//
// Copyright 2022 Wultra s.r.o.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License 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 { PowerAuthAuthentication } from '../index';
import { NativeWrapper } from './NativeWrapper';
import { PowerAuthNativeObject } from '../model/PowerAuthNativeObject';
import { PowerAuthRawAuthentication } from '../model/PowerAuthNativeTypes';

/**
 * Method will process `PowerAuthAuthentication` object are will return object according to the platform.
 * The method should be used only for the signing purposes.
 * @param instanceId PowerAuth instnace identifier.
 * @param authentication Authentication configuration
 * @param makeReusable if the object should be forced to be reusable
 * @returns configured authorization object
 */
export async function resolveAuthentication(instanceId: string, authentication: PowerAuthAuthentication, makeReusable: boolean = false): Promise<PowerAuthAuthentication> {
    // Force cast to private interface and patch possible legacy object.
    const correctAuth = authentication.convertLegacyObject(false)
    const privateAuth = (correctAuth as any as PowerAuthRawAuthentication)
    // Test whether previously fetched biometryKeyId is invalid. Reset biometry key's identifier
    // if underlying data object is no longer valid.
    if (privateAuth.isReusable && privateAuth.biometryKeyId !== undefined) {
        if (!await PowerAuthNativeObject.isValidNativeObject(privateAuth.biometryKeyId)) {
            privateAuth.biometryKeyId = undefined
        }
    }
    // On both platforms we need to fetch the key for every biometric authentication.
    // If the key is already set, use it.
    if (privateAuth.isBiometry && privateAuth.biometryKeyId === undefined) {
        try {
            // Alter the reusable flag
            const isReusable = privateAuth.isReusable = privateAuth.isReusable || makeReusable
            // Acquire biometry key. The function returns ID to underlying data object with a limited validity.
            privateAuth.biometryKeyId = (await NativeWrapper.thisCall('authenticateWithBiometry', instanceId, correctAuth.biometricPrompt, isReusable)) as string;
            return correctAuth;
        } catch (e) {
            throw NativeWrapper.processException(e)
        }
    }
    // no other processing is required
    return correctAuth;
}