package com.ycl.jxkg.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.jxkg.domain.entity.UserEventLog;
import com.ycl.jxkg.enums.RoleEnum;
import com.ycl.jxkg.enums.UserStatusEnum;
import com.ycl.jxkg.domain.form.RegisterForm;
import com.ycl.jxkg.domain.other.KeyValue;
import com.ycl.jxkg.domain.vo.StudentVO;
import com.ycl.jxkg.event.UserEvent;
import com.ycl.jxkg.exception.BusinessException;
import com.ycl.jxkg.domain.entity.User;
import com.ycl.jxkg.event.OnRegistrationCompleteEvent;
import com.ycl.jxkg.mapper.UserMapper;
import com.ycl.jxkg.service.UserService;
import com.ycl.jxkg.domain.vo.admin.user.UserPageRequestVO;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.*;


@Service
@RequiredArgsConstructor
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {

    private final UserMapper userMapper;
    private final ApplicationEventPublisher eventPublisher;


    public List<User> getUsers() {
        return userMapper.getAllUser();
    }

    public User getUserById(Integer id) {
        return userMapper.getUserById(id);
    }

    public User getUserByUserName(String username) {
        return userMapper.getUserByUserName(username);
    }

    @Override
    public User getUserByUserNamePwd(String username, String pwd) {
        return userMapper.getUserByUserNamePwd(username, pwd);
    }

    @Override
    public User getUserByUuid(String uuid) {
        return userMapper.getUserByUuid(uuid);
    }

    @Override
    public List<User> userPageList(String name, Integer pageIndex, Integer pageSize) {
        Map<String, Object> map = new HashMap<>(3);
        map.put("name", name);
        map.put("offset", ((int) pageIndex) * pageSize);
        map.put("limit", pageSize);
        return userMapper.userPageList(map);
    }

    @Override
    public Integer userPageCount(String name) {
        Map<String, Object> map = new HashMap<>(1);
        map.put("name", name);
        return userMapper.userPageCount(map);
    }


    @Override
    public PageInfo<User> userPage(UserPageRequestVO requestVM) {
        return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() ->
                userMapper.userPage(requestVM)
        );
    }


    @Override
    public void insertUser(User user) {
        userMapper.insert(user);
        eventPublisher.publishEvent(new OnRegistrationCompleteEvent(user));
    }

    @Override
    @Transactional(rollbackFor = BusinessException.class)
    public void insertUsers(List<User> users) {
        userMapper.insertUsers(users);
        throw new BusinessException("test BusinessException roll back");
    }

    @Override
    public void updateUser(User user) {
        userMapper.updateUser(user);
    }

    @Override
    public void updateUsersAge(Integer age, List<Integer> ids) {
        Map<String, Object> map = new HashMap<>(2);
        map.put("idslist", ids);
        map.put("age", age);
        userMapper.updateUsersAge(map);
    }

    @Override
    public void deleteUserByIds(List<Integer> ids) {
        userMapper.deleteUsersByIds(ids);
    }

    @Override
    public Integer selectAllCount() {
        return userMapper.selectAllCount();
    }

    @Override
    public List<KeyValue> selectByUserName(String userName) {
        return userMapper.selectByUserName(userName);
    }

    @Override
    public List<User> selectByIds(List<Integer> ids) {
        return userMapper.selectByIds(ids);
    }

    @Override
    public User selectByWxOpenId(String wxOpenId) {
        return userMapper.selectByWxOpenId(wxOpenId);
    }

    @Override
    @Transactional
    public void changePicture(User user, String imagePath) {
        User changePictureUser = new User();
        changePictureUser.setId(user.getId());
        changePictureUser.setImagePath(imagePath);
        userMapper.updateById(changePictureUser);
    }

    @Override
    public void teacherRegister(RegisterForm form) {
        User teacher = new User();
        BeanUtils.copyProperties(form, teacher);
        teacher.setRole(RoleEnum.ADMIN.getCode());
        teacher.setUserUuid(UUID.randomUUID().toString());
        teacher.setLastActiveTime(new Date());
        teacher.setStatus(UserStatusEnum.Enable.getCode());
        teacher.setDeleted(0);
        this.insertUser(teacher);
        // 发布注册事件，保存注册日志
        UserEventLog userEventLog = new UserEventLog(teacher.getId(), teacher.getUserName(), teacher.getRealName(), new Date());
        userEventLog.setContent("欢迎 " + teacher.getUserName() + " 注册来到江西空管音视频培训系统");
        eventPublisher.publishEvent(new UserEvent(userEventLog));
    }

    @Override
    public void studentRegister(RegisterForm form) {
        User student = new User();
        BeanUtils.copyProperties(form, student);
        student.setRole(RoleEnum.ADMIN.getCode());
        student.setUserUuid(UUID.randomUUID().toString());
        student.setLastActiveTime(new Date());
        student.setStatus(UserStatusEnum.Enable.getCode());
        student.setDeleted(0);
        this.insertUser(student);
        // 发布注册事件，保存注册日志
        UserEventLog userEventLog = new UserEventLog(student.getId(), student.getUserName(), student.getRealName(), new Date());
        userEventLog.setContent("欢迎 " + student.getUserName() + " 注册来到江西空管音视频培训系统");
        eventPublisher.publishEvent(new UserEvent(userEventLog));
    }

    @Override
    public List<StudentVO> classesStudent(Integer classesId) {
        return userMapper.classesStudent(classesId);
    }
}