/*
 *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#import <Foundation/Foundation.h>

#import <WebRTC/RTCMacros.h>

// Subset of webrtc::LoggingSeverity.
typedef NS_ENUM(NSInteger, RTC_OBJC_TYPE(RTCLoggingSeverity)) {
  RTC_OBJC_TYPE(RTCLoggingSeverityVerbose),
  RTC_OBJC_TYPE(RTCLoggingSeverityInfo),
  RTC_OBJC_TYPE(RTCLoggingSeverityWarning),
  RTC_OBJC_TYPE(RTCLoggingSeverityError),
  RTC_OBJC_TYPE(RTCLoggingSeverityNone),
};

// Wrapper for C++ RTC_LOG(sev) macros.
// Logs the log string to the webrtc logstream for the given severity.
RTC_EXTERN void RTC_OBJC_TYPE(RTCLogEx)(RTC_OBJC_TYPE(RTCLoggingSeverity) severity, NSString* log_string);

// Wrapper for webrtc::LogMessage::LogToDebug.
// Sets the minimum severity to be logged to console.
RTC_EXTERN void RTC_OBJC_TYPE(RTCSetMinDebugLogLevel)(RTC_OBJC_TYPE(RTCLoggingSeverity) severity);

// Returns the filename with the path prefix removed.
RTC_EXTERN NSString* RTC_OBJC_TYPE(RTCFileName)(const char* filePath);

// Some convenience macros.

#define RTCLogString(format, ...)                                  \
  [NSString stringWithFormat:@"(%@:%d %s): " format,               \
                             RTC_OBJC_TYPE(RTCFileName)(__FILE__), \
                             __LINE__,                             \
                             __FUNCTION__,                         \
                             ##__VA_ARGS__]

#define RTCLogFormat(severity, format, ...)                     \
  do {                                                          \
    NSString* log_string = RTCLogString(format, ##__VA_ARGS__); \
    RTC_OBJC_TYPE(RTCLogEx)(severity, log_string);              \
  } while (false)

#define RTCLogVerbose(format, ...) RTCLogFormat(RTC_OBJC_TYPE(RTCLoggingSeverityVerbose), format, ##__VA_ARGS__)

#define RTCLogInfo(format, ...) RTCLogFormat(RTC_OBJC_TYPE(RTCLoggingSeverityInfo), format, ##__VA_ARGS__)

#define RTCLogWarning(format, ...) RTCLogFormat(RTC_OBJC_TYPE(RTCLoggingSeverityWarning), format, ##__VA_ARGS__)

#define RTCLogError(format, ...) RTCLogFormat(RTC_OBJC_TYPE(RTCLoggingSeverityError), format, ##__VA_ARGS__)

#if !defined(NDEBUG)
#define RTCLogDebug(format, ...) RTCLogInfo(format, ##__VA_ARGS__)
#else
#define RTCLogDebug(format, ...) \
  do {                           \
  } while (false)
#endif

#define RTCLog(format, ...) RTCLogInfo(format, ##__VA_ARGS__)
