package cn.huge.module.knowledge.service;

import cn.huge.base.common.exception.ServiceException;
import cn.huge.base.common.utils.DateUtils;
import cn.huge.base.common.utils.IdUtils;
import cn.huge.module.client.api.impl.UtilsClientImpl;
import cn.huge.module.knowledge.dao.mapper.DyhCaseInfoMapper;
import cn.huge.module.knowledge.domain.dto.CaseYearCountDTO;
import cn.huge.module.knowledge.domain.dto.CategoryCountDTO;
import cn.huge.module.knowledge.domain.dto.DictionaryDTO;
import cn.huge.module.knowledge.domain.dto.DyhCaseInfoDTO;
import cn.huge.module.knowledge.domain.dto.DyhCaseDetailDTO;
import cn.huge.module.knowledge.domain.po.DyhCaseInfo;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.PageRequest;
import org.springframework.transaction.annotation.Transactional;

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

/**
 * @title: 调解案件信息表业务逻辑处理
 * @Description 调解案件信息表业务逻辑处理
 * @company hugeinfo
 * @author huangh
 * @Time 2024-12-20 10:02:00
 * @version 1.0.0
 */
@Slf4j
@Service
@Transactional(rollbackFor = Exception.class)
public class DyhCaseInfoService extends ServiceImpl<DyhCaseInfoMapper, DyhCaseInfo>{

    @Autowired
    private DyhCaseInfoMapper mapper;

    @Autowired
    private UtilsClientImpl utilsClient;

    /**
     * 更新对象
     * @param entity 对象
     */
    public void updateDyhCaseInfo(DyhCaseInfo entity){
        try{
            mapper.updateDyhCaseInfo(entity);
        }catch (Exception e){
            log.error("[DyhCaseInfoService.updateDyhCaseInfo]调用失败，异常信息："+e, e);
            throw new ServiceException("DyhCaseInfoService.updateDyhCaseInfo", e);
        }
    }

    /**
     * 条件更新对象
     * @param entity 对象
     * @param terms 条件
     */
    public void updateDyhCaseInfoTerms(DyhCaseInfo entity, Map<String, Object> terms){
        try{
            mapper.updateDyhCaseInfoTerms(entity, terms);
        }catch (Exception e){
            log.error("[DyhCaseInfoService.updateDyhCaseInfoTerms]调用失败，异常信息："+e, e);
            throw new ServiceException("DyhCaseInfoService.updateDyhCaseInfoTerms", e);
        }
    }

    /**
     * 根据编号物理删除
     * @param id 查询条件集合
     */
    public void deleteDyhCaseInfo(String id){
        try{
            mapper.deleteDyhCaseInfo(id);
        }catch (Exception e){
            log.error("[DyhCaseInfoService.deleteDyhCaseInfo]调用失败，异常信息："+e, e);
            throw new ServiceException("DyhCaseInfoService.deleteDyhCaseInfo", e);
        }
    }

    /**
     * 按条件查询
     * @param terms 条件
     * @return List
     */
    public List<DyhCaseInfo> listTerms(Map<String, Object> terms){
        return mapper.listTerms(terms);
    }

    /**
     * 按条件统计
     * @param terms 条件
     * @return long
     */
    public long countTerms(Map<String, Object> terms){
        return mapper.countTerms(terms);
    }


    /**
     * 各类别统计
     * @return List<CategoryCountDTO>
     */
    public List<DictionaryDTO> categoryCount(Map<String, Object> terms){
        try{
            DictionaryDTO yearCountDictionaryDTO = new DictionaryDTO();
            yearCountDictionaryDTO.setName("发生时间");
            yearCountDictionaryDTO.setChildren(new ArrayList<>());
            List<CategoryCountDTO> yearCount = this.yearCount(terms);
            for (CategoryCountDTO category : yearCount) {
                DictionaryDTO dictionary = new DictionaryDTO();
                BeanUtils.copyProperties(category, dictionary);
                yearCountDictionaryDTO.getChildren().add(dictionary);
            }

            DictionaryDTO areaCountDictionaryDTO = new DictionaryDTO();
            areaCountDictionaryDTO.setName("纠纷发生地");
            areaCountDictionaryDTO.setChildren(new ArrayList<>());
            List<CategoryCountDTO> areaCount = this.areaCount(terms);
            for (CategoryCountDTO category : areaCount) {
                DictionaryDTO dictionary = new DictionaryDTO();
                BeanUtils.copyProperties(category, dictionary);
                areaCountDictionaryDTO.getChildren().add(dictionary);
            }
            List<DictionaryDTO> categoryCount = new ArrayList<>();
            categoryCount.add(yearCountDictionaryDTO);
            categoryCount.add(areaCountDictionaryDTO);
            return categoryCount;
        }catch (Exception e){
            log.error("[CpwsCaseInfoService.categoryCount]调用失败，异常信息："+e, e);
            throw new ServiceException("CpwsCaseInfoService.categoryCount", e);
        }
    }

    /**
     * 年份统计
     * @return List<CategoryCountDTO>
     */
    public List<CategoryCountDTO> yearCount(Map<String, Object> terms){
        try{
            return mapper.yearCount(terms);
        }catch (Exception e){
            log.error("[CpwsCaseInfoService.yearCount]调用失败，异常信息："+e, e);
            throw new ServiceException("CpwsCaseInfoService.yearCount", e);
        }

    }

    /**
     * 根据编号查询案件描述和调解协议
     * @return List<CategoryCountDTO>
     */
    public DyhCaseInfo getDyhCaseById(String id){
        try{
            return mapper.getDyhCaseById(id);
        }catch (Exception e){
            log.error("[CpwsCaseInfoService.yearCount]调用失败，异常信息："+e, e);
            throw new ServiceException("CpwsCaseInfoService.yearCount", e);
        }
    }

    /**
     * 区域统计
     * @return List<CategoryCountDTO>
     */
    public List<CategoryCountDTO> areaCount(Map<String, Object> terms){
        try{
            return mapper.areaCount(terms);
        }catch (Exception e){
            log.error("[CpwsCaseInfoService.yearCount]调用失败，异常信息："+e, e);
            throw new ServiceException("CpwsCaseInfoService.yearCount", e);
        }

    }

    /**
     * 按条件分页查询
     * @param page 分页对象
     * @param terms 条件
     * @return Page
     */
    public Page<DyhCaseInfoDTO> pageQuery(PageRequest page, Map<String, Object> terms){
        long total = mapper.countTerms(terms);
        List<DyhCaseInfoDTO> content = mapper.pageTerms(page, terms);
        return new PageImpl<>(content, page, total);
    }

    /**
     * 新增或更新对象
     * @param dyhCaseInfo 实体对象
     */
    public void saveDyhCaseInfo(DyhCaseInfo dyhCaseInfo){
        try{
            Date nowDate = DateUtils.getNowDate();
            // 判断是否新增
            if (IdUtils.checkNewId(dyhCaseInfo.getId())){
                dyhCaseInfo.setId(utilsClient.getNewTimeId());
                dyhCaseInfo.setCreateTime(nowDate);
            }
            dyhCaseInfo.setUpdateTime(nowDate);
            this.saveOrUpdate(dyhCaseInfo);
        }catch (Exception e){
            log.error("[DyhCaseInfoService.saveDyhCaseInfo]调用失败，异常信息："+e, e);
            throw new ServiceException("DyhCaseInfoService.saveDyhCaseInfo", e);
        }
    }

    /**
     * 获取案件详情信息（隐私化处理）
     * @param id 案件ID
     * @return DyhCaseDetailDTO
     */
    public DyhCaseDetailDTO getCaseDetail(String id) {
        try {
            DyhCaseDetailDTO caseDetail = mapper.getCaseDetail(id);
            if (caseDetail != null) {
                // 创建DyhCaseInfo对象用于隐私化处理
                DyhCaseInfo caseInfo = new DyhCaseInfo();
                BeanUtils.copyProperties(caseDetail, caseInfo);
                log.info("caseInfo:{}",caseInfo);
                // 进行隐私化处理
                DyhCaseInfo processedCase = privacyProcessing(caseInfo);
                log.info("processedCase:{}",processedCase);
                // 将处理后的结果复制回DTO
                BeanUtils.copyProperties(processedCase, caseDetail);

            }
            return caseDetail;
        } catch (Exception e) {
            log.error("[DyhCaseInfoService.getCaseDetail]调用失败，异常信息："+e, e);
            throw new ServiceException("DyhCaseInfoService.getCaseDetail", e);
        }
    }

    /**
     * 根据ID查询案件标题（隐私化处理）
     * @param id 案件ID
     * @return DyhCaseInfo 仅包含id和caseTitle
     */
    public DyhCaseInfo getCaseTitleById(String id) {
        try {
            DyhCaseInfo caseInfo = mapper.getCaseTitleById(id);
            if (caseInfo != null) {
                DyhCaseInfo processedCase = privacyProcessing(caseInfo);
                // 只保留需要的字段
                caseInfo.setCaseTitle(processedCase.getCaseTitle());

            }
            return caseInfo;
        } catch (Exception e) {
            log.error("[DyhCaseInfoService.getCaseTitleById]调用失败，异常信息："+e, e);
            throw new ServiceException("DyhCaseInfoService.getCaseTitleById", e);
        }
    }

    /**
     * 对案件信息中的姓名进行隐私化处理
     * @param caseInfo 案件信息对象
     * @return 处理后的案件信息对象
     */
    public DyhCaseInfo privacyProcessing(DyhCaseInfo caseInfo) {
        try {
            if (caseInfo == null) {
                return null;
            }

            // 处理原告和被告信息
            String plaintiffs = caseInfo.getPlaintiffs();
            String defendants = caseInfo.getDefendants();

            if (plaintiffs != null && !plaintiffs.isEmpty()) {
                String[] plaintiffArray = plaintiffs.split(",");
                String[] newPlaintiffs = new String[plaintiffArray.length];
                
                for (int i = 0; i < plaintiffArray.length; i++) {
                    newPlaintiffs[i] = processName(plaintiffArray[i]);
                }
                
                // 处理重名情况
                newPlaintiffs = handleDuplicateNames(newPlaintiffs);
                
                // 更新原告信息
                caseInfo.setPlaintiffs(String.join(",", newPlaintiffs));
                
                // 在案件描述和调解协议中替换姓名
                for (int i = 0; i < plaintiffArray.length; i++) {
                    String oldName = plaintiffArray[i];
                    String newName = newPlaintiffs[i];
                    
                    if (caseInfo.getCaseDes() != null) {
                        caseInfo.setCaseDes(caseInfo.getCaseDes().replace(oldName, newName));
                    }
                    if (caseInfo.getAgreeContent() != null) {
                        caseInfo.setAgreeContent(caseInfo.getAgreeContent().replace(oldName, newName));
                    }
                    if (caseInfo.getCaseTitle() != null) {
                        caseInfo.setCaseTitle(caseInfo.getCaseTitle().replace(oldName, newName));
                    }
                }
            }

            if (defendants != null && !defendants.isEmpty()) {
                String[] defendantArray = defendants.split(",");
                String[] newDefendants = new String[defendantArray.length];
                
                for (int i = 0; i < defendantArray.length; i++) {
                    newDefendants[i] = processName(defendantArray[i]);
                }
                
                // 处理重名情况
                newDefendants = handleDuplicateNames(newDefendants);
                
                // 更新被告信息
                caseInfo.setDefendants(String.join(",", newDefendants));
                
                // 在案件描述和调解协议中替换姓名
                for (int i = 0; i < defendantArray.length; i++) {
                    String oldName = defendantArray[i];
                    String newName = newDefendants[i];
                    
                    if (caseInfo.getCaseDes() != null) {
                        caseInfo.setCaseDes(caseInfo.getCaseDes().replace(oldName, newName));
                    }
                    if (caseInfo.getAgreeContent() != null) {
                        caseInfo.setAgreeContent(caseInfo.getAgreeContent().replace(oldName, newName));
                    }
                    if (caseInfo.getCaseTitle() != null) {
                        caseInfo.setCaseTitle(caseInfo.getCaseTitle().replace(oldName, newName));
                    }
                }
            }

            return caseInfo;
        } catch (Exception e) {
            log.error("[DyhCaseInfoService.privacyProcessing]隐私化处理失败，异常信息：" + e, e);
            throw new ServiceException("DyhCaseInfoService.privacyProcessing", e);
        }
    }

    /**
     * 处理单个姓名的隐私化
     * @param name 原始姓名
     * @return 隐私化后的姓名
     */
    private String processName(String name) {
        if (name == null || name.isEmpty()) {
            return name;
        }
        
        if (name.length() > 4) {
            return "某某" + name.substring(name.length() - 2);
        } else {
            return name.charAt(0) + "某" + name.charAt(name.length() - 1);
        }
    }

    /**
     * 处理重名情况
     * @param names 处理后的姓名数组
     * @return 处理重名后的姓名数组
     */
    private String[] handleDuplicateNames(String[] names) {
        Map<String, Integer> nameCount = new HashMap<>();
        String[] result = new String[names.length];
        
        for (int i = 0; i < names.length; i++) {
            String name = names[i];
            nameCount.put(name, nameCount.getOrDefault(name, 0) + 1);
            
            if (nameCount.get(name) > 1) {
                result[i] = name + (nameCount.get(name) - 1);
            } else {
                result[i] = name;
            }
        }
        
        return result;
    }

}