using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Configuration;
using System.Reflection;

namespace Volian.Base.Library
{
	public static class VlnSettings
	{
		// This is used to toggle the colored text during the Data Conversion
		// and will set the font and background in PROMS 2010 for Demo/Release mode (white background black text)
		// or for Debug mode (shaded background, and color text on PDF output
		// For PROMS 2010, this is set via the App.config setting:
		//   <appSettings>
		//		<add key ="OperatingMode" value ="Debug"|"Demo"|"Production"/>
		// For DataLoader, this is set via the Debug checkbox on the form.
		private static bool WasLoaded = false;
		private static bool _DebugPagination = false;
		public static bool DebugPagination
		{
			get { return VlnSettings._DebugPagination; }
			set { VlnSettings._DebugPagination = value; }
		}
		private static bool _DebugText = false;
		public static bool DebugText
		{
			get { return VlnSettings._DebugText; }
			set { VlnSettings._DebugText = value; }
		}
		private static bool _DebugMode = false;
		public static bool DebugMode
		{
			get
			{
				if (!WasLoaded) LoadOperatingMode();
				return _DebugMode;
			}
			set { _DebugMode = value; }
		}
		private static bool _DemoMode = false;
		public static bool DemoMode
		{
			get
			{
				if (!WasLoaded) LoadOperatingMode();
				return _DemoMode;
			}
			set { _DemoMode = value; }
		}
		private static bool _ProductionMode = true;   // default to OperatingMode to production
		public static bool ProductionMode
		{
			get
			{
				if (!WasLoaded) LoadOperatingMode();
				return _ProductionMode;
			}
			set { _ProductionMode = value; }
		}
		private static bool _OriginalPageBreak = false;   // default to not using 16bit pagebreaks
		public static bool OriginalPageBreak
		{
			get
			{
				if (!WasLoaded) LoadOperatingMode();
				return _OriginalPageBreak;
			}
			set { _OriginalPageBreak = value; }
		}
		private static bool _ComparePROMStoPROMSPDF = false; // default to compare 16-bit generated PDFs
		public static bool ComparePROMStoPROMSPDF
		{
			get 
			{ 
				if (!WasLoaded) LoadOperatingMode();
				return _ComparePROMStoPROMSPDF; 
			}
			set { _ComparePROMStoPROMSPDF = value; }
		}
		public static string GetDB()
		{
			string str = GetCommand("DB", null);
			if (str == null) return null;
			if(str.Contains( ":"))
			{
				string[] parts = str.Split(":".ToCharArray());
				if (parts.Length > 1) return parts[1];
			}
			return str;
		}
		public static string GetServer()
		{
			string str = GetCommand("DB", null);
			if (str != null && str.Contains(":"))
			{
				string[] parts = str.Split(":".ToCharArray());
				return parts[0].Replace("._",".\\");
			}
			return GetCommand("Server",null);
		}
		public static string GetItemIDs()
		{
			string str = GetCommand("DB", null);
			if (str != null && str.Contains(":"))
			{
				string[] parts = str.Split(":".ToCharArray());
				if(parts.Length > 2) return parts[2];
			}
			return GetCommand("ItemIDs", "");
		}
		public static string GetCommand(string commandName, string def)
		{
			string[] parameters = System.Environment.CommandLine.Split(" ".ToCharArray());
			foreach (string parameter in parameters)
			{
				if (parameter.ToUpper().StartsWith("/" + commandName.ToUpper() + "="))
				{
					return parameter.Substring(commandName.Length + 2);
				}
			}
			return def;
		}
		public static float GetCommandFloat(string commandName, float def)
		{
			string[] parameters = System.Environment.CommandLine.Split(" ".ToCharArray());
			foreach (string parameter in parameters)
			{
				if (parameter.ToUpper().StartsWith("/" + commandName.ToUpper() + "="))
				{
					float result = def;
					if (float.TryParse(parameter.Substring(commandName.Length + 2), out result))
						return result;
					else
						return def;
				}
			}
			return def;
		}
		public static bool GetCommandFlag(string commandName)
		{
			string[] parameters = System.Environment.CommandLine.Split(" ".ToCharArray());
			foreach (string parameter in parameters)
			{
				if (parameter.ToUpper().Equals("/" + commandName.ToUpper()))
					return true;
			}
			return false;
		}
		private static void LoadOperatingMode()
		{
			string opMode = ConfigurationManager.AppSettings["OperatingMode"];
			opMode = GetCommand("MODE",opMode);
			if (opMode != null && opMode != "")
			{
				_DebugMode = opMode.ToUpper() == "DEBUG";
				_DemoMode = opMode.ToUpper() == "DEMO";
				_ProductionMode = opMode.ToUpper() == "PRODUCTION";
				_ComparePROMStoPROMSPDF = _DebugMode;
			}
			string pageBreak = ConfigurationManager.AppSettings["OriginalPageBreak"];
			if (pageBreak != null && pageBreak != "")
			{
				_OriginalPageBreak = pageBreak.ToUpper() == "TRUE";
			}
			WasLoaded = true;
		}
		private static string _TemporaryFolder = null;
		public static string TemporaryFolder
		{
			get
			{
				if (_TemporaryFolder == null)
				{
					// This will create a Temp\VE-PROMS folder in the LocalSettings Folder.
					//XP - C:\Documents and Settings\{user}\Local Settings\Application Data\Temp\VEPROMS
					//Vista - C:\Users\{user}\AppData\Local\Temp\VEPROMS
					_TemporaryFolder = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) + @"\Temp";
					if (!Directory.Exists(TemporaryFolder)) Directory.CreateDirectory(TemporaryFolder);
					_TemporaryFolder += @"\VEPROMS";
					if (!Directory.Exists(TemporaryFolder)) Directory.CreateDirectory(TemporaryFolder);
				}
				return _TemporaryFolder;
			}
		}
		private static string _UserID=Environment.UserName.ToUpper();
		public static string UserID
		{
			get { return VlnSettings._UserID; }
			set { VlnSettings._UserID = value; }
		}
		private static bool _StepTypeToolTip = false;
		public static bool StepTypeToolType
		{
			get { return VlnSettings._StepTypeToolTip; }
			set { VlnSettings._StepTypeToolTip = value; }
		}
		private static string _ReleaseMode = null;
		public static string ReleaseMode
		{
			get
			{
				if (_ReleaseMode == null)
				{
					string relType = "RELEASE"; // default to normal Release Mode setting
					// Get the type of release:
					// "Demo", "Westinghouse", "Release"
					object[] attributes = Assembly.GetEntryAssembly().GetCustomAttributes(typeof(AssemblyConfigurationAttribute), false);
					if (attributes.Length > 0)
						relType = ((AssemblyConfigurationAttribute)attributes[0]).Configuration.ToUpper();
					_ReleaseMode = relType;
				}
				return _ReleaseMode;
			}
		}
		private static string _EULAfile = null;
		public static string EULAfile
		{
			get {
				if (_EULAfile == null)
				{
					switch (ReleaseMode)
					{
						case "DEMO": // Demo CD/DVD release
							_EULAfile = "DemoEULA.txt";
							break;
						case "WESTINGHOUSE":
							_EULAfile = "WestinghouseEULA.txt";
							break;
						default:
							_EULAfile = "EULA.txt";
							break;
					}
				}
				return _EULAfile; 
			}
		}
	}
}