Add shared packages

src/Tribufu.Logging/Logger.cs

@@ -0,0 +1,59 @@
+// Copyright (c) Tribufu. All Rights Reserved.
+// SPDX-License-Identifier: MIT
+
+using System;
+
+namespace Tribufu.Logging
+{
+    public static class Logger
+    {
+        private static LogLevel _level = LogLevel.Off;
+
+        public static void Initialize(LogLevel level = LogLevel.Off)
+        {
+            _level = level;
+        }
+
+        public static void Info(string message)
+        {
+            Log(LogLevel.Info, message, ConsoleColor.Green);
+        }
+
+        public static void Warn(string message)
+        {
+            Log(LogLevel.Warn, message, ConsoleColor.Yellow);
+        }
+
+        public static void Error(string message)
+        {
+            Log(LogLevel.Error, message, ConsoleColor.Red);
+        }
+
+        public static void Debug(string message)
+        {
+            Log(LogLevel.Debug, message, ConsoleColor.White);
+        }
+
+        public static void Trace(string message)
+        {
+            Log(LogLevel.Trace, message, ConsoleColor.Gray);
+        }
+
+        private static void Log(LogLevel level, string message, ConsoleColor color)
+        {
+            if (_level == LogLevel.Off)
+            {
+                return;
+            }
+
+            if (_level == LogLevel.All || level >= _level)
+            {
+                var defaultColor = Console.ForegroundColor;
+                Console.ForegroundColor = color;
+                var timestamp = DateTime.Now.ToString("yyyy-MM-ddTHH:mm:ss");
+                Console.WriteLine($"[{timestamp}] [{level.ToString().ToUpper()}]: {message}");
+                Console.ForegroundColor = defaultColor;
+            }
+        }
+    }
+}