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

using Automap;

using Hjg.Pngcs;
using Hjg.Pngcs.Chunks;

using ProtoBuf;
using Vintagestory.GameContent;

namespace ShardProcessor
{	
	public partial class MainClass
	{
		//private ILogger Logger { get; set; }
		const string chunkFile_filter = @"*_*.png";
		static Regex chunkShardRegex = new Regex(@"(?<X>[\d]+)_(?<Z>[\d]+)\.png", RegexOptions.Singleline);
		static string mapPath;
		internal const string _chunkPath = @"Chunks";
		internal const string _minimapTilesPath = @"Tiles";

		/* TODO:
			-Process existing PNGs: Report/Dump contents of Chunk Metadata, as per current version
			-Grayscale Heightmap extraction from P.Buf heightmap from shards
			-Extract contents of game's SQLLite map DB, INTO Automap type shards...
			-Other stuff? chunk fixing / validation?
		*/
		public static void Main(string[ ] args)
		{
		Console.WriteLine("AUTOMAP Offline Shard processor v0.1");
		//Called once - thus it can only be in a static constructor.
		PngChunk.FactoryRegister(PngMetadataChunk.ID, typeof(PngMetadataChunk));

		ArgsDecoder(args);

		}

		private static void ArgsDecoder(string[ ] args)
		{
		//#1 Path to maps '~/ApplicationData/vintagestory/Map/World_1234567890
		mapPath = args.Length > 1 ? args[1] : String.Empty;

		//#0 Command: Heightmaps (Generation from existing shard data)
		string command = args[0];


		switch (command) {
			
			case @"--heightmap":
				Process_ShardData( );
			break;

			case @"--shards":
				Scan_ShardData( );
			break;

			case @"--points":
				Scan_PointsData( );			
			break;

			case @"--oneshard":
				Scan_OneShard( );
			break;

			case @"--protoheader":
				Emit_ProtoHeader();
			break;

			case "--minidump":
				Dump_Minimap( );
			break;

		default:
			Console.WriteLine("Unrecognized Command: {0}", command);
			break;
		}

		

		}



	}
}