const Redis = use('Redis');
const Logger = use('Logger');
const {v4: uuidv4} = require('uuid');


const TOKEN_NAMESPACE = 'expired_token';
const TokenTypes = {
  RP: 'rp',
};
class ExpiredToken {
  /**
   *
   * @param {{id:number; email:string}} payload
   * @param {number} ttl in seconds default 86400 (24 hours)
   */
  static async generateResetPasswordToken(payload, ttl = 86400) {
    try {
      Logger.debug(`Generating RP token`);
      const token = `${TokenTypes.RP}_${uuidv4()}`;
      const rdKey = `${TOKEN_NAMESPACE}:${token}`;
      await Redis.set(rdKey, JSON.stringify(payload));
      await Redis.expire(rdKey, ttl);
      return token;
    } catch (e) {
      Logger.error(`Failed to generate RP token. Error: ${e.message}`);
      return null;
    }
  }

  /**
   *
   * @param {string} token
   */
  static async getTokenPayload(token) {
    try {
      const response = await Redis.get(`${TOKEN_NAMESPACE}:${token}`);
      if (response) return JSON.parse(response);
      return null;
    } catch (e) {
      Logger.error(`Failed to generate RP token. Error: ${e.message}`);
      return null;
    }
  }

  static async remove(token) {
    try {
      await Redis.del(`${TOKEN_NAMESPACE}:${token}`);
      return true;
    } catch (e) {
      Logger.error(`Failed to generate RP token. Error: ${e.message}`);
      return false;
    }
  }
}

module.exports = ExpiredToken;