import { inject } from '@loopback/context';
import { scryptSync as cryptoHash } from 'crypto';
import { PasswordService } from './types';
import { PasswordServiceBindings } from './keys';


export class AppPasswordService implements PasswordService
{
  constructor(
    @inject(PasswordServiceBindings.SALT) private _salt: string,
    @inject(PasswordServiceBindings.LENGTH) private _len: string,
  ) {}

  async hash (password: string): Promise<string>
  {
		return cryptoHash(password, this._salt, Number(this._len)).toString('base64');
	}

	async verify (pass: string, passIn: string): Promise<boolean>
	{
		return pass === await this.hash(passIn);
	}
}