/*
 * Copyright 2017 Google
 *
 * 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>
#import "FRepoInfo.h"
#import "FPersistentConnection.h"
#import "FIRDataEventType.h"
#import "FTupleUserCallback.h"

@class FQuerySpec;
@class FPersistence;
@class FAuthenticationManager;
@class FIRDatabaseConfig;
@protocol FEventRegistration;
@class FCompoundWrite;
@protocol FClock;
@class FIRDatabase;

@interface FRepo : NSObject <FPersistentConnectionDelegate>

@property (nonatomic, strong) FIRDatabaseConfig *config;

- (id)initWithRepoInfo:(FRepoInfo *)info config:(FIRDatabaseConfig *)config database:(FIRDatabase *)database;

- (void) set:(FPath *)path withNode:(id)node withCallback:(fbt_void_nserror_ref)onComplete;
- (void) update:(FPath *)path withNodes:(FCompoundWrite *)compoundWrite withCallback:(fbt_void_nserror_ref)callback;
- (void) purgeOutstandingWrites;

- (void) addEventRegistration:(id<FEventRegistration>)eventRegistration forQuery:(FQuerySpec *)query;
- (void) removeEventRegistration:(id<FEventRegistration>)eventRegistration forQuery:(FQuerySpec *)query;
- (void) keepQuery:(FQuerySpec *)query synced:(BOOL)synced;

- (NSString*)name;
- (NSTimeInterval)serverTime;

- (void) onDataUpdate:(FPersistentConnection *)fpconnection forPath:(NSString *)pathString message:(id)message isMerge:(BOOL)isMerge tagId:(NSNumber *)tagId;
- (void) onConnect:(FPersistentConnection *)fpconnection;
- (void) onDisconnect:(FPersistentConnection *)fpconnection;

// Disconnect methods
- (void) onDisconnectCancel:(FPath *)path withCallback:(fbt_void_nserror_ref)callback;
- (void) onDisconnectSet:(FPath *)path withNode:(id<FNode>)node withCallback:(fbt_void_nserror_ref)callback;
- (void) onDisconnectUpdate:(FPath *)path withNodes:(FCompoundWrite *)compoundWrite withCallback:(fbt_void_nserror_ref)callback;

// Connection Management.
- (void) interrupt;
- (void) resume;

// Transactions
- (void) startTransactionOnPath:(FPath *)path
                         update:(fbt_transactionresult_mutabledata)update
                     onComplete:(fbt_void_nserror_bool_datasnapshot)onComplete
                withLocalEvents:(BOOL)applyLocally;

// Testing methods
- (NSDictionary *) dumpListens;
- (void) dispose;
- (void) setHijackHash:(BOOL)hijack;

@property (nonatomic, strong, readonly) FAuthenticationManager *auth;
@property (nonatomic, strong, readonly) FIRDatabase *database;

@end