package com.moral.api.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.moral.api.entity.Organization;
import com.moral.api.entity.Supervision;
import com.moral.api.mapper.SupervisionMapper;
import com.moral.api.service.OrganizationService;
import com.moral.api.service.SupervisionService;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.constant.Constants;
import com.moral.constant.ResponseCodeEnum;
import com.moral.util.FileUtils;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.system.ApplicationHome;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.ObjectUtils;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Collectors;


/**
 * <p>
 * 督办单 服务实现类
 * </p>
 *
 * @author moral
 * @since 2022-01-12
 */
@Service
@Slf4j
public class SupervisionServiceImpl extends ServiceImpl<SupervisionMapper, Supervision> implements SupervisionService {

    @Autowired
    private SupervisionMapper supervisionMapper;

    @Autowired
    private OrganizationService organizationService;

    @Override
    @Transactional
    public Map<String, Object> add(List<MultipartFile> files, Supervision supervision) {
        //获取jar包所在目录
        ApplicationHome applicationHome = new ApplicationHome(getClass());
        //在jar包所在目录下生成一个upload文件夹用来存储上传的图片
        String path = applicationHome.getSource().getParentFile().toString() + "/static/img";

        Map<String, Object> result = new HashMap<>();

        //督办单编号唯一
        QueryWrapper<Supervision> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("number", supervision.getNumber()).eq("is_delete", Constants.NOT_DELETE);
        if (supervisionMapper.selectOne(queryWrapper) != null) {
            result.put("code", ResponseCodeEnum.SUPERVISION_NUMBER_EXIT.getCode());
            result.put("msg", ResponseCodeEnum.SUPERVISION_NUMBER_EXIT.getMsg());
            return result;
        }

        List<String> images = new ArrayList<>();

        if (files.size() > 0) {
            for (MultipartFile file : files) {
                //判断上传文件格式
                String fileType = file.getContentType();
                if ("image/jpg".equals(fileType) || "image/png".equals(fileType) || "image/jpeg".equals(fileType)) {
                    //获取文件名
                    String fileName = file.getOriginalFilename();
                    //获取文件后缀名
                    String suffixName = fileName.substring(fileName.lastIndexOf("."));
                    //重新生成文件名
                    fileName = UUID.randomUUID() + suffixName;
                    //图片上传
                    if (FileUtils.upload(file, path, fileName)) {
                        images.add(fileName);
                    }
                } else {
                    result.put("code", ResponseCodeEnum.IMG_UPLOAD_FAIl.getCode());
                    result.put("msg", ResponseCodeEnum.IMG_UPLOAD_FAIl.getMsg());
                    return result;
                }
            }
        }

        if (!ObjectUtils.isEmpty(images)) {
            String image = images.stream()
                    .map(String::valueOf)
                    .collect(Collectors.joining(","));
            supervision.setImages(image);
        }
        supervisionMapper.insert(supervision);
        return result;
    }

    @Override
    public Map<String, Object> selectSupervisions(Map<String, Object> params) {
        //获取查询参数
        int page = Integer.parseInt(params.get("page").toString());
        int size = Integer.parseInt(params.get("size").toString());
        Object start = params.get("start");
        Object end = params.get("end");
        Integer orgId = Integer.parseInt(params.get("organizationId").toString());

        //获取组织下所有子组织
        List<Organization> organizations = organizationService.getChildrenOrganizationsById(orgId);
        List<Integer> orgIds = organizations.stream().map(Organization::getId).collect(Collectors.toList());
        orgIds.add(orgId);

        QueryWrapper<Supervision> supervisionQueryWrapper = new QueryWrapper<>();
        supervisionQueryWrapper.eq("is_delete", Constants.NOT_DELETE).in("organization_id", orgIds);
        //如果指定了地区，就获取该组织及其子组织下该地区的。否则获取该组织及其子组织下所有的
        if (params.get("cityCode") != null) {
            String cityCode = params.get("cityCode").toString();
            //如果是市级，就查询该市下所有县市区的，否则只查询该县市区的
            if (cityCode.endsWith("00")) {
                supervisionQueryWrapper.eq("CONCAT(LEFT(city_code,4),'00')", cityCode);
            } else {
                supervisionQueryWrapper.eq("city_code", cityCode);
            }
        }

        if (start != null) {
            supervisionQueryWrapper.ge("time", start);
        }
        if (start != null) {
            supervisionQueryWrapper.le("time", end);
        }

        //按time倒序
        supervisionQueryWrapper.orderByDesc("time");

        //分页
        Page<Supervision> supervisionPage = new Page<>(page, size);
        supervisionMapper.selectPage(supervisionPage, supervisionQueryWrapper);
        List<Supervision> supervisions = supervisionPage.getRecords();

        Map<String, Object> result = new LinkedHashMap<>();
        result.put("total", supervisionPage.getTotal());
        result.put("totalPage", supervisionPage.getPages());
        result.put("current", supervisionPage.getCurrent());
        result.put("pageSize", supervisionPage.getSize());
        result.put("item", supervisions);

        return result;
    }

    @Override
    @Transactional
    public Map<String, Object> updateSupervision(List<MultipartFile> files, Supervision supervision) {
        //获取jar包所在目录
        ApplicationHome applicationHome = new ApplicationHome(getClass());
        //在jar包所在目录下生成一个upload文件夹用来存储上传的图片
        String path = applicationHome.getSource().getParentFile().toString() + "/static/img";

        Map<String, Object> result = new HashMap<>();

        List<String> images = new ArrayList<>();

        //如果上传了图片，就覆盖之前图片，删除服务器中图片
        if (files.size() > 0) {
            //删除服务器中的原来督办单中图片
            String[] oldImages = supervisionMapper.selectById(supervision.getId()).getImages().split(",");
            for (String image : oldImages) {
                String realPath = path + File.separator + image;
                File file = new File(realPath);
                if (file.exists() && file.isFile()) {
                    file.delete();
                }
            }


            for (MultipartFile file : files) {
                //判断上传文件格式
                String fileType = file.getContentType();
                if ("image/jpg".equals(fileType) || "image/png".equals(fileType) || "image/jpeg".equals(fileType)) {
                    //获取文件名
                    String fileName = file.getOriginalFilename();
                    //获取文件后缀名
                    String suffixName = fileName.substring(fileName.lastIndexOf("."));
                    //重新生成文件名
                    fileName = UUID.randomUUID() + suffixName;
                    //图片上传
                    if (FileUtils.upload(file, path, fileName)) {
                        images.add(fileName);
                    }
                } else {
                    result.put("code", ResponseCodeEnum.IMG_UPLOAD_FAIl.getCode());
                    result.put("msg", ResponseCodeEnum.IMG_UPLOAD_FAIl.getMsg());
                    return result;
                }
            }
        }


        if (!ObjectUtils.isEmpty(images)) {

            String image = images.stream()
                    .map(String::valueOf)
                    .collect(Collectors.joining(","));
            supervision.setImages(image);
        }
        supervisionMapper.updateById(supervision);
        return result;
    }

    @Override
    @Transactional
    public void deleteSupervision(Integer supervisionId) {
        QueryWrapper<Supervision> queryWrapper = new QueryWrapper<>();
        queryWrapper.select("id", "images").eq("id", supervisionId);
        Supervision supervision = supervisionMapper.selectOne(queryWrapper);
        String[] images = supervision.getImages().split(",");

        //逻辑删除
        supervision.setIsDelete(Constants.DELETE);
        supervision.setImages(null);
        supervisionMapper.updateById(supervision);


        //删除服务器中的督办单中图片
        ApplicationHome applicationHome = new ApplicationHome(getClass());
        String path = applicationHome.getSource().getParentFile().toString() + "/static/img";
        for (String image : images) {
            String realPath = path + File.separator + image;
            File file = new File(realPath);
            if (file.exists() && file.isFile()) {
                file.delete();
            }
        }
    }
}