// -----------------------------------------------------------------------
// <copyright file="LogConsoleViewModel.cs" company="Microsoft">
// TODO: Update copyright text.
// </copyright>
// -----------------------------------------------------------------------

using System.ComponentModel.Composition;
using System.Reflection;
using Caliburn.Micro;
using log4net.Appender;
using log4net.Core;
using log4net.Layout;
using log4net.Repository.Hierarchy;

namespace Pithos.Client.WPF.LogConsole
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;

    /// <summary>
    /// TODO: Update summary.
    /// </summary>
    [Export(typeof(LogConsoleViewModel))]
    public class LogConsoleViewModel:Screen
    {
        private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private readonly MemoryAppender _memoryAppender;
        private BindableCollection<LoggingEvent> _events;


        public override string DisplayName
        {
            get
            {
                return "Pithos+ Log Console";
            }
            set
            {
                base.DisplayName = value;
            }
        }
        public LogConsoleViewModel()
        {
            var loggerRepository = (Hierarchy)log4net.LogManager.GetRepository();

            var appenders = loggerRepository.GetAppenders();
            
            _memoryAppender= appenders.OfType<MemoryAppender>().FirstOrDefault();
/*
            if (_memoryAppender == null)
            {
                _memoryAppender = new MemoryAppender
                                      {
                                          Name="MemoryAppender",
                                          Layout=new SimpleLayout(),
                                          Threshold=Level.All
                                      };                                
                _memoryAppender.ActivateOptions();
                loggerRepository.Root.AddAppender(_memoryAppender);
                loggerRepository.RaiseConfigurationChanged(EventArgs.Empty);
            }
*/
            RefreshEvents();            
        }

        public void RefreshEvents()
        {            
            Events =new BindableCollection<LoggingEvent>(_memoryAppender.GetEvents());
        }

        public BindableCollection<LoggingEvent> Events
        {
            get {
                return _events;
            }
            set {
                _events = value;
                NotifyOfPropertyChange(()=>Events);
            }
        }
    }
}