package com.imed.costaccount.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.imed.costaccount.common.exception.CostException;
import com.imed.costaccount.common.util.PageUtils;
import com.imed.costaccount.mapper.HosptailMapper;
import com.imed.costaccount.model.Hosptail;
import com.imed.costaccount.model.dto.HosptailDto;
import com.imed.costaccount.model.vo.CommonVO;
import com.imed.costaccount.model.vo.HosptailVO;
import com.imed.costaccount.service.HosptailService;
import com.imed.costaccount.utils.BeanUtil;
import org.springframework.stereotype.Service;

import java.util.*;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("hosptailService")
public class HosptailServiceImpl extends ServiceImpl<HosptailMapper, Hosptail> implements HosptailService {

    /**
     * 分页查询所有的医院信息
     *
     * @param page
     * @param pageSize
     * @return
     */
    @Override
    public PageUtils queryList(Integer page, Integer pageSize,String name) {
        Page<Hosptail> hosptailPage = new Page<>(page, pageSize);
        Page<Hosptail> pages = this.page(hosptailPage,new QueryWrapper<Hosptail>()
                .lambda().like(!StringUtils.isEmpty(name),Hosptail::getName,name));
        List<Hosptail> records = pages.getRecords();
        List<HosptailVO> hosptailVOList = BeanUtil.convertList(records, HosptailVO.class);
        PageUtils pageUtils = new PageUtils(pages);
        pageUtils.setList(hosptailVOList);
        return pageUtils;
    }

    /**
     * 添加医院信息
     *
     * @param hosptailDto
     */
    @Override
    public void saveHosptail(HosptailDto hosptailDto) {
        hosptailDto.setCreateTime(System.currentTimeMillis());
        // TODO 可能需要补充没有传递的数据
        Hosptail hosptail = BeanUtil.convertObj(hosptailDto, Hosptail.class);
        hosptail.setCreateTime(System.currentTimeMillis());
        baseMapper.insert(hosptail);
    }

    /**
     * 修改医院信息
     *
     * @param hosptailDto
     */
    @Override
    @Transactional(propagation = Propagation.REQUIRED,rollbackFor = Exception.class)
    public void updateByHosptail(HosptailDto hosptailDto) {
        Hosptail hosptail = baseMapper.selectOne(new QueryWrapper<Hosptail>().lambda().
                eq(!StringUtils.isEmpty(hosptailDto.getId()), Hosptail::getId, hosptailDto.getId()));
        if (Objects.isNull(hosptail)) {
            throw new CostException("不存在相关医院信息");
        }
        baseMapper.deleteById(hosptail.getId());
        Hosptail hosptailRequest = BeanUtil.convertObj(hosptail, Hosptail.class);
        hosptailRequest.setId(null);
        baseMapper.insert(hosptailRequest);
    }


    /**
     * 通过医院标识获取院区列表
     * @param sign
     * @return
     */
    @Override
    public List<CommonVO> getHospArea(String sign) {
        Hosptail one = this.getBySign(sign);
        // 获取下面所有院区
        List<Hosptail> list = this.list(
                new LambdaQueryWrapper<Hosptail>()
                        .select(Hosptail::getId)
                        .eq(Hosptail::getIsHosptail, 1)
                        .eq(Hosptail::getParentId, one.getId())
        );
        // 如果不存在院区
        if (CollUtil.isEmpty(list)) {
            return Collections.emptyList();
        }
        return BeanUtil.convertList(list, CommonVO.class);
    }

    /**
     * 通过医院sign获取医院信息
     * @param hospSign 医院唯一标识
     * @return
     */
    @Override
    public Hosptail getBySign(String hospSign) {
        Hosptail one = this.getOne(
                new LambdaQueryWrapper<Hosptail>()
                        .select(Hosptail::getId,Hosptail::getName)
                        .eq(Hosptail::getIsHosptail, 0)
                        .eq(Hosptail::getSign, hospSign)
                        .last("limit 1")
        );
        if (Objects.isNull(one)) {
            throw new CostException("当前医院不存在");
        }
        return one;
    }


}