using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ease.CoreV35;
//using Ease.CoreV35.Model;
//using Ease.CoreV35.Caching;
//using System.Data.Linq.Mapping;
using System.Xml;
using System.Threading.Tasks;
using System.Data;
using HRM.BO;
using Ease.Core.Model;

namespace Payroll.BO
{
    #region Configaration

    [Serializable]
    public class Configaration : AuditTrailBase
    {
        //#region Cache Store

        //private static Cache _cache = new Cache(typeof(Payroll.BO.Configaration));

        //#endregion

        #region Constructor

        public Configaration()
        {
            _node = string.Empty;
            _value = string.Empty;
            _parentID = null;
            _type = EnumConfigurationType.None;
        }

        #endregion

        #region Properties

        #region Node : string

        private string _node;
        public string Node
        {
            get { return _node; }
            set
            {
               // base.OnPropertyChange<string>("Node", _node, value);
                _node = value;
            }
        }

        #endregion

        #region Value : string

        private string _value;
        public string Value
        {
            get { return _value; }
            set
            {
                _value = value;
            }
            //set
            //{
            //    base.OnPropertyChange<string>("Value", _value, value);
            //    _value = value;
            //}
        }

        #endregion

        #region ParentID : ID

        private int? _parentID;
        public int? ParentID
        {
            get { return _parentID; }
            set
            {
               // base.OnPropertyChange<int>("ParentID", _parentID, value);
                _parentID = value;
            }
        }

        #endregion

        #region Type : EnumConfigurationType

        private EnumConfigurationType _type;
        public EnumConfigurationType Type
        {
            get { return _type; }
            set
            {
               // base.OnPropertyChange<short>("Type", (short)_type, (short)value);
                _type = value;
            }
        }

        #endregion

        #region ConfigurationAttribute
        [Serializable]
        public class ConfigurationAttribute : ObjectTemplate
        {
            #region Constructor
            public ConfigurationAttribute()
            {
                _configurationID = null;
                _value = "";
                _attributeName = "";
            }
            public ConfigurationAttribute(int configurationID)
            {
                _configurationID = configurationID;
                _value = "";
                _attributeName = "";

            }
            #endregion


            #region Property ParentID : ID

            private int? _configurationID;
            public int? ConfigurationID
            {
                get { return _configurationID; }
                set
                {
                  //  base.OnPropertyChange<int>("configurationID", _configurationID, value);
                    _configurationID = value;
                }
            }

            #endregion

            #region AttributeName : string

            private string _attributeName;
            public string AttributeName
            {
                get { return _attributeName; }
                set
                {
                   // base.OnPropertyChange<string>("AttributeName", _attributeName, value);
                    _attributeName = value;
                }
            }

            #endregion

            #region Value : String

            private string _value;
            public string Value
            {
                get { return _value; }
                set
                {
                   // base.OnPropertyChange<string>("Value", _value, value);
                    _value = value;
                }
            }

            #endregion

            public new void SetID(int id)
            {
                base.SetID(id);
            }
        }

        #endregion

        #region ConfigurationAttributes
        [Serializable]
        public class ConfigurationAttributes : List<ConfigurationAttribute>
        {
            #region Constructor
            public ConfigurationAttributes()
            {

            }

            public ConfigurationAttribute GetItemByParentID(int configurationID)
            {
                return this.Find(delegate(ConfigurationAttribute item) { return item.ConfigurationID == configurationID; });
            }

            public void Add(int configurationId, string nodeName, string svalue)
            {
                ConfigurationAttribute att = new ConfigurationAttribute();
                att.Value = svalue;
                att.AttributeName = nodeName;
                // att.SetID(ID.FromInteger(this.Count + 1));
                att.SetID(this.Count + 1);
                this.Add(att);
            }
            public string GetAttributeValue(string attributeName)
            {
                foreach (ConfigurationAttribute oItem in this)
                {
                    if (oItem.AttributeName.ToLower() == attributeName.ToLower())
                    {
                        return oItem.Value == null ? "" : oItem.Value;
                    }
                }
                return "";
            }
            #endregion
        }

        #endregion

        #region Property ConfigurationAttributes : ConfigurationAttributes

        private ConfigurationAttributes _configurationAttributes;
        public ConfigurationAttributes ConAttributes
        {
            get
            {
                if (_configurationAttributes == null)
                    _configurationAttributes = new ConfigurationAttributes();

                return _configurationAttributes;
            }
        }

        #endregion

        #region Service Factory IConfigarationService : IConfigarationService

        internal static IConfigarationService Service
        {
            get { return Services.Factory.CreateService<IConfigarationService>(typeof(IConfigarationService)); }
        }

        #endregion

        #endregion

        #region Functions

        //public Configaration Get(ID nID)
        //{
        //    Configaration oConfigaration = null;
        //    //#region Cache Header
        //    //oConfigaration = (Configaration)_cache["Get", ID];
        //    //if (oConfigaration != null)
        //    //    return oConfigaration;
        //    //#endregion
        //    oConfigaration = Configaration.Service.Get(ID);
        //    //#region Cache Footer
        //    //_cache.Add(oConfigaration, "Get", ID);
        //    //#endregion
        //    return oConfigaration;
        //}
        //public ID Save()
        //{

        //    return Configaration.Service.Save(this);
        //}
        //public void Delete()
        //{
        //    Configaration.Service.Delete(ID);
        //}

        public Configaration Get(int id)
        {
            #region Cache Header

          //  Configaration configuration = _cache["Get", id] as Configaration;
            Configaration configuration = new Configaration();

            if (configuration != null)
                return configuration;

            #endregion

            try
            {
                configuration = Service.Get(id);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            //#region Cache Footer

            //_cache.Add(configuration, "Get", id);

            //#endregion

            return configuration;
        }
        public static List<Configaration> Get(EnumConfigurationType configType)
        {
            //#region Cache Header

            //List<Configaration> cofigurations = _cache["Get", configType] as List<Configaration>;
            //if (cofigurations != null)
            //    return cofigurations;

            //#endregion
            List<Configaration> cofigurations = new List<Configaration>();
            try
            {
                cofigurations = Service.Get(configType);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            //#region Cache Footer

            //_cache.Add(cofigurations, "Get", configType);

            //#endregion


            return cofigurations;
        }
        public void Save(List<Configaration> configurations, EnumConfigurationType confictype)
        {
            try
            {
                foreach (Configaration conf in configurations)
                {
                    conf.SetAuditTrailProperties();
                }
                DolowerCase(configurations);
                Service.Save(configurations, confictype);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }
        }
        private void DolowerCase(List<Configaration> configs)
        {
            foreach (Configaration item in configs)
            {
                item.Node = item.Node.ToLower();
                foreach (ConfigurationAttribute att in item.ConAttributes)
                {
                    att.AttributeName = att.AttributeName.ToLower();
                }
            }
        }
        public void Delete(int attributeID)
        {
            try
            {
                Service.Delete(attributeID);

                //Clear Cache
                //CacheInfo.ClearCache(typeof(Country).FullName);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }
        }

        #endregion
        public void SetObjectID(int id)
        {
            base.SetID(id);
        }
        public static List<ConfigurationAttribute> GetAttributesByParentID(int p)
        {
            //#region Cache Header

            //ObjectsTemplate<ConfigurationAttribute> cofigurations = _cache["GetAttributesByParentID", p] as ObjectsTemplate<ConfigurationAttribute>;
            //if (cofigurations != null)
            //    return cofigurations;

            //#endregion
            List<ConfigurationAttribute> cofigurations = new List<ConfigurationAttribute>();

            try
            {
                cofigurations = Service.GetAttributesByParentID(p);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            //#region Cache Footer

            //_cache.Add(cofigurations, "GetAttributesByParentID", p);

            //#endregion


            return cofigurations;
        }
        public static List<ConfigurationAttribute> GetAllChildren()
        {
            return Configaration.Service.GetAllChildren();
        }
    }
    #endregion

    #region IConfigaration Service

    public interface IConfigarationService
    {
        Configaration Get(int id);
        List<Configaration> Get(EnumConfigurationType confictype);
        List<Configaration.ConfigurationAttribute> GetAllChildren();
        //ObjectsTemplate<Configaration.ConfigurationAttribute> GetAllChildrens();
        List<Configaration.ConfigurationAttribute> GetAllChildrens(string sApplicationType);
        List<Configaration> GetAllParent(EnumConfigurationType type);
        List<Configaration> GetAllParent();
        void Save(List<Configaration> configurations, EnumConfigurationType confictype);
        void Delete(int id);
        List<Configaration.ConfigurationAttribute> GetAttributesByParentID(int p);
        List<Configaration.ConfigurationAttribute> GetAllChildrens();
    }

    #endregion
    public class ConfigurationManager
    {
        public ConfigurationManager()
        {
        }
        private static List<Configaration> _logicCofiguration;
        private static List<Configaration> _uiCofiguration;
        private static List<Configaration> _menuCofiguration;
        public List<Configaration> LogicConfiguration
        {
            get
            {
                return _logicCofiguration;
            }
        }
        public List<Configaration> UICofiguration
        {
            get
            {
                return _uiCofiguration;
            }
        }
        public List<Configaration.ConfigurationAttribute> GetAllChildren()
        {
            return Configaration.Service.GetAllChildren();
        }
        public List<Configaration.ConfigurationAttribute> GetAllChildrens()
        {
            return Configaration.Service.GetAllChildrens();
        }
        public List<Configaration.ConfigurationAttribute> GetAllChildrens(string sApplicationType)
        {
            return Configaration.Service.GetAllChildrens(sApplicationType);
        }
        public List<Configaration> GetAllParent(EnumConfigurationType type)
        {
            return Configaration.Service.GetAllParent(type);
        }
        public List<Configaration> GetAllParent()
        {
            return Configaration.Service.GetAllParent();
        }
        public List<Configaration> MenuCofiguration
        {
            get
            {
                return _menuCofiguration;
            }
        }
        public void SetStaticConfiguration(List<Configaration> configs, EnumConfigurationType type)
        {
            switch (type)
            {
                case EnumConfigurationType.UI:
                    _uiCofiguration = configs;
                    break;
                case EnumConfigurationType.Logic:
                    _logicCofiguration = configs;
                    break;
                case EnumConfigurationType.Menu:
                    _menuCofiguration = configs;
                    break;
                default:
                    break;
            }
        }
        public void LoadConfiguration()
        {

            List<Configaration> oAllParents = this.GetAllParent();
            List<Configaration.ConfigurationAttribute> oAllChilds = this.GetAllChildrens();
            List<Configaration> logicParents = new List<Configaration>();
            List<Configaration> uiParents = new List<Configaration>();
            List<Configaration> menuParents = new List<Configaration>();
            foreach (Configaration item in oAllParents)
            {
                if (item.Type == EnumConfigurationType.Logic)
                    logicParents.Add(item);
            }
            foreach (Configaration item in oAllParents)
            {
                if (item.Type == EnumConfigurationType.UI)
                    uiParents.Add(item);
            }
            foreach (Configaration item in oAllParents)
            {
                if (item.Type == EnumConfigurationType.Menu)
                    menuParents.Add(item);
            }

            foreach (Configaration item in logicParents)
            {
                List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
                foreach (Configaration.ConfigurationAttribute con in oChilds)
                    item.ConAttributes.Add(con);
            }
            foreach (Configaration item in uiParents)
            {
                List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
                foreach (Configaration.ConfigurationAttribute con in oChilds)
                    item.ConAttributes.Add(con);
            }
            foreach (Configaration item in menuParents)
            {
                List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
                foreach (Configaration.ConfigurationAttribute con in oChilds)
                    item.ConAttributes.Add(con);
            }
            _logicCofiguration = logicParents;
            _uiCofiguration = uiParents;
            _menuCofiguration = menuParents;
        }
        public void LoadConfiguration(string mesApplicationType = "web")
        {

            List<Configaration> oAllParents = this.GetAllParent(EnumConfigurationType.Menu);
            List<Configaration.ConfigurationAttribute> oAllChilds = this.GetAllChildrens(mesApplicationType);
            List<Configaration> logicParents = new List<Configaration>();
            List<Configaration> uiParents = new List<Configaration>();
            List<Configaration> menuParents = new List<Configaration>();
            foreach (Configaration item in oAllParents)
            {
                if (item.Type == EnumConfigurationType.Logic)
                    logicParents.Add(item);
            }
            foreach (Configaration item in oAllParents)
            {
                if (item.Type == EnumConfigurationType.UI)
                    uiParents.Add(item);
            }
            foreach (Configaration item in oAllParents)
            {
                if (item.Type == EnumConfigurationType.Menu)
                    menuParents.Add(item);
            }

            foreach (Configaration item in logicParents)
            {
                List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
                foreach (Configaration.ConfigurationAttribute con in oChilds)
                    item.ConAttributes.Add(con);
            }
            foreach (Configaration item in uiParents)
            {
                List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
                foreach (Configaration.ConfigurationAttribute con in oChilds)
                    item.ConAttributes.Add(con);
            }
            foreach (Configaration item in menuParents)
            {
                List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
                foreach (Configaration.ConfigurationAttribute con in oChilds)
                    item.ConAttributes.Add(con);
            }
            _logicCofiguration = logicParents;
            _uiCofiguration = uiParents;
            _menuCofiguration = menuParents;
        }
        //public async Task LoadConfigurationAsync(string mesApplicationType = "web")
        //{
        //    ObjectsTemplate<Configaration> logicParents = new ObjectsTemplate<Configaration>();
        //    ObjectsTemplate<Configaration> uiParents = new ObjectsTemplate<Configaration>();
        //    ObjectsTemplate<Configaration> menuParents = new ObjectsTemplate<Configaration>();

        //    Task<ObjectsTemplate<Configaration>> oAllParentsAsync = Task.Run(() => this.GetAllParent(EnumConfigurationType.Menu));
        //    Task<ObjectsTemplate<Configaration.ConfigurationAttribute>> oAllChildsAsync = Task.Run(() => this.GetAllChildrens(mesApplicationType));

        //    List<Configaration> oAllParents = await oAllParentsAsync;
        //    foreach (Configaration item in oAllParents)
        //    {
        //        if (item.Type == EnumConfigurationType.Logic)
        //            logicParents.Add(item);
        //    }
        //    foreach (Configaration item in oAllParents)
        //    {
        //        if (item.Type == EnumConfigurationType.UI)
        //            uiParents.Add(item);
        //    }
        //    foreach (Configaration item in oAllParents)
        //    {
        //        if (item.Type == EnumConfigurationType.Menu)
        //            menuParents.Add(item);
        //    }

        //    List<Configaration.ConfigurationAttribute> oAllChilds = await oAllChildsAsync;
        //    foreach (Configaration item in logicParents)
        //    {
        //        List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
        //        foreach (Configaration.ConfigurationAttribute con in oChilds)
        //            item.ConAttributes.Add(con);
        //    }
        //    foreach (Configaration item in uiParents)
        //    {
        //        List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
        //        foreach (Configaration.ConfigurationAttribute con in oChilds)
        //            item.ConAttributes.Add(con);
        //    }
        //    foreach (Configaration item in menuParents)
        //    {
        //        List<Configaration.ConfigurationAttribute> oChilds = oAllChilds.FindAll(delegate(Configaration.ConfigurationAttribute child) { return child.ConfigurationID == item.ID; });
        //        foreach (Configaration.ConfigurationAttribute con in oChilds)
        //            item.ConAttributes.Add(con);
        //    }

        //    await Task.WhenAll(oAllParentsAsync, oAllChildsAsync);
        //    _logicCofiguration = logicParents;
        //    _uiCofiguration = uiParents;
        //    _menuCofiguration = menuParents;
        //}
        //public void LoadConfiguration()
        //{
        //    _logicCofiguration = Configaration.Service.Get(EnumConfigurationType.Logic);
        //    _uiCofiguration = Configaration.Service.Get(EnumConfigurationType.UI);
        //    _menuCofiguration = Configaration.Service.Get(EnumConfigurationType.Menu);
        //}
        public static List<Configaration> LogicCofiguration
        {
            get
            {
                return _logicCofiguration;
            }
        }
        public static List<Configaration> UIConfiguration
        {
            get
            {
                return _uiCofiguration;
            }
        }
        private void GetChilds(List<Configaration> Source, List<Configaration> destination, Configaration parent)
        {
            IEnumerable<Configaration> Items = from Cnfgs in Source
                                               where Cnfgs.ParentID == parent.ID
                                               select Cnfgs;

            if (Items == null) return;
            foreach (var item in Items)
            {
                destination.Add(item);
                GetChilds(Source, destination, item);
            }
        }
        public List<Configaration> GetChilds(string NodeName, EnumConfigurationType type)
        {
            List<Configaration> destinations = new List<Configaration>();

            List<Configaration> SourceObject = getSource(type);
            Configaration fParent = null;
            if (SourceObject != null)
                fParent = SourceObject.Find(delegate(Configaration item) { return (item.Node == NodeName); });
            if (fParent != null) GetChilds(SourceObject, destinations, fParent);

            return destinations;
        }
        private List<Configaration> getSource(EnumConfigurationType type)
        {
            List<Configaration> SourceObject = null;
            switch (type)
            {
                case EnumConfigurationType.UI:
                    SourceObject = _uiCofiguration;
                    break;
                case EnumConfigurationType.Logic:
                    SourceObject = _logicCofiguration;
                    break;
                case EnumConfigurationType.Menu:
                    SourceObject = _menuCofiguration;
                    break;
                default:
                    throw new ServiceException("Invalid configuration type");
                    break;
            }
            return SourceObject;
        }
        public List<Configaration> GetChilds(int configid, EnumConfigurationType type)
        {
            List<Configaration> destinations = new List<Configaration>();
            List<Configaration> SourceObject = getSource(type);
            Configaration fParent = SourceObject.Find(delegate(Configaration item) { return (item.ID == configid); });
            if (fParent != null) GetChilds(SourceObject, destinations, fParent);

            return destinations;
        }
        public List<Configaration> GetChilds(List<Configaration> sourceObject, string NodeName)
        {
            List<Configaration> destinations = new List<Configaration>();

            Configaration fParent = sourceObject.Find(delegate(Configaration item) { return (item.Node == NodeName); });
            if (fParent != null) GetChilds(sourceObject, destinations, fParent);

            return destinations;
        }
        public Configaration GetItem(List<Configaration> sourceObject, string NodeName)
        {
            Configaration fParent = sourceObject.Find(delegate(Configaration item) { return (item.Node == NodeName); });
            return fParent;
        }
        /// <summary>
        /// if parent and child node not found in the configuration, it will return 
        /// empty string, because to setup default configuration
        /// </summary>
        /// <param name="parentNodeName"></param>
        /// <param name="childNodeName"></param>
        /// <param name="type"></param>
        /// <returns></returns>
        private static string getValue(string parentNodeName, string childNodeName, EnumConfigurationType type)
        {
            ConfigurationManager manager = new ConfigurationManager();
            List<Configaration> parent = manager.GetChilds(parentNodeName, type);
            if (parent == null) return "";//throw new ServiceException("parent-Tag-Name not found in the logic configuration");
            Configaration child = manager.GetItem(parent, childNodeName);
            if (child == null) return "";//throw new ServiceException("child-node-name not found in the logic collection");
            return child.Value;
        }
        /// <summary>
        /// If system does not find the value, it will return '0'.
        /// if configuration contain other than integer value value, it will return zero        /// 
        /// </summary>
        /// <param name="parentNodeName"> parent node name</param>
        /// <param name="childNodeName"> child node name of the parent</param>
        /// <param name="type"> logic or UI configuration </param>
        /// <returns>boolian value</returns>
        public static int GetIntValue(string parentNodeName, string childNodeName, EnumConfigurationType type)
        {
            int intvalue = 0;
            try
            {
                string stringvalue = ConfigurationManager.getValue(parentNodeName, childNodeName, type);
                if (int.TryParse(stringvalue, out intvalue))
                    return intvalue;
                else return 0;
                //throw new ServiceException("Value in the "
                //    + "logic-Configuration; Node:Root, Child-Node:RoundOfDegit, Value:" + stringvalue +" is not Integer");
            }
            catch (Exception ex)
            {
                throw new ServiceException(ex.InnerException.Message);
            }

        }
        public static Configaration Get(string parentNodeName, string childNodeName, EnumConfigurationType type)
        {
            ConfigurationManager manager = new ConfigurationManager();
            List<Configaration> parent = manager.GetChilds(parentNodeName, type);
            if (parent == null) return null;
            Configaration child = manager.GetItem(parent, childNodeName);
            if (child == null) return null;
            return child;
        }
        public static int GetAttributeIntValue(string parentNodeName, string childNodeName, string AttributeName, EnumConfigurationType type)
        {
            int intvalue = 0;
            try
            {
                Configaration oTag = ConfigurationManager.Get(parentNodeName, childNodeName, type);
                if (oTag == null) return 0;
                string stringvalue = oTag.ConAttributes.GetAttributeValue(AttributeName);
                if (stringvalue == "") return 0;

                if (int.TryParse(stringvalue, out intvalue))
                    return intvalue;
                else return 0;

            }
            catch (Exception ex)
            {
                throw new ServiceException(ex.InnerException.Message);
            }
        }
        public static string GetAttributeStringValue(string parentNodeName, string childNodeName, string AttributeName, EnumConfigurationType type)
        {
            try
            {
                Configaration oTag = ConfigurationManager.Get(parentNodeName, childNodeName, type);
                if (oTag == null) return "";
                return oTag.ConAttributes.GetAttributeValue(AttributeName);
            }
            catch (Exception ex)
            {
                throw new ServiceException(ex.InnerException.Message);
            }
        }
        public static string GetStringValue(string parentNodeName, string childNodeName, EnumConfigurationType type)
        {
            try
            {
                string stringvalue = ConfigurationManager.getValue(parentNodeName, childNodeName, type);
                return stringvalue;
            }
            catch (Exception ex)
            {
                throw new ServiceException(ex.InnerException.Message);
            }

        }
        /// <summary>
        /// If system does not find the value, it will return false.
        /// if configuration contain other than 'YES' value, it will return false
        /// </summary>
        /// <param name="parentNodeName"> parent node name</param>
        /// <param name="childNodeName"> child node name of the parent</param>
        /// <param name="type"> logic or UI configuration </param>
        /// <returns>boolian value</returns>
        public static bool GetBoolValue(string parentNodeName, string childNodeName, EnumConfigurationType type)
        {
            try
            {
                string stringvalue = ConfigurationManager.getValue(parentNodeName, childNodeName, type);
                if (stringvalue.ToUpper() == "YES" || stringvalue.ToUpper() == "NO")
                    return ((stringvalue.ToUpper() == "YES") ? true : false);
                else return false;
                //throw new ServiceException("Value in the "
                //    + "logic-Configuration; Node:Root, Child-Node:RoundOfDegit, Value:" + stringvalue + " is not Integer");
            }
            catch (Exception ex)
            {
                throw new ServiceException(ex.InnerException.Message);
            }

        }
        /// <summary>
        /// If system does not find the value, it will return min value of dateTime(DateTime.minvalue).
        /// if configuration value not dateTime format, it will also return min value of dateTime(DateTime.minvalue).
        /// </summary>
        /// <param name="parentNodeName"> parent node name</param>
        /// <param name="childNodeName"> child node name of the parent</param>
        /// <param name="type"> logic or UI configuration </param>
        /// <returns>DateTime value</returns>
        public static DateTime GetDateTimeValue(string parentNodeName, string childNodeName, EnumConfigurationType type)
        {
            try
            {
                DateTime dateValue = DateTime.MinValue;
                string stringvalue = ConfigurationManager.getValue(parentNodeName, childNodeName, type);
                if (DateTime.TryParse(stringvalue, out dateValue))
                    return dateValue;
                else return dateValue;
                //throw new ServiceException("Value in the "
                //    + "logic-Configuration; Node:Root, Child-Node:RoundOfDegit, Value:" + stringvalue + " is not Integer");
            }
            catch (Exception ex)
            {
                throw new ServiceException(ex.InnerException.Message);
            }

        }

        #region Read configuration from XMLFile to Object
        public List<Configaration> LoadXMLtoObject(EnumConfigurationType type, string fileName)
        {
            XmlDocument xmlDoc = new XmlDocument();
            //Load the file into the XmlDocument
            List<Configaration> configs = new List<Configaration>();
            xmlDoc.Load(fileName);

            //Find the root nede, and add it togather with its childeren
            XmlNode xnod = xmlDoc.DocumentElement;
            // Add Parent node in Collection   
            Configaration parent = AddToColl(configs, xnod, null, type);

            ReadFromXML(configs, xnod, parent, type);

            return configs;
        }
        //public ObjectsTemplate<Configaration> LoadXMLtoObject(EnumConfigurationType type)
        //{
        //    XmlDocument xmlDoc = new XmlDocument();
        //    //Load the file into the XmlDocument
        //    ObjectsTemplate<Configaration> configs = new ObjectsTemplate<Configaration>();
        //    switch (type)
        //    {
        //        case EnumConfigurationType.Logic:
        //            xmlDoc.Load("LogicConfiguration.xml");
        //            break;
        //        case EnumConfigurationType.UI:
        //            xmlDoc.Load("UIConfiguration.xml");
        //            break;
        //        case EnumConfigurationType.Menu:
        //            xmlDoc.Load("Menu.xml");
        //            break;
        //    }
        //    //Find the root nede, and add it togather with its childeren
        //    XmlNode xnod = xmlDoc.DocumentElement;
        //    // Add Parent node in Collection   
        //    Configaration parent = AddToColl(configs, xnod, null, type);

        //    ReadFromXML(configs, xnod, parent, type);
        //    return configs;
        //}
        private void ReadFromXML(List<Configaration> configs, XmlNode xnod, Configaration parent, EnumConfigurationType type)
        {
            XmlNode xnodWorking;
            //For an element node, retrieve the attributes
            if (xnod.NodeType == XmlNodeType.Element)
            {
                XmlNamedNodeMap mapAttributes = xnod.Attributes;
                if (xnod.HasChildNodes)
                {
                    xnodWorking = xnod.FirstChild;
                    while (xnodWorking != null)
                    {
                        if (xnodWorking.NodeType == XmlNodeType.Element)
                        {
                            Configaration oparent = AddToColl(configs, xnodWorking, parent.ID, type);
                            //Add the attributes to the ListBox
                            foreach (XmlAttribute xnodAttribute in xnodWorking.Attributes)
                                oparent.ConAttributes.Add(oparent.ID, xnodAttribute.Name, xnodAttribute.Value);
                            //If there are any child node, call this procedure recursively
                            ReadFromXML(configs, xnodWorking, oparent, type);
                        }
                        xnodWorking = xnodWorking.NextSibling;
                    }
                }
            }
        }
        private Configaration AddToColl(List<Configaration> configs, XmlNode node, int? parentID, EnumConfigurationType type)
        {
            Payroll.BO.Configaration oConfig = new Payroll.BO.Configaration();
            oConfig.Node = node.Name;
            //
            if (parentID == null)
                oConfig.Value = "";
            else if (node.ChildNodes.Count != 1 || (node.ChildNodes.Count == 1 && node.ChildNodes[0].ChildNodes.Count != 0))
            {
                oConfig.Value = "";
            }
            else
                oConfig.Value = node.InnerText;
            oConfig.ParentID = parentID;
            oConfig.Type = type;

            //oConfig.SetObjectID(ID.FromInteger(configs.Count + 1));
            oConfig.SetObjectID(configs.Count + 1);
            configs.Add(oConfig);
            return oConfig;
        }
        #endregion Read configuration from Object to XMLFile

        #region Write configuration from object to XMLFile

        public static void WriteXML(string path, EnumConfigurationType type)
        {
            List<Configaration> configs;
            if (type == EnumConfigurationType.Logic)
                configs = _logicCofiguration;
            else if (type == EnumConfigurationType.UI)
                configs = _uiCofiguration;
            else configs = _menuCofiguration;

            if (configs == null || configs.Count == 0)
                throw new ServiceException("Source is empty");

            //XmlTextWriter tw = new XmlTextWriter("C:\\testXml.xml", System.Text.Encoding.UTF8);
            //tw.Flush();   
            //tw.Formatting = Formatting.Indented;   
            //tw.WriteStartDocument();
            //tw.WriteStartElement(configs[0].Node);
            //ConfigurationManager.WriteXML(tw, configs, configs[0].ID);
            //tw.WriteEndElement();
            //tw.WriteEndDocument();
            XmlDocument xdoc = new XmlDocument();
            XmlElement root = xdoc.CreateElement(configs[0].Node);
            xdoc.AppendChild(root);
            WriteXML(root, xdoc, configs, configs[0].ID);
            xdoc.Save(path);
        }
        //private static void WriteXML(XmlTextWriter tw, ObjectsTemplate<Configaration> configs, ID NodeId)
        //{
        //    List<Configaration> childs =  configs.FindAll((delegate(Configaration item) {return item.ParentID == NodeId;}));
        //    if (childs !=null || childs.Count> 0)
        //    {
        //        foreach(Configaration con in childs)
        //        {
        //            tw.WriteStartElement( 
        //            if (con.Value == "" || con.Value == String.Empty) tw.WriteStartElement(con.Node);
        //            else tw.WriteElementString(con.Node, con.Value);
        //            foreach(Configaration.ConfigurationAttribute att in con.ConAttributes)
        //            {
        //                tw.WriteStartAttribute(att.AttributeName, att.Value);
        //            }
        //            WriteXML(tw, configs, con.ID);
        //            if (con.Value == "" || con.Value == String.Empty) tw.WriteEndElement();
        //        }
        //    }
        //}
        private static void WriteXML(XmlElement element, XmlDocument xdoc, List<Configaration> configs, int NodeId)
        {
            List<Configaration> childs = configs.FindAll((delegate(Configaration item) { return item.ParentID == NodeId; }));
            if (childs != null || childs.Count > 0)
            {
                foreach (Configaration con in childs)
                {
                    XmlElement chilenode = xdoc.CreateElement(con.Node);
                    chilenode.InnerText = con.Value;

                    foreach (Configaration.ConfigurationAttribute att in con.ConAttributes)
                    {
                        chilenode.SetAttribute(att.AttributeName, att.Value);
                    }
                    element.AppendChild(chilenode);
                    WriteXML(chilenode, xdoc, configs, con.ID);
                }
            }
        }
        #endregion Write configuration from object to XMLFile
    }
}