package com.example.jz.service.impl;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.metadata.data.ImageData;
import com.alibaba.excel.metadata.data.WriteCellData;
import com.alibaba.excel.util.IoUtils;
import com.alibaba.excel.util.StringUtils;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.jz.dao.*;
import com.example.jz.modle.PageParam;
import com.example.jz.modle.dto.AddReportDto;
import com.example.jz.modle.dto.ReportParamDto;
import com.example.jz.modle.entity.*;
import com.example.jz.modle.vo.ExportExcelReportVo;
import com.example.jz.modle.vo.ReportListVo;
import com.example.jz.service.MinIOService;
import com.example.jz.service.ReportService;
import com.example.jz.service.UserService;
import lombok.SneakyThrows;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.Serializable;
import java.net.URL;
import java.net.URLEncoder;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 报案表(Report)表服务实现类
 *
 * @author makejava
 * @since 2022-07-13 11:52:58
 */
@Service("reportService")
public class ReportServiceImpl extends ServiceImpl<ReportDao, Report> implements ReportService {

    @Autowired
    private ReportDao reportDao;
    @Autowired
    private GroupDao groupDao;
    @Autowired
    private GroupUserDao groupUserDao;

    @Resource
    CauseDao causeDao;

    @Resource
    UserDao userDao;
    @Resource
    UserService userService;
    @Resource
    ReportService reportService;

    @Resource
    MinIOService minIOService;

    /**
     * 审核报案
     *
     * @param report
     * @return
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Boolean audit(Report report) {
        // 1. 更新报案表
        report.setStatus(1);
        report.setIsInGroup(1);
        reportDao.updateById(report);
        // 2. 更新群用户表
        Group group = groupDao.selectOne(new LambdaQueryWrapper<>(Group.class)
                .eq(Group::getCauseId, report.getCauseId()));
        if (!groupUserDao.selectUserList(group.getId()).contains(report.getUserId())) {
            GroupUser groupUser = new GroupUser().setGroupId(group.getId()).setUserId(report.getId()).setCtime(new Date()).setBanSpeech(0);
            return groupUserDao.insert(groupUser) == 1 ? true : false;
        }
        return true;
    }

    @Override
    public void leaveGroup(Integer id, Integer groupId) {
        Report report = new Report();
        report.setIsInGroup(0);
        report.setId(id);
        reportDao.updateById(report);
        groupUserDao.delete(new QueryWrapper<GroupUser>().eq("user_id", id).eq("group_id", groupId));
    }

    @Override
    @SneakyThrows
    public void exportReporter(Integer id, HttpServletResponse response) {
        //查询报案人相关信息通过案件
        List<Report> reports = reportDao.selectList(new QueryWrapper<Report>().eq("cause_id", id).orderByDesc());
        ArrayList<ExportExcelReportVo> exportExcelReportVos = new ArrayList<>();
        reports.forEach(
                a -> {
                    ExportExcelReportVo exportExcelReportVo = new ExportExcelReportVo();
                    User user = userDao.selectOne(new QueryWrapper<User>().eq("id", a.getUserId()));
                    BeanUtils.copyProperties(a, exportExcelReportVo);
                    exportExcelReportVo.setUserIdcard(user.getUserIdcard());
                    exportExcelReportVo.setUserMobile(user.getUserMobile());
                    exportExcelReportVo.setRealName(user.getRealName());
                    WriteCellData<List<ImageData>> objectWriteCellData = new WriteCellData<>();
                    ArrayList<ImageData> imageDataList = new ArrayList<>();
                    if (StringUtils.isNotBlank(a.getReportMaterials())) {
                        String[] urls = a.getReportMaterials().split(",");
                        if (urls.length == 1) {
                            int width = 600;
                            try {
                                ImageData imageData = new ImageData();
                                imageData.setImage(IoUtils.toByteArray(new URL(minIOService.getPreviewFileUrl(urls[0])).openConnection().getInputStream()));
                                imageData.setRight(width / 2);
                                imageDataList.add(imageData);
                            } catch (Exception e) {
                                throw new RuntimeException(e);
                            }
                        } else {
                            for (int i = 0; i < urls.length; i++) {
                                int width = 600;
                                try {
                                    ImageData imageData = new ImageData();
                                    imageData.setImage(IoUtils.toByteArray(new URL(minIOService.getPreviewFileUrl(urls[i])).openConnection().getInputStream()));
                                    imageData.setLeft(width / urls.length * i);
                                    imageData.setRight(width - width / urls.length * (i + 1));
                                    imageDataList.add(imageData);
                                } catch (Exception e) {
                                    throw new RuntimeException(e);
                                }
                            }
                        }
                    }
                    objectWriteCellData.setImageDataList(imageDataList);
                    exportExcelReportVo.setWriteCellData(objectWriteCellData);
                    exportExcelReportVos.add(exportExcelReportVo);
                }
        );
        String name = causeDao.selectOne(new QueryWrapper<Cause>().eq("id", id)).getName();
        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        response.setCharacterEncoding("utf-8");
        response.setHeader("Content-disposition", "attachment;filename=" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd")) + URLEncoder.encode(name + ".xlsx", "utf-8"));
        EasyExcel.write(response.getOutputStream(), ExportExcelReportVo.class).sheet("材料导出").doWrite(exportExcelReportVos);
    }

    @Override
    public Page<ReportListVo> getPage(Page<ReportListVo> page, ReportParamDto reportParamDto) {
        return reportDao.getPage(page, reportParamDto);
    }

    @Override
    public ReportListVo getReportListVoById(Serializable id) {
        return reportDao.getReportListVoById(id);
    }

    @Override
    public Page<ReportListVo> getPageByGroupId(Page<ReportListVo> page, ReportParamDto reportParamDto, Integer causeId) {
        Long size = (page.getCurrent() - 1) * page.getSize();
        Long current = page.getSize();
        Page<ReportListVo> aaa = new PageParam<>();
        List<ReportListVo> list = reportDao.getPageByGroupId(reportParamDto, causeId, size, current);
        list.forEach(item -> {
            if (item.getIsInGroup() == 1) {
                item.setGroupId(groupDao.selectOne(new QueryWrapper<Group>().eq("cause_id", causeId)).getId());
            }
        });
        aaa.setRecords(list);
        Integer pageByGroupIdCount = reportDao.getPageByGroupIdCount(reportParamDto, causeId);
        aaa.setTotal(pageByGroupIdCount);
        aaa.getRecords().stream().forEach(x -> x.setIdcard(x.getIdcard().replaceAll("(?<=[\\d]{3})\\d(?=[\\d]{4})", "*")));
        return aaa;
    }

    @Override
    @Transactional
    public Boolean addReport(AddReportDto addReportDto) {
        User user = userDao.selectOne(new LambdaQueryWrapper<User>(User.class).eq(User::getUserIdcard, addReportDto.getIdcard()));
        if (user == null) {
            // 如果用户不存在 则添加用户
            user = new User().setUserIdcard(addReportDto.getIdcard()).setUserMobile(addReportDto.getMobile()).setRealName(addReportDto.getReporterName())
                    .setModifyTime(new Date()).setUserRegtime(new Date()).setPic(addReportDto.getPic()).setCtime(new Date());
            userService.save(user);
        }
        // 添加人员进群组
//        groupUserDao.insert(new GroupUser()
//                .setGroupId(groupDao.selectOne(new QueryWrapper<Group>().eq("cause_id", addReportDto.getCauseId())).getId())
//                .setUserId(user.getId()).setCtime(new Date())
//                .setBanSpeech(0));
        // 添加报案信息
        Report report = new Report();
        BeanUtils.copyProperties(addReportDto, report);
        report
                .setCreator(userDao.selectOne(new QueryWrapper<User>().eq("login_username", SecurityContextHolder.getContext().getAuthentication().getPrincipal())).getId())
                .setUserId(user.getId())
                .setCtime(new Date())
                .setStatus(0)
                .setIsInGroup(0)
                .setReportMethod("后台录入")
                .setIsCommission("0").setReportTime(new Date())
                .setCauseId(addReportDto.getCauseId());
        return reportService.save(report);
    }

    @Override
    public List<Report> listGroup(Integer id) {
        return reportDao.selectListGroup(id);
    }
}