package com.ruoyi.system.service.impl;

import cn.hutool.core.util.StrUtil;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.enums.CommentType;
import com.ruoyi.common.exception.BaseException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.bean.BeanUtils;
import com.ruoyi.system.domain.ZbFile;
import com.ruoyi.system.domain.grallery.ZbGallery;
import com.ruoyi.system.domain.grallery.ZbGalleryCategory;
import com.ruoyi.system.domain.grallery.ZbGalleryImg;
import com.ruoyi.system.dto.GalleryCategoryDto;
import com.ruoyi.system.dto.GalleryDto;
import com.ruoyi.system.dto.GalleryImgDto;
import com.ruoyi.system.mapper.ZbGalleryMapper;
import com.ruoyi.system.service.IZbCommentService;
import com.ruoyi.system.service.IZbGalleryCategoryService;
import com.ruoyi.system.service.IZbGalleryImgService;
import com.ruoyi.system.service.IZbGalleryService;

import lombok.RequiredArgsConstructor;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;
import java.util.stream.Collectors;

/**
 * 【请填写功能名称】Service业务层处理
 *
 * @author ruoyi
 * @date 2020-11-20
 */
@Service
@RequiredArgsConstructor
public class ZbGalleryServiceImpl extends ServiceImpl<ZbGalleryMapper, ZbGallery> implements IZbGalleryService {
    private final IZbGalleryImgService galleryImgService;
    private final RuoYiConfig ruoYiConfig;
    private final IZbCommentService commentService;
    private final IZbGalleryCategoryService galleryCategoryService;
    private final ZbFileServiceImpl zbFileService;

    /**
     * 查询【请填写功能名称】列表
     *
     * @param zbGallery 【请填写功能名称】
     * @return 【请填写功能名称】
     */
    @Override
    public List<GalleryDto> selectZbGalleryList(ZbGallery zbGallery, Page<ZbGallery> page) {
        return baseMapper.selectZbGalleryList(zbGallery, page);
    }

    /**
     * 新增【请填写功能名称】
     *
     * @param zbGallery 【请填写功能名称】
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean insertZbGallery(GalleryDto zbGallery) {
        ZbGallery gallery = new ZbGallery();
        BeanUtils.copyBeanProp(gallery, zbGallery);

        Date nowDate = DateUtils.getNowDate();
        gallery.setCreateTime(nowDate);
        String createBy = SecurityUtils.getUserId().toString();
        gallery.setCreateBy(createBy);

        int insert = baseMapper.insert(gallery);
        if (insert <= 0) {
            throw new BaseException("图库保存失败");
        }

        //判断是否新增图库时,新增了图片
        if (zbGallery.getImgInfos().size() > 0) {
            List<ZbGalleryImg> imgList = zbGallery.getImgInfos().stream().filter(e -> e.getId() != null).map(x -> {
                ZbGalleryImg galleryImg = new ZbGalleryImg();
                galleryImg.setAuthor(x.getAuthor());
                galleryImg.setLocation(x.getLocation());
                galleryImg.setGallertId(gallery.getId());
                galleryImg.setQrCodeId(x.getQrCode());
                galleryImg.setThumbId(x.getId());
                galleryImg.setWatermarkType(x.getWatermarkType());
                galleryImg.setWatermarkColor(x.getWatermarkColor());
                galleryImg.setCreateBy(createBy);
                galleryImg.setCreateTime(nowDate);
                galleryImg.setAuthorConcat(x.getConcat());
                galleryImg.setRemark(x.getRemark());
                return galleryImg;
            }).collect(Collectors.toList());
            if (imgList.size() > 0) {
                galleryImgService.saveBatch(imgList);
            }
        }
        return true;
    }

    /**
     * 修改【请填写功能名称】
     *
     * @param zbGallery 【请填写功能名称】
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean updateZbGallery(GalleryDto zbGallery) {
        ZbGallery gallery = new ZbGallery();
        BeanUtils.copyBeanProp(gallery, zbGallery);
        gallery.setCategoryId(zbGallery.getCategoryId());
        Date nowDate = DateUtils.getNowDate();
        gallery.setCreateTime(nowDate);
        String createBy = SecurityUtils.getUserId().toString();
        gallery.setCreateBy(createBy);

        int insert = baseMapper.updateById(gallery);
        if (insert <= 0) {
            throw new BaseException("图库保存失败");
        }

        Long galleryId = gallery.getId();
        //对应图片信息删除
        galleryImgService.removeByGalleryId(galleryId);

        //判断是否修改图库时,是否包含图片
        if (zbGallery.getImgInfos().size() > 0) {
            List<ZbGalleryImg> imgList = zbGallery.getImgInfos().stream().filter(e -> e.getId() != null).map(x -> {
                ZbGalleryImg galleryImg = new ZbGalleryImg();
                galleryImg.setAuthor(x.getAuthor());
                galleryImg.setLocation(x.getLocation());
                galleryImg.setGallertId(galleryId);
                galleryImg.setQrCodeId(x.getQrCode());
                galleryImg.setThumbId(x.getId());
                galleryImg.setWatermarkColor(x.getWatermarkColor());
                galleryImg.setWatermarkType(x.getWatermarkType());
                galleryImg.setCreateBy(createBy);
                galleryImg.setCreateTime(nowDate);
                galleryImg.setAuthorConcat(x.getConcat());
                galleryImg.setRemark(x.getRemark());
                return galleryImg;
            }).collect(Collectors.toList());
            if (imgList.size() > 0) {
                galleryImgService.saveBatch(imgList);
            }
        }
        return true;
    }

    @Override
    public GalleryDto getByGalleryId(Long id) {
        ZbGallery gallery = getById(id);
        if (gallery == null) {
            throw new BaseException("图库信息不存在");
        }
        GalleryDto galleryDto = new GalleryDto();
        BeanUtils.copyBeanProp(galleryDto, gallery);
        galleryDto.setId(gallery.getId());
        galleryDto.setSort(gallery.getSort());
        List<GalleryImgDto> galleryImg = galleryImgService.getByGalleryId(id);
        List<GalleryDto.ImgInfosDTO> infosDTOList = galleryImg.stream().map(x -> {
            GalleryDto.ImgInfosDTO imgInfosDTO = new GalleryDto.ImgInfosDTO();
            imgInfosDTO.setAuthor(x.getAuthor());
            imgInfosDTO.setId(x.getFileId());
            imgInfosDTO.setLocation(x.getLocation());
            imgInfosDTO.setQrCode(x.getQrCode());
            imgInfosDTO.setRemark(x.getRemark());
            imgInfosDTO.setConcat(x.getConcat());
            if (StrUtil.isNotBlank(x.getQrCodeUrl())) {
                imgInfosDTO.setQrCodeUrl(ruoYiConfig.getUrl() + x.getQrCodeUrl());
            }
            imgInfosDTO.setUrl(ruoYiConfig.getUrl() + x.getUrl());
            imgInfosDTO.setWatermarkType(x.getWatermarkType());
            imgInfosDTO.setWatermarkColor(x.getWatermarkColor());
            return imgInfosDTO;
        }).collect(Collectors.toList());
        galleryDto.setImgInfos(infosDTOList);
        return galleryDto;
    }

    /**
     * 删除图库
     * @param gallerys
     * @return
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean delGallery(List<Long> gallerys) {
        //删除图库表
        this.removeByIds(gallerys);
        //先删除附件表信息和服务器存储数据
        List<ZbGalleryImg> zbGalleryImgs = galleryImgService.selectByGalleryIds(gallerys);
        for (ZbGalleryImg zbGalleryImg : zbGalleryImgs) {
            ZbFile zbFile = new ZbFile();
            zbFile.setId(zbGalleryImg.getThumbId());
            zbFileService.deletePicture(zbFile);
        }
        //删除图库图片信息表
        galleryImgService.removeByGalleryIds(gallerys);
        //删除评论信息
        commentService.removeByTypeAndFk(CommentType.GALLERY, gallerys);
        return true;
    }

    @Override
    public Page<GalleryDto> selectGalleryDto(String categoryCode, Long categoryId, Page<GalleryDto> pageInfo) {
        List<Long> categorys = new ArrayList<>();
        if (StrUtil.isNotBlank(categoryCode) && categoryId == null) {
            ZbGalleryCategory category = galleryCategoryService.getByCode(categoryCode);
            if (category != null) {
                categoryId = category.getId();
            }
        }
        if (categoryId != null) {

            categorys = StrUtil.split(galleryCategoryService.getChildrens(categoryId), ',')
                    .stream().map(Long::valueOf).collect(Collectors.toList());
        }
        String profile = ruoYiConfig.getUrl();
/*        List<GalleryDto> galleryDtos = baseMapper.selectGalleryDto(categorys, pageInfo)
                .stream().peek(
                        x -> x.getImgInfos().forEach(i -> i.setUrl(profile + i.getUrl()))
                ).collect(Collectors.toList());*/

        //获取预览地址
        List<GalleryDto> galleryDtos = baseMapper.selectGalleryDtoThumbnail(categorys, pageInfo)
                .stream().peek(
                        x -> x.getImgInfos().forEach(i -> i.setUrl(profile + i.getUrl()))
                ).collect(Collectors.toList());

        pageInfo.setRecords(galleryDtos);
        return pageInfo;
    }

    @Override
    public Integer checkCategoryHasValue(Long categoryId) {
        return baseMapper.checkCategoryHasValue(categoryId);
    }
}