builder().messageId(sendReceipt.getMessageId().toString()).build();
  		}
  		catch (Exception e) {
  			log.error("Failed to send message, topic: {}", message.getTopic(), e);
  			throw new RuntimeException("Failed to send message", e);
  		}
  	}
  
  	/**
  	 * Sends a delayed message synchronously
  	 * @param producer MQ producer instance
  	 * @param message Message to be sent
  	 * @param delaySeconds Delay time in seconds
  	 * @return Send result containing message ID
  	 */
  	public SendResult sendDelay(Producer producer, MqMessage message, int delaySeconds) {
  		try {
  			// 计算延迟时间戳
  			long deliveryTimestamp = System.currentTimeMillis() + (delaySeconds * 1000L);
  			message.setDeliveryTimestamp(deliveryTimestamp);
  
  			SendReceipt sendReceipt = producer.send(buildMessage(message));
  			return SendResult.builder().messageId(sendReceipt.getMessageId().toString()).build();
  		}
  		catch (Exception e) {
  			log.error("Failed to send delayed message, topic: {}, delay: {}s", message.getTopic(), delaySeconds, e);
  			throw new RuntimeException("Failed to send delayed message", e);
  		}
  	}
  
  	/**
  	 * Sends messages asynchronously with callback
  	 * @param producer MQ producer instance
  	 * @param messages List of messages to be sent
  	 * @param callback Callback to handle send results
  	 */
  	public void sendAsync(Producer producer, List<MqMessage> messages, SendCallback callback) {
  		try {
  			List<CompletableFuture<SendReceipt>> futures = new ArrayList<>();
  			for (MqMessage message : messages) {
  				CompletableFuture<SendReceipt> future = producer.sendAsync(buildMessage(message));
  				futures.add(future);
  			}
  
  			for (CompletableFuture<SendReceipt> future : futures) {
  				try {
  					SendReceipt sendReceipt = future.get(mqConfigProperties.getSendMessageTimeoutMs(),
  							TimeUnit.MILLISECONDS);
  					callback.onSuccess(SendResult.builder().messageId(sendReceipt.getMessageId().toString()).build());
  				}
  				catch (Exception e) {
  					callback.onError(e);
  				}
  			}
  		}
  		catch (Exception e) {
  			log.error("Failed to async send message", e);
  			throw new RuntimeException("Failed to async send message", e);
  		}
  	}
  
  	/**
  	 * Sends messages asynchronously with success and error handlers
  	 * @param producer MQ producer instance
  	 * @param messages List of messages to be sent
  	 * @param onSuccess Success handler
  	 * @param onError Error handler
  	 */
  	public void sendAsync(Producer producer, List<MqMessage> messages, Consumer<SendResult> onSuccess,
  			Consumer<Throwable> onError) {
  		sendAsync(producer, messages, new SendCallback() {
  			@Override
  			public void onSuccess(SendResult sendResult) {
  				if (onSuccess != null) {
  					onSuccess.accept(sendResult);
  				}
  			}
  
  			@Override
  			public void onError(Throwable e) {
  				if (onError != null) {
  					onError.accept(e);
  				}
  			}
  		});
  	}
  
  	/**
  	 * Builds a RocketMQ message from MqMessage
  	 * @param message Source message
  	 * @return Built RocketMQ message
  	 */
  	private Message buildMessage(MqMessage message) {
  		MessageBuilder msg = provider.newMessageBuilder()
  			.setTopic(message.getTopic())
  			.setKeys(message.getKeys() == null ? null : message.getKeys().toArray(new String[] {}))
  			.setBody(message.getBody().getBytes())
  			.setTag(message.getTag());
  
  		if (message.getDeliveryTimestamp() != null) {
  			msg.setDeliveryTimestamp(message.getDeliveryTimestamp());
  		}
  
  		if (!CollectionUtils.isEmpty(message.getProperties())) {
  			for (Map.Entry<String, String> entry : message.getProperties().entrySet()) {
  				msg.addProperty(entry.getKey(), entry.getValue());
  			}
  		}
  
  		return msg.build();
  	}
  
  }
  