package com.weiwojc.utils;

import org.springframework.stereotype.Component;
import jakarta.annotation.PostConstruct;
import java.util.concurrent.ConcurrentHashMap;

@Component
public class TokenBlacklistManager {
    private static final ConcurrentHashMap<String, Boolean> tokenBlacklist = new ConcurrentHashMap<>();
    private static String INSTANCE_ID = null;
    private static long START_TIME;

    @PostConstruct
    public void init() {
        // 每次服务启动生成新的实例ID和启动时间
        INSTANCE_ID = java.util.UUID.randomUUID().toString();
        START_TIME = System.currentTimeMillis();
    }

    public void addToBlacklist(String token) {
        tokenBlacklist.put(token, true);
    }

    public boolean isBlacklisted(String token) {
        return tokenBlacklist.containsKey(token);
    }

    public String getInstanceId() {
        return INSTANCE_ID;
    }

    public long getStartTime() {
        return START_TIME;
    }
}