package com.ruoyi.dz.service.impl;

import java.util.List;

import com.ruoyi.dz.domain.DzSchool;
import com.ruoyi.dz.mapper.DzSchoolMapper;
import com.ruoyi.enums.UserTypeEnum;
import com.ruoyi.system.service.ISysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.ruoyi.dz.mapper.DzTeacherMapper;
import com.ruoyi.dz.domain.DzTeacher;
import com.ruoyi.dz.service.IDzTeacherService;

/**
 * 老师Service业务层处理
 *
 * @author ruoyi
 * @date 2025-09-12
 */
@Service
public class DzTeacherServiceImpl implements IDzTeacherService
{
    @Autowired
    private DzTeacherMapper dzTeacherMapper;
    @Autowired
    private DzSchoolMapper schoolMapper;
    @Autowired
    private ISysUserService userService;

    /**
     * 查询老师
     *
     * @param teacherId 老师主键
     * @return 老师
     */
    @Override
    public DzTeacher selectDzTeacherByTeacherId(Long teacherId)
    {
        return dzTeacherMapper.selectDzTeacherByTeacherId(teacherId);
    }

    /**
     * 查询老师列表
     *
     * @param dzTeacher 老师
     * @return 老师
     */
    @Override
    public List<DzTeacher> selectDzTeacherList(DzTeacher dzTeacher)
    {
        return dzTeacherMapper.selectDzTeacherList(dzTeacher);
    }

    /**
     * 新增老师
     *
     * @param dzTeacher 老师
     * @return 结果
     */
    @Override
    public int insertDzTeacher(DzTeacher dzTeacher)
    {
        if (null == dzTeacher.getDeptId()){
            DzSchool school = schoolMapper.selectDzSchoolById(dzTeacher.getSchoolId());
            dzTeacher.setDeptId(school.getDeptId());
        }
        int id = dzTeacherMapper.insertDzTeacher(dzTeacher);
        Long userId = userService.insertRelateUser(UserTypeEnum.Teacher, dzTeacher.getTeacherId(), dzTeacher.getDeptId(), dzTeacher.getUsername(), dzTeacher.getName());
        //反向更新dzTeacher中的userId
        dzTeacher.setUserId(userId);
        dzTeacherMapper.updateDzTeacher(dzTeacher);
        return id;
    }

    /**
     * 修改老师
     *
     * @param dzTeacher 老师
     * @return 结果
     */
    @Override
    public int updateDzTeacher(DzTeacher dzTeacher)
    {
        return dzTeacherMapper.updateDzTeacher(dzTeacher);
    }

    /**
     * 批量删除老师
     *
     * @param teacherIds 需要删除的老师主键
     * @return 结果
     */
    @Override
    public int deleteDzTeacherByTeacherIds(Long[] teacherIds)
    {
        return dzTeacherMapper.deleteDzTeacherByTeacherIds(teacherIds);
    }

    /**
     * 删除老师信息
     *
     * @param teacherId 老师主键
     * @return 结果
     */
    @Override
    public int deleteDzTeacherByTeacherId(Long teacherId)
    {
        return dzTeacherMapper.deleteDzTeacherByTeacherId(teacherId);
    }
}