// import * as crypto from "crypto";
// import * as bcrypt from "bcryptjs";
// import * as jsonwebtoken from "jsonwebtoken";
// import { Config } from "../Config";
// import { TokenUser } from "openflow-api";
// export class Crypt {
//     // static encryption_key:string = Config.aes_secret.substr(0,32); // must be 256 bytes (32 characters)
//     static iv_length: number = 16; // for AES, this is always 16
//     static bcrypt_salt_rounds: number = 12;

//     static encryption_key(): string {
//         var c = Config;
//         return c.aes_secret.substr(0, 32);
//     }

//     static encrypt(text: string): string {
//         let iv: Buffer = crypto.randomBytes(Crypt.iv_length);
//         let cipher: crypto.Cipher = crypto.createCipheriv("aes-256-cbc", Buffer.from(Crypt.encryption_key()), iv);
//         let encrypted: Buffer = cipher.update((text as any));
//         encrypted = Buffer.concat([encrypted, cipher.final()]);
//         return iv.toString("hex") + ":" + encrypted.toString("hex");
//     }

//     static decrypt(text: string): string {
//         let textParts: string[] = text.split(":");
//         let iv: Buffer = Buffer.from(textParts.shift(), "hex");
//         let encryptedText: Buffer = Buffer.from(textParts.join(":"), "hex");
//         let decipher: crypto.Decipher = crypto.createDecipheriv("aes-256-cbc", Buffer.from(Crypt.encryption_key()), iv);
//         let decrypted: Buffer = decipher.update(encryptedText);
//         decrypted = Buffer.concat([decrypted, decipher.final()]);
//         return decrypted.toString();
//     }

//     static async hash(password: string): Promise<string> {
//         return new Promise<string>(async (resolve, reject) => {
//             try {
//                 bcrypt.hash(password, Crypt.bcrypt_salt_rounds, async (error, hash) => {
//                     if (error) { return reject(error); }
//                     resolve(hash);
//                 });
//             } catch (error) {
//                 reject(error);
//             }
//         });
//     }

//     static async compare(password: string, passwordhash: string): Promise<boolean> {
//         return new Promise<boolean>(async (resolve, reject) => {
//             try {
//                 bcrypt.compare(password, passwordhash, async (error, res) => {
//                     if (error) { return reject(error); }
//                     resolve(res);
//                 });
//             } catch (error) {
//                 reject(error);
//             }
//         });
//     }

//     static createToken(user: TokenUser): string {
//         var token: string = jsonwebtoken.sign({ data: user }, Crypt.encryption_key(),
//             { expiresIn: "1h" }); // 60 (seconds), "2 days", "10h", "7d"
//         return token;
//     }

//     static verityToken(token: string): TokenUser {
//         var o: any = jsonwebtoken.verify(token, Crypt.encryption_key());
//         o.data = TokenUser.assign(o.data);
//         return o.data;
//     }
// }