Big Update Added Services and Admin

src/Logger.php

@@ -0,0 +1,48 @@
+<?php
+class Logger {
+    protected string $logFile;
+    protected int $logLevelThreshold;
+
+    const LEVELS = [
+        'DEBUG' => 0,
+        'INFO' => 1,
+        'WARNING' => 2,
+        'ERROR' => 3,
+        'NONE' => 999
+    ];
+
+    public function __construct(string $logFile, string $minLevel = 'DEBUG') {
+        $this->logFile = $logFile;
+        $minLevel = strtoupper($minLevel);
+        $this->logLevelThreshold = self::LEVELS[$minLevel] ?? 0;
+    }
+
+    protected function log(string $level, string $message): void {
+        $level = strtoupper($level);
+        if (!isset(self::LEVELS[$level]) || self::LEVELS[$level] < $this->logLevelThreshold) {
+            return;
+        }
+
+        $time = date('Y-m-d H:i:s');
+        $ip = $_SERVER['REMOTE_ADDR'];
+        $logEntry = "[$time] [$ip] [$level] $message" . PHP_EOL;
+
+        file_put_contents($this->logFile, $logEntry, FILE_APPEND | LOCK_EX);
+    }
+
+    public function debug(string $msg): void {
+        $this->log('DEBUG', $msg);
+    }
+
+    public function info(string $msg): void {
+        $this->log('INFO', $msg);
+    }
+
+    public function warning(string $msg): void {
+        $this->log('WARNING', $msg);
+    }
+
+    public function error(string $msg): void {
+        $this->log('ERROR', $msg);
+    }
+}