package com.mzl.flower.service.film.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.mzl.flower.config.exception.ValidationException;
import com.mzl.flower.config.security.SecurityUtils;
import com.mzl.flower.dto.BatchDTO;
import com.mzl.flower.dto.request.film.FilmHotCityDTO;
import com.mzl.flower.dto.request.film.FilmHotCityQueryDTO;
import com.mzl.flower.dto.response.film.FilmHotCityVO;
import com.mzl.flower.entity.film.FilmHotCity;
import com.mzl.flower.mapper.film.FilmHotCityMapper;
import com.mzl.flower.mapper.film.FilmWorksMapper;
import com.mzl.flower.service.film.FilmHotCityService;
import com.mzl.flower.service.system.RoleService;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

import java.util.*;

/**
 * <p>
 * FilmHotCity热门城市表 服务实现类
 * </p>
 *
 * @author generator@Fang
 * @since 2025-05-20
 */
@Service
@Transactional
@RequiredArgsConstructor
public class FilmHotCityServiceImpl extends ServiceImpl<FilmHotCityMapper, FilmHotCity> implements FilmHotCityService {

    private final FilmHotCityMapper filmHotCityMapper;
    private final RoleService roleService;
    private final FilmWorksMapper filmWorksMapper;

    @Override
    public void saveFilmHotCity(FilmHotCityDTO filmHotCityDTO) {
        //  转换
        //增加保存时判断是否有城市名称
        if (StringUtils.isEmpty(filmHotCityDTO.getName())) {
            throw new ValidationException("城市名称不能为空");
        }
        FilmHotCity filmHotCity1 = filmHotCityMapper.selectByName(filmHotCityDTO.getName());
        if (!ObjectUtils.isEmpty(filmHotCity1)) {
            throw new ValidationException("城市名称重复");
        }
        FilmHotCity filmHotCity = new FilmHotCity();
        BeanUtils.copyProperties(filmHotCityDTO, filmHotCity);
        filmHotCity.setIsEnabled(false);
        filmHotCity.create();
        filmHotCityMapper.insert(filmHotCity);
    }

    @Override
    public void updateFilmHotCity(FilmHotCityDTO filmHotCityDTO) {
        if (StringUtils.isEmpty(filmHotCityDTO.getName())) {
            throw new ValidationException("城市名称不能为空");
        }

        //增加修改时保存得城市名称是否有重复，排除当前这条
        FilmHotCity filmHotCity1 = filmHotCityMapper.selectByName(filmHotCityDTO.getName());

        FilmHotCity filmHotCity = filmHotCityMapper.selectById(filmHotCityDTO.getId());
        if (!filmHotCity1.getId().equals(filmHotCity.getId())) {
            throw new ValidationException("城市名称重复");
        }
        BeanUtils.copyProperties(filmHotCityDTO, filmHotCity, "isEnabled");
        filmHotCity.update(SecurityUtils.getUserId());
        filmHotCityMapper.updateById(filmHotCity);
    }

    @Override
    public void deleteFilmHotCity(String id) {
        FilmHotCity filmHotCity = filmHotCityMapper.selectById(id);
        if (filmHotCity == null) {
            throw new ValidationException("找不到id为" + id + "的城市");
        }
        filmHotCityMapper.deleteById(id);
    }

    @Override
    public Page<FilmHotCityVO> queryPage(FilmHotCityQueryDTO dto, Page page) {

        List<FilmHotCityVO> list = filmHotCityMapper.queryPage(dto, page);
        page.setRecords(list);
        return page;
    }

    @Override
    public FilmHotCityVO detail(Long id) {
        FilmHotCityVO filmHotCityVO = filmHotCityMapper.selectByIdInfo(id);
        if (filmHotCityVO == null) {
            return null;
        }
        return filmHotCityVO;
    }


    @Override
    public void isEnable(Long id) {
        FilmHotCity filmHotCity = filmHotCityMapper.selectById(id);
        if (filmHotCity == null) {
            throw new ValidationException("找不到id为" + id + "的城市");
        }
        if (filmHotCity.getIsEnabled()) {
            filmHotCity.setIsEnabled(false);
        } else {
            filmHotCity.setIsEnabled(true);
        }
        filmHotCity.update(SecurityUtils.getUserId());
        filmHotCityMapper.updateById(filmHotCity);
    }


    @Override
    @Transactional
    public void batchDelete(BatchDTO dto) {
        if (CollectionUtils.isEmpty(dto.getIds())) {
            throw new ValidationException("删除ID列表不能为空");
        }
        filmHotCityMapper.deleteBatchIds(dto.getIds());
    }


}