#region "Header"
/*
   Licensed to the Apache Software Foundation (ASF) under one
   or more contributor license agreements.  See the NOTICE file
   distributed with this work for additional information
   regarding copyright ownership.  The ASF licenses this file
   to you under the Apache License, Version 2.0 (the
   "License"); you may not use this file except in compliance
   with the License.  You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing,
   software distributed under the License is distributed on an
   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   KIND, either express or implied.  See the License for the
   specific language governing permissions and limitations
   under the License.
 */
#endregion
//
using System;
using System.Collections;
using System.Diagnostics;
using System.IO;
using System.Text;
using log4net;
using log4net.Repository.Hierarchy;
using log4net.Core;
using log4net.Appender;
using log4net.Layout;

//
namespace DeviceMap
{
    public sealed class Util
    {
        // Private
        /// <summary>
        ///  Exception to string
        /// </summary>
        /// <param name="id">some id</param>
        /// <param name="ex">Exception</param>
        /// <returns>String</returns>
        /// <remarks>-</remarks>
        private static string ExceptionToString(string id, Exception ex)
        {
            StringBuilder result = new StringBuilder();
            if (!string.IsNullOrEmpty(id))
            {
                result.AppendLine(string.Format("Id : {0}", id));
            }
            result.AppendLine(string.Format("Message : {0}", ex.Message));
            if (ex.Data.Count != 0)
            {
                result.AppendLine("Data : ");
                foreach (DictionaryEntry de in ex.Data)
                {
                    result.AppendLine(de.Key.ToString());
                }
            }
            result.AppendLine(string.Format("Source : {0}", ex.Source));
            result.AppendLine(string.Format("TargetSite : {0}", ex.TargetSite.ToString()));
            result.AppendLine(string.Format("StackTrace : {0}", ex.StackTrace));
            return result.ToString();
        }
        // Public
        /// <summary>
        ///  Returns directory of config file of running assembly
        /// </summary>
        /// <returns>String</returns>
        /// <remarks>-</remarks>
        public static string Home()
        {
            return new FileInfo(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile).DirectoryName;
        }
        /// <summary>
        ///  Console debug messages
        /// </summary>
        /// <param name="msg">message</param>
        /// <remarks>-</remarks>
        public static void Log(string msg)
        {
            Log(msg, null);
        }
        /// <summary>
        ///  Console debug exception messages
        /// </summary>
        /// <param name="msg">message</param>
        /// <param name="e">Exception</param>
        /// <remarks>-</remarks>
        public static void Log(string msg, Exception e)
        {
            Console.WriteLine(string.Format("{0} - {1}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"), msg));
            if (e != null)
            {
                Console.WriteLine("Exception");
                Console.WriteLine(ExceptionToString("console", e));
            }
        }
        /// <summary>
        ///  Normalize pattern to letters and digits only
        /// </summary>
        /// <param name="dirty">string to normalize</param>
        /// <returns>String</returns>
        /// <remarks>-</remarks>
        public static string Normalize(string dirty)
        {
            if (string.IsNullOrEmpty(dirty))
            {
                return dirty;
            }
            dirty = dirty.ToLower().Trim().Replace("[bb]", "b");
            StringBuilder builder = new StringBuilder();
            for (int i = 0; i <= dirty.Length - 1; i++)
            {
                System.Nullable<char> c = dirty[i];
                if (char.IsLetter(Convert.ToChar(c)) || char.IsDigit(Convert.ToChar(c)))
                {
                    builder.Append(c);
                }
            }
            return builder.ToString();
        }
        //  public static
        /// <summary>
        ///  Log Object to Application Log
        /// </summary>
        /// <param name="entryStr">String</param>
        /// <param name="type">EventLogEntryType</param>
        /// <remarks></remarks>
        /*       public static void WriteEntry(string appName, string entryStr, EventLogEntryType type = EventLogEntryType.Warning, Exception ex = null)
               {
                   using (EventLog myLog = new EventLog())
                   {
                       myLog.Source = appName;
                       if (!EventLog.SourceExists(myLog.Source))
                       {
                           EventLog.CreateEventSource(myLog.Source, "Application");
                       }
                       if (ex != null)
                       {
                           entryStr = string.Format("{0} : {1}", entryStr, ExceptionToString("ex", ex));
                       }
                       byte[] btText = Encoding.UTF8.GetBytes(entryStr);
                       if (btText.Length > 32766)
                       {
                           // The message string is longer than 32766 bytes.
                           entryStr = BitConverter.ToString(btText, 0, 32760);
                       }
                       myLog.WriteEntry(entryStr, type);
                   }
               } */

        public static void SetupLogging()
        {
            Hierarchy hierarchy = (Hierarchy)LogManager.GetRepository();

            PatternLayout patternLayout = new PatternLayout();
            patternLayout.ConversionPattern = "%date [%thread] %-5level %logger - %message%newline";
            patternLayout.ActivateOptions();

            RollingFileAppender roller = new RollingFileAppender();
            roller.AppendToFile = true;
            roller.File = @"DeviceMap.log";
            roller.Layout = patternLayout;
            roller.MaxSizeRollBackups = 5;
            roller.MaximumFileSize = "500MB";
            roller.RollingStyle = RollingFileAppender.RollingMode.Size;
            roller.StaticLogFileName = true;
            roller.ActivateOptions();
            hierarchy.Root.AddAppender(roller);

            MemoryAppender memory = new MemoryAppender();
            memory.ActivateOptions();
            hierarchy.Root.AddAppender(memory);

            hierarchy.Root.Level = Level.Info;
            hierarchy.Configured = true;
        }
    }
}