using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace JJMediSys.cs
{
    public class ConfigFileReader
    {
        static XmlDocument xmlDocument = null;
        static string filepath = System.AppDomain.CurrentDomain.BaseDirectory + "\\JJMediSys.exe.config";
        public static string GetValue(string key)
        {
            if (xmlDocument == null)
                xmlDocument = new XmlDocument();
            xmlDocument.Load(filepath);
            XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDocument.NameTable);
            XmlNode xmlNode = xmlDocument.SelectSingleNode(key, nsmgr);
            XmlElement Xe = (XmlElement)xmlNode;
            return Xe.GetAttribute("value");
        }
        public static void SetValue(string appKey, string newValue)
        {
            if (xmlDocument == null)
                xmlDocument = new XmlDocument();
            xmlDocument.Load(filepath);
            XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDocument.NameTable);
            XmlNode xmlNode = xmlDocument.SelectSingleNode(appKey, nsmgr);
            XmlElement Xe = (XmlElement)xmlNode;
            Xe.SetAttribute("value", newValue);
            xmlDocument.Save(filepath);
        }


    }
}