package cc.mrbird.febs.ai.strategy.Impl;

import cc.mrbird.febs.ai.enumerates.AiTypeEnum;
import cc.mrbird.febs.ai.strategy.LlmStrategyService;
import cc.mrbird.febs.ai.strategy.enumerates.LlmApplicationAppIdEnum;
import cc.mrbird.febs.ai.strategy.enumerates.LlmStrategyContextEnum;
import cc.mrbird.febs.ai.strategy.param.LlmStrategyDto;
import cc.mrbird.febs.common.entity.FebsResponse;
import cc.mrbird.febs.common.exception.FebsException;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONUtil;
import com.alibaba.dashscope.aigc.generation.Generation;
import com.alibaba.dashscope.aigc.generation.GenerationParam;
import com.alibaba.dashscope.aigc.generation.GenerationResult;
import com.alibaba.dashscope.app.Application;
import com.alibaba.dashscope.app.ApplicationParam;
import com.alibaba.dashscope.app.ApplicationResult;
import com.alibaba.dashscope.app.FlowStreamMode;
import com.alibaba.dashscope.common.Message;
import com.alibaba.dashscope.common.Role;
import com.alibaba.dashscope.exception.InputRequiredException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.utils.JsonUtils;
import io.reactivex.Flowable;
import org.springframework.stereotype.Component;
import reactor.core.publisher.Flux;

import javax.annotation.PostConstruct;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

@Component("AliApplicationLlmStrategyServiceImpl")
public class AliApplicationLlmStrategyServiceImpl implements LlmStrategyService {

    private static final String apiKey = "sk-babdcf8799144134915cee2683794b2f";

    private final String bizParam_1 = "prompt_ai_system";
    private final String bizParam_2 = "question";
    private final String bizParam_3 = "query";

    private HashMap getPrompt(List<LlmStrategyDto> dto) {
        HashMap<String, String> bizParamsMap = new HashMap<>();
        for (LlmStrategyDto dtoItem : dto){
            if (StrUtil.equals(dtoItem.getRole(), Role.SYSTEM.getValue())){
                bizParamsMap.put(bizParam_1, dtoItem.getContent());
            }
            if (StrUtil.equals(dtoItem.getRole(),Role.ASSISTANT.getValue())){
                bizParamsMap.put(bizParam_2, dtoItem.getContent());
            }
            if (StrUtil.equals(dtoItem.getRole(),Role.USER.getValue())){
                bizParamsMap.put(bizParam_3, dtoItem.getContent());
            }
        }
        return bizParamsMap;
    }

    private List<Message> getMessages(List<LlmStrategyDto> dto) {
        List<Message> messages = new ArrayList<>();
        for (LlmStrategyDto dtoItem : dto){
            if (StrUtil.equals(AiTypeEnum.MESSAGES.getName(), dtoItem.getRole())){
                List<LlmStrategyDto> messages1 = dtoItem.getMessages();
                for (LlmStrategyDto dtoItem1 : messages1){
                    messages.add(Message.builder()
                            .role(dtoItem1.getRole())
                            .content(dtoItem1.getContent())
                            .build());
                }
                break;
            }
        }
        return messages;
    }

    private String getQuery(List<LlmStrategyDto> dto) {
        String query = null;
        for (LlmStrategyDto dtoItem : dto){
            if (StrUtil.equals(dtoItem.getRole(),Role.USER.getValue())){
                query = dtoItem.getContent();
                break;
            }
        }
        return query;
    }

    private String getAppId(List<LlmStrategyDto> dto) {
        String appId = null;
        for (LlmStrategyDto dtoItem : dto){
            if (StrUtil.equals(dtoItem.getRole(),Role.TOOL.getValue())){
                int code = Integer.parseInt(dtoItem.getContent());
                appId = LlmApplicationAppIdEnum.HIGH_LIGHT.getAppIdByCode(code);
                break;
            }
        }
        return appId;
    }

    @Override
    public FebsResponse llmInvokeNonStreaming(List<LlmStrategyDto> dto) {
        return null;
    }

    @Override
    public Flux<FebsResponse> llmInvokeStreamingWithThink(List<LlmStrategyDto> dto) {

        if (CollUtil.isEmpty(dto)){
            throw new FebsException("百炼大模型初始化异常");
        }
        List<Message> messages = new ArrayList<>();
        for (LlmStrategyDto dtoItem : dto){
            if (StrUtil.equals(dtoItem.getRole(),Role.SYSTEM.getValue())){
                messages.add(Message.builder()
                        .role(Role.SYSTEM.getValue())
                        .content(dtoItem.getContent())
                        .build());
            }
            if (StrUtil.equals(dtoItem.getRole(),Role.USER.getValue())){
                messages.add(Message.builder()
                        .role(Role.USER.getValue())
                        .content(dtoItem.getContent())
                        .build());
            }
            if (StrUtil.equals(dtoItem.getRole(),Role.ASSISTANT.getValue())){
                messages.add(Message.builder()
                        .role(Role.ASSISTANT.getValue())
                        .content(dtoItem.getContent())
                        .build());
            }
        }

        GenerationParam generationParam = GenerationParam.builder()
                // 若没有配置环境变量，请用阿里云百炼API Key将下行替换为：.apiKey("sk-xxx")
                .apiKey(apiKey)
                // 模型列表：https://help.aliyun.com/zh/model-studio/getting-started/models
                .model("qwen-plus")
                .messages(messages)
                .resultFormat(GenerationParam.ResultFormat.MESSAGE)
                .enableThinking(true)
                .incrementalOutput(true)
                .build();

        long startTime = System.currentTimeMillis();
        Generation gen = new Generation();
        Flowable<GenerationResult> result;
        try {
            result = gen.streamCall(generationParam);
        } catch (NoApiKeyException | InputRequiredException e) {
            throw new FebsException(StrUtil.format("百炼大模型输出失败:{}",e.getMessage()));
        }

        return Flux.from(result)
                .map(message -> {
                    HashMap<String, String> stringStringHashMap = new HashMap<>();
                    if (StrUtil.isNotEmpty(message.getOutput().getChoices().get(0).getMessage().getReasoningContent())){
                        stringStringHashMap.put(LlmStrategyContextEnum.THINK.name(),message.getOutput().getChoices().get(0).getMessage().getReasoningContent());

                        System.out.print(message.getOutput().getChoices().get(0).getMessage().getReasoningContent());
                    }
                    if (StrUtil.isNotEmpty(message.getOutput().getChoices().get(0).getMessage().getContent())){
                        stringStringHashMap.put(LlmStrategyContextEnum.CONTENT.name(),message.getOutput().getChoices().get(0).getMessage().getContent());
                        System.out.print(message.getOutput().getChoices().get(0).getMessage().getContent());
                    }
                    return new FebsResponse().success().data(stringStringHashMap);
                })
                .doOnComplete(() -> {
                    long endTime = System.currentTimeMillis();
                    System.out.println("百炼大模型输出：" + (endTime - startTime) + "毫秒");
                })
                .doOnError(error -> {
                    throw new FebsException(StrUtil.format("百炼大模型输出失败:{}",error));
                });
    }

    @Override
    public Flux<FebsResponse> llmInvokeStreamingNoThink(List<LlmStrategyDto> dto) {
        if (CollUtil.isEmpty(dto)){
            throw new FebsException("百炼工作流初始化异常");
        }
        HashMap prompt = getPrompt(dto);
        List<Message> messages = getMessages(dto);
        String query = getQuery(dto);
        String appId = getAppId(dto);
        if (prompt == null || prompt.size() == 0){
            throw new FebsException("百炼工作流初始化异常");
        }
        if (query == null){
            throw new FebsException("百炼工作流初始化异常");
        }
        if (appId == null){
            throw new FebsException("百炼工作流初始化异常");
        }
        long startTime = System.currentTimeMillis();
        ApplicationParam param = ApplicationParam.builder()
                // 若没有配置环境变量，可用百炼API Key将下行替换为：.apiKey("sk-xxx")。但不建议在生产环境中直接将API Key硬编码到代码中，以减少API Key泄露风险。
                .apiKey(apiKey)
                .appId(appId) //替换为实际的应用 ID
                .flowStreamMode(FlowStreamMode.MESSAGE_FORMAT)
                .prompt(query)
                .messages( messages)
                .bizParams(JsonUtils.toJsonObject( prompt))
                .build();

        Application application = new Application();
        Flowable<ApplicationResult> result;
        try {
            result = application.streamCall(param);
        } catch (NoApiKeyException | InputRequiredException e) {
            throw new FebsException(StrUtil.format("百炼工作流输出失败:{}",e.getMessage()));
        }

        return Flux.from(result)
                .map(message -> {
                    HashMap<String, String> stringStringHashMap = new HashMap<>();
                    if (!message.getOutput().getFinishReason().equals("stop")){
                        stringStringHashMap.put(LlmStrategyContextEnum.CONTENT.name(),message.getOutput().getWorkflowMessage().getMessage().getContent());
                    }
                    return new FebsResponse().success().data(stringStringHashMap);
                })
                .doOnComplete(() -> {
                    long endTime = System.currentTimeMillis();
                    System.out.println("百炼工作流输出：" + (endTime - startTime) + "毫秒");
                })
                .doOnError(error -> {
                    throw new FebsException(StrUtil.format("百炼工作流输出失败:{}",error));
                });
    }
}