package com.mzl.flower.service.flower;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
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.request.flower.FlowerZoneCreateDTO;
import com.mzl.flower.dto.request.flower.FlowerZoneRankDTO;
import com.mzl.flower.dto.request.flower.FlowerZoneUpdateDTO;
import com.mzl.flower.dto.response.flower.FlowerZoneDTO;
import com.mzl.flower.entity.flower.FlowerZone;
import com.mzl.flower.entity.flower.FlowerZoneMap;
import com.mzl.flower.mapper.flower.FlowerZoneMapMapper;
import com.mzl.flower.mapper.flower.FlowerZoneMapper;
import io.micrometer.core.instrument.util.StringUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@Service
@Transactional
public class FlowerZoneService {

    private final FlowerZoneMapper flowerZoneMapper;

    private final FlowerZoneMapMapper flowerZoneMapMapper;
    public FlowerZoneService(FlowerZoneMapper flowerZoneMapper, FlowerZoneMapMapper flowerZoneMapMapper) {
        this.flowerZoneMapper = flowerZoneMapper;
        this.flowerZoneMapMapper = flowerZoneMapMapper;
    }

    public void addZone(FlowerZoneCreateDTO dto) {
        FlowerZone zone = new FlowerZone();
        BeanUtils.copyProperties(dto, zone);
        zone.setStatus(Constants.COMMON_PUBLISH_STATUS.unpublished.name());
        zone.create(SecurityUtils.getUserId());
        flowerZoneMapper.insert(zone);

    }

    public void updateZone(FlowerZoneUpdateDTO dto) {
        FlowerZone zone = flowerZoneMapper.selectById(dto.getId());
        if (zone == null) {
            throw new ValidationException("专区不存在");
        }
        zone.setName(dto.getName());
        zone.setBgUrl(dto.getBgUrl());
        zone.setSeq(dto.getSeq());
        zone.update(SecurityUtils.getUserId());
        flowerZoneMapper.updateById(zone);
    }

    public FlowerZoneDTO getZone(Long id) {
        FlowerZone zone = flowerZoneMapper.selectById(id);
        if (zone == null) {
            return null;
        }
        FlowerZoneDTO dto = new FlowerZoneDTO();
        BeanUtils.copyProperties(zone, dto);
        return dto;
    }

    public IPage<FlowerZoneDTO> selectZonePage(Page page, String name) {
        LambdaQueryWrapper<FlowerZone> lambdaQueryWrapper = new LambdaQueryWrapper();
        lambdaQueryWrapper.orderByAsc(FlowerZone::getSeq);
        if (StringUtils.isNotBlank(name)){
            lambdaQueryWrapper.like(FlowerZone::getName, name);
        }
        return flowerZoneMapper.selectPage(page,lambdaQueryWrapper).convert(item -> {
            FlowerZoneDTO dto = new FlowerZoneDTO();
            BeanUtils.copyProperties(item, dto);
            return dto;
        });
    }

    public void deleteZone(Long id) {
        FlowerZone zone = flowerZoneMapper.selectById(id);
        if (zone == null) {
            throw new ValidationException("专区不存在");
        }
        flowerZoneMapper.deleteById(id);
    }

    public List<FlowerZoneDTO> selectZoneList(String status) {
        LambdaQueryWrapper<FlowerZone> lambdaQueryWrapper = new LambdaQueryWrapper();
        lambdaQueryWrapper.orderByAsc(FlowerZone::getSeq);
        if (StringUtils.isNotBlank(status)){
            lambdaQueryWrapper.eq(FlowerZone::getStatus, status);
        }
        return flowerZoneMapper.selectList(lambdaQueryWrapper).stream().map(item -> {
            FlowerZoneDTO dto = new FlowerZoneDTO();
            BeanUtils.copyProperties(item, dto);
            return dto;
        }).collect(Collectors.toList());
    }

    public void changeStatus(Long id) {
         FlowerZone zone = flowerZoneMapper.selectById(id);
        if (zone == null) {
            throw new ValidationException("专区不存在");
        }
        if (Constants.COMMON_PUBLISH_STATUS.unpublished.name().equals(zone.getStatus())){

            zone.setStatus(Constants.COMMON_PUBLISH_STATUS.published.name());
        }else {
            zone.setStatus(Constants.COMMON_PUBLISH_STATUS.unpublished.name());
        }
         flowerZoneMapper.updateById(zone);
    }

    public void setFlowerZoneRank(FlowerZoneRankDTO dto) {
        FlowerZoneMap fzp = flowerZoneMapMapper.selectOne(new QueryWrapper<FlowerZoneMap>().eq("flower_id", dto.getFlowerId()).eq("zone_id", dto.getId()));
        if(fzp==null){
            throw new ValidationException("商品未设置该专区");
        }
        fzp.setRank(dto.getRank());
        flowerZoneMapMapper.updateById(fzp);
    }

    public FlowerZone selectFlowerZoneById(Long id) {
        return flowerZoneMapper.selectFlowerZoneById(id);
    }
}