Logger.h

#pragma once
 
#include <Arduino.h>
#include <cstdarg>  // For va_list, va_start, and va_end
 
namespace pulsewire {
 
class Logger {
 public:
  enum LogLevel {
    LOG_LEVEL_NONE,
    LOG_LEVEL_ERROR,
    LOG_LEVEL_WARNING,
    LOG_LEVEL_INFO,
    LOG_LEVEL_DEBUG
  };
 
  static void setLogLevel(LogLevel level) { _logLevel = level; }
 
  static void error(const char* format, ...) {
    if (_logLevel >= LOG_LEVEL_ERROR) {
      Serial.print("[ERROR] ");
      va_list args;
      va_start(args, format);
      logFormatted(format, args);
      va_end(args);
    }
  }
 
  static void warning(const char* format, ...) {
    if (_logLevel >= LOG_LEVEL_WARNING) {
      Serial.print("[WARNING] ");
      va_list args;
      va_start(args, format);
      logFormatted(format, args);
      va_end(args);
    }
  }
 
  static void info(const char* format, ...) {
    if (_logLevel >= LOG_LEVEL_INFO) {
      Serial.print("[INFO] ");
      va_list args;
      va_start(args, format);
      logFormatted(format, args);
      va_end(args);
    }
  }
 
  static void debug(const char* format, ...) {
    if (_logLevel >= LOG_LEVEL_DEBUG) {
      Serial.print("[DEBUG] ");
      va_list args;
      va_start(args, format);
      logFormatted(format, args);
      va_end(args);
    }
  }
 
  static void setOutput(Print& print) { output = &print; }
 
 private:
  static LogLevel _logLevel;
  static Print* output;
 
  static void logFormatted(const char* format, va_list args) {
    char buffer[256];  // Adjust the buffer size as needed
    vsnprintf(buffer, sizeof(buffer), format, args);
    output->println(buffer);
  }
};
 
// Initialize the static member variable
Logger::LogLevel Logger::_logLevel = Logger::LOG_LEVEL_NONE;
Print* Logger::output = &Serial;
 
}  // namespace pulsewire
 
#define TRACE() Logger::debug("%s:%d - %s", __FILE__, __LINE__, __func__)
//#define TRACE()