// Configuration.cs created with MonoDevelop
// User: chadk at 12:51 PM 12/23/2007
//
// To change standard headers go to Edit->Preferences->Coding->Standard Headers
//

using System;
using System.IO;
using System.Text.RegularExpressions;

namespace Lunar
{

	public class Configuration
	{
		private const string LOCAL_CONFIGURATION_FILE = @"/etc/lunar/local/config";
		public const string DEFAULT_MOONBASE_LOCATION = @"/var/lib/lunar/moonbase";
		
		public Configuration()
		{
		}
		
		public static string MoonbaseLocation()
		{
			string strLocation = DEFAULT_MOONBASE_LOCATION;
			
			// Check for custom developer moonbase
			FileInfo customConfigFile = new FileInfo(LOCAL_CONFIGURATION_FILE);
			
			if (customConfigFile.Exists)
			{
				// Is there a "MOONBASE=" line in there?
				Regex search = new Regex(@"\s*MOONBASE\s*=\s*(.+)");
				
				MatchCollection matches = search.Matches(customConfigFile.OpenText().ReadToEnd());
				if (matches.Count > 0)
				{
					if (matches.Count > 1)
					{
						throw new FormatException(@"There is more than one MOONBASE listed in" + customConfigFile.FullName + ".  Please fix this.");
					}
					strLocation = matches[0].Groups[1].Value;
				}
			}			
			return strLocation;
		}
	}
}