/*
 * Copyright 2017-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
 * the License. A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
 * and limitations under the License.
 */

 import { ICookieStorageData, ICognitoStorage, CognitoUserAttribute } from "amazon-cognito-identity-js";

/**
* Parameters for user sign up
*/
export interface SignUpParams {
    username: string,
    password: string,
    attributes?: object,
    validationData?: CognitoUserAttribute[],
}

export interface AuthCache {
    setItem(),
    getItem(),
    removeItem()
}

/**
 * Auth instance options
 */
export interface AuthOptions {
    userPoolId?: string,
    userPoolWebClientId?: string,
    identityPoolId?: string,
    region?: string,
    mandatorySignIn?: boolean
    cookieStorage?: ICookieStorageData,
    oauth?: OAuthOpts,
    refreshHandlers?: object,
    storage?: ICognitoStorage,
    authenticationFlowType?: string,
    identityPoolRegion?: string
}

export enum CognitoHostedUIIdentityProvider {
    Cognito = 'COGNITO',
    Google = 'Google',
    Facebook = 'Facebook',
    Amazon = 'LoginWithAmazon',
}

export type LegacyProvider = 'google'|'facebook'|'amazon'|'developer'| string;

export type FederatedSignInOptions = {
    provider: CognitoHostedUIIdentityProvider
};

export type FederatedSignInOptionsCustom = {
    customProvider: string
};

export function isFederatedSignInOptions(obj: any): obj is FederatedSignInOptions  {
    const key: keyof FederatedSignInOptions = 'provider';
    return obj && obj.hasOwnProperty(key);
}

export function isFederatedSignInOptionsCustom(obj:any): obj is FederatedSignInOptionsCustom  {
    const key: keyof FederatedSignInOptionsCustom = 'customProvider';
    return obj && obj.hasOwnProperty(key);
}

/**
 * Details for multi-factor authentication
 */
export interface MfaRequiredDetails {
    challengeName: any,
    challengeParameters: any
}

/**
 * interface for federatedResponse
 */
export interface FederatedResponse {
    // access token
    token: string,
    // identity id
    identity_id?: string,
    // the universal time when token expired
    expires_at: number
}

/**
 * interface for federatedUser
 */
export interface FederatedUser {
    name: string,
    email?: string
}

export interface AwsCognitoOAuthOpts {
    domain: string,
	scope: Array<string>,
	redirectSignIn: string,
	redirectSignOut: string,
    responseType: string,
    options?: object,
    urlOpener?: (url:string, redirectUrl: string) => Promise<any>
}

export function isCognitoHostedOpts(oauth: OAuthOpts): oauth is AwsCognitoOAuthOpts {
    return (<AwsCognitoOAuthOpts>oauth).redirectSignIn !== undefined;
}


export interface Auth0OAuthOpts {
    domain: string,
    clientID: string,
	scope: string,
    redirectUri: string,
    audience: string,
    responseType: string,
    returnTo: string,
    urlOpener?: (url:string, redirectUrl: string) => Promise<any>
}

// Replacing to fix typings
// export interface OAuth {
//     awsCognito?: awsCognitoOAuthOpts,
//     auth0?: any
// }

export type OAuthOpts = AwsCognitoOAuthOpts | Auth0OAuthOpts;

export interface ConfirmSignUpOptions {
    forceAliasCreation?: boolean
}

export interface SignOutOpts {
    global?: boolean
}

export interface CurrentUserOpts {
    bypassCache: boolean
}

export interface GetPreferredMFAOpts {
    bypassCache: boolean
}

export type UsernamePasswordOpts = {
    username: string,
    password: string,
    validationData?: {[key:string]: any}
};

// We can extend this in the future if needed
export type SignInOpts = UsernamePasswordOpts;

export function isUsernamePasswordOpts(obj: any): obj is UsernamePasswordOpts {
    return !!(obj as UsernamePasswordOpts).username;
}