package com.ycl.service.user.impl;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.bo.AdminUserDetails;
import com.ycl.dto.UmsAdminParam;
import com.ycl.dto.UpdateAdminPasswordParam;
import com.ycl.entity.depart.SccgDepart;
import com.ycl.entity.user.*;
import com.ycl.exception.Asserts;
import com.ycl.mapper.user.UmsAdminLoginLogMapper;
import com.ycl.mapper.user.UmsAdminMapper;
import com.ycl.mapper.user.UmsResourceMapper;
import com.ycl.mapper.user.UmsRoleMapper;
import com.ycl.service.depart.SccgDepartService;
import com.ycl.service.redis.RedisService;
import com.ycl.service.user.UmsAdminCacheService;
import com.ycl.service.user.UmsDepartManageService;
import com.ycl.service.user.UmsAdminRoleRelationService;
import com.ycl.service.user.UmsAdminService;
import com.ycl.utils.JwtTokenUtil;
import com.ycl.utils.SpringUtil;
import com.ycl.utils.common.LiveTimeMillisecond;
import com.ycl.utils.common.MacUtils;
import com.ycl.utils.common.PojoUtils;
import com.ycl.utils.common.RandomUtils;
import com.ycl.utils.redis.RedisKey;
import com.ycl.vo.user.UserVO;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * 后台管理员管理Service实现类
 * Created by macro on 2018/4/26.
 */
@Service
public class UmsAdminServiceImpl extends ServiceImpl<UmsAdminMapper, UmsAdmin> implements UmsAdminService {
    private static final Logger LOGGER = LoggerFactory.getLogger(UmsAdminServiceImpl.class);
    @Autowired
    private JwtTokenUtil jwtTokenUtil;
    @Autowired
    private PasswordEncoder passwordEncoder;
    @Resource
    private UmsAdminLoginLogMapper umsAdminLoginLogMapper;
    @Resource
    private UmsAdminRoleRelationService umsAdminRoleRelationService;
    @Resource
    private UmsRoleMapper umsRoleMapper;
    @Resource
    private UmsResourceMapper umsResourceMapper;
    @Resource
    private SccgDepartService sccgDepartService;
    @Resource
    private UmsDepartManageService umsAdminDepartService;
    @Resource
    private RedisService redisService;

    @Override
    public UmsAdmin getAdminByUsername(String username) {
        UmsAdmin admin = getCacheService().getAdmin(username);
        if (admin != null) return admin;
        QueryWrapper<UmsAdmin> wrapper = new QueryWrapper<>();
        wrapper.lambda().eq(UmsAdmin::getUsername, username);
        List<UmsAdmin> adminList = list(wrapper);
        if (adminList != null && adminList.size() > 0) {
            admin = adminList.get(0);
            getCacheService().setAdmin(admin);
            return admin;
        }
        return null;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public UmsAdmin register(UmsAdminParam umsAdminParam) {
        UmsAdmin umsAdmin = new UmsAdmin();
        //TODO mac,ip,职务，用户类型
        BeanUtils.copyProperties(umsAdminParam, umsAdmin);
        umsAdmin.setCreateTime(new Date());
        umsAdmin.setStatus(1);
        umsAdmin.setMacAddress(MacUtils.getMac());
        //查询是否有相同用户名的用户
        QueryWrapper<UmsAdmin> wrapper = new QueryWrapper<>();
        wrapper.lambda().eq(UmsAdmin::getUsername, umsAdmin.getUsername());
        List<UmsAdmin> umsAdminList = list(wrapper);
        if (umsAdminList.size() > 0) {
            return null;
        }
        //将密码进行加密操作
        String encodePassword = passwordEncoder.encode(umsAdmin.getPassword());
        umsAdmin.setPassword(encodePassword);
        baseMapper.insert(umsAdmin);
        //对用户名系统默认添加
        umsAdmin.setNickName(RandomUtils.getUserId(umsAdmin.getId()));
        baseMapper.updateById(umsAdmin);

        return umsAdmin;
    }

    @Override
    public String login(String username, String password) {
        String token = null;
        //密码需要客户端加密后传递
        try {
            AdminUserDetails userDetails = (AdminUserDetails) loadUserByUsername(username);
            if (!passwordEncoder.matches(password, userDetails.getPassword())) {
                Asserts.fail("密码不正确");
            }
            if (!userDetails.isEnabled()) {
                Asserts.fail("帐号已被禁用");
            }
            UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
            SecurityContextHolder.getContext().setAuthentication(authentication);
            //根据用户id，用户姓名
            token = jwtTokenUtil.generateToken(userDetails.getUserId(), userDetails.getUsername());
            redisService.set(RedisKey.PLATFORM_TOKEN_KEY.concat(username), token, LiveTimeMillisecond.s7200.time);
//            updateLoginTimeByUsername(username);
            insertLoginLog(username);
        } catch (AuthenticationException e) {
            LOGGER.warn("登录异常:{}", e.getMessage());
        }
        return token;
    }

    /**
     * 添加登录记录
     *
     * @param username 用户名
     */
    private void insertLoginLog(String username) {
        UmsAdmin admin = getAdminByUsername(username);
        if (admin == null) return;
        UmsAdminLoginLog loginLog = new UmsAdminLoginLog();
        loginLog.setAdminId(admin.getId());
        loginLog.setCreateTime(new Date());
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        loginLog.setIp(request.getRemoteAddr());
        umsAdminLoginLogMapper.insert(loginLog);
    }

    /**
     * 根据用户名修改登录时间
     */
    private void updateLoginTimeByUsername(String username) {
        UmsAdmin record = new UmsAdmin();
        record.setLoginTime(new Date());
        QueryWrapper<UmsAdmin> wrapper = new QueryWrapper<>();
        wrapper.lambda().eq(UmsAdmin::getUsername, username);
        update(record, wrapper);
    }

    @Override
    public String refreshToken(String oldToken) {
        return jwtTokenUtil.refreshHeadToken(oldToken);
    }

    @Override
    public Page<UmsAdmin> list(String keyword, Integer pageSize, Integer pageNum) {
        Page<UmsAdmin> page = new Page<>(pageNum, pageSize);
        QueryWrapper<UmsAdmin> wrapper = new QueryWrapper<>();
        LambdaQueryWrapper<UmsAdmin> lambda = wrapper.lambda();
        if (StrUtil.isNotEmpty(keyword)) {
            lambda.like(UmsAdmin::getUsername, keyword);
            lambda.or().like(UmsAdmin::getNickName, keyword);
        }
        return page(page, wrapper);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean update(Long id, UmsAdmin admin) {
        admin.setId(id);
        UmsAdmin rawAdmin = getById(id);
        if (rawAdmin.getPassword().equals(admin.getPassword())) {
            //与原加密密码相同的不需要修改
            admin.setPassword(null);
        } else {
            //与原加密密码不同的需要加密修改
            if (StrUtil.isEmpty(admin.getPassword())) {
                admin.setPassword(null);
            } else {
                admin.setPassword(passwordEncoder.encode(admin.getPassword()));
            }
        }
        boolean success = updateById(admin);
        getCacheService().delAdmin(id);
        return success;
    }

    @Override
    public boolean delete(Long id) {
        getCacheService().delAdmin(id);
        boolean success = removeById(id);
        getCacheService().delResourceList(id);
        return success;
    }

    @Override
    public int updateRole(Long adminId, List<Long> roleIds) {
        int count = roleIds == null ? 0 : roleIds.size();
        //先删除原来的关系
        QueryWrapper<UmsAdminRoleRelation> wrapper = new QueryWrapper<>();
        wrapper.lambda().eq(UmsAdminRoleRelation::getAdminId, adminId);
        umsAdminRoleRelationService.remove(wrapper);
        //建立新关系
        if (!CollectionUtils.isEmpty(roleIds)) {
            List<UmsAdminRoleRelation> list = new ArrayList<>();
            for (Long roleId : roleIds) {
                UmsAdminRoleRelation roleRelation = new UmsAdminRoleRelation();
                roleRelation.setAdminId(adminId);
                roleRelation.setRoleId(roleId);
                list.add(roleRelation);
            }
            umsAdminRoleRelationService.saveBatch(list);
        }
        getCacheService().delResourceList(adminId);
        return count;
    }

    @Override
    public List<UmsRole> getRoleList(Long adminId) {
        return umsRoleMapper.getRoleList(adminId);
    }

    @Override
    public List<UmsResource> getResourceList(Long adminId) {
        List<UmsResource> resourceList = getCacheService().getResourceList(adminId);
        if (CollUtil.isNotEmpty(resourceList)) {
            return resourceList;
        }
        resourceList = umsResourceMapper.getResourceList(adminId);
        if (CollUtil.isNotEmpty(resourceList)) {
            getCacheService().setResourceList(adminId, resourceList);
        }
        return resourceList;
    }

    @Override
    public int updatePassword(UpdateAdminPasswordParam param) {
        if (StrUtil.isEmpty(param.getUsername())
                || StrUtil.isEmpty(param.getOldPassword())
                || StrUtil.isEmpty(param.getNewPassword())) {
            return -1;
        }
        QueryWrapper<UmsAdmin> wrapper = new QueryWrapper<>();
        wrapper.lambda().eq(UmsAdmin::getUsername, param.getUsername());
        List<UmsAdmin> adminList = list(wrapper);
        if (CollUtil.isEmpty(adminList)) {
            return -2;
        }
        UmsAdmin umsAdmin = adminList.get(0);
        if (!passwordEncoder.matches(param.getOldPassword(), umsAdmin.getPassword())) {
            return -3;
        }
        umsAdmin.setPassword(passwordEncoder.encode(param.getNewPassword()));
        updateById(umsAdmin);
        getCacheService().delAdmin(umsAdmin.getId());
        return 1;
    }

    @Override
    public UserDetails loadUserByUsername(String username) {
        //获取用户信息
        UmsAdmin admin = getAdminByUsername(username);
        if (admin != null) {
            List<UmsResource> resourceList = getResourceList(admin.getId());
            return new AdminUserDetails(admin, resourceList);
        }
        throw new UsernameNotFoundException("用户名或密码错误");
    }

    @Override
    public UmsAdminCacheService getCacheService() {
        return SpringUtil.getBean(UmsAdminCacheService.class);
    }

    @Override
    public IPage<UmsAdmin> pageUser(UserVO.PageUserVO pageUserVO) {
        int pageSize = pageUserVO.getPageSize();
        int current = pageUserVO.getCurrent();
        Page<UmsAdmin> page = new Page<>(current, pageSize);
        LambdaQueryWrapper<UmsAdmin> queryWrapper = new LambdaQueryWrapper<>();
        if (StringUtils.isNotBlank(pageUserVO.getJobTitle())) {
            queryWrapper.eq(UmsAdmin::getJobTitle, pageUserVO.getJobTitle());
        }
        if (PojoUtils.Vo.isUsefulSearchParam(pageUserVO.getUserType())) {
            queryWrapper.eq(UmsAdmin::getUserType, pageUserVO.getUserType());
        }
        if (StringUtils.isNotBlank(pageUserVO.getMobile())) {
            queryWrapper.like(UmsAdmin::getMobile, pageUserVO.getMobile());
        }
        if (PojoUtils.Vo.isUsefulSearchParam(pageUserVO.getDepartmentId())) {
            queryWrapper.eq(UmsAdmin::getDepartmentId, pageUserVO.getDepartmentId());
        }
        Page<UmsAdmin> page1 = baseMapper.selectPage(page, queryWrapper);
        List<UmsAdmin> records = page1.getRecords();
        if (CollUtil.isNotEmpty(records)) {
            records.forEach(e -> {
                SccgDepart sccgDepart = sccgDepartService.getById(e.getDepartmentId());
                if (null != sccgDepart) {
                    e.setDepartName(sccgDepart.getDepartName());
                }
            });
        }
        return page1;
    }
}