package cn.huge.module.utils;

import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.util.Date;

/**
 * @title: JWT工具类
 * @description: JWT工具类
 * @company: hugeinfo
 * @author: liyj
 * @time: 2021-11-05 16:51:48
 * @version: 1.0.0
 */
@Component
public class JwtUtils {

    /**
     * jwt生成密钥
     */
    public static String secretKey;

    /**
     * jwt生成密钥
     */
    public static String issUser;

    /**
     * token过期时间：4小时
     */
    public static long tokenExpireTime;

    /**
     * refreshToken过期时间：比token时间长一点
     */
    public static long refreshTokenExpireTime;

    /**
     * refreshToken 存储key
     */
    public static String jwtRefreshTokenKeyFormat;

    /**
     * token黑名单 存储key
     */
    public static String jwtBlacklistKeyFormat;

    @Value("${jwt.secret-key}")
    public void setSecretKey(String secret_Key) {
        secretKey = secret_Key;
    }

    @Value("${jwt.iss-user}")
    public void setIssUser(String iss_user) {
        issUser = iss_user;
    }

    @Value("${jwt.token.expire-time}")
    public void setTokenExpireTime(long token_expire_time) {
        tokenExpireTime = token_expire_time;
    }

    @Value("${jwt.refresh-token.expire-time}")
    public void setRefreshTokenExpireTime(long refresh_token_expire_time) {
        refreshTokenExpireTime = refresh_token_expire_time;
    }

    @Value("${jwt.refresh-token-key.format}")
    public void setJwtRefreshTokenKeyFormat(String jwt_refresh_token_key_format) {
        jwtRefreshTokenKeyFormat = jwt_refresh_token_key_format;
    }

    @Value("${jwt.blacklist-key.format}")
    public void setJwtBlacklistKeyFormat(String jwt_blacklist_key_format) {
        jwtBlacklistKeyFormat = jwt_blacklist_key_format;
    }

    /**
     * 生成token
     * @param userId 登录用户标识
     * @return String
     */
    public static String buildJWT(String userId){
        //生成jwt
        Date now = new Date();
        Algorithm algo = Algorithm.HMAC256(secretKey);
        String token = JWT.create()
                .withIssuer(issUser)
                .withIssuedAt(now)
                .withExpiresAt(new Date(now.getTime() + tokenExpireTime))
                .withClaim("userId", userId)
                .sign(algo);
        return token;
    }

    /**
     * 生成token
     * @param custId 平台客户标识
     * @param userId 登录用户标识
     * @return String
     */
    public static String buildJWT(String custId, String userId){
        //生成jwt
        Date now = new Date();
        Algorithm algo = Algorithm.HMAC256(secretKey);
        String token = JWT.create()
                .withIssuer(issUser)
                .withIssuedAt(now)
                .withExpiresAt(new Date(now.getTime() + tokenExpireTime))
                .withClaim("custId", custId)
                .withClaim("userId", userId)
                .sign(algo);
        return token;
    }
}
/**
 * -------------------_ooOoo_-------------------
 * ------------------o8888888o------------------
 * ------------------88" . "88------------------
 * ------------------(| -_- |)------------------
 * ------------------O\  =  /O------------------
 * ---------------____/`---'\____---------------
 * -------------.'  \\|     |//  `.-------------
 * ------------/  \\|||  :  |||//  \------------
 * -----------/  _||||| -:- |||||-  \-----------
 * -----------|   | \\\  -  /// |   |-----------
 * -----------| \_|  ''\---/''  |   |-----------
 * -----------\  .-\__  `-`  ___/-. /-----------
 * ---------___`. .'  /--.--\  `. . __----------
 * ------."" '<  `.___\_<|>_/___.'  >'"".-------
 * -----| | :  `- \`.;`\ _ /`;.`/ - ` : | |-----
 * -----\  \ `-.   \_ __\ /__ _/   .-` /  /-----
 * ======`-.____`-.___\_____/___.-`____.-'======
 * -------------------`=---='
 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 * ---------佛祖保佑---hugeinfo---永无BUG----------
 */