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Modules/Logger.cpp

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+#include <iostream>
+#include <string>
+#include <Windows.h>
+#include <ctime>
+#include <sstream>
+#include <iomanip>
+#include <array>
+#include <string_view>
+#include <mutex>
+#include <chrono>
+
+extern int isDebug; // 0 = OFF, 1 = ON
+
+std::string colorOut_256(std::string_view s, int ForeColor = 7)
+{
+    std::ostringstream oss;
+    oss << "\033[38;5;" << ForeColor << "m" << s << "\033[m";
+    return oss.str();
+}
+
+std::string getSystemTime() {
+    using namespace std::chrono;
+    const auto now = system_clock::now();
+    const auto now_time_t = system_clock::to_time_t(now);
+    const auto ms = duration_cast<milliseconds>(now.time_since_epoch()).count() % 1000;
+
+    std::tm ltm{};
+    localtime_s(&ltm, &now_time_t);
+    std::ostringstream oss;
+    oss << std::put_time(&ltm, "%Y-%m-%d %H:%M:%S")
+        << '.' << std::setw(3) << std::setfill('0') << ms;
+    return oss.str();
+}
+
+// Logger mutex to ensure whole log lines are emitted atomically
+static std::mutex loggerMutex;
+
+void postLog(const std::string& message, int level) {
+    const auto timeNow = getSystemTime();
+
+    constexpr std::array<const char*, 5> levelNames = {"DEBUG", "INFO", "WARNING", "ERROR", "FATAL"};
+    constexpr std::array<int, 5> levelColors = {34, 27, 220, 196, 124};
+
+    const int idx = (level >= 0 && level < static_cast<int>(levelNames.size())) ? level : 1; // default to INFO
+
+    // Lock to make reading isDebug and all output atomic across threads
+    std::scoped_lock lock(loggerMutex);
+
+    if (isDebug == 0) {
+        if (idx == 0) return; // skip DEBUG when debug is off
+        std::cout << "[" << timeNow << " - " << levelNames[idx] << "] " << message << "\n";
+        return;
+    }
+
+    // isDebug == 1 -> colored output
+    const std::string levelDisplay = colorOut_256(levelNames[idx], levelColors[idx]);
+    std::ostream& out = (idx >= 3) ? static_cast<std::ostream&>(std::cerr) : static_cast<std::ostream&>(std::cout);
+    out << "[" << timeNow << " - " << levelDisplay << "] " << message << "\n";
+}