using Aitex.Common.Util;
using Aitex.Core.RT.Log;
using Aitex.Core.Util;
using MECF.Framework.Common.DataCenter;
using System;
using System.Collections.Generic;
using System.IO;
using System.Xml;

namespace Virgo_D.UI.Config
{
    class SystemConfigManager : Singleton<SystemConfigManager>
    {
        private XmlDocument _domLocal = new XmlDocument();
        private XmlDocument _domDefaultA = new XmlDocument();
        private XmlDocument _domDefaultB = new XmlDocument();
        public void Initialize()
        {
            try
            {
                string fileNameLocal = PathManager.GetCfgDir() + "\\SystemConfig.xml";
                if (File.Exists(fileNameLocal))
                {
                    _domLocal.Load(fileNameLocal);
                }

                string fileNameDefaultA = "";
                string fileNameDefaultB = "";


                fileNameDefaultB = PathManager.GetCfgDir() + "\\SystemConfigB.default.xml";
                if (!(bool)QueryDataClient.Instance.Service.GetConfig($"System.PMBIsInstalled"))
                {
                    fileNameDefaultB = PathManager.GetCfgDir() + "\\SystemConfigB_1PM.default.xml";
                }

                fileNameDefaultA = PathManager.GetCfgDir() + "\\SystemConfigA.default.xml";
                if (!(bool)QueryDataClient.Instance.Service.GetConfig($"System.PMBIsInstalled"))
                {
                    fileNameDefaultA = PathManager.GetCfgDir() + "\\SystemConfigA_1PM.default.xml";
                }

                if (File.Exists(fileNameDefaultA))
                {
                    _domDefaultA.Load(fileNameDefaultA);
                }

                if (File.Exists(fileNameDefaultB))
                {
                    _domDefaultB.Load(fileNameDefaultB);
                }

                if (!File.Exists(fileNameDefaultA) && !File.Exists(fileNameLocal))
                    throw new ApplicationException(string.Format("did not find the system config file {0} ", fileNameLocal));
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
                throw;
            }
        }

        public string GetUiLayoutXmlFile()
        {
            return GetValue("/SystemConfig/uiLayoutXmlFile");
        }

        public string GetTopviewLogoFile()
        {
            return GetValue("/SystemConfig/topViewLogoFile");
        }

        string GetValue(string path)
        {
            XmlElement node =
                _domLocal.SelectSingleNode(path) as XmlElement;

            if (node == null)
            {
                node =
                _domDefaultA.SelectSingleNode(path) as XmlElement;
            }

            if (node == null)
                return null;

            return node.GetAttribute("value");
        }

        //dbName, displayName, cnName, isPressureAxis
        // type = "A" or  "B"
        public List<Tuple<string, string, string, bool>> GetMonitorDataList(string type)
        {
            List<Tuple<string, string, string, bool>> lstResult = new List<Tuple<string, string, string, bool>>();

            XmlNodeList nodeList = _domLocal.SelectNodes("/SystemConfig/DataElements/DataElement");
            if (nodeList == null || nodeList.Count == 0)
            {
                if (type == "A")
                    nodeList = _domDefaultA.SelectNodes("/SystemConfig/DataElements/DataElement");
                else
                {
                    nodeList = _domDefaultB.SelectNodes("/SystemConfig/DataElements/DataElement");
                }
            }
            if (nodeList != null)
            {
                foreach (XmlElement dataXmlElement in nodeList)
                {
                    lstResult.Add(Tuple.Create(dataXmlElement.GetAttribute("dbName"),
                                            dataXmlElement.GetAttribute("displayName"),
                                            dataXmlElement.GetAttribute("cn"),
                                       !string.IsNullOrEmpty(dataXmlElement.GetAttribute("isPressureAxis")) && bool.Parse(dataXmlElement.GetAttribute("isPressureAxis"))));
                }
            }

            return lstResult;
        }
    }
}