#region Copyright & License Information
/*
 * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
 * This file is part of OpenRA, which is free software. It is made
 * available to you under the terms of the GNU General Public License
 * as published by the Free Software Foundation. For more information,
 * see COPYING.
 */
#endregion

using System.Net;
using OpenRA.Widgets;

namespace OpenRA.Mods.RA.Widgets.Logic
{
	public class MainMenuLogic
	{
		protected enum MenuType { Main, Extras, None }

		protected MenuType menuType = MenuType.Main;
		Widget rootMenu;

		[ObjectCreator.UseCtor]
		public MainMenuLogic(Widget widget, World world)
		{
			rootMenu = widget;
			rootMenu.Get<LabelWidget>("VERSION_LABEL").Text = Game.modData.Manifest.Mod.Version;

			// Menu buttons
			var mainMenu = widget.Get("MAIN_MENU");
			mainMenu.IsVisible = () => menuType == MenuType.Main;

			mainMenu.Get<ButtonWidget>("SINGLEPLAYER_BUTTON").OnClick = StartSkirmishGame;

			mainMenu.Get<ButtonWidget>("MULTIPLAYER_BUTTON").OnClick = () =>
			{
				menuType = MenuType.None;
				Ui.OpenWindow("SERVERBROWSER_PANEL", new WidgetArgs
				{
					{ "onStart", RemoveShellmapUI },
					{ "onExit", () => menuType = MenuType.Main }
				});
			};

			mainMenu.Get<ButtonWidget>("MODS_BUTTON").OnClick = () =>
			{
				menuType = MenuType.None;
				Ui.OpenWindow("MODS_PANEL", new WidgetArgs
				{
					{ "onExit", () => menuType = MenuType.Main },
					{ "onSwitch", RemoveShellmapUI }
				});
			};

			mainMenu.Get<ButtonWidget>("SETTINGS_BUTTON").OnClick = () =>
			{
				menuType = MenuType.None;
				Game.OpenWindow("SETTINGS_PANEL", new WidgetArgs
				{
					{ "onExit", () => menuType = MenuType.Main }
				});
			};

			mainMenu.Get<ButtonWidget>("EXTRAS_BUTTON").OnClick = () => menuType = MenuType.Extras;

			mainMenu.Get<ButtonWidget>("QUIT_BUTTON").OnClick = Game.Exit;

			// Extras menu
			var extrasMenu = widget.Get("EXTRAS_MENU");
			extrasMenu.IsVisible = () => menuType == MenuType.Extras;

			extrasMenu.Get<ButtonWidget>("REPLAYS_BUTTON").OnClick = () =>
			{
				menuType = MenuType.None;
				Ui.OpenWindow("REPLAYBROWSER_PANEL", new WidgetArgs
				{
					{ "onExit", () => menuType = MenuType.Extras },
					{ "onStart", RemoveShellmapUI }
				});
			};

			extrasMenu.Get<ButtonWidget>("MUSIC_BUTTON").OnClick = () =>
			{
				menuType = MenuType.None;
				Ui.OpenWindow("MUSIC_PANEL", new WidgetArgs
				{
					{ "onExit", () => menuType = MenuType.Extras },
				});
			};

			var assetBrowserButton = extrasMenu.GetOrNull<ButtonWidget>("ASSETBROWSER_BUTTON");
			if (assetBrowserButton != null)
				assetBrowserButton.OnClick = () =>
				{
					menuType = MenuType.None;
					Game.OpenWindow("ASSETBROWSER_PANEL", new WidgetArgs
					{
						{ "onExit", () => menuType = MenuType.Extras },
					});
				};

			extrasMenu.Get<ButtonWidget>("CREDITS_BUTTON").OnClick = () =>
			{
				menuType = MenuType.None;
				Ui.OpenWindow("CREDITS_PANEL", new WidgetArgs
				{
					{ "onExit", () => menuType = MenuType.Extras },
				});
			};

			extrasMenu.Get<ButtonWidget>("BACK_BUTTON").OnClick = () => menuType = MenuType.Main;
		}

		void RemoveShellmapUI()
		{
			rootMenu.Parent.RemoveChild(rootMenu);
		}

		void OpenSkirmishLobbyPanel()
		{
			menuType = MenuType.None;
			Game.OpenWindow("SERVER_LOBBY", new WidgetArgs
			{
				{ "onExit", () => { Game.Disconnect(); menuType = MenuType.Main; } },
				{ "onStart", RemoveShellmapUI },
				{ "skirmishMode", true }
			});
		}

		void StartSkirmishGame()
		{
			var map = WidgetUtils.ChooseInitialMap(Game.Settings.Server.Map);
			Game.Settings.Server.Map = map;
			Game.Settings.Save();

			ConnectionLogic.Connect(IPAddress.Loopback.ToString(),
				Game.CreateLocalServer(map),
				"",
				OpenSkirmishLobbyPanel,
				() => { Game.CloseServer(); menuType = MenuType.Main; });
		}
	}
}