using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using NHibernate;
using NHibernate.Cfg;

namespace CCSTrace.CCS
{
    public class NHibertnateSession
    {
        public static NHibertnateSession Instance { get; } = new NHibertnateSession();

        private string _configurationPath = null;
        private ISessionFactory _sessionFactory = null;

        public string ConfigurationPath
        {
            get { return _configurationPath; }
            set { _configurationPath = value; }
        }

        public ISessionFactory SessionFactory
        {
            get { return _sessionFactory; }
            set { _sessionFactory = value; }
        }

        public NHibertnateSession()
        {
        }

        public NHibertnateSession(string configurationPath)
        {
            _configurationPath = configurationPath;
        }

        public void DefaultInitialize()
        {
            if (_configurationPath == null)
                _configurationPath = HttpContext.Current.Server.MapPath(@"~\DMMSNHibernate.cfg.xml");
            var configuration = new Configuration();
            if (_configurationPath != null)
                configuration.Configure(_configurationPath);
            configuration.SetProperty("connection.connection_string", GlobalVariable.ConnectionString);

            configuration.AddAssembly("CCSTrace");
            /*
            var mappingConfigurationFile = HttpContext.Current.Server.MapPath(@"~\TPower\DMMS\Model\ADDRCONTRAST.hbm.xml");
            configuration.AddFile(mappingConfigurationFile);
            */
            _sessionFactory = configuration.BuildSessionFactory();
        }


        public ISession OpenSession()
        {
            return _sessionFactory?.OpenSession();
        }
        public ISession OpenSession(IDbConnection connection)
        {
            return _sessionFactory?.OpenSession(connection);
        }
    }
}