import { User, JSONWebToken, Credential } from '@digitalpersona/core';
import { IAuthService } from '@digitalpersona/services';
import { Authenticator } from '../../private';

/**
 * Smart card authentication API.
 * Smartcards supports only authentication with PIN. Identification is not supported.
 */
export class SmartCardAuth extends Authenticator
{
    /** Constructs a new smartcard authentication API object.
     * @param authService - an {@link AuthService|authentication service client} connected to the server.
     */
    constructor(authService: IAuthService) {
        super(authService);
    }

    /** Authenticates the user using a smartcard.
     * @param identity - a {@link User |username} or a JSON Web Token.
     * @param cardData - card authentication data received from the card using a PIN.
     * @returns a promise to return a JSON Web Token containing a claim (`crd`) showing the fact
     * a smartcard was used.
     * Will reject if authentication fails.
     * @remarks
     * If the `identity` parameter is a user name, a new token will be created.
     * If the `identity` parameter is a JSON Web Token, an updated token will be returned.
     */
    public authenticate(
        identity: User|JSONWebToken,
        cardData: string,
    ): Promise<JSONWebToken>
    {
        return super._authenticate(identity, new Credential(Credential.SmartCard, cardData));
    }
}

/**
 * Contactless card authentication API.
 * Contactless cards support both authentication and identification.
 */
export class ContactlessCardAuth extends Authenticator
{
    /** Constructs a new contactless authentication API object.
     * @param authService - an {@link AuthService|authentication service client} connected to the server.
     */
    constructor(authService: IAuthService){
        super(authService);
    }

    /** Authenticates the user using a contactless card.
     * @param identity - a {@link User |username} or a JSON Web Token.
     * @param cardData - card authentication data received from the card using a `CardsReader.getCardAuthData`.
     * @returns a promise to return a JSON Web Token containing a claim (`crd`) showing the fact
     * a contactless card was used.
     * Will reject if authentication fails.
     * @remarks
     * If the `identity` parameter is a user name, a new token will be created.
     * If the `identity` parameter is a JSON Web Token, an updated token will be returned.
     */
    public authenticate(
        identity: User|JSONWebToken,
        cardData: string,
    ): Promise<JSONWebToken>
    {
        return super._authenticate(identity, new Credential(Credential.ContactlessCard, cardData));
    }

    /** Identifies the user with a contactless card.
     * @param cardData - card authentication data received from the card using a `CardsReader.getCardAuthData`.
     * @returns a promise to return a JSON Web Token containing a subject identity claims (`sub`, `group`, etc)
     * and a claim (`crd`) showing the fact a contactless card was used.
     * Will reject if identification fails.
     * @remarks
     * If the `identity` parameter is a user name, a new token will be created.
     * If the `identity` parameter is a JSON Web Token, an updated token will be returned.
     */
    public identify(
        cardData: string,
    ): Promise<JSONWebToken>
    {
        return this.authService
            .Identify(new Credential(Credential.ContactlessCard, cardData))
            .then(ticket => ticket.jwt);
    }
}

/**
 * Proximity card authentication API.
 * Proximity cards support both authentication and identification.
 */
export class ProximityCardAuth extends Authenticator
{
    /** Constructs a new proximity authentication API object.
     * @param authService - an {@link AuthService|authentication service client} connected to the server.
     */
    constructor(authService: IAuthService){
        super(authService);
    }

    /** Authenticates the user using a proximimty card.
     * @param identity - a {@link User |username} or a JSON Web Token.
     * @param cardData - card authentication data received from the card using a `CardsReader.getCardAuthData`.
     * @returns a promise to return a JSON Web Token containing a claim (`crd`) showing the fact
     * a proximity card was used.
     * Will reject if authentication fails.
     * @remarks
     * If the `identity` parameter is a user name, a new token will be created.
     * If the `identity` parameter is a JSON Web Token, an updated token will be returned.
     */
    public authenticate(
        identity: User|JSONWebToken,
        cardData: string,
    ): Promise<JSONWebToken>
    {
        return super._authenticate(identity, new Credential(Credential.ProximityCard, cardData));
    }

    /** Identifies the user with a proximity card.
     * @param cardData - card authentication data received from the card using a `CardsReader.getCardAuthData`.
     * @returns a promise to return a JSON Web Token containing a subject identity claims (`sub`, `group`, etc)
     * and a claim (`crd`) showing the fact a proximity card was used.
     * Will reject if identification fails.
     * @remarks
     * If the `identity` parameter is a user name, a new token will be created.
     * If the `identity` parameter is a JSON Web Token, an updated token will be returned.
     */
    public identify(
        cardData: string,
    ): Promise<JSONWebToken>
    {
        return this.authService
            .Identify(new Credential(Credential.ProximityCard, cardData))
            .then(ticket => ticket.jwt);
    }
}