// Type definitions for bcrypt-nodejs 0.0
// Project: https://github.com/shaneGirish/bcrypt-nodejs
// Definitions by: David Broder-Rodgers <https://github.com/DavidBR-SW>
//                 Piotr Błażejewicz <https://github.com/peterblazejewicz>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/**
 * Generate a salt synchronously
 * @param rounds Number of rounds to process the data for (default - 10)
 * @return Generated salt
 */
export function genSaltSync(rounds?: number): string;

/**
 * Generate a salt asynchronously
 * @param rounds Number of rounds to process the data for (default - 10)
 * @param callback Callback with error and resulting salt, to be fired once the salt has been generated
 */
export function genSalt(rounds: number, callback: (error: Error, result: string) => void): void;

/**
 * Generate a hash synchronously
 * @param data Data to be encrypted
 * @param salt Salt to be used in encryption (default - new salt generated with 10 rounds)
 * @return Generated hash
 */
export function hashSync(data: string, salt?: string): string;

/**
 * Generate a hash asynchronously
 * @param data Data to be encrypted
 * @param salt Salt to be used in encryption
 * @param callback Callback with error and hashed result, to be fired once the data has been encrypted
 */
export function hash(data: string, salt: string, callback: (error: Error, result: string) => void): void;

/**
 * Generate a hash asynchronously
 * @param data Data to be encrypted
 * @param salt Salt to be used in encryption
 * @param progressCallback Callback to be fired multiple times during the hash calculation to signify progress
 * @param callback Callback with error and hashed result, to be fired once the data has been encrypted
 */
export function hash(
    data: string,
    salt: string,
    progressCallback: null | (() => void),
    callback: (error: Error, result: string) => void,
): void;

/**
 * Compares data with a hash synchronously
 * @param data Data to be compared
 * @param hash Hash to be compared to
 * @return true if matching, false otherwise
 */
export function compareSync(data: string, hash: string): boolean;

/**
 * Compares data with a hash asynchronously
 * @param data Data to be compared
 * @param hash Hash to be compared to
 * @param callback Callback with error and match result, to be fired once the data has been compared
 */
export function compare(data: string, hash: string, callback: (error: Error, result: boolean) => void): void;

/**
 * Get number of rounds used for hash
 * @param hash Hash from which the number of rounds used should be extracted
 * @return number of rounds used to encrypt a given hash
 */
export function getRounds(hash: string): number;