//
//  Class:			VisitId
//	Current CLR:	4.0.30319.34209
//	System:			Microsoft Visual Studio 10.0
//	Author:			dani
// 	Created:		8/12/2015 8:27:03 AM
//
//	Copyright (c) 2015 Informatikbüro Daniel Schick. All rights reserved.

using System;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

using log4net;

namespace bsmd.hisnord
{
    [Serializable]
    public class VisitId
    {
        private string _visitId = null;
        private static ILog _log = LogManager.GetLogger(typeof(bsmd.hisnord.VisitId));

        #region Construction

        public VisitId(string visitId) 
        {
            this._visitId = visitId;
        }

        public VisitId() { }
       
        #endregion

        #region Properties

        [XmlAttribute]
        public string ConveyanceCode { get; set; }

        [XmlText]
        public string Value { get; set; }

        /// <summary>
        /// Extract Guid aus ConveyanceCode
        /// </summary>
        public Guid? MessageCoreId
        {
            get
            {
                Guid? result = null;
                if (this.ConveyanceCode != null)
                {
                    int startIndex = this.ConveyanceCode.IndexOf('-');
                    if (startIndex > 0)
                    {
                        Guid tmpGuid;
                        if (Guid.TryParse(this.ConveyanceCode.Substring(startIndex + 1), out tmpGuid))
                            result = tmpGuid;
                        else if (Guid.TryParse(this.ConveyanceCode, out tmpGuid))
                            result = tmpGuid;
                    }
                }
                return result;
            }
        }
        #endregion

        #region Deserialization

        public static VisitId ReadVisitId(string filename)
        {
            VisitId aVisitId = null;
            try
            {
                XmlSerializer serializer = new XmlSerializer(typeof(bsmd.hisnord.VisitId));
                using (FileStream fs = new FileStream(filename, FileMode.Open))
                {
                    aVisitId = (VisitId)serializer.Deserialize(fs);
                }
            }
            catch (Exception ex)
            {
                _log.ErrorFormat("Exception occurred during deserialization: {0}", ex.Message);
                
            }
            return aVisitId;
        }

        #endregion

    }

}