using System;
using System.Data;
using DSWeb.Models;
using System.Data.SqlClient;
using System.Collections;
using System.Collections.Generic;
using WebSqlHelper;

namespace DSWeb.EntityDA
{
    public class UserSessionDA
    {
        //private string PARM_USER_SESSION_GID = "@gid";
        //private string PARM_USER_SESSION_SESSION_ID = "@session_id";
        private string PARM_USER_SESSION_CREATE_USER = "@create_user";
        //private string PARM_USER_SESSION_CREATE_TIME = "@create_time";
        //private string PARM_USER_SESSION_IS_DELETE = "@is_delete";
        //private string PARM_USER_SESSION_DELETE_TIME = "@delete_time";
        //private string PARM_USER_SESSION_EXPIRES_MINUTES = "@expires_minutes";
        private string PARM_USER_SEESION_TYPE = "@type";

        private string SQL_SELECT_USER_SESSION_BY_USERID = "SELECT  GID, SESSIONID, CREATETIME, CREATEUSER, ISDELETE, DELETETIME, EXPIRESMINS, TYPE FROM  user_session WHERE USERID = @user_id";

        //private string SQL_SELECT_USER_SESSION_BY_USERID_AND_TYPE = "SELECT  GID, SESSIONID, CREATETIME, CREATEUSER, ISDELETE, DELETETIME, EXPIRESMINS, TYPE FROM  user_session WHERE USERID = @user_id AND TYPE = @type ";
        
        public UserSessionDA()
        {
        }

        public IList<UserSessionEntity> GetUserSessionByUserID(string tempUserID, int tempType)
        {
            IList<UserSessionEntity> userSessionEntities = new List<UserSessionEntity>();

            SqlParameter[] parms = new SqlParameter[]{
                new SqlParameter(PARM_USER_SESSION_CREATE_USER, SqlDbType.VarChar, 36),
                new SqlParameter(PARM_USER_SEESION_TYPE,SqlDbType.Int)
            };
            parms[0].Value = tempUserID;
            parms[1].Value = tempType;

            using (SqlDataReader sqlRead = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringLocalTransaction, CommandType.Text, SQL_SELECT_USER_SESSION_BY_USERID, parms))
            {
                try
                {
                    UserSessionEntity userSessionEntity = new UserSessionEntity();
                    //读取字段值
                    while (sqlRead.Read())
                    {
                        if (!sqlRead.IsDBNull(0))
                        {
                            userSessionEntity.GID = sqlRead.GetString(0);
                        }
                        if (!sqlRead.IsDBNull(1))
                        {
                            userSessionEntity.SessionID = sqlRead.GetString(1);
                        }
                        if (!sqlRead.IsDBNull(2))
                        {
                            userSessionEntity.CreateTime = sqlRead.GetDateTime(2);
                        }
                        if (!sqlRead.IsDBNull(3))
                        {
                            userSessionEntity.CreateUser = sqlRead.GetString(3);
                        }
                        if (!sqlRead.IsDBNull(4))
                        {
                            userSessionEntity.IsDelete = sqlRead.GetBoolean(4);
                        }
                        if (!sqlRead.IsDBNull(5))
                        {
                            userSessionEntity.DeleteTime = sqlRead.GetDateTime(5);
                        }
                        if (!sqlRead.IsDBNull(6))
                        {
                            userSessionEntity.ExpiresMinutes = sqlRead.GetInt32(6);
                        }
                        if (!sqlRead.IsDBNull(7))
                        {
                            userSessionEntity.Type = sqlRead.GetInt32(7);
                        }
                    }

                    userSessionEntities.Add(userSessionEntity);
                }
                catch (Exception exceError)
                {
                    //抛出异常
                    throw exceError;
                }
            }

            return userSessionEntities;
        }
    }
}