using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;

namespace OozyBuild
{
	public class SlnProject : Project
	{
		static readonly string Extension = ".sln";
		//static string IncredibuildExe = Environment.ExpandEnvironmentVariables(@"%ProgramFiles(x86)%\Incredibuild\BuildConsole.exe");
		Solution.Sln sln = null;
		CustomSettings defaultSettings;
		bool setInitialSettings = false;
		Dictionary<string, string> realConfigurationNames = new Dictionary<string, string>();

		public SlnProject()
		{
//			useDefaultScript = false;

			PropertyChanged += ( s, e ) =>
			{
				if( e.PropertyName == "projectFileName" )
				{
					sln = null;
					Init();
				}
			};
		}

		string platformsEnum = "Platforms";
		string configsEnum = "Configurations";

		public override void Init()
		{
			if( sln == null )
			{
				Dictionary<string, bool> platforms = new Dictionary<string, bool>();
				Dictionary<string, bool> configs = new Dictionary<string, bool>();
				int val;
				sln = new Solution.Sln();
				sln.Load( projectFileName, false );
				string guid = Regex.Replace( Util.StringToGUID( projectFileName.ToLower() ).ToString(), @"[-]", "" );
				string nameSpace = Path.GetFileNameWithoutExtension(projectFileName).ToLower() + "_" + guid;

				VisualStudioInfo ver = VisualStudio.GetAppropriateVersion( sln.visualStudioVersion );
				if(ver != null && string.IsNullOrEmpty( visualStudioVersionName ))
				{
					visualStudioVersion = ver;
					visualStudioVersionName = ver.name;
				}


				ClassBuilder classBuilder = new ClassBuilder( nameSpace + "." + Path.GetFileNameWithoutExtension( projectFileName ) + "_BuildSettings", typeof( CustomSettings ) );
				foreach( var config in sln.mConfigurations )
				{
					string[] pc = config.Key.Split( '|' );
					platforms[pc[1]] = true;
					configs[pc[0]] = true;
				}

				platformsEnum = Path.GetFileNameWithoutExtension( projectFileName ).ToLower() + "_" + guid + "_" + platformsEnum;
				configsEnum = Path.GetFileNameWithoutExtension( projectFileName ).ToLower() + "_" + guid + "_" + configsEnum;

//				classBuilder.AddProperty( "subsln", typeof( SlnProject ) );
				//Add platforms
				{
					EnumBuilder projectEnum = classBuilder.AddEnum( platformsEnum );
					projectEnum.Add( "None" );
					val = 0;
					foreach( var p in platforms )
					{
						string name = p.Key.Replace( " ", "" );
						projectEnum.Add( name, 1<<val++ );
					}
//					classBuilder.AddProperty( "platforms", projectEnum.eb );
					classBuilder.AddProperty("platforms", projectEnum.Create() );
				}

				//Add configurations
				{
					EnumBuilder configEnum = classBuilder.AddEnum( configsEnum );
					configEnum.Add( "None" );
					val = 0;
					foreach( var c in configs )
					{
						string name = c.Key.Replace( " ", "" );
						realConfigurationNames[name] = c.Key;
						configEnum.Add( name, 1<<val++ );
					}
//					classBuilder.AddProperty( "configurations", configEnum.eb );
					classBuilder.AddProperty( "configurations", configEnum.Create() );
				}

				if( File.Exists(IncredibuildExe) )
				{
					classBuilder.AddProperty("Incredibuild", typeof(bool), FieldAttributes.Public);
				}

				defaultSettings = classBuilder.Create() as CustomSettings;
#if false
				if( projectFileName != @"Z:\343\MCC\Main\Reach\shared\engine\source\omaha\Reach.sln" )
				{
					SlnProject sub = new SlnProject();
					sub.b.poo = 69;
					sub.b.shit = "69";

					sub.projectFileName = @"Z:\343\MCC\Main\Reach\shared\engine\source\omaha\Reach.sln";
//					sub.customSettings = sub.defaultSettings;
//					sub.setInitialSettings = true;
					defaultSettings["subsln"] = sub;
					defaultSettings["wank"] = new WankBiscuit();
					(defaultSettings["wank"] as WankBiscuit).poo = 88;
					(defaultSettings["wank"] as WankBiscuit).shit = "88";
				}
#endif
				customSettings = defaultSettings;

				assembly = new ProjectAssembly();
				assembly.assembly = classBuilder.GetAssembly();
//				Type[] types= assembly.assembly.GetTypes();
//				foreach( Type t in types )
//				{
//				}
			}
		}

		public override void OnSelected( /*MainWindow main*/ )
		{
		}

		public override bool GeneratePackageBuild( Builder builder, BuildParams buildParams)//bool rebuild, bool building, BuildTypeFlags flags, OozyBuild.VisualStudioInfo info )
		{
			if( sln != null )
			{
				bool useIncredibuild = (bool?)customSettings["Incredibuild"] ?? false;

				Enum pe = customSettings["platforms"] as Enum;
				if( pe != null )
				{
					string devenvOption;
					if( buildParams.rebuild )
					{
						devenvOption = "/ReBuild";
					}
					else
					{
						devenvOption = "/Build";
					}
					foreach( var p in pe.GetFlags() )
					{
						string platform = p.ToString();
						Enum ce = customSettings["configurations"] as Enum;
						foreach( var c in ce.GetFlags() )
						{
							string config = c.ToString();
							if( realConfigurationNames.TryGetValue( config, out config ) )
							{
								//handle sln projects?
								//								builder.AddBuild( enginePath, info.devenv, projectFileName + " " + devenvOption + " \"" + config + "|" + platform + "\" /Project " + project.name ).displayName = platform + " " + configuration + " " + model.ToString() + " code";

								if( useIncredibuild )
								{
									builder.AddBuild(enginePath, IncredibuildExe, projectFileName + " " + devenvOption + " /cfg=\"" + config + "|" + platform + "\"").displayName = platform + " " + config + " code"; ;
								}
								else
								{
									builder.AddBuild(enginePath, buildParams.info.devenv, projectFileName + " " + devenvOption + " \"" + config + "|" + platform + "\" ").displayName = platform + " " + config + " code";
								}
							}
						}
					}
				}
//				SlnProject sub = customSettings["subsln"] as SlnProject;
//				if( sub != null )
//				{
//					sub.GeneratePackageBuild( builder, rebuild, building, info );
//				}
			}
			return true;
		}
	}
}