using System;
using System.Configuration;
using System.IO;
using System.Xml;

namespace BeWo.ServiceUtils.Core
{
	public static class MergedConfig
	{
		public static string GetSetting(string key)
		{
			// 1. Versuche, aus AppSettings.local.config zu lesen
			var localConfigPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Web.Secrets.config");
			if (File.Exists(localConfigPath))
			{
				var xml = new XmlDocument();
				xml.Load(localConfigPath);
				var node = xml.SelectSingleNode($"/appSettings/add[@key='{key}']");
				if (node is XmlElement element)
					return element.GetAttribute("value");
			}

			// 2. Fallback: Standard-AppSettings
			return ConfigurationManager.AppSettings[key];
		}
	}
}