//
//  CBLLogger.h
//  CouchbaseLite
//
//  Copyright (c) 2017 Couchbase, Inc 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.
//  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.
//

NS_ASSUME_NONNULL_BEGIN

/**
 Log domain.
 */
typedef NS_OPTIONS(NSUInteger, CBLLogDomain) {
    kCBLLogDomainAll            = 1 << 0 | 1 << 1 | 1 << 2 | 1 << 3, ///< All domains
    kCBLLogDomainDatabase       = 1 << 0, ///< Database domain.
    kCBLLogDomainQuery          = 1 << 1, ///< Query domain.
    kCBLLogDomainReplicator     = 1 << 2, ///< Replicator domain.
    kCBLLogDomainNetwork        = 1 << 3  ///< Network domain.
};

/**
 Log level.
 */
typedef NS_ENUM(NSUInteger, CBLLogLevel) {
    kCBLLogLevelDebug,      ///< Debug log messages. Only present in debug builds of CouchbaseLite.
    kCBLLogLevelVerbose,    ///< Verbose log messages.
    kCBLLogLevelInfo,       ///< Informational log messages.
    kCBLLogLevelWarning,    ///< Warning log messages.
    kCBLLogLevelError,      ///< Error log messages.
    kCBLLogLevelNone        ///< Disabling log messages of a given log domain.
};

/**
 Logger protocol
 */
@protocol CBLLogger <NSObject>

/** The minimum log level to be logged. */
@property (readonly, nonatomic) CBLLogLevel level;

/** The callback log method. */
- (void) logWithLevel: (CBLLogLevel)level domain: (CBLLogDomain)domain message: (NSString*)message;

@end

NS_ASSUME_NONNULL_END