package com.mzl.flower.service.content;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.mzl.flower.config.exception.ValidationException;
import com.mzl.flower.config.security.SecurityUtils;
import com.mzl.flower.constant.Constants;
import com.mzl.flower.dto.BatchDTO;
import com.mzl.flower.dto.request.content.QueryFilmsetDTO;
import com.mzl.flower.dto.response.content.FilmsetDTO;
import com.mzl.flower.entity.content.Filmset;
import com.mzl.flower.mapper.content.FilmsetMapper;
import com.mzl.flower.utils.DateUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDate;
import java.util.List;

@Service
@Transactional
public class FilmsetService {

    private final FilmsetMapper filmsetMapper;

    public FilmsetService(FilmsetMapper filmsetMapper) {
        this.filmsetMapper = filmsetMapper;
    }

    public void add(Filmset dto) {
        if(dto.getId()!=null){
            throw new ValidationException("id必须为空");
        }
        dto.setStatus(Constants.COMMON_PUBLISH_STATUS.unpublished.name());
        dto.create(SecurityUtils.getUserId());
        filmsetMapper.insert(dto);
    }

    public void update(Filmset dto) {
        if(dto.getId()==null || dto.getId()==0){
            throw new ValidationException("id不能为空");
        }
        Filmset filmset = filmsetMapper.selectById(dto.getId());
        if(filmset==null){
            throw new ValidationException("找不到id为"+dto.getId()+"的公告");
        }
        BeanUtils.copyProperties(dto, filmset, "id", "createTime", "createBy","deleted","status","publishDate");
        filmset.update(SecurityUtils.getUserId());
        filmsetMapper.updateById(filmset);
    }

    public void delete(Long id) {
        Filmset filmset = filmsetMapper.selectById(id);
        if(filmset==null){
            throw new ValidationException("找不到id为"+id+"的公告");
        }
        filmsetMapper.deleteById(id);
    }

    public FilmsetDTO detail(Long id) {
        Filmset filmset = filmsetMapper.selectById(id);
        if(filmset==null){
           return null;
        }
        FilmsetDTO dto = new FilmsetDTO();
        BeanUtils.copyProperties(filmset,dto);
        return dto;
    }

    public Page<FilmsetDTO> queryPage(QueryFilmsetDTO dto, Page page) {
        if(StringUtils.isNotBlank(dto.getCreateDateBeginStr())){
            dto.setCreateDateBegin(DateUtils.dateToLocalDateTime(dto.getCreateDateBeginStr(),true));
        }
        if(StringUtils.isNotBlank(dto.getCreateDateEndStr())){
            dto.setCreateDateEnd(DateUtils.dateToLocalDateTime(dto.getCreateDateEndStr(),false));
        }
       List<FilmsetDTO> list =  filmsetMapper.queryPage(dto,page);
        page.setRecords(list);
        return page;

    }

    public void changeStatus(Long id) {
        Filmset filmset = filmsetMapper.selectById(id);
        if(filmset==null){
            throw new ValidationException("找不到id为"+id+"的公告");
        }
        if(Constants.COMMON_PUBLISH_STATUS.published.name().equals(filmset.getStatus())){
            filmset.setStatus(Constants.COMMON_PUBLISH_STATUS.unpublished.name());
        }else{
            filmset.setStatus(Constants.COMMON_PUBLISH_STATUS.published.name());
            filmset.setPublishDate(LocalDate.now());
        }
        filmsetMapper.updateById(filmset);
    }

    public void batchDelete(BatchDTO dto) {
        filmsetMapper.deleteBatchIds(dto.getIds());
    }

    public void batchPublish(BatchDTO dto) {
        List<Filmset> list = filmsetMapper.selectList(new LambdaQueryWrapper<Filmset>().in(Filmset::getId, dto.getIds()));
        for (Filmset filmset : list) {
            filmset.setStatus(Constants.COMMON_PUBLISH_STATUS.published.name());
            filmset.setPublishDate(LocalDate.now());
            filmsetMapper.updateById(filmset);
        }
    }

    public List<FilmsetDTO> queryList(String type) {
        QueryFilmsetDTO dto = new QueryFilmsetDTO();
        dto.setType(type);
        dto.setStatus(Constants.COMMON_PUBLISH_STATUS.published.name());
        List<FilmsetDTO> list =  filmsetMapper.queryList(dto);
        return list;
    }
}