added logger

triing to add logger and some queue features (main loop can send and retrieve items form queue based on schedule and communication with dekstop interface)

src/client_backend/log.cpp

@@ -0,0 +1,59 @@
+#ifndef LOG_CPP
+#define LOG_CPP
+#include "log.h"
+
+std::string get_loglevel(LOGLEVEL level) {
+    switch (level) {
+    case LOGLEVEL::INFO:
+        return "INFO";
+    case LOGLEVEL::WARN:
+        return "WARNING";
+    case LOGLEVEL::ERR:
+        return "ERROR";
+    default:
+        return "UNKNOWN";
+    }
+}
+
+template <typename... Args>
+void log(LOGLEVEL level, const std::string& message, Args&&... args) {
+    std::string prefix = get_loglevel(level);
+    std::time_t now = std::time(nullptr);
+    std::tm tm = *std::localtime(&now);
+
+    std::ostringstream logStream;
+    logStream << std::put_time(&tm, "%Y-%m-%d %H:%M:%S") << " " << prefix << message;
+    if constexpr (sizeof...(args) > 0) {
+        ((logStream << ' ' << std::forward<Args>(args)), ...);
+    }
+    logStream << std::endl;
+    std::string logString = logStream.str();
+
+    // Open the file based on log level
+    std::ofstream logFile;
+    switch (level) {
+    case LOGLEVEL::INFO:
+        logFile.open(INFOFILE, std::ios_base::app);
+        break;
+    case LOGLEVEL::WARNING:
+        logFile.open(WARNFILE, std::ios_base::app);
+        break;
+    case LOGLEVEL::ERROR:
+        logFile.open(ERRORFILE, std::ios_base::app);
+        break;
+    }
+
+    // Write the log to the file
+    if (logFile.is_open()) {
+        logFile << logString.c_str();
+        logFile.close();
+    }
+    //write the log to the general file
+    logFile.open(LOGFILE, std::ios_base::app);
+    if (logFile.is_open()) {
+        logFile << logString.c_str();
+		logFile.close();
+	}
+}
+
+#endif