using System;
using System.Collections.Generic;
using System.Text;
using log4net.Config;
using log4net;
using System.IO;
using log4net.Util;
using System.Reflection;
using System.Collections;
using System.Windows.Forms;
using log4net.Appender;
using System.Linq;

namespace AnywhereTS
{
    public static class Logging
    {
        static Logging() { Logging.Initialize(); }
        private static void Initialize()
        {
            string path = typeof(Logging).Assembly.Location.ToLower().Replace(@"\AnywhereTS.Logging.dll".ToLower(), "");
            string config = string.Format(@"{0}\{1}", path, "AnywhereTS.Logging.dll.config");
            //MessageBox.Show(config);
            FileInfo fi = new FileInfo(config);
            XmlConfigurator.Configure(fi);
            Logging.SetLogPath(string.Format(@"{0}\logs", fi.FullName));
        }

        #region Log access
        public static readonly ILog ATSAdminLog = LogManager.GetLogger("AnywhereTS.ATSAmdin");
        public static readonly ILog TSControlPanelLog = LogManager.GetLogger("AnywhereTS.TSControlPanel");
        public static readonly ILog DatabaseLog = LogManager.GetLogger("AnywhereTS.DBSupport");

        public static readonly ILog ATSAdminInstallerLog = LogManager.GetLogger("AnywhereTS.ATSAmdin.Installer");
        public static readonly ILog TSControlPanelInstallerLog = LogManager.GetLogger("AnywhereTS.TSControlPanel.Installer");

        public static readonly ILog WizardLog = LogManager.GetLogger("AnywhereTS.Wizard");
        public static readonly ILog DefaultLog = LogManager.GetLogger("AnywhereTS.DefaultLogger");

        #endregion

        public static void UpdateLogPath() 
        {
            string path = typeof(Logging).Assembly.Location.ToLower().Replace(@"\AnywhereTS.Logging.dll".ToLower(), "");
            Logging.UpdateLogPath(path);
        }
        public static void UpdateLogPath(string path) { Logging.SetLogPath(path); }

        private static void SetLogPath(string path)
        {
            var fileAppenders = from appender in log4net.LogManager.GetRepository().GetAppenders()
                                where appender is FileAppender
                                select appender;
            fileAppenders.Cast<FileAppender>()
               .ToList()
               .ForEach(
                   fa =>
                   {
                       FileInfo fi = new FileInfo(fa.File);
                       string file = fi.Name;
                       fa.File = new FileInfo(string.Format(@"{0}\{1}", path, file)).FullName;
                       fa.ActivateOptions();
                   }
               );
        }

        #region log4net help
        public static List<string> GetMessagesFromThreadContextStack(string RawContextStack)
        {
            try
            {
                ThreadContextStack tc = ThreadContext.Stacks[RawContextStack.ToUpper()];
                if (tc == null) { return new List<string>(); }
                else { return GetMessagesFromThreadContextStack(tc); }
            }
            catch { return new List<string>(); }
        }
        public static List<string> GetMessagesFromThreadContextStack(ThreadContextStack rawTCS)
        {
            Type t = typeof(ThreadContextStack);
            //ConstructorInfo ci = t.GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, new Type[0], null);
            //ThreadContextStack tmpRawTCS = null;
            //tmpRawTCS = (ThreadContextStack)ci.Invoke(null);
            List<string> stObjects = new List<string>();
            ThreadContextStack context = (rawTCS as ThreadContextStack);
            for (int i = 0; i < context.Count; i++)
            {
                MethodInfo mi = t.GetMethod("GetFullMessage", BindingFlags.NonPublic | BindingFlags.Instance);
                string message = mi.Invoke(context, null).ToString();
                stObjects.Add(message);
                context.Pop();
            }
            stObjects.Reverse();
            rawTCS.Clear();
            // push the popped Context message back onto the original ContextStack
            foreach (string stObject in stObjects) { rawTCS.Push(stObject); }
            return stObjects;
        }
        #endregion
    }
}