package com.caimei.service.impl;

import com.caimei.mapper.ShopMapper;
import com.caimei.mapper.UserMapper;
import com.caimei.model.ResponseJson;
import com.caimei.model.dto.ShopInfoDto;
import com.caimei.model.po.CmBrandAuthFilePo;
import com.caimei.model.po.UserPo;
import com.caimei.model.vo.*;
import com.caimei.service.ShopService;
import com.caimei.utils.*;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;
import java.io.File;
import java.io.FileInputStream;
import java.util.*;

/**
 * Description
 *
 * @author : Aslee
 * @date : 2021/5/11
 */
@Slf4j
@Service
public class ShopServiceImpl implements ShopService {

    @Resource
    private ShopMapper shopMapper;
    @Resource
    private UserMapper userMapper;

    @Override
    public ResponseJson<PageInfo<ShopListVo>> getShopList(Integer listType, String shopName, Integer shopType, Integer brandId, String mobile, String linkMan, Integer lowerAuditStatus, Integer pageNum, Integer pageSize) {
        listType = null == listType ? 1 : listType;
        PageHelper.startPage(pageNum, pageSize);
        List<ShopListVo> shopList = shopMapper.getShopList(listType, shopName, shopType, brandId, mobile, linkMan);
        ListIterator<ShopListVo> iterator = shopList.listIterator();
        while (iterator.hasNext()) {
            ShopListVo shop = iterator.next();
            int waitAuditNum = shop.getWaitAuditNum();
            if (waitAuditNum > 0) {
                shop.setLowerAuditStatus(0);
                // 查询筛选项处理
                if (null != lowerAuditStatus && 1 == lowerAuditStatus) {
                    iterator.remove();
                }
            }else {
                shop.setLowerAuditStatus(1);
                // 查询筛选项处理
                if (null != lowerAuditStatus && 0 == lowerAuditStatus) {
                    iterator.remove();
                }
            }
        }
        PageInfo<ShopListVo> pageData = new PageInfo<>(shopList);
        return ResponseJson.success(pageData);
    }

    @Override
    public ResponseJson updateShopStatus(Integer authUserId, Integer status) {
        if (authUserId == null) {
            return ResponseJson.error("请输入用户id");
        }
        if (status == null) {
            return ResponseJson.error("请输入要更新的状态值");
        } else if (status != 0 && status != 1) {
            return ResponseJson.error("状态值只能为0或1");
        }
        shopMapper.updateShopStatusByUserId(authUserId, status);
        if (status == 0) {
            return ResponseJson.success("停用供应商成功");
        } else {
            return ResponseJson.success("启用供应商成功");
        }
    }

    @Override
    public ResponseJson resetShopPassword(Integer authUserId) {
        if (authUserId == null) {
            return ResponseJson.error("请输入用户id");
        }
        String newPassword = CodeUtil.generateCode(8);
        String md5Password = Md5Util.md5(newPassword);
        userMapper.updatePasswordByUserId(authUserId, md5Password);
        String mobile = shopMapper.getShopMobileByUserId(authUserId);
        boolean smsFlag = AliyunSmsUtil.sendSms(mobile, 14, "{password:\"" + newPassword + "\"}");
        if (!smsFlag) {
            // 短信发送失败重试一次
            AliyunSmsUtil.sendSms(mobile, 14, "{password:\"" + newPassword + "\"}");
        }
        log.info("供应商重置密码,用户id:" + authUserId + ",新密码:" + newPassword);
        return ResponseJson.success("密码重置成功");
    }

    @Override
    public ResponseJson<FileVo> uploadFile(Integer authUserId, Integer brandId, MultipartFile file) {
        authUserId = (null != authUserId && authUserId > 0) ? authUserId : null;
        String fileAllName = file.getOriginalFilename();
        String fileType = fileAllName.substring(fileAllName.lastIndexOf(".") + 1);
        String fileName = file.getResource().getFilename();
        String uuid = UUID.randomUUID().toString().replaceAll("-", "");
        String filePath = uuid + "." + fileType;
        String contentType = OSSUtils.getContentType(fileAllName);
        log.info(">>>>>>>>>>>>>上传文件，用户id：" + authUserId);
        try {
            //保存本地
            File uploadFile = OSSUtils.ossUpload(file);
            //判断文件的唯一性,转换成16进制md5值
            String md5Hex = DigestUtils.md5Hex(new FileInputStream(uploadFile));
            CmBrandAuthFilePo cmBrandAuthFile = null;
            if (null != authUserId) {
                // 查找该供应商下是否已存在相同文件
                CmBrandAuthFilePo searchFile = new CmBrandAuthFilePo();
                searchFile.setAuthUserId(authUserId);
                searchFile.setBrandId(brandId);
                searchFile.setMd5Hex(md5Hex);
                cmBrandAuthFile = shopMapper.getStatementFile(searchFile);
            }
            if (cmBrandAuthFile == null) {
                log.info("默认路径>>>" + uploadFile.getAbsolutePath());
                // 修改情况下，如果原来已经选择了文件代理声明，并且旧文件与新文件不同，需要将旧文件删除
                if (null != authUserId) {
                    deleteFile(authUserId, brandId);
                }
                //将新文件上传oss
                OSSUtils.ossUpload(filePath, uploadFile, contentType);
                //删除本地文件
                OSSUtils.deleteFile(uploadFile);
                //保存关联关系
                cmBrandAuthFile = new CmBrandAuthFilePo();
                cmBrandAuthFile.setAuthUserId(authUserId);
                cmBrandAuthFile.setBrandId(brandId);
                cmBrandAuthFile.setName(fileName);
                cmBrandAuthFile.setOssName(filePath);
                cmBrandAuthFile.setMd5Hex(md5Hex);
                cmBrandAuthFile.setUploadTime(new Date());
                shopMapper.insertStatementFile(cmBrandAuthFile);
            } else {
                //删除本地文件
                OSSUtils.deleteFile(uploadFile);
            }
            FileVo fileVo = new FileVo();
            fileVo.setFileId(cmBrandAuthFile.getId());
            fileVo.setFileName(cmBrandAuthFile.getName());
            return ResponseJson.success("文件上传成功", fileVo);
        } catch (Exception e) {
            log.error("<<<<< 文件上传异常 >>>>>");
            return ResponseJson.error("文件上传失败", null);
        }
    }

    @Override
    public void deleteFile(Integer authUserId, Integer brandId) {
        CmBrandAuthFilePo searchFile = new CmBrandAuthFilePo();
        searchFile.setAuthUserId(authUserId);
        searchFile.setBrandId(brandId);
        CmBrandAuthFilePo oldFile = shopMapper.getStatementFile(searchFile);
        if (oldFile != null) {
            Integer num = shopMapper.getFileNumByMd5Hex(oldFile.getMd5Hex());
            log.info(">>>>>>>>>>>>>>>文件使用数:" + num);
            if (num == 1) {
                log.info(">>>>>>>>>>>>>>>删除文件:" + oldFile.getOssName());
                // 如果这个文件只有这个供应商在使用，删除oss服务器上的文件
                OSSUtils.deleteSingleFile(oldFile.getOssName());
            }
            shopMapper.deleteStatementFile(oldFile.getId());
        }
    }

    @Override
    public ResponseJson saveShop(Integer authUserId, Integer shopType, String shopName, String mobile, String linkMan, Integer shopStatus, Integer createBy, List<ShopInfoDto> shopInfoList) {
        // 是否为添加操作
        boolean insertFlag = null == authUserId;
        if (insertFlag) {
            // 添加时验证手机号是否已被使用
            Integer userIdByMobile = shopMapper.getUserIdByMobile(mobile);
            if (null != userIdByMobile) {
                return ResponseJson.error("该手机号已被使用，请重新输入", null);
            }
            // 添加时验证供应商名称是否已被使用
            Integer userIdByShopName = shopMapper.getUserIdByShopName(shopName);
            if (null != userIdByShopName) {
                return ResponseJson.error("该供应商名称已经存在，请重新输入", null);
            }
        }
        // 更新品牌授权logo
        shopInfoList.forEach(shopInfo->{
            shopMapper.updateBrandAuthLogo(shopInfo.getBrandId(), shopInfo.getBrandAuthLogo());
        });
        /*
            组装供应商用户数据
         */
        UserPo shop = new UserPo();
        // 供应商名称
        shop.setName(shopName);
        // 手机号
        shop.setMobile(mobile);
        // 联系人
        shop.setLinkMan(linkMan);
        // 供应商状态
        shop.setStatus(shopStatus);
        if (insertFlag) {
            // 用户身份：1管理员，2供应商
            shop.setUserIdentity(2);
            // 供应商类型
            shop.setShopType(shopType);
            // 创建管理员id
            shop.setCreateBy(createBy);
            // 创建时间
            shop.setCreateTime(new Date());
            // 设置随机8位密码
            String password = CodeUtil.generateCode(8);
            String md5Pwd = Md5Util.md5(password);
            shop.setPassword(md5Pwd);
            // 插入供应商用户
            shopMapper.insertShop(shop);
            // 发送短信
            boolean smsFlag = AliyunSmsUtil.sendSms(mobile, 14, "{password:\"" + password + "\"}");
            if (!smsFlag) {
                // 短信发送失败重试一次
                AliyunSmsUtil.sendSms(mobile, 14, "{password:\"" + password + "\"}");
            }
            log.info("添加供应商，供应商用户id：" + shop.getAuthUserId());
        } else {
            shop.setAuthUserId(authUserId);
            // 更新供应商用户
            shopMapper.updateShopByUserId(shop);
            log.info("更新供应商，供应商用户id:" + shop.getAuthUserId());
        }
        /*
            组装供应商信息数据
         */
        if (insertFlag) {
            shopInfoList.forEach(shopInfo->{
                shopInfo.setAuthUserId(shop.getAuthUserId());
                // 插入供应商信息
                shopMapper.insertShopInfo(shopInfo);
                if (4 == shopInfo.getStatementType()) {
                    shopMapper.updateFileUserId(shopInfo.getStatementFileId(), shop.getAuthUserId());
                }
            });
        } else {
            // 数据库中供应商信息数据
            List<ShopBrandVo> dbInfoBrandList = shopMapper.getDbInfoBrandList(shop.getAuthUserId());
            List<Integer> updateInfoBrandList = new ArrayList<>();
            List<Integer> newInfoBrandList = new ArrayList<>();
            // 编辑后的供应商品牌id
            shopInfoList.forEach(shopInfo->{
                newInfoBrandList.add(shopInfo.getBrandId());
            });
            for (ShopBrandVo shopBrand : dbInfoBrandList) {
                if (!newInfoBrandList.contains(shopBrand.getBrandId())) {
                    // 删除被删除的数据
                    shopMapper.deleteShopInfoById(shopBrand.getId());
                    // 删除文件
                    deleteFile(authUserId, shopBrand.getBrandId());
                } else {
                    // 保存数据库已有且未被删除的供应商品牌id
                    updateInfoBrandList.add(shopBrand.getBrandId());
                }
            }
            shopInfoList.forEach(shopInfoVo -> {
                shopInfoVo.setAuthUserId(shop.getAuthUserId());
                // 保存供应商信息数据
                if (updateInfoBrandList.contains(shopInfoVo.getBrandId())) {
                    // 更新
                    shopMapper.updateShopInfo(shopInfoVo);
                    if (4 != shopInfoVo.getStatementType()) {
                        // 没有选择文件代理声明的情况下，若存在原来的文件，删除代理声明文件
                        deleteFile(shop.getAuthUserId(),shopInfoVo.getBrandId());
                    }
                } else {
                    // 插入
                    shopMapper.insertShopInfo(shopInfoVo);
                }
            });
        }
        return ResponseJson.success("保存供应商成功", null);
    }

    @Override
    public ResponseJson<ShopFormVo> getShopFormData(Integer authUserId) {
        if (null == authUserId) {
            return ResponseJson.error("参数异常，请输入供应商用户id", null);
        }
        ShopFormVo shopForm = shopMapper.getShopByUserId(authUserId);
        if (null == shopForm) {
            return ResponseJson.error("供应商不存在", null);
        }
        List<ShopInfoVo> shopInfoList = shopMapper.getShopInfoByUserId(authUserId);
        shopForm.setShopInfo(shopInfoList);
        return ResponseJson.success(shopForm);
    }

    @Override
    public ResponseJson<List<BrandVo>> getBrandList(Integer type, Integer authUserId) {
        type = null == type ? 2 : type;
        if (3 == type && null == authUserId) {
            return ResponseJson.error("参数异常，请输入供应商用户id", null);
        }
        List<BrandVo> brandList = shopMapper.getBrandList(type, authUserId);
        return ResponseJson.success(brandList);
    }

    @Override
    public ResponseJson<List<CountryVo>> getCountryList() {
        List<CountryVo> countryList =  shopMapper.getCountryList();
        return ResponseJson.success(countryList);
    }
}