#region Copyright & License Information
/*
 * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
 * This file is part of OpenRA.
 * 
 *  OpenRA is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  OpenRA is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Net;
using OpenRA.Server;

namespace OpenRA.Widgets.Delegates
{
	public class WidgetDelegate
	{
		// For checkboxes
		public virtual bool GetState(Widget w) { return false; }
		
		// For any widget
		public virtual bool OnMouseDown(Widget w, MouseInput mi) { return false; }
		public virtual bool OnMouseUp(Widget w, MouseInput mi) { return false; }
		public virtual bool OnMouseMove(Widget w, MouseInput mi) { return false; }
	}
	
	public class MainMenuButtonsDelegate : WidgetDelegate
	{	
		public override bool OnMouseUp(Widget w, MouseInput mi)
		{
			// Main Menu root
			if (w.Id == "MAINMENU_BUTTON_QUIT")
			{
				Game.Exit();	
				return true;
			}
			return false;
		}
	}

	public class SettingsMenuDelegate : WidgetDelegate
	{
		public override bool GetState(Widget w)
		{
			if (w.Id == "SETTINGS_CHECKBOX_UNITDEBUG")
				return Game.Settings.UnitDebug;

			if (w.Id == "SETTINGS_CHECKBOX_PATHDEBUG")
				return Game.Settings.PathDebug;

			if (w.Id == "SETTINGS_CHECKBOX_INDEXDEBUG")
				return Game.Settings.IndexDebug;

			return false;
		}

		public override bool OnMouseDown(Widget w, MouseInput mi)
		{
			if (w.Id == "SETTINGS_CHECKBOX_UNITDEBUG")
			{
				Game.Settings.UnitDebug = !Game.Settings.UnitDebug;
				return true;
			}

			if (w.Id == "SETTINGS_CHECKBOX_PATHDEBUG")
			{
				Game.Settings.PathDebug = !Game.Settings.PathDebug;
				return true;
			}

			if (w.Id == "SETTINGS_CHECKBOX_INDEXDEBUG")
			{
				Game.Settings.IndexDebug = !Game.Settings.IndexDebug;
				return true;
			}

			return false;
		}

		public override bool OnMouseUp(Widget w, MouseInput mi)
		{
			if (w.Id == "MAINMENU_BUTTON_SETTINGS")
			{
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = false;
				Game.chrome.rootWidget.GetWidget("SETTINGS_BG").Visible = true;
				return true;
			}

			if (w.Id == "SETTINGS_BUTTON_OK")
			{
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = true;
				Game.chrome.rootWidget.GetWidget("SETTINGS_BG").Visible = false;
				return true;
			}

			return false;
		}
	}
	
	public class CreateServerMenuDelegate : WidgetDelegate
	{
		static bool AdvertiseServerOnline = Game.Settings.InternetServer;
		
		public override bool GetState(Widget w)
		{
			if (w.Id == "CREATESERVER_CHECKBOX_ONLINE")
				return AdvertiseServerOnline;
			
			return false;
		}
		
		public override bool OnMouseDown(Widget w, MouseInput mi)
		{
			if (w.Id == "CREATESERVER_CHECKBOX_ONLINE")
			{
				AdvertiseServerOnline = !AdvertiseServerOnline;
				return true;
			}
			
			return false;
		}
		
		public override bool OnMouseUp(Widget w, MouseInput mi)
		{
			if (w.Id == "MAINMENU_BUTTON_CREATE")
			{
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = false;
				Game.chrome.rootWidget.GetWidget("CREATESERVER_BG").Visible = true;
				return true;
			}
			
			if (w.Id == "CREATESERVER_BUTTON_CANCEL")
			{
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = true;
				Game.chrome.rootWidget.GetWidget("CREATESERVER_BG").Visible = false;
				return true;
			}
			
			if (w.Id == "CREATESERVER_BUTTON_START")
			{
				Game.chrome.rootWidget.GetWidget("CREATESERVER_BG").Visible = false;
				Log.Write("Creating server");
				
				Server.Server.ServerMain(AdvertiseServerOnline, Game.Settings.MasterServer, 
				                        Game.Settings.GameName, Game.Settings.ListenPort, 
										Game.Settings.ExternalPort, Game.Settings.InitialMods);
				
				Log.Write("Joining server");
				Game.JoinServer(IPAddress.Loopback.ToString(), Game.Settings.ListenPort);
				return true;
			}

			return false;
		}
	}
	
	public class ServerBrowserDelegate : WidgetDelegate
	{
		static GameServer[] GameList;
		static List<Widget> GameButtons = new List<Widget>();
		
		public override bool OnMouseUp(Widget w, MouseInput mi)
		{
			// Main Menu root
			if (w.Id == "MAINMENU_BUTTON_JOIN")
			{
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = false;
				Widget bg = Game.chrome.rootWidget.GetWidget("JOINSERVER_BG");
				bg.Visible = true;
				
				int height = 50;
				int width = 300;
				int i = 0;
				GameList = MasterServerQuery.GetGameList(Game.Settings.MasterServer).ToArray();

				bg.Children.RemoveAll(a => GameButtons.Contains(a));
				GameButtons.Clear();

				foreach (var game in GameList)
				{
					ButtonWidget b = new ButtonWidget();
					b.Bounds = new Rectangle(bg.Bounds.X + 20, bg.Bounds.Y + height, width, 25);	
					b.GetType().GetField("Id").SetValue( b, "JOIN_GAME_{0}".F(i));
					b.GetType().GetField("Text").SetValue( b, "{0} ({1})".F(game.Name, game.Address));
					b.GetType().GetField("Delegate").SetValue( b, "ServerBrowserDelegate");
				
					bg.AddChild(b);
					GameButtons.Add(b);
					
					height += 35;
				}
				
				return true;
			}
			
			if (w.Id == "JOINSERVER_BUTTON_DIRECTCONNECT")
			{
				Game.chrome.rootWidget.GetWidget("JOINSERVER_BG").Visible = false;
				Game.JoinServer(Game.Settings.NetworkHost, Game.Settings.NetworkPort);
				return true;
			}
			
			if (w.Id.Substring(0,10) == "JOIN_GAME_")
			{
				Game.chrome.rootWidget.GetWidget("JOINSERVER_BG").Visible = false;
				int index = int.Parse(w.Id.Substring(10));
				var game = GameList[index];
				Game.JoinServer(game.Address.Split(':')[0], int.Parse(game.Address.Split(':')[1]));
				return true;
			}			
				
			if (w.Id == "JOINSERVER_BUTTON_CANCEL")
			{
				Game.chrome.rootWidget.GetWidget("JOINSERVER_BG").Visible = false;
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = true;
				return true;
			}
			
			return false;
		}
	}
	
	public class ConnectionDialogsDelegate : WidgetDelegate
	{	
		public override bool OnMouseUp(Widget w, MouseInput mi)
		{
			// Main Menu root
			if (w.Id == "CONNECTION_BUTTON_ABORT")
			{
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = true;
				Game.chrome.rootWidget.GetWidget("CONNECTING_BG").Visible = false;
				return true;
			}
			
			if (w.Id == "CONNECTION_BUTTON_CANCEL")
			{
				Game.chrome.rootWidget.GetWidget("MAINMENU_BG").Visible = true;
				Game.chrome.rootWidget.GetWidget("CONNECTION_FAILED_BG").Visible = false;
				return true;
			}
			
			if (w.Id == "CONNECTION_BUTTON_RETRY")
			{
				Game.JoinServer(Game.CurrentHost,Game.CurrentPort);
				return true;
			}
			return false;
		}
	}
	
}