package com.pz.system.service.impl;

import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.pz.common.core.page.TableDataInfo;
import com.pz.common.core.domain.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.pz.system.domain.Notice;
import com.pz.system.domain.vo.HomeVo;
import com.pz.system.mapper.*;
import com.pz.system.service.ISysNoticeService;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import com.pz.system.domain.bo.CarouselBo;
import com.pz.system.domain.vo.CarouselVo;
import com.pz.system.domain.Carousel;
import com.pz.system.service.ICarouselService;

import java.util.List;
import java.util.Map;
import java.util.Collection;
import java.util.Optional;

/**
 * 轮播图Service业务层处理
 *
 * @author ruoyi
 * @date 2023-09-07
 */
@RequiredArgsConstructor
@Service
public class CarouselServiceImpl implements ICarouselService {

    private final CarouselMapper baseMapper;

    private final CityMapper cityMapper;

    private final BusinessMapper businessMapper;

    private final NoticeMapper noticeMapper;

    /**
     * 查询轮播图
     */
    @Override
    public CarouselVo queryById(Integer id) {
        return baseMapper.selectVoById(id);
    }

    /**
     * 查询轮播图列表
     */
    @Override
    public TableDataInfo<CarouselVo> queryPageList(CarouselBo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<Carousel> lqw = buildQueryWrapper(bo);
        Page<CarouselVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        Optional.ofNullable(result.getRecords()).ifPresent(noticeVos -> {
            noticeVos.forEach(noticeVo -> {
                Optional.ofNullable(cityMapper.selectVoById(noticeVo.getCityId()))
                    .ifPresent(cityVo -> {
                        noticeVo.setCityName(cityVo.getName());
                    });
            });
        });
        return TableDataInfo.build(result);
    }

    /**
     * 查询轮播图列表
     */
    @Override
    public List<CarouselVo> queryList(CarouselBo bo) {
        LambdaQueryWrapper<Carousel> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<Carousel> buildQueryWrapper(CarouselBo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<Carousel> lqw = Wrappers.lambdaQuery();
        lqw.eq(bo.getCityId() != null, Carousel::getCityId, bo.getCityId());
        lqw.eq(bo.getSite() != null, Carousel::getSite, bo.getSite());
        lqw.eq(StringUtils.isNotBlank(bo.getDescr()), Carousel::getDescr, bo.getDescr());
        lqw.eq(StringUtils.isNotBlank(bo.getImgUrl()), Carousel::getImgUrl, bo.getImgUrl());
        lqw.eq(StringUtils.isNotBlank(bo.getLinkUrl()), Carousel::getLinkUrl, bo.getLinkUrl());
        lqw.eq(bo.getStatus() != null, Carousel::getStatus, bo.getStatus());
        return lqw;
    }

    /**
     * 新增轮播图
     */
    @Override
    public Boolean insertByBo(CarouselBo bo) {
        Carousel add = BeanUtil.toBean(bo, Carousel.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
        if (flag) {
            bo.setId(add.getId());
        }
        return flag;
    }

    /**
     * 修改轮播图
     */
    @Override
    public Boolean updateByBo(CarouselBo bo) {
        Carousel update = BeanUtil.toBean(bo, Carousel.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(Carousel entity) {
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 批量删除轮播图
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<Integer> ids, Boolean isValid) {
        if (isValid) {
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteBatchIds(ids) > 0;
    }

    @Override
    public HomeVo selectHome(Integer cityId) {
        HomeVo homeVo = new HomeVo();
        List<Notice> notices = noticeMapper.selectList();
        if(null != notices && notices.size() != 0){
            homeVo.setNotice(notices.get(0).getInfo());
        }
        homeVo.setCarousel(baseMapper.selectList(
            new LambdaQueryWrapper<Carousel>().eq(
                Carousel::getSite,1
            ).eq(
                Carousel::getStatus,1
            )
        ));
        homeVo.setBusiness(businessMapper.selectList());
        return homeVo;
    }
}