package com.ruoyi.framework.web.service;

import javax.annotation.Resource;

import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.exception.base.BaseException;
import com.ruoyi.common.exception.user.WxOpenIDNotFindException;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.wxopenidConfig.WxOpenIDAuthenticationToken;
import com.ruoyi.system.mapper.SysUserMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.exception.user.UserPasswordNotMatchException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.ServletUtils;
import com.ruoyi.common.utils.ip.IpUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;

/**
 * 登录校验方法
 *
 * @author ruoyi
 */
@Component
public class SysLoginService {
    @Autowired
    private TokenService tokenService;

    @Resource
    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;


    @Autowired
    private SysUserMapper sysUserMapper;

    /**
     * 登录验证
     *
     * @param username 用户名
     * @param password 密码
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public String login(String username, String password, String code, String uuid, String openId, String dingUserId) {
        //免登
        if (StringUtils.isNotEmpty(dingUserId)) {
            SysUser sysUser = sysUserMapper.selectUserByDingUserId(dingUserId);
            LoginUser loginUser = new LoginUser();
            loginUser.setUserId(sysUser.getUserId());
            loginUser.setDeptId(sysUser.getDeptId());
            loginUser.setUser(sysUser);
            return tokenService.createToken(loginUser);
        }

        SysUser sysUser = sysUserMapper.selectUserByUserName(username);
        if (sysUser.getErrorNums() >= 3) {
            //校验失败次数
            throw new BaseException("你的密码输入错误次数过多，请联系管理员处理");
        }

        boolean captchaOnOff = configService.selectCaptchaOnOff();
        // 验证码开关
        if (captchaOnOff) {
            validateCaptcha(username, code, uuid);
        }
        // 用户验证
        Authentication authentication = null;
        try {
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(new UsernamePasswordAuthenticationToken(username, password));
        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                sysUserMapper.updateErrorNums(sysUser);
                throw new UserPasswordNotMatchException();
            } else {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();

        SysUser user = loginUser.getUser();
        //更新openid
        String userOpenId = user.getOpenId();

        if (StringUtils.isEmpty(openId)) {
            recordLoginInfo(loginUser.getUserId());
        } else {
            if (StringUtils.isNotEmpty(userOpenId)) {
                //当本次登录的微信OPENID不等于第一次绑定的微信OPENID就不允许登录，防止同一个账号多微信登录
                if (!userOpenId.equals(openId)) {
                    AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, "该账户已经绑定其他设备，须先解除绑定再登录，请跟系统管理员联系！"));
                    throw new ServiceException("该账户已经绑定其他设备，须先解除绑定再登录，请跟系统管理员联系！");
                } else {
                    recordLoginInfo(loginUser.getUserId());
                }
            } else {
                recordLoginInfo(loginUser.getUserId(), openId);
            }
        }
        //清除失败次数
        sysUserMapper.cleanErrorNums(username);
        // 生成token
        return tokenService.createToken(loginUser);
    }

    /**
     * 校验验证码
     *
     * @param username 用户名
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid) {
        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
        String captcha = redisCache.getCacheObject(verifyKey);
        redisCache.deleteObject(verifyKey);
        if (captcha == null) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire")));
            throw new CaptchaExpireException();
        }
        if (!code.equalsIgnoreCase(captcha)) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
            throw new CaptchaException();
        }
    }

    /**
     * 微信OpenID登录验证
     *
     * @param openid 微信OpenID
     * @return 结果
     */

    public AjaxResult wxopenidLogin(String openid) {

        // 用户验证
        Authentication authentication = null;
        try {

            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(new WxOpenIDAuthenticationToken(openid));
        } catch (Exception e) {

            AsyncManager.me().execute(AsyncFactory.recordLogininfor(openid, Constants.LOGIN_FAIL, e.getMessage()));
            throw new WxOpenIDNotFindException();

        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(openid, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        AjaxResult ajax = AjaxResult.success();

        // 生成token
        String token = tokenService.createToken(loginUser);
        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId) {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        sysUser.setLoginIp(IpUtils.getIpAddr(ServletUtils.getRequest()));
        sysUser.setLoginDate(DateUtils.getNowDate());
        userService.updateUserProfile(sysUser);
    }


    public void recordLoginInfo(Long userId, String openId) {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        sysUser.setOpenId(openId);
        sysUser.setLoginIp(IpUtils.getIpAddr(ServletUtils.getRequest()));
        sysUser.setLoginDate(DateUtils.getNowDate());
        userService.updateUserProfile(sysUser);
    }

}