package com.se.nsl.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.se.nsl.domain.po.Simu;
import com.se.nsl.domain.vo.SimuVo;
import com.se.nsl.helper.StringHelper;
import com.se.nsl.mapper.SimuMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

@Slf4j
@Service
@SuppressWarnings("ALL")
public class SimuService {
    @Resource
    SimuMapper simuMapper;

    /**
     * 分页查询推演模拟
     *
     * @param pageNum  页码
     * @param pageSize 每页数量
     * @return 分页后的推演模拟
     */
    public IPage<Simu> selectPage(SimuVo vo, int pageNum, int pageSize) {
        QueryWrapper<Simu> wrapper = getPageWrapper(vo, pageNum, pageSize);

        Page<Simu> page = new Page<>(pageNum, pageSize);
        page.addOrder(OrderItem.desc("id"));

        IPage<Simu> paged = simuMapper.selectPage(page, wrapper);

        return paged;
    }

    private QueryWrapper<Simu> getPageWrapper(SimuVo vo, int pageNum, int pageSize) {
        QueryWrapper<Simu> wrapper = new QueryWrapper<>();
        if (null != vo.getId()) {
            wrapper.eq("id", vo.getId());
        }
        if (!StringHelper.isEmpty(vo.getName())) {
            wrapper.like("lower(name)", vo.getName().trim().toLowerCase());
        }
        if (!StringHelper.isEmpty(vo.getServiceName())) {
            wrapper.like("service_name", vo.getServiceName().trim());
        }
        if (null != vo.getType()) {
            wrapper.eq("type", vo.getType());
        }
        if (null != vo.getAreaType()) {
            wrapper.eq("area_type", vo.getAreaType());
        }
        if (null != vo.getStatus()) {
            wrapper.eq("status", vo.getStatus());
        }

        return wrapper;
    }

    /**
     * 根据ID批量删除推演模拟
     *
     * @param ids 要删除的区域ID列表
     * @return 删除成功的记录数
     */
    public int deleteByIds(List<Integer> ids) {
        return simuMapper.deleteBatchIds(ids);
    }

    /**
     * 新增推演模拟
     *
     * @param Simu 推演模拟对象
     * @return 新增成功的记录数
     */
    public int insert(Simu simu) {
        return simuMapper.inserts(Collections.singletonList(simu));
    }

    /**
     * 根据ID查询
     *
     * @param id ID
     * @return Simu
     */
    public Simu selectById(Integer id) {
        return simuMapper.selectById(id);
    }

    /**
     * 修改推演模拟
     *
     * @param Simu 推演模拟对象
     * @return 修改成功的记录数
     */
    public int updateById(Simu simu) {
        return simuMapper.updates(Arrays.asList(simu));
    }
}