using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using Misuzilla.Applications.TwitterIrcGateway.AddIns.Console;
using Misuzilla.Applications.TwitterIrcGateway.AddIns.TypableMap;

namespace Misuzilla.Applications.TwitterIrcGateway.AddIns
{
    public class TypableMapSupport : AddInBase
    {
        private TypableMapCommandProcessor _typableMapCommands;
        public TypableMapCommandProcessor TypableMapCommands { get { return _typableMapCommands; } }
        private ITypableMapStatusRepositoryFactory _typableMapFactory;
        public ITypableMapStatusRepositoryFactory TypableMapFactory
        {
            get { return _typableMapFactory; }
            set { _typableMapFactory = value; UpdateProcessor(); }
        }
        
        public override void Initialize()
        {
            CurrentSession.UpdateStatusRequestReceived += new EventHandler<StatusUpdateEventArgs>(Session_UpdateStatusRequestReceived);
            CurrentSession.PreSendMessageTimelineStatus += new EventHandler<TimelineStatusEventArgs>(Session_PreSendMessageTimelineStatus);
            CurrentSession.ConfigChanged += new EventHandler<EventArgs>(Session_ConfigChanged);
            CurrentSession.AddInsLoadCompleted += (sender, e) =>
            {
                CurrentSession.AddInManager.GetAddIn<ConsoleAddIn>().RegisterContext<TypableMapContext>();
            };

            TypableMapFactory = new TypableMapStatusOnDemandRepositoryFactory(CurrentSession);
            if (CurrentSession.Config.EnableTypableMap)
                UpdateProcessor();
        }

        void Session_PreSendMessageTimelineStatus(object sender, TimelineStatusEventArgs e)
        {
            // TypableMap
            if (CurrentSession.Config.EnableTypableMap)
            {
                String typableMapId = _typableMapCommands.TypableMap.Add(e.Status);
                // TypableMapKeyColorNumber = -1 の場合には色がつかなくなる
                if (CurrentSession.Config.TypableMapKeyColorNumber < 0)
                    e.Text = String.Format("{0} ({1})", e.Text, typableMapId);
                else
                    e.Text = String.Format("{0} \x0003{1}({2})", e.Text, CurrentSession.Config.TypableMapKeyColorNumber, typableMapId);
            }
        }

        void Session_UpdateStatusRequestReceived(object sender, StatusUpdateEventArgs e)
        {
            // Typable Map コマンド?
            if (CurrentSession.Config.EnableTypableMap)
            {
                if (_typableMapCommands.Process(e.ReceivedMessage))
                {
                    e.Cancel = true;
                    return;
                }
            }
        }

        void Session_ConfigChanged(object sender, EventArgs e)
        {
            if (CurrentSession.Config.EnableTypableMap)
            {
                if (_typableMapCommands == null)
                    UpdateProcessor();
                if (_typableMapCommands.TypableMapKeySize != CurrentSession.Config.TypableMapKeySize)
                    _typableMapCommands.TypableMapKeySize = CurrentSession.Config.TypableMapKeySize;
            }
            else
            {
                _typableMapCommands = null;
            }
        }
    
        void UpdateProcessor()
        {
            _typableMapCommands = new TypableMapCommandProcessor(TypableMapFactory, CurrentSession, CurrentSession.Config.TypableMapKeySize);
        }

        [Description("TypableMapの設定を行うコンテキストに切り替えます")]
        public class TypableMapContext : Context
        {
            public void ShowAllCommands()
            {
                var typableMapAddIn = CurrentSession.AddInManager.GetAddIn<TypableMapSupport>();
                foreach (var command in typableMapAddIn.TypableMapCommands.Commands)
                {
                    var t = command.Value.GetType();
                    var name = command.Value.GetType().FullName;
                    var isBuiltin = (t.Assembly == typeof (Server).Assembly);
                    if (isBuiltin)
                    {
                        name = name.Replace("Misuzilla.Applications.TwitterIrcGateway.AddIns", "[BuiltIn AddIns]");
                    }
                    if (command.Value is TypableMapCommandProcessor.GenericCommand)
                    {
                        name = "(Generic) " + (command.Value as TypableMapCommandProcessor.GenericCommand).Description;
                    }
                    Console.NotifyMessage(String.Format("{0}: {1}", command.Key, name));
                }
            }
        }
    }
}