text: /*
   * Copyright (c) 2010-2020 OTClient <https://github.com/edubart/otclient>
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  
  #ifndef LOGGER_H
  #define LOGGER_H
  
  #include "../global.h"
  
  #include <framework/stdext/thread.h>
  #include <fstream>
  #include <utility>
  
  struct LogMessage {
      LogMessage(Fw::LogLevel level, std::string message, std::size_t when) : level(level), message(std::move(message)), when(when) {}
      Fw::LogLevel level;
      std::string message;
      std::size_t when;
  };
  
  // @bindsingleton g_logger
  class Logger
  {
      enum {
          MAX_LOG_HISTORY = 1000
      };
  
      using OnLogCallback = std::function<void(Fw::LogLevel, const std::string&, int64)>;
  
  public:
      void log(Fw::LogLevel level, const std::string& message);
      void logFunc(Fw::LogLevel level, const std::string& message, std::string prettyFunction);
  
      void debug(const std::string& what) { log(Fw::LogDebug, what); }
      void info(const std::string& what) { log(Fw::LogInfo, what); }
      void warning(const std::string& what) { log(Fw::LogWarning, what); }
      void error(const std::string& what) { log(Fw::LogError, what); }
      void fatal(const std::string& what) { log(Fw::LogFatal, what); }
  
      void fireOldMessages();
      void setLogFile(const std::string& file);
      void setOnLog(const OnLogCallback& onLog) { m_onLog = onLog; }
  
  private:
      std::deque<LogMessage> m_logMessages;
      OnLogCallback m_onLog;
      std::ofstream m_outFile;
      std::recursive_mutex m_mutex;
  };
  
  extern Logger g_logger;
  
  #define trace() logFunc(Fw::LogDebug, "", __PRETTY_FUNCTION__)
  #define traceDebug(a) logFunc(Fw::LogDebug, a, __PRETTY_FUNCTION__)
  #define traceInfo(a) logFunc(Fw::LogInfo, a, __PRETTY_FUNCTION__)
  #define traceWarning(a) logFunc(Fw::LogWarning, a, __PRETTY_FUNCTION__)
  #define traceError(a) logFunc(Fw::LogError, a, __PRETTY_FUNCTION__)
  
  #define logTraceCounter() { \
      static int __count = 0; \
      static Timer __timer; \
      __count++; \
      if(__timer.ticksElapsed() >= 1000) { \
          logTraceDebug(__count); \
          __count = 0; \
          __timer.restart(); \
      } \
  }
  
  #define logTraceFrameCounter() { \
      static int __count = 0; \
      static Timer __timer; \
      __count++; \
      if(__timer.ticksElapsed() > 0) { \
          logTraceDebug(__count); \
          __count = 0; \
          __timer.restart(); \
      } \
  }
  
  #endif
  