package com.ltkj.framework.web.service;

import javax.annotation.Resource;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ltkj.common.constant.CacheConstants;
import com.ltkj.common.exception.user.CaptchaException;
import com.ltkj.common.exception.user.CaptchaExpireException;
import com.ltkj.common.utils.*;
import com.ltkj.common.utils.sign.RsaUtils;
import com.ltkj.framework.config.JwtUtils;
import com.ltkj.framework.config.UserHoder;
import com.ltkj.hosp.domain.TjCustomer;
import com.ltkj.hosp.service.ITjCustomerService;
import com.ltkj.system.service.ISysMenuService;
import com.ltkj.system.service.SysParametersDisposeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
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.ltkj.common.constant.Constants;
import com.ltkj.common.core.domain.entity.SysUser;
import com.ltkj.common.core.domain.model.LoginUser;
import com.ltkj.common.core.redis.RedisCache;
import com.ltkj.common.exception.ServiceException;
import com.ltkj.common.exception.user.UserPasswordNotMatchException;
import com.ltkj.common.utils.ip.IpUtils;
import com.ltkj.framework.manager.AsyncManager;
import com.ltkj.framework.manager.factory.AsyncFactory;
import com.ltkj.framework.security.context.AuthenticationContextHolder;
import com.ltkj.system.service.ISysUserService;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

    @Resource
    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysUserService userService;
    @Resource
    private ITjCustomerService customerService;

    @Resource
    private ISysMenuService menuService;

    @Autowired
    private SysParametersDisposeService parametersDisposeService;

    // 是否允许账户多终端同时登录（true允许 false不允许）
    @Value("${token.soloLogin}")
    private boolean soloLogin;


    /**
     * 登录验证
     *
     * @param username 用户名
     * @param password 密码
     * @return 结果
     */
    public String login(String username, String password, Boolean type,String code,String uuid) {

        String verifyKey = CacheConstants.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();
        }

        // 用户验证
        Authentication authentication = null;
        try {
            //登录密码解密
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, RsaUtils.decryptByPrivateKey(password));
            //UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, password);
            AuthenticationContextHolder.setContext(authenticationToken);
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(authenticationToken);
        } catch (Exception e) {
            if (e instanceof BadCredentialsException) {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            } else {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        } finally {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(Long.valueOf(loginUser.getUserId()));

//       限制账户不允许多终端登录
        if (!soloLogin) {
            // 如果用户不允许多终端同时登录，清除缓存信息
            String userIdKey = Constants.LOGIN_USERID_KEY + loginUser.getUser().getUserId();
            String userKey = redisCache.getCacheObject(userIdKey);
            if (StringUtils.isNotEmpty(userKey)) {
                if (!type) {
                    return null;
                } else {
                    redisCache.deleteObject(userIdKey);
                    redisCache.deleteObject(userKey);
                }
            }
        }
        UserHoder.setLoginUser(loginUser);
        // 生成token
        return tokenService.createToken(loginUser);
    }

    /**
     * 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);
    }


    /**
     * 客户登录验证
     *
     * @param username 手机号
     * @param password 密码
     * @return 结果
     */
    public String Cuslogin(String username, String password, Boolean type,String code,String uuid) {

        String verifyKey = CacheConstants.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();
        }
        LoginUser loginUser = loadCusByCusname(username, password);
        if (loginUser == null) {
            return "用户名或密码错误";
        }
//       限制账户不允许多终端登录
        if (!soloLogin) {
            // 如果用户不允许多终端同时登录，清除缓存信息
            String userIdKey = Constants.LOGIN_USERID_KEY + loginUser.getUserId();
            String userKey = redisCache.getCacheObject(userIdKey);
            if (StringUtils.isNotEmpty(userKey)) {
                if (!type) {
                    return null;
                } else {
                    redisCache.deleteObject(userIdKey);
                    redisCache.deleteObject(userKey);
                }
            }
        }
        // 生成token
        return tokenService.createToken(loginUser);
    }

    public LoginUser loadCusByCusname(String username, String password) {
        LambdaQueryWrapper<TjCustomer> wq = new LambdaQueryWrapper<>();
        wq.eq(TjCustomer::getCusPhone, username);
        List<TjCustomer> customerList = customerService.list(wq);
        if (null == customerList || customerList.size() == 0) {
            //throw new ServiceException("登录用户：" + username + " 不存在");
            throw new ServiceException("账户或密码错误，请检查！");
        }
        for (TjCustomer tjCustomer : customerList) {
            try {
                password = RsaUtils.decryptByPrivateKey(password);
                boolean b = SecurityUtils.matchesPassword(password, tjCustomer.getCusPassword());
                if (b) {
                    return createLoginCus(tjCustomer);
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        return null;
    }

    public LoginUser createLoginCus(TjCustomer customer) {
        LoginUser loginCus = new LoginUser();
        SysUser user1 = new SysUser();
        user1.setNickName(customer.getCusName());
        loginCus.setUser(user1);
        loginCus.setUserId("cus" + customer.getCusId());
        loginCus.setPermissions(menuService.selectMenuPermsByRoleId(customer.getRole()));
        return loginCus;
    }
}