kycnotme/web/src/lib/redis/redisPreGeneratedSecretTokens.ts

import { RedisGenericManager } from './redisGenericManager'

class RedisPreGeneratedSecretTokens extends RedisGenericManager {
  private readonly prefix = 'pregenerated_user_secret_token:'

  /**
   * Stores a pre-generated token with expiration
   * @param token The pre-generated token
   */
  async storePreGeneratedToken(token: string): Promise<void> {
    await this.redisClient.set(`${this.prefix}${token}`, '1', {
      EX: this.expirationTime,
    })
  }

  /**
   * Validates and consumes a pre-generated token
   * @param token The token to validate
   * @returns true if token was valid and consumed, false otherwise
   */
  async validateAndConsumePreGeneratedToken(token: string): Promise<boolean> {
    const key = `${this.prefix}${token}`
    const exists = await this.redisClient.exists(key)
    if (exists) {
      await this.redisClient.del(key)
      return true
    }
    return false
  }
}

export const redisPreGeneratedSecretTokens = await RedisPreGeneratedSecretTokens.createAndConnect({
  expirationTime: 60 * 5, // 5 minutes in seconds
})