using System;
using System.Collections.Generic;
using System.Text;
using System.Data.SqlClient;
using System.Linq;
using System.Text.RegularExpressions;
namespace AnywhereTS.DBSupport
{
    public class SqlMdfConnector : DBConnector<SqlParameter, SqlCommand, SqlConnection, SqlDataAdapter>
    {        
        public SqlMdfConnector(string DBServerAddress, string DBServerInstance, string SqlMdf) : base(DBServerAddress, DBServerInstance, SqlMdf) { }

        public override void CreateConnection(out Exception ErrorInfo)
        {
            ErrorInfo = null;
            try
            {
                string connetionString = GetConnectionString(DBServerAddress, DBServerInstance, DBDatabase);
                using (log4net.NDC.Push(string.Format("connetionString={0}", connetionString)))
                {
                    Logging.DatabaseLog.Debug("Creating Connection");
                    connection = new SqlConnection();
                    connection.ConnectionString = connetionString;
                    Logging.DatabaseLog.Debug("Created Connection");
                }
            }
            //catch (SqlException ex) { Console.WriteLine(ex.ToString()); ErrorInfo = ex;  throw ErrorInfo;}
            catch (Exception ex) { Console.WriteLine(ex.ToString()); ErrorInfo = ex; throw ErrorInfo; }
        }

        new public static string GetConnectionString(string server, string instance, string database)
        {
            return string.Format(@"Data Source={0}\{1};AttachDbFilename=|DataDirectory|\{2};Integrated Security=SSPI", server, instance, database);
        }

        protected override bool ClientRunScript(string strFile, out Exception ErrorInfo)
        {
            ErrorInfo = null;
            try
            {
                var commands = Regex.Split(strFile, string.Format(@"^GO{0}", System.Environment.NewLine), RegexOptions.IgnoreCase | RegexOptions.Multiline);
                foreach (var command in commands)
                {
                    Logging.DatabaseLog.DebugFormat("Current Command={0}", command);
                    SqlConnection sqlCon;
                    this.GetConnectionClone(out sqlCon, out ErrorInfo);
                    SqlCommand sqlcmd = new SqlCommand(command, this.connection);
                    sqlcmd.CommandText = command;
                    sqlcmd.Connection = sqlCon;
                    sqlcmd.CommandType = System.Data.CommandType.Text;
                    sqlcmd.ExecuteNonQuery();
                }
                return true;
            }
            catch (Exception ex)
            {
                ErrorInfo = ex;
                throw ErrorInfo;
            }
        }
    }
}