// 
// Main.cs
//  
// Author:
//       Jonathan Pobst <monkey@jpobst.com>
// 
// Copyright (c) 2010 Jonathan Pobst
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using Gtk;
using Mono.Options;
using System.Collections.Generic;
using Pinta.Core;
using Mono.Unix;
using System.IO;
using System.Reflection;

namespace Pinta
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			string app_dir = Path.GetDirectoryName (Assembly.GetExecutingAssembly ().Location);
			string locale_dir;
			bool devel_mode = File.Exists (Path.Combine (Path.Combine (app_dir, ".."), "Pinta.sln"));
			
			if (SystemManager.GetOperatingSystem () != OS.X11 || devel_mode)
				locale_dir = Path.Combine (app_dir, "locale");
			else {
				// From MonoDevelop:
				// Pinta is located at $prefix/lib/pinta
				// adding "../.." should give us $prefix
				string prefix = Path.Combine (Path.Combine (app_dir, ".."), "..");
				//normalise it
				prefix = Path.GetFullPath (prefix);
				//catalog is installed to "$prefix/share/locale" by default
				locale_dir = Path.Combine (Path.Combine (prefix, "share"), "locale");
			}

			try {
				Catalog.Init ("pinta", locale_dir);
			} catch (Exception ex) {
				Console.WriteLine (ex);
			}

			int threads = -1;
			
			var p = new OptionSet () {
				{ "rt|render-threads=", Catalog.GetString ("number of threads to use for rendering"), (int v) => threads = v }
			};

			List<string> extra;
			
			try {
				extra = p.Parse (args);
			} catch (OptionException e) {
				Console.Write ("Pinta: ");
				Console.WriteLine (e.Message);
				return;
			}

			GLib.ExceptionManager.UnhandledException += new GLib.UnhandledExceptionHandler (ExceptionManager_UnhandledException);
			
			Application.Init ();
			MainWindow win = new MainWindow ();
			win.Show ();
			
			if (threads != -1)
				Pinta.Core.PintaCore.System.RenderThreads = threads;
				
			if (extra.Count > 0) {
				// Not sure what this does for Mac, so I'm not touching it
				if (PintaCore.System.OperatingSystem == OS.Mac) {
					string arg = args[0];

					if (args[0].StartsWith ("-psn_")) {
						if (args.Length > 1)
							arg = args[1];
						else
							arg = null;
					}
				
					if (!string.IsNullOrEmpty (arg)) {
						if (PintaCore.Workspace.OpenFile (arg))
							PintaCore.Workspace.ActiveDocument.HasFile = true;
					}
				} else {
					foreach (var file in extra)
						if (PintaCore.Workspace.OpenFile (file))
							PintaCore.Workspace.ActiveDocument.HasFile = true;
				}				
			} else {
				// Create a blank document
				PintaCore.Workspace.NewDocument (new Gdk.Size (800, 600), false);
			}
			
			Application.Run ();
		}

		private static void ExceptionManager_UnhandledException (GLib.UnhandledExceptionArgs args)
		{
			ErrorDialog errorDialog = new ErrorDialog (null);
			
			Exception ex = (Exception)args.ExceptionObject;
			
			try {
				errorDialog.Message = string.Format ("{0}:\n{1}", "Unhandled exception", ex.Message);
				errorDialog.AddDetails (ex.ToString (), false);
				errorDialog.Run ();
			} finally {
				errorDialog.Destroy ();
			}
		}
	}
}