Govno

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

namespace KonachanViewer
{
	[Serializable]
	public class KonachanCollection
	{
		public ImageCollection Collection { get; }

		private const string Pattern = @"[Kk]onachan.com\s*-\s*(?<number>\d+)\s*-*\s*(?<tags>[\w .-]+)";

		public KonachanCollection(string path)
		{
			if (Directory.Exists(path))
			{
				Collection = new ImageCollection();
				var fileNames = Directory.GetFiles(path).Where(s => s.Contains("Konachan.com")).ToArray();
				var regex = new Regex(Pattern);
				foreach (var fileName in fileNames)
				{
					var match = regex.Match(fileName);
					var groups = match.Groups;
					var id = Int32.Parse(groups["number"].Value);
					var tags = groups["tags"].Value.Split(' ');
					Collection.Add(new Image(id, tags, fileName));
				}
			}
		}

		public static ImageCollection CreateCollection(string path)
		{
			var collection = new ImageCollection();
			if (!Directory.Exists(path)) throw new DirectoryNotFoundException("Не найдена папка с картинками)))");
			var fileNames = Directory.GetFiles(path).Where(s => s.Contains("Konachan.com")).ToArray();
			var regex = new Regex(Pattern);
			foreach (var fileName in fileNames)
			{
				var match = regex.Match(fileName);
				var groups = match.Groups;
				var id = Int32.Parse(groups["number"].Value);
				var tags = groups["tags"].Value.Split(' ');
				collection.Add(new Image(id, tags, fileName));
			}
			return collection;
		}

		public ImageCollection FindImages(params string[] tags)
		{
			return Collection.FindImages(tags);
		}

		public ImageCollection GetImages(int count)
		{
			var col = new ImageCollection();
			for (int i = 0; i <= count; i++)
			{
				col.Add(Collection[i]);
			}
			return col;
		}
	}
}