/*
 * Copyright (C) Sapphirecode - All Rights Reserved
 * This file is part of Auth-Server-Helper which is released under MIT.
 * See file 'LICENSE' for full license details.
 * Created by Timo Hocker <timo@scode.ovh>, August 2022
 */

import { debug } from '../debug';
import { Redis } from '../Redis';

const logger = debug ('RedisBlacklistStore');

export class RedisBlacklistStore extends Redis {
  public async add (key: string, valid_until: Date): Promise<void> {
    const log = logger.extend ('set');
    log ('trying to add key %s to redis blacklist', key);
    if (!this.is_active) {
      log ('redis is inactive, skipping');
      return;
    }
    await this.redis.setex (
      `blacklist_${key}`,
      Math.floor ((valid_until.getTime () - Date.now ()) / 1000),
      1
    );
    log ('saved key');
  }

  public async remove (key: string): Promise<void> {
    const log = logger.extend ('remove');
    log ('removing key %s from redis', key);
    if (!this.is_active) {
      log ('redis is inactive, skipping');
      return;
    }
    await this.redis.del (`blacklist_${key}`);
    log ('removed key');
  }

  public async get (key: string): Promise<boolean> {
    const log = logger.extend ('get');
    log ('trying to find key %s in redis blacklist', key);
    if (!this.is_active) {
      log ('redis is inactive, skipping');
      return false;
    }
    const res = await this.redis.exists (`blacklist_${key}`) === 1;
    log ('found key %s', res);
    return res;
  }
}

export const redis_blacklist_store = new RedisBlacklistStore;