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.service.impl.ServiceImpl;
import com.imed.costaccount.common.exception.CostException;
import com.imed.costaccount.mapper.ResponsibilityDepartmentMapper;
import com.imed.costaccount.model.Responsibility;
import com.imed.costaccount.model.ResponsibilityDepartment;
import com.imed.costaccount.model.User;
import com.imed.costaccount.model.dto.DepartDTO;
import com.imed.costaccount.model.vo.CenterDepartmentVO;
import com.imed.costaccount.model.vo.DepartVO;
import com.imed.costaccount.service.ResponsibilityDepartmentService;
import com.imed.costaccount.service.ResponsibilityService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

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

@Slf4j
@Service("responsibilityDepartmentService")
public class ResponsibilityDepartmentServiceImpl
        extends ServiceImpl<ResponsibilityDepartmentMapper, ResponsibilityDepartment> implements ResponsibilityDepartmentService {

    private ResponsibilityService responsibilityService;

    public ResponsibilityDepartmentServiceImpl(ResponsibilityService responsibilityService) {
        this.responsibilityService = responsibilityService;
    }

    /**
     * 获取责任中心对照列表
     *
     * @param user 当前登录用户
     * @return
     */
    @Override
    public List<CenterDepartmentVO> getCenterDepart(User user) {
        List<CenterDepartmentVO> list = responsibilityService.getParentSon(user);
        for (CenterDepartmentVO centerDepartmentVO : list) {
            if (centerDepartmentVO.getIsGatherCenter() == 2) {
                centerDepartmentVO.setDepartments(baseMapper.getDepartByCenterId(centerDepartmentVO.getResponsibilityId()));
            }
            List<CenterDepartmentVO> child = centerDepartmentVO.getChild();
            if (CollUtil.isEmpty(child)) {
                child = new ArrayList<>();
            }
            for (CenterDepartmentVO departmentVO : child) {
                List<DepartVO> departVOS = baseMapper.getDepartByCenterId(departmentVO.getResponsibilityId());
                departmentVO.setDepartments(departVOS);
            }
        }
        return list;
    }

    /**
     * 保存或修改责任中心对照
     *
     * @param departDTO
     * @param user
     */
    @Override
    @Transactional(propagation = Propagation.REQUIRED,rollbackFor = Exception.class)
    public void saveCenterDepart(DepartDTO departDTO, User user) {
        Long responsibilityId = departDTO.getResponsibilityId();
        Long hospId = user.getHospId();
        List<ResponsibilityDepartment> list = this.list(
                new LambdaQueryWrapper<ResponsibilityDepartment>().select(ResponsibilityDepartment::getId)
                        .eq(ResponsibilityDepartment::getResponsibilityId, responsibilityId)
                        .eq(ResponsibilityDepartment::getHospId, hospId)
        );
        if (CollUtil.isNotEmpty(list)) {
            this.removeByIds(list.stream().map(ResponsibilityDepartment::getId).collect(Collectors.toList()));
        }
        List<Long> departmentIds = departDTO.getDepartmentIds();
        if (CollUtil.isEmpty(departmentIds)) {
            return ;
        }
        Responsibility byId = responsibilityService.getById(responsibilityId);
        if (Objects.isNull(byId)) {
            throw new CostException(500, "责任中心不存在或已被移除");
        }
        if (byId.getIsGatherCenter() == 1) {
            throw new CostException(500, "汇总中心不允许添加对照关系，请先修改");
        }
        List<ResponsibilityDepartment> data = departmentIds.stream().map(item -> {
            ResponsibilityDepartment centerDepart = new ResponsibilityDepartment();
            return centerDepart.setResponsibilityId(responsibilityId).setCreateTime(System.currentTimeMillis()).setHospId(hospId)
                    .setDepartmentId(item);
        }).collect(Collectors.toList());

        this.saveBatch(data);
    }
}