WIP on Config Handling

Core/Configurations/SmartConfiguration/JsonConfigurationSection.cs

@@ -0,0 +1,80 @@
+using Newtonsoft.Json.Linq;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Primitives;
+
+namespace Core.Configurations.SmartConfiguration
+{
+	public class JsonConfigurationSection : IConfigurationSection
+	{
+		private readonly JObject _data;
+		private readonly string _path;
+		private readonly string _normalizedPath;
+
+		public JsonConfigurationSection(JObject data, string path)
+		{
+			_data = data ?? throw new ArgumentNullException(nameof(data));
+			_path = path ?? throw new ArgumentNullException(nameof(path));
+			_normalizedPath = NormalizePath(_path);
+		}
+
+		public string this[string key]
+		{
+			get
+			{
+				if (string.IsNullOrEmpty(key))
+					throw new ArgumentNullException(nameof(key));
+
+				var token = _data.SelectToken($"{_normalizedPath}.{NormalizePath(key)}");
+				return token?.ToString();
+			}
+			set => throw new NotImplementedException("Setting values is not supported.");
+		}
+
+		public string Key => _path.Split(':').Last();
+		public string Path => _path;
+
+		public string Value
+		{
+			get
+			{
+				var token = _data.SelectToken(_normalizedPath);
+				return token?.ToString();
+			}
+			set => throw new NotImplementedException("Setting values is not supported.");
+		}
+
+		public IConfigurationSection GetSection(string key)
+		{
+			if (string.IsNullOrEmpty(key))
+				throw new ArgumentNullException(nameof(key));
+
+			return new JsonConfigurationSection(_data, string.IsNullOrEmpty(_path) ? key : $"{_path}:{key}");
+		}
+
+		public JToken GetToken() => _data.SelectToken(_normalizedPath);
+
+		public IEnumerable<IConfigurationSection> GetChildren()
+		{
+			var token = _data.SelectToken(_normalizedPath);
+			if (token is JObject obj)
+			{
+				return obj.Properties()
+					.Select(p => new JsonConfigurationSection(_data, string.IsNullOrEmpty(_path) ? p.Name : $"{_path}:{p.Name}"));
+			}
+			return Enumerable.Empty<IConfigurationSection>();
+		}
+
+		public T Get<T>() where T : class
+		{
+			var token = _data.SelectToken(_normalizedPath);
+			return token?.ToObject<T>();
+		}
+
+		public IChangeToken GetReloadToken() => new ConfigurationReloadToken();
+
+		private static string NormalizePath(string path)
+		{
+			return path?.Replace(":", ".", StringComparison.Ordinal) ?? string.Empty;
+		}
+	}
+}