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

namespace KMBIM.Revit.Tools.Utils
{
    public class SettingHelper
    {

        private static string a;


        private static string b;

        protected static Configuration _configuration;

        public static string FilePath
        {

            get
            {
                return a;
            }

            set
            {
                a = value;
            }
        }

        public static string RootElementName
        {

            get
            {
                return b;
            }

            set
            {
                b = value;
            }
        }

        public static Configuration Configuration = _configuration;

        static SettingHelper()
        {
            RootElementName = "configuration";
            _configuration = new Configuration();
        }

        public static bool Load(string filePath = "")
        {
            _configuration.Clear();
            if (!string.IsNullOrEmpty(filePath))
            {
                FilePath = filePath;
            }
            if (string.IsNullOrEmpty(FilePath) || !File.Exists(FilePath))
            {
                return false;
            }
            try
            {
                XmlDocument xmlDocument = new XmlDocument();
                xmlDocument.Load(FilePath);
                XmlNode xmlNode = xmlDocument[RootElementName];
                if (xmlNode != null)
                {
                    foreach (XmlNode childNode in xmlNode.ChildNodes)
                    {
                        _configuration[childNode.Name] = childNode.InnerText;
                    }
                    return true;
                }
                return false;
            }
            catch (Exception)
            {
                _configuration.Clear();
                return false;
            }
        }

        public static bool Save()
        {
            if (string.IsNullOrEmpty(FilePath))
            {
                return false;
            }
            try
            {
                XmlDocument xmlDocument = new XmlDocument();
                xmlDocument.LoadXml(string.Format("<?xml version=\"1.0\" encoding=\"utf-8\"?><{0}></{0}>", RootElementName));
                XmlNode xmlNode = xmlDocument[RootElementName];
                foreach (string key in _configuration.Keys)
                {
                    XmlNode xmlNode2 = xmlDocument.CreateNode(XmlNodeType.Element, key, null);
                    xmlNode2.InnerText = _configuration[key];
                    xmlNode.AppendChild(xmlNode2);
                }
                xmlDocument.Save(FilePath);
                return false;
            }
            catch (Exception)
            {
                _configuration.Clear();
                return false;
            }
        }
    }
}