/*
 * Copyright 2023 Google LLC
 *
 * 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 <Foundation/Foundation.h>

#include <memory>

#include "Firestore/core/src/api/persistent_cache_index_manager.h"

NS_ASSUME_NONNULL_BEGIN

// TODO(sum/avg) move the contents of this category to
// ../Public/FirebaseFirestore/FIRPersistentCacheIndexManager.h
/**
 * A PersistentCacheIndexManager which you can config persistent cache indexes used for
 * local query execution.
 */
NS_SWIFT_NAME(PersistentCacheIndexManager)
@interface FIRPersistentCacheIndexManager : NSObject

/** :nodoc: */
- (instancetype)init
    __attribute__((unavailable("FIRPersistentCacheIndexManager cannot be created directly.")));

/**
 * Enables SDK to create persistent cache indexes automatically for local query execution when SDK
 * believes cache indexes can help improves performance.
 *
 * This feature is disabled by default.
 */
- (void)enableIndexAutoCreation NS_SWIFT_NAME(enableIndexAutoCreation());

/**
 * Stops creating persistent cache indexes automatically for local query execution. The indexes
 * which have been created by calling `enableIndexAutoCreation` still take effect.
 */
- (void)disableIndexAutoCreation NS_SWIFT_NAME(disableIndexAutoCreation());

/**
 * Removes all persistent cache indexes. Please note this function will also deletes indexes
 * generated by [[FIRFirestore firestore] setIndexConfigurationFromJSON] and [[FIRFirestore
 * firestore] setIndexConfigurationFromStream], which are deprecated.
 */
- (void)deleteAllIndexes NS_SWIFT_NAME(deleteAllIndexes());

@end

@interface FIRPersistentCacheIndexManager (/* Init */)

- (instancetype)initWithPersistentCacheIndexManager:
    (std::shared_ptr<const firebase::firestore::api::PersistentCacheIndexManager>)indexManager
    NS_DESIGNATED_INITIALIZER;

@end

NS_ASSUME_NONNULL_END