/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 <UIKit/UIKit.h>

@class PETCredentials;

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;

/**
 * Returns the credentials cached in the keychain. If credentials are not available returns nil
 * @return A populated PETCredentials object, nil if no credentials are available in the keychain
 */
- (PETCredentials *)getCachedCredentials;

/**
 * Saves a set of PETCredentials in the keychain.
 * @param creds A populated PETCredentials object
 */
- (void)cacheCredentials:(PETCredentials *)creds;

/**
 * Sets the default AWSCredentialsProvider for the generated SDK. The credentials provider uses
 * the cached credentials from the keychain if they are available. If there are no cached credentials
 * in the keychain the method returns without setting a default configuration.
 */
- (void)setDefaultConfiguration;

@end