using System;
using System.Diagnostics;
using System.IO;
using System.Security;
using System.Security.Permissions;

namespace SharpVectors.Renderers.Forms
{
	public class SvgApplicationContext
	{
		public static DirectoryInfo ExecutableDirectory
		{
			get
			{
				DirectoryInfo di;
				try
				{
					FileIOPermission f = new FileIOPermission(PermissionState.None);
					f.AllLocalFiles = FileIOPermissionAccess.Read;

					f.Assert();

					di = new FileInfo(System.Windows.Forms.Application.ExecutablePath).Directory;
				}
				catch(SecurityException)
				{
					di = new DirectoryInfo(Directory.GetCurrentDirectory());
				}
				return di;
			}
		}

		public static DirectoryInfo DocumentDirectory
		{
			get
			{
				return new DirectoryInfo(Directory.GetCurrentDirectory());
			}
		}

		public static Uri DocumentDirectoryUri
		{
			get
			{
                string sUri = DocumentDirectory.FullName + "/";
				sUri = "file://" + sUri.Replace("\\", "/");
				return new Uri(sUri);
			}
		}
	}
}