package com.supervision.service.impl;

import cn.hutool.core.codec.Base64Encoder;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.crypto.digest.MD5;
import cn.hutool.setting.dialect.Props;
import com.supervision.exception.BusinessException;
import com.supervision.model.Process;
import com.supervision.model.*;
import com.supervision.pojo.vo.TalkReqVO;
import com.supervision.pojo.vo.TalkResultResVO;
import com.supervision.pojo.vo.TalkVideoReqVO;
import com.supervision.service.*;
import com.supervision.util.*;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Optional;

@Slf4j
@Service
@RequiredArgsConstructor
public class AskServiceImpl implements AskService {

    private final ProcessService processService;

    private final AskTemplateQuestionLibraryService askTemplateQuestionLibraryService;

    private final AskPatientAnswerService askPatientAnswerService;

    private final ConfigPhysicalToolService configPhysicalToolService;

    private final ConfigAncillaryItemService configAncillaryItemService;

    private final FileResourceService fileResourceService;

    @Value("${answer.defaultNoMatchId}")
    private String defaultNoMatchId;

    @Value("${answer.video.basePath}")
    private String videoPath;

    @Value("${video-url}")
    private String videoUrl;


    @Override
    public String receiveVoiceFile(MultipartFile file) {
        if (file.getSize() <= 0) {
            throw new BusinessException("语音内容为空");
        }
        // 获取音频对应的文字
        String text = null;
        try {
            text = AsrUtil.asrTransformByBytes(file.getBytes());
        } catch (Exception e) {
            throw new BusinessException("获取语音失败");
        }
        if (StrUtil.isEmpty(text)) {
            throw new BusinessException("语音内容为空");
        }
        return text;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public TalkResultResVO talk(TalkReqVO talkReqVO) {
        // 根据processId找到对应的病人
        Process process = Optional.ofNullable(processService.getById(talkReqVO.getProcessId())).orElseThrow(() -> new BusinessException("未找到诊疗进程"));
        // 调用rasa获取文字内容
        String rasaResult = RasaUtil.talkRasa(talkReqVO.getText(), UserUtil.getUser().getId());
        // 如果rasa没有识别出来,则返回默认值
        if (StrUtil.isBlank(rasaResult)) {
            // 这里调用京东数字人接口首先根据token获取房间号
            String roomId = HumanUtil.queryRoomId(talkReqVO.getRoomKey(), talkReqVO.getRoomToken());
            HumanUtil.textDriven("您好,我没有听懂您说什么", roomId);
            saveQaRecord(talkReqVO.getProcessId(), "default", null, talkReqVO.getText(), null, "您好,我没有听懂您说什么");
        }
        TalkResultResVO talkResultResVO = new TalkResultResVO();
        // 这里校验,rasa回复的结果是不是action
        // 这里设置的模板,对于action的动作全部是用ancillary_ | tool_进行标记,详情看生成rasa的yml的代码:RasaServiceImpl.generateDomain
        // ancillary_ | tool_
        if (rasaResult.startsWith("ancillary_") || rasaResult.startsWith("tool_")) {
            log.info("呼出语句:{}", rasaResult);
            List<String> actionList = StrUtil.split(rasaResult, '_');
            if (actionList.size() > 1) {
                // 在这里给socket回复,设置为动作
                talkResultResVO.setActionId(actionList.get(1));
                talkResultResVO.setType("ancillary".equals(actionList.get(0)) ? 3 : 2);
                setActionRelation(talkResultResVO);
                return talkResultResVO;
            }
        } else {
            String roomId = HumanUtil.queryRoomId(talkReqVO.getRoomKey(), talkReqVO.getRoomToken());
            AskTemplateQuestionLibrary library = askTemplateQuestionLibraryService.getById(rasaResult);
            if (ObjectUtil.isEmpty(library)) {
                log.info("{}:未从问题库中找到,回答未识别语句", rasaResult);
                HumanUtil.textDriven("您好,我没有听懂您说什么", roomId);
                saveQaRecord(talkReqVO.getProcessId(), "default", null, talkReqVO.getText(), null, "您好,我没有听懂您说什么");
            } else {
                AskPatientAnswer askPatientAnswer = askPatientAnswerService.lambdaQuery().eq(AskPatientAnswer::getMedicalId, process.getMedicalRecId())
                        .eq(AskPatientAnswer::getLibraryQuestionId, library.getId()).last("limit 1").one();
                // 如果没有找到回答,去默认回答里面看看有没有
                if (ObjectUtil.isEmpty(askPatientAnswer)) {
                    log.info("{}:病历配置,未从AskPatientAnswer中找到回答结果,尝试回答默认答案", rasaResult);
                    // 首先看看default里面是不是存在,如果存在,就从default里面去找
                    if (StrUtil.isNotEmpty(library.getDefaultAnswer())) {
                        String resText = library.getDefaultAnswer();
                        HumanUtil.textDriven(resText, roomId);
                        // 保存记录
                        saveQaRecord(talkReqVO.getProcessId(), "default", library.getId(), talkReqVO.getText(), library, resText);
                        log.info("{}:找到了默认答案:{}", rasaResult, talkReqVO.getText());
                    } else {
                        log.info("{}:没有从默认答案中找到找到默认内容,回复未识别语句", rasaResult);
                        HumanUtil.textDriven("您好,我没有听懂您说什么", roomId);
                        saveQaRecord(talkReqVO.getProcessId(), "default", null, talkReqVO.getText(), library, "您好,我没有听懂您说什么");
                    }
                } else {
                    if (StrUtil.isEmpty(askPatientAnswer.getAnswer())) {
                        log.info("{}:病历配置的回答:{}:为空不为空,但在获取的时候,答案为空,尝试回复默认语句", rasaResult, askPatientAnswer.getId());
                        if (StrUtil.isNotEmpty(library.getDefaultAnswer())) {
                            String resText = library.getDefaultAnswer();
                            log.info("{}:病历配置的回答:{}:为空不为空不为空,但在获取的时候,答案为空,开始回复默认语句,默认语句内容:{}", rasaResult, askPatientAnswer.getId(), resText);
                            HumanUtil.textDriven(resText, roomId);
                            // 保存记录
                            saveQaRecord(talkReqVO.getProcessId(), "default", library.getId(), talkReqVO.getText(), library, resText);
                        } else {
                            log.info("{}:病历配置的回答:{}:为空不为空,但在获取的时候,答案为空,但是获取默认语句也为空,那么回复未识别语句", rasaResult, askPatientAnswer.getId());
                            HumanUtil.textDriven("您好,我没有听懂您说什么", roomId);
                        }

                    } else {
                        String resText = askPatientAnswer.getAnswer();
                        log.info("{}:找到了病历配置的回答语句:{},回答内容:{}", rasaResult, askPatientAnswer.getId(), resText);
                        HumanUtil.textDriven(resText, roomId);
                        // 保存记录
                        saveQaRecord(talkReqVO.getProcessId(), "patient", askPatientAnswer.getId(), talkReqVO.getText(), library, resText);
                    }

                }
            }
        }
        talkResultResVO.setType(1);
        return talkResultResVO;
    }

    private void saveQaRecord(String processId, String answerType, String answerId, String question, AskTemplateQuestionLibrary library, String resText) {
        DiagnosisQaRecord record = new DiagnosisQaRecord();
        record.setProcessId(processId);
        record.setAnswerType(answerType);
        record.setAnswerId(answerId);
        if (ObjectUtil.isNotEmpty(library)) {
            record.setQuestionLibraryId(library.getId());
        }
        record.setQuestion(question);
        record.setAnswer(resText);
        record.setCreateUserId(UserUtil.getUser().getId());
        record.insert();
    }


    private void setActionRelation(TalkResultResVO talkResultResVO) {
        Integer type = talkResultResVO.getType();
        String actionId = talkResultResVO.getActionId();
        if (StrUtil.isEmpty(actionId) || null == type) {
            return;
        }

        // 体格检查
        if (type.equals(2)) {
            ConfigPhysicalTool configPhysicalTool = configPhysicalToolService.getById(actionId);
            if (null != configPhysicalTool) {
                talkResultResVO.setItemName(configPhysicalTool.getToolName());
                talkResultResVO.setItemImage(configPhysicalTool.getIconBase64());
                talkResultResVO.setRequireLocation(configPhysicalTool.getRequireLocation());
                // 生成树的时候,没有ID字段,所以用名称生成md5作为ID
                talkResultResVO.setActionType(new MD5().digestHex16(configPhysicalTool.getType()));
            }
        }

        // 辅助检查
        if (type.equals(3)) {
            ConfigAncillaryItem configAncillaryItem = configAncillaryItemService.getById(actionId);
            if (null != configAncillaryItem) {
                talkResultResVO.setItemName(configAncillaryItem.getItemName());
                // 生成树的时候,没有ID字段,所以用名称生成md5作为ID
                talkResultResVO.setActionType(new MD5().digestHex16(configAncillaryItem.getType()));
            }
        }

    }

    @Override
    public TalkResultResVO talkByVideo(TalkVideoReqVO talkReqVO) throws IOException {
        // 根据processId找到对应的病人
        Process process = Optional.ofNullable(processService.getById(talkReqVO.getProcessId())).orElseThrow(() -> new BusinessException("未找到诊疗进程"));
        // 调用rasa获取文字内容
        String rasaResult = RasaUtil.talkRasa(talkReqVO.getText(), UserUtil.getUser().getId());
        log.info("rasa的回复是:{}", rasaResult);
        TalkResultResVO talkResultResVO = new TalkResultResVO();
        // 如果rasa没有识别出来,则返回默认值
        if (StrUtil.isBlank(rasaResult)) {
            talkResultResVO.setVideoUrl(videoUrl + defaultNoMatchId);
            talkResultResVO.setVideoBase64(getAnswerVideoBase64OrDefault(defaultNoMatchId,null));
            saveQaRecord(talkReqVO.getProcessId(), "default", null, talkReqVO.getText(), null, "您好,我没有听懂您说什么");
        }

        // 这里校验,rasa回复的结果是不是action
        // 这里设置的模板,对于action的动作全部是用ancillary_ | tool_进行标记,详情看生成rasa的yml的代码:RasaServiceImpl.generateDomain
        // ancillary_ | tool_
        if (rasaResult.startsWith("ancillary_") || rasaResult.startsWith("tool_")) {
            log.info("呼出语句:{}", rasaResult);
            List<String> actionList = StrUtil.split(rasaResult, '_');
            if (actionList.size() > 1) {
                // 在这里给socket回复,设置为动作
                talkResultResVO.setActionId(actionList.get(1));
                talkResultResVO.setType("ancillary".equals(actionList.get(0)) ? 3 : 2);
                setActionRelation(talkResultResVO);
                return talkResultResVO;
            }
        } else {
            AskTemplateQuestionLibrary library = askTemplateQuestionLibraryService.getById(rasaResult);
            if (ObjectUtil.isEmpty(library)) {
                log.info("{}:未从问题库中找到,回答未识别语句", rasaResult);
                talkResultResVO.setVideoUrl(videoUrl + defaultNoMatchId);
                talkResultResVO.setVideoBase64(getAnswerVideoBase64OrDefault(defaultNoMatchId,null));
                saveQaRecord(talkReqVO.getProcessId(), "default", null, talkReqVO.getText(), null, "您好,我没有听懂您说什么");
            } else {
                AskPatientAnswer askPatientAnswer = askPatientAnswerService.lambdaQuery().eq(AskPatientAnswer::getMedicalId, process.getMedicalRecId())
                        .eq(AskPatientAnswer::getLibraryQuestionId, library.getId()).last("limit 1").one();
                // 如果没有找到回答,去默认回答里面看看有没有
                if (ObjectUtil.isEmpty(askPatientAnswer)) {
                    log.info("{}:病历配置,未从AskPatientAnswer中找到回答结果,尝试回答默认答案", rasaResult);
                    // 首先看看default里面是不是存在,如果存在,就从default里面去找
                    if (StrUtil.isNotEmpty(library.getDefaultAnswer()) && StrUtil.isNotBlank(library.getDefaultAnswerResourceId())) {
                        String resText = library.getDefaultAnswer();
                        talkResultResVO.setVideoUrl(videoUrl + library.getDefaultAnswerResourceId());
                        talkResultResVO.setVideoBase64(getAnswerVideoBase64OrDefault(library.getDefaultAnswerResourceId(),null));
                        // 保存记录
                        saveQaRecord(talkReqVO.getProcessId(), "default", library.getId(), talkReqVO.getText(), library, resText);
                        log.info("{}:找到了默认答案:{}", rasaResult, talkReqVO.getText());
                    } else {
                        log.info("{}:没有从默认答案中找到找到默认内容,回复未识别语句", rasaResult);
                        talkResultResVO.setVideoUrl(videoUrl + (StrUtil.isEmpty(library.getDefaultAnswerResourceId()) ? defaultNoMatchId
                                :library.getDefaultAnswerResourceId()));
                        talkResultResVO.setVideoBase64(getAnswerVideoBase64OrDefault(library.getDefaultAnswerResourceId(),defaultNoMatchId));
                        saveQaRecord(talkReqVO.getProcessId(), "default", null, talkReqVO.getText(), library, "您好,我没有听懂您说什么");
                    }
                } else {
                    if (StrUtil.isEmpty(askPatientAnswer.getAnswer())) {
                        log.info("{}:病历配置的回答:{}:为空不为空,但在获取的时候,答案为空,尝试回复默认语句", rasaResult, askPatientAnswer.getId());
                        if (StrUtil.isNotEmpty(library.getDefaultAnswer())) {
                            String resText = library.getDefaultAnswer();
                            log.info("{}:病历配置的回答:{}:为空不为空不为空,但在获取的时候,答案为空,开始回复默认语句,默认语句内容:{}", rasaResult, askPatientAnswer.getId(), resText);
                            //  这里返回视频
                            talkResultResVO.setVideoUrl(videoUrl + library.getDefaultAnswerResourceId());
                            talkResultResVO.setVideoBase64(getAnswerVideoBase64OrDefault(library.getDefaultAnswerResourceId(),defaultNoMatchId));
                            // 保存记录
                            saveQaRecord(talkReqVO.getProcessId(), "default", library.getId(), talkReqVO.getText(), library, resText);
                        } else {
                            log.info("{}:病历配置的回答:{}:为空不为空,但在获取的时候,答案为空,但是获取默认语句也为空,那么回复未识别语句", rasaResult, askPatientAnswer.getId());
                            talkResultResVO.setVideoUrl(videoUrl + defaultNoMatchId);
                            talkResultResVO.setVideoBase64(getAnswerVideoBase64OrDefault(defaultNoMatchId,null));
                            saveQaRecord(talkReqVO.getProcessId(), "default", null, talkReqVO.getText(), library, "您好,我没有听懂您说什么");
                        }

                    } else {
                        String resText = askPatientAnswer.getAnswer();
                        log.info("{}:找到了病历配置的回答语句:{},回答内容:{}", rasaResult, askPatientAnswer.getId(), resText);
                        talkResultResVO.setVideoUrl(videoUrl + askPatientAnswer.getAnswerResourceId());
                        talkResultResVO.setVideoBase64(getAnswerVideoBase64OrDefault(askPatientAnswer.getAnswerResourceId(),defaultNoMatchId));
                        // 保存记录
                        saveQaRecord(talkReqVO.getProcessId(), "patient", askPatientAnswer.getId(), talkReqVO.getText(), library, resText);
                    }

                }
            }
        }
        talkResultResVO.setType(1);
        return talkResultResVO;
    }

    @Override
    public void downloadTalkVideo(String fileResourceId, HttpServletResponse response) {
        FileResource fileResource = fileResourceService.getById(fileResourceId);
        if (ObjectUtil.isEmpty(fileResource)) {
            throw new BusinessException("未找到回复视频");
        }
        try (InputStream inputStream = MinioUtil.download(fileResource.getMinioId())) {
            IoUtil.copy(inputStream, response.getOutputStream());
        } catch (Exception e) {
            log.error("获取视频失败", e);
            throw new BusinessException("未找到回复视频");
        }
    }

    /**
     * 获取应答视频的base64位编码
     * @param answerId 应答id
     * @param defaultValue 默认应答id
     * @return 应答视频base64位编码
     */
    private String getAnswerVideoBase64OrDefault(String answerId, String defaultValue) {
        Props props = new Props(videoPath + File.separator + "index");
        String fileName = "";
        if (StrUtil.isNotEmpty(answerId) && StrUtil.isNotEmpty(props.getStr(answerId))){
            fileName = props.getStr(answerId);
        }else if (StrUtil.isNotEmpty(defaultValue)){
            fileName = props.getStr(defaultValue);
        }
        if (StrUtil.isEmpty(fileName)){
            return null;
        }
        return Base64Encoder.encode(FileUtil.readBytes(videoPath + File.separator + fileName));
    }
}