package com.xcong.excoin.common;

import cn.hutool.core.util.StrUtil;
import com.alibaba.fastjson.JSONObject;
import com.xcong.excoin.common.contants.AppContants;
import com.xcong.excoin.common.exception.GlobalException;
import com.xcong.excoin.modules.member.entity.MemberEntity;
import com.xcong.excoin.utils.RedisUtils;
import com.xcong.excoin.utils.SpringContextHolder;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.HttpRequest;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;

/**
 * 登陆用户工具类
 *
 * @author wzy
 * @date 2020-05-14
 **/
@Slf4j
public class LoginUserUtils {

    private static final String ANON = "anonymousUser";

    public static MemberEntity getAppLoginUser() {
        if (SecurityContextHolder.getContext().getAuthentication().getPrincipal().equals(ANON)) {
            throw new GlobalException("无法获取登陆信息");
        } else {
            return (MemberEntity) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        }
    }

    public static String getAppLoginUserToken() {
        return (String) SecurityContextHolder.getContext().getAuthentication().getCredentials();
    }

    public static void resetAppLoginUser(MemberEntity memberEntity) {
        String token = getAppLoginUserToken();
        RedisUtils redisUtils = SpringContextHolder.getBean(RedisUtils.class);
        String jsonStr = redisUtils.getString(AppContants.PC_LOGIN_PREFIX + token);
        if (StrUtil.isNotBlank(jsonStr)) {
            redisUtils.set(AppContants.PC_LOGIN_PREFIX + token, JSONObject.toJSONString(memberEntity));
        } else {
            redisUtils.set(AppContants.APP_LOGIN_PREFIX + token, JSONObject.toJSONString(memberEntity));
        }
    }

    /**
     * mybatis 拦截器专用
     *
     * @return MemberEntity
     */
    public static MemberEntity getUser() {
        if (SecurityContextHolder.getContext().getAuthentication() == null) {
            return null;
        }

        if (SecurityContextHolder.getContext().getAuthentication().getPrincipal().equals(ANON)) {
            return null;
        } else {
            return (MemberEntity) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
        }
    }

    public static boolean isBrowser(HttpServletRequest request) {
        String userAgent = request.getHeader("user-agent");
        if (userAgent.toLowerCase().contains("mobile") || userAgent.contains("CFNetwork") || userAgent.toLowerCase().contains("okhttp")) {
            return false;
        }
        return true;
    }
}