Reorganize codebase into modular structure

src/utils/logging.rs

@@ -0,0 +1,58 @@
+// Logging utilities
+
+// Log levels
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+pub enum LogLevel {
+    Debug,
+    Info,
+    Warning,
+    Error,
+}
+
+// Global log level (could be made configurable)
+static mut CURRENT_LOG_LEVEL: LogLevel = LogLevel::Info;
+
+// Set the global log level
+pub fn set_log_level(level: LogLevel) {
+    unsafe {
+        CURRENT_LOG_LEVEL = level;
+    }
+}
+
+// Get the current log level
+pub fn get_log_level() -> LogLevel {
+    unsafe {
+        CURRENT_LOG_LEVEL
+    }
+}
+
+// Log a message at the specified level
+pub fn log(level: LogLevel, message: &str) {
+    if level >= unsafe { CURRENT_LOG_LEVEL } {
+        let prefix = match level {
+            LogLevel::Debug => "[DEBUG]",
+            LogLevel::Info => "[INFO]",
+            LogLevel::Warning => "[WARNING]",
+            LogLevel::Error => "[ERROR]",
+        };
+        
+        println!("{} {}", prefix, message);
+    }
+}
+
+// Convenience functions for different log levels
+pub fn debug(message: &str) {
+    log(LogLevel::Debug, message);
+}
+
+pub fn info(message: &str) {
+    log(LogLevel::Info, message);
+}
+
+pub fn warning(message: &str) {
+    log(LogLevel::Warning, message);
+}
+
+pub fn error(message: &str) {
+    log(LogLevel::Error, message);
+}