package space.anyi.BI.mq;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.rabbitmq.client.Channel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.AmqpHeaders;
import org.springframework.messaging.handler.annotation.Header;
import org.springframework.stereotype.Component;
import space.anyi.BI.entity.Chart;
import space.anyi.BI.entity.deepseek.DeepSeekHttpRequestData;
import space.anyi.BI.entity.deepseek.DeepSeekHttpResponseData;
import space.anyi.BI.exception.SystemException;
import space.anyi.BI.service.ChartService;
import space.anyi.BI.util.DeepSeekAIUtil;

import javax.annotation.Resource;
import java.io.IOException;
import java.util.Map;

/**
 * @ProjectName: serve
 * @FileName: MessageConsumer
 * @Author: 杨逸
 * @Data:2025/10/9 20:22
 * @Description: 信息消费者
 */
@Component
public class MessageConsumer {
    private final static Logger log = LoggerFactory.getLogger(MessageConsumer.class);
    @Resource
    private ChartService chartService;
    @Resource
    private ObjectMapper objectMapper;
    /**
     * @param message 信息
     * @param channel 通道
     * @param deliverTag 消息标签
     * @description:
     * @author: 杨逸
     * @data:2025/10/09 20:29:40
     * @since 1.0.0
     */
    //接收信息
    @RabbitListener(queues = {RabbitMQMessageConstant.QUEUE_NAME},ackMode = "MANUAL")
    public void receiveMessage(String message, Channel channel, @Header(AmqpHeaders.DELIVERY_TAG) long deliverTag) {
        //消费信息的代码
        //通过信息获取处理任务
        Chart chart = chartService.getById(Long.parseLong(message));
        chart.setState("生成中");
        chartService.updateById(chart);

        StringBuilder prompt = new StringBuilder("原始数据:\n");
        prompt.append(chart.getChartData());
        prompt.append("分析目标:\n");
        prompt.append(chart.getAnalysisTarget());
        prompt.append("\n.使用").append(chart.getChartType()).append("进行可视化分析.\n");
        //配置prompt向AI发送请求
        DeepSeekHttpRequestData requestData = DeepSeekAIUtil.createDefaultRequestData(prompt.toString());

        try {
            DeepSeekHttpResponseData responseData = DeepSeekAIUtil.doChat(requestData);
            //解析AI返回的数据
            String content = responseData.getChoices().get(0).getMessage().getContent();
            log.info("AI返回的数据为:{}", content);
            //AI生成的指定内容
            Map contentMap = objectMapper.readValue(content, Map.class);
            //数据可视化,Echarts的option代码
            chart.setGeneratedChartData(contentMap.get("option").toString());
            //分析结论
            chart.setAnalysisConclusion(contentMap.get("conclusion").toString());
            //保存到数据库
            chart.setState("成功");
            chart.setExecuteMessage("AI生成图表成功");
            chartService.updateById(chart);

            //确认信息消费成功
            channel.basicAck(deliverTag,false);
            //todo:考虑后续添加出现异常的重试机制
        } catch (JsonProcessingException e) {
            chart.setState("失败");
            chart.setExecuteMessage("AI生成图表失败");
            chartService.updateById(chart);
            throw new SystemException(500, "AI生成图表失败");
        }catch (SystemException e){
            chart.setState("失败");
            chart.setExecuteMessage("AI生成图表失败");
            chartService.updateById(chart);
            throw e;
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}