package com.ruoyi.system.service.impl;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.PageQuery;
import com.ruoyi.common.core.domain.entity.SysRole;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.enums.SystemRoleKey;
import com.ruoyi.common.enums.UserStatus;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.helper.LoginHelper;
import com.ruoyi.common.sqlite.SqliteUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.spring.SpringUtils;
import com.ruoyi.system.domain.SysPost;
import com.ruoyi.system.domain.SysUserPost;
import com.ruoyi.system.domain.SysUserRole;
import com.ruoyi.system.mapper.*;
import com.ruoyi.system.service.ISysUserService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.*;
import java.util.stream.Collectors;

/**
 * 用户 业务层处理
 *
 * @author Lion Li
 */
@Slf4j
@RequiredArgsConstructor
@Service
public class SysUserServiceImpl implements ISysUserService {

    private final SysUserMapper baseMapper;
    private final SysRoleMapper roleMapper;
    private final SysPostMapper postMapper;
    private final SysUserRoleMapper userRoleMapper;
    private final SysUserPostMapper userPostMapper;
    private final SqliteUtils sqliteUtils;

    @Override
    public TableDataInfo<SysUser> selectPageUserList(SysUser user, PageQuery pageQuery) {
        Page<SysUser> page = baseMapper.selectPageUserList(pageQuery.build(), user);
        return TableDataInfo.build(page);
    }

    /**
     * 根据条件分页查询用户列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public List<SysUser> selectUserList(SysUser user) {
        return baseMapper.selectUserList(user);
    }

    /**
     * 根据条件分页查询已分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public TableDataInfo<SysUser> selectAllocatedList(SysUser user, PageQuery pageQuery) {
        Page<SysUser> page = baseMapper.selectAllocatedList(pageQuery.build(), user);
        return TableDataInfo.build(page);
    }

    /**
     * 根据条件分页查询未分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    public TableDataInfo<SysUser> selectUnallocatedList(SysUser user, PageQuery pageQuery) {
        Page<SysUser> page = baseMapper.selectUnallocatedList(pageQuery.build(), user);
        return TableDataInfo.build(page);
    }

    /**
     * 通过用户名查询用户
     *
     * @param userName 用户名
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserByUserName(String userName) {
        return baseMapper.selectUserByUserName(userName);
    }

    /**
     * 通过用户ID查询用户
     *
     * @param userId 用户ID
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserById(Long userId) {
        return baseMapper.selectUserById(userId);
    }

    /**
     * 查询用户所属角色组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserRoleGroup(String userName) {
        List<SysRole> list = roleMapper.selectRolesByUserName(userName);
        if (CollUtil.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(","));
    }

    /**
     * 查询用户所属岗位组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserPostGroup(String userName) {
        List<SysPost> list = postMapper.selectPostsByUserName(userName);
        if (CollUtil.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysPost::getPostName).collect(Collectors.joining(","));
    }

    /**
     * 校验用户名称是否唯一
     *
     * @param userName 用户名称
     * @return 结果
     */
    @Override
    public String checkUserNameUnique(String userName) {
        boolean exist = baseMapper.exists(new LambdaQueryWrapper<SysUser>().eq(SysUser::getUserName, userName));
        if (exist) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验手机号码是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public String checkPhoneUnique(SysUser user) {
        boolean exist = baseMapper.exists(new LambdaQueryWrapper<SysUser>()
            .eq(SysUser::getPhonenumber, user.getPhonenumber())
            .ne(ObjectUtil.isNotNull(user.getUserId()), SysUser::getUserId, user.getUserId()));
        if (exist) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验email是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public String checkEmailUnique(SysUser user) {
        boolean exist = baseMapper.exists(new LambdaQueryWrapper<SysUser>()
            .eq(SysUser::getEmail, user.getEmail())
            .ne(ObjectUtil.isNotNull(user.getUserId()), SysUser::getUserId, user.getUserId()));
        if (exist) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验用户是否允许操作
     *
     * @param user 用户信息
     */
    @Override
    public void checkUserAllowed(SysUser user) {
        if (ObjectUtil.isNotNull(user.getUserId()) && user.isAdmin()) {
            throw new ServiceException("不允许操作超级管理员用户");
        }
    }

    /**
     * 校验用户是否有数据权限
     *
     * @param userId 用户id
     */
    @Override
    public void checkUserDataScope(Long userId) {
        if (!LoginHelper.isAdmin()) {
            SysUser user = new SysUser();
            user.setUserId(userId);
            List<SysUser> users = SpringUtils.getAopProxy(this).selectUserList(user);
            if (CollUtil.isEmpty(users)) {
                throw new ServiceException("没有权限访问用户数据！");
            }
        }
    }

    /**
     * 新增保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int insertUser(SysUser user) {
        // 新增用户信息
        int rows = baseMapper.insert(user);
        // 新增用户岗位关联
        insertUserPost(user);
        // 新增用户与角色管理
        insertUserRole(user);
        return rows;
    }

    /**
     * 注册用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean registerUser(SysUser user) {
        user.setCreateBy(user.getUserName());
        user.setUpdateBy(user.getUserName());
        return baseMapper.insert(user) > 0;
    }

    /**
     * 修改保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int updateUser(SysUser user) {
        Long userId = user.getUserId();
        // 删除用户与角色关联
        userRoleMapper.delete(new LambdaQueryWrapper<SysUserRole>().eq(SysUserRole::getUserId, userId));
        // 新增用户与角色管理
        insertUserRole(user);
        // 删除用户与岗位关联
        userPostMapper.delete(new LambdaQueryWrapper<SysUserPost>().eq(SysUserPost::getUserId, userId));
        // 新增用户与岗位管理
        insertUserPost(user);
        return baseMapper.updateById(user);
    }

    /**
     * 用户授权角色
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void insertUserAuth(Long userId, Long[] roleIds) {
        userRoleMapper.delete(new LambdaQueryWrapper<SysUserRole>()
            .eq(SysUserRole::getUserId, userId));
        insertUserRole(userId, roleIds);
    }

    /**
     * 修改用户状态
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserStatus(SysUser user) {
        SysUser sysUser = selectUserById(user.getUserId());
        if(ObjectUtil.isNotNull(sysUser)&& UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            LoginHelper.forceLogout(sysUser.getUserType(),sysUser.getUserId()+"");
        }
        return baseMapper.updateById(user);
    }

    /**
     * 修改用户基本信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserProfile(SysUser user) {
        return baseMapper.updateById(user);
    }

    /**
     * 修改用户头像
     *
     * @param userName 用户名
     * @param avatar   头像地址
     * @return 结果
     */
    @Override
    public boolean updateUserAvatar(String userName, String avatar) {
        return baseMapper.update(null,
            new LambdaUpdateWrapper<SysUser>()
                .set(SysUser::getAvatar, avatar)
                .eq(SysUser::getUserName, userName)) > 0;
    }

    /**
     * 重置用户密码
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int resetPwd(SysUser user) {
        return baseMapper.updateById(user);
    }

    /**
     * 重置用户密码
     *
     * @param userName 用户名
     * @param password 密码
     * @return 结果
     */
    @Override
    public int resetUserPwd(String userName, String password) {
        return baseMapper.update(null,
            new LambdaUpdateWrapper<SysUser>()
                .set(SysUser::getPassword, password)
                .eq(SysUser::getUserName, userName));
    }

    /**
     * 新增用户角色信息
     *
     * @param user 用户对象
     */
    public void insertUserRole(SysUser user) {
        Long[] roles = user.getRoleIds();
        if (ObjectUtil.isNotNull(roles)) {
            // 新增用户与角色管理
            List<SysUserRole> list = new ArrayList<SysUserRole>();
            for (Long roleId : roles) {
                SysUserRole ur = new SysUserRole();
                ur.setUserId(user.getUserId());
                ur.setRoleId(roleId);
                list.add(ur);
            }
            if (list.size() > 0) {
                userRoleMapper.insertBatch(list);
            }
        }
    }

    /**
     * 新增用户岗位信息
     *
     * @param user 用户对象
     */
    public void insertUserPost(SysUser user) {
        Long[] posts = user.getPostIds();
        if (ObjectUtil.isNotNull(posts)) {
            // 新增用户与岗位管理
            List<SysUserPost> list = new ArrayList<SysUserPost>();
            for (Long postId : posts) {
                SysUserPost up = new SysUserPost();
                up.setUserId(user.getUserId());
                up.setPostId(postId);
                list.add(up);
            }
            if (list.size() > 0) {
                userPostMapper.insertBatch(list);
            }
        }
    }

    /**
     * 新增用户角色信息
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    public void insertUserRole(Long userId, Long[] roleIds) {
        if (ObjectUtil.isNotNull(roleIds)) {
            // 新增用户与角色管理
            List<SysUserRole> list = new ArrayList<SysUserRole>();
            for (Long roleId : roleIds) {
                SysUserRole ur = new SysUserRole();
                ur.setUserId(userId);
                ur.setRoleId(roleId);
                list.add(ur);
            }
            if (list.size() > 0) {
                userRoleMapper.insertBatch(list);
            }
        }
    }

    /**
     * 通过用户ID删除用户
     *
     * @param userId 用户ID
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int deleteUserById(Long userId) {
        // 删除用户与角色关联
        userRoleMapper.delete(new LambdaQueryWrapper<SysUserRole>().eq(SysUserRole::getUserId, userId));
        // 删除用户与岗位表
        userPostMapper.delete(new LambdaQueryWrapper<SysUserPost>().eq(SysUserPost::getUserId, userId));
        return baseMapper.deleteById(userId);
    }

    /**
     * 批量删除用户信息
     *
     * @param userIds 需要删除的用户ID
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int deleteUserByIds(Long[] userIds) {
        for (Long userId : userIds) {
            checkUserAllowed(new SysUser(userId));
            checkUserDataScope(userId);
        }
        List<Long> ids = Arrays.asList(userIds);
        // 删除用户与角色关联
        userRoleMapper.delete(new LambdaQueryWrapper<SysUserRole>().in(SysUserRole::getUserId, ids));
        // 删除用户与岗位表
        userPostMapper.delete(new LambdaQueryWrapper<SysUserPost>().in(SysUserPost::getUserId, ids));
        for (Long userId : userIds)
        {
            SysUser sysUser = selectUserById(userId);
            if(ObjectUtil.isNotNull(sysUser))
            {
                LoginHelper.forceLogout(sysUser.getUserType(),sysUser.getUserId()+"");
            }
        }
        return baseMapper.deleteBatchIds(ids);
    }

    @Override
    public void sqlite() {
//        Connection connSqlite = SqliteUtils.getSqliteConnection();
//        if (connSqlite == null) {
//            return;
//        }
//
//        try {
//            SqliteUtils.setSqliteAutoCommit(connSqlite, false);
//        } catch (SQLException e2) {
//            e2.printStackTrace();
//        }
//
//        try {
//            Vector<String> tabs = new Vector<String>();
//            String showSql = "SELECT name _id FROM sqlite_master WHERE type ='table'";
//            PreparedStatement ps = connSqlite.prepareStatement(showSql);
//            ResultSet rs = ps.executeQuery();
//            while (rs.next()) {
//                String tab = rs.getString(1);
//                tabs.add(tab);
//                System.out.println("表名：" + tab);
//            }
//
//            String strSql = "select * from sys_user";
//            PreparedStatement psSqliteCreate = connSqlite.prepareStatement(strSql);
//            ResultSet resultSet = psSqliteCreate.executeQuery();
//            while (resultSet.next()) {
//                System.out.println(resultSet.getString("user_id") + "--" + resultSet.getString("nick_name"));
//            }
//        } catch (SQLException e1) {
//            e1.printStackTrace();
//        }
//
//        try {
//            SqliteUtils.closeSqliteConn(connSqlite);
//        } catch (SQLException e) {
//            e.printStackTrace();
//        }
    }

    @Override
    public void importSqlite() {
        Vector<String> tabs = new Vector<>();
        tabs.add("sys_user");
        sqliteUtils.importSqlite();

//        //需要导入的表名
//        Vector<String> tabs = new Vector<>();
//        tabs.add("sys_user");
//
//        //创建sqlite的连接
//        Connection connSqlite = SqliteUtils.getSqliteConnection();
//        if (connSqlite == null) {
//            return;
//        }
//        try {
//            SqliteUtils.setSqliteAutoCommit(connSqlite, false);
//        } catch (SQLException e2) {
//            e2.printStackTrace();
//        }
//
//        try {
//            for (String tab : tabs) {
//                //查询mysql表字段及数据
//                List<Map<String, Object>> fields = this.baseMapper.selectFieldList(tab);
//                List<Map<String, Object>> data = this.baseMapper.selectDataList(tab);
//
//                //删除sqlite表
//                SqliteUtils.delSqliteTab(connSqlite, tab);
//
//                //创建sqlite表
//                SqliteUtils.createSqliteTab(tab, fields, connSqlite);
//
//                //保存sqlite数据
//                SqliteUtils.tranData(tab, data, connSqlite);
//            }
//
//
//            //提交事务
//            SqliteUtils.sqliteCommit(connSqlite);
//        } catch (SQLException e) {
//            e.printStackTrace();
//        }
    }

}
