log service

src/Core/Abstractions/ILogService.cs

@@ -0,0 +1,10 @@
+namespace Bit.Core.Abstractions
+{
+    public interface ILogService
+    {
+        void Debug(string message);
+        void Error(string message);
+        void Info(string message);
+        void Warning(string message);
+    }
+}

src/Core/Services/ConsoleLogService.cs

@@ -0,0 +1,28 @@
+using Bit.Core.Abstractions;
+using System;
+
+namespace Bit.Core.Services
+{
+    public class ConsoleLogService : ILogService
+    {
+        public void Debug(string message)
+        {
+            Console.WriteLine("DEBUG: {0}", message);
+        }
+
+        public void Info(string message)
+        {
+            Console.WriteLine("INFO: {0}", message);
+        }
+
+        public void Warning(string message)
+        {
+            Console.WriteLine("WARNING: {0}", message);
+        }
+
+        public void Error(string message)
+        {
+            Console.WriteLine("ERROR: {0}", message);
+        }
+    }
+}