Better defaults management, logger class implementation with logging levels, and write to file configuration implementation

include/Logger.hpp

@@ -0,0 +1,46 @@
+// Logger.hpp
+#pragma once
+
+#include <fstream>
+#include <iostream>
+#include <ctime>
+#include <string>
+#include <filesystem>
+#include <stdexcept>
+#include <cstdlib>
+
+#include "LoggingLevels.hpp"
+#include "DPMDefaults.hpp"
+
+class Logger {
+public:
+    // constructor
+    Logger();
+
+    // destructor
+    ~Logger();
+
+    // Log method that accepts a string
+    void log(LoggingLevels log_level, const std::string& message);
+
+    // Configuration setters
+    void setLogFile(const std::string& log_file);
+    void setWriteToLog(bool write_to_log);
+    void setLogLevel(LoggingLevels log_level);
+
+    // String to LoggingLevels conversion
+    static LoggingLevels stringToLogLevel(const std::string& level_str, LoggingLevels default_level = LoggingLevels::INFO);
+
+private:
+    // the logging level to stay initialized to
+    LoggingLevels log_level;
+
+    // whether or not to log to file
+    bool log_to_file;
+
+    // log file path
+    std::string log_file;
+};
+
+// Global logger instance
+extern Logger g_logger;