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

namespace DSWeb.EntityDA
{
    public class AttributeDA
    {
        private const string PARM_ATTR_GID = "@gid";
        private const string PARM_ATTR_NAME = "@name";
        private const string PARM_ATTR_DESCRIPTION = "@description";
        private const string PARM_ATTR_DEFAULT_VALUE = "@default_value";
        private const string PARM_ATTR_CREATE_USER = "@create_user";
        private const string PARM_ATTR_CREATE_TIME = "@create_time";
        private const string PARM_ATTR_MODIFIED_USER = "@modified_user";
        private const string PARM_ATTR_MODIFIED_TIME = "@modified_time";
        private const string PARM_ATTR_IS_DELETE = "@is_delete";
        private const string PARM_ATTR_DELETE_USER = "@delete_user";
        private const string PARM_ATTR_DELETE_TIME = "@delete_time";
        private const string PARM_ATTR_STATE = "@state";
        private const string PARM_ATTR_SORT = "@sort";
        private const string PARM_ATTR_TYPE_ID = "@type_id";

        private const string SQL_SELECT_ATTR_BY_GID = " SELECT GID, NAME, DESCRIPTION, DEFAULTVALUE, CREATEUSER, CREATETIME, MODIFIEDUSER, MODIFIEDTIME, ISDELETE, DELETEUSER, DELETETIME, STATE, SORT, TYPEID "
                                                    + " FROM attribute WHERE GID = @gid ";

        private const string SQL_SELECT_ATTR_BY_NAME = " SELECT GID, NAME, DESCRIPTION, DEFAULTVALUE, CREATEUSER, CREATETIME, MODIFIEDUSER, MODIFIEDTIME, ISDELETE, DELETEUSER, DELETETIME, STATE, SORT, TYPEID "
                                                     + " FROM attribute WHERE NAME = @name ";

        private const string SQL_INSERT_ATTR_BY_GID = " INSERT INTO attribute (GID, NAME, DESCRIPTION, DEFAULTVALUE, CREATEUSER, CREATETIME,STATE, SORT, TYPEID) VALUES "
                                             + " (@gid,@name,@description,@default_value,@create_user,GETDATE(),@state,@sort,@type_id) ";

        private const string SQL_UPDATE_ATTR_BY_GID = " UPDATE attribute SET NAME = @name,DESCRIPTION = @description,DEFAULTVALUE = @default_value,MODIFIEDUSER = @modified_user,STATE = @state,SORT = @sort,TYPEID = @type_id"
                                             + " WHERE GID = @gid ";

        private const string SQL_DELETE_ATTR_BY_GID = " UPDATE attribute SET ISDELETE = 1,DELETEUSER = @delete_user,DELETETIME = GETDATE() WHERE GID = @gid ";

        #region 通过GID删除参数信息
        /// <summary>
        /// 通过GID删除参数信息
        /// </summary>
        /// <param name="tempAttributeID">参数GID</param>
        /// <param name="tempOperatorID">操作人GID</param>
        /// <returns>值1表示参数删除成功 值不等于1表示删除失败</returns>
        public int DeleteAttributeByGID(string tempAttributeID,string tempOperatorID)
        {
            int iResult = 0;

            using (SqlConnection sqlConn = new SqlConnection(SqlHelper.ConnectionStringLocalTransaction))
            {
                try
                {
                    SqlParameter[] parms = new SqlParameter[] {
                        new SqlParameter(PARM_ATTR_GID,SqlDbType.VarChar,36),
                        new SqlParameter(PARM_ATTR_DELETE_USER,SqlDbType.VarChar,36)
                    };
                    parms[0].Value = tempAttributeID;
                    parms[1].Value = tempOperatorID;

                    iResult = SqlHelper.ExecuteNonQuery(sqlConn, CommandType.Text, SQL_DELETE_ATTR_BY_GID, parms);
                }
                catch (Exception)
                {
                    iResult = -1;
                }
            }

            return iResult;
        }
        #endregion

        #region 根据参数GID获取相关参数
        /// <summary>
        /// 根据参数GID获取相关参数
        /// </summary>
        /// <param name="tempAttributeID">参数GID</param>
        /// <returns>返回实体类</returns>
        public AttributeEntity GetAttributeByID(string tempAttributeID)
        {
            AttributeEntity attributeEntity = null;

            SqlParameter parm = new SqlParameter(PARM_ATTR_GID, SqlDbType.VarChar, 36);
            parm.Value = tempAttributeID;

            using (SqlDataReader sqlRead = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringLocalTransaction, CommandType.Text, SQL_SELECT_ATTR_BY_GID, parm))
            {

                try
                {
                    while (sqlRead.Read())
                    {
                        attributeEntity = new AttributeEntity();

                        if (!sqlRead.IsDBNull(0))
                        {
                            attributeEntity.GID = sqlRead.GetString(0);
                        }

                        if (!sqlRead.IsDBNull(1))
                        {
                            attributeEntity.Name = sqlRead.GetString(1);
                        }

                        if (!sqlRead.IsDBNull(2))
                        {
                            attributeEntity.Description = sqlRead.GetString(2);
                        }

                        if (!sqlRead.IsDBNull(3))
                        {
                            attributeEntity.DefaultValue = sqlRead.GetString(3);
                        }

                        if (!sqlRead.IsDBNull(4))
                        {
                            attributeEntity.CreateUser = sqlRead.GetString(4);
                        }

                        if (!sqlRead.IsDBNull(5))
                        {
                            attributeEntity.CreateTime = sqlRead.GetDateTime(5);
                        }

                        if (!sqlRead.IsDBNull(6))
                        {
                            attributeEntity.ModifiedUser = sqlRead.GetString(6);
                        }

                        if (!sqlRead.IsDBNull(7))
                        {
                            attributeEntity.ModifiedTime = sqlRead.GetDateTime(7);
                        }

                        if (!sqlRead.IsDBNull(8))
                        {
                            attributeEntity.IsDelete = sqlRead.GetBoolean(8);
                        }

                        if (!sqlRead.IsDBNull(9))
                        {
                            attributeEntity.DeleteUser = sqlRead.GetString(9);
                        }

                        if (!sqlRead.IsDBNull(10))
                        {
                            attributeEntity.DeleteTime = sqlRead.GetDateTime(10);
                        }

                        if (!sqlRead.IsDBNull(11))
                        {
                            attributeEntity.State = sqlRead.GetInt32(11);
                        }

                        if (!sqlRead.IsDBNull(12))
                        {
                            attributeEntity.Sort = sqlRead.GetInt32(12);
                        }

                        if (!sqlRead.IsDBNull(13))
                        {
                            attributeEntity.TypeID = sqlRead.GetString(13);
                        }
                    }

                }
                catch (Exception execError)
                {
                    throw execError;
                }
            }

            return attributeEntity;
        }
        #endregion

        #region 根据参数NAME获取相关参数（attribute）
        /// <summary>
        /// 根据参数NAME获取相关参数（attribute）
        /// </summary>
        /// <param name="tempAttributeName">参数NAME</param>
        /// <returns>返回实体类</returns>
        public AttributeEntity GetAttributeByName(string tempAttributeName)
        {
            AttributeEntity attributeEntity = null;

            SqlParameter parm = new SqlParameter(PARM_ATTR_NAME, SqlDbType.VarChar, 50);
            parm.Value = tempAttributeName;

            using (SqlDataReader sqlRead = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringLocalTransaction, CommandType.Text, SQL_SELECT_ATTR_BY_NAME, parm))
            {

                try
                {
                    while (sqlRead.Read())
                    {
                        attributeEntity = new AttributeEntity();

                        if (!sqlRead.IsDBNull(0))
                        {
                            attributeEntity.GID = sqlRead.GetString(0);
                        }

                        if (!sqlRead.IsDBNull(1))
                        {
                            attributeEntity.Name = sqlRead.GetString(1);
                        }

                        if (!sqlRead.IsDBNull(2))
                        {
                            attributeEntity.Description = sqlRead.GetString(2);
                        }

                        if (!sqlRead.IsDBNull(3))
                        {
                            attributeEntity.DefaultValue = sqlRead.GetString(3);
                        }

                        if (!sqlRead.IsDBNull(4))
                        {
                            attributeEntity.CreateUser = sqlRead.GetString(4);
                        }

                        if (!sqlRead.IsDBNull(5))
                        {
                            attributeEntity.CreateTime = sqlRead.GetDateTime(5);
                        }

                        if (!sqlRead.IsDBNull(6))
                        {
                            attributeEntity.ModifiedUser = sqlRead.GetString(6);
                        }

                        if (!sqlRead.IsDBNull(7))
                        {
                            attributeEntity.ModifiedTime = sqlRead.GetDateTime(7);
                        }

                        if (!sqlRead.IsDBNull(8))
                        {
                            attributeEntity.IsDelete = sqlRead.GetBoolean(8);
                        }

                        if (!sqlRead.IsDBNull(9))
                        {
                            attributeEntity.DeleteUser = sqlRead.GetString(9);
                        }

                        if (!sqlRead.IsDBNull(10))
                        {
                            attributeEntity.DeleteTime = sqlRead.GetDateTime(10);
                        }

                        if (!sqlRead.IsDBNull(11))
                        {
                            attributeEntity.State = sqlRead.GetInt32(11);
                        }

                        if (!sqlRead.IsDBNull(12))
                        {
                            attributeEntity.Sort = sqlRead.GetInt32(12);
                        }

                        if (!sqlRead.IsDBNull(13))
                        {
                            attributeEntity.TypeID = sqlRead.GetString(13);
                        }
                    }

                }
                catch (Exception execError)
                {
                    throw execError;
                }
            }

            return attributeEntity;
        }
        #endregion

        #region 插入参数
        /// <summary>
        /// 插入参数类型
        /// </summary>
        /// <param name="tempAttributeEntity">参数实体类</param>
        /// <returns>值1表示插入完成 值不等于1表示插入失败</returns>
        public int InsertAttribute(AttributeEntity tempAttributeEntity)
        {
            int iResult = 0;

            using (SqlConnection conn = new SqlConnection(SqlHelper.ConnectionStringLocalTransaction))
            {
                SqlParameter[] parms = new SqlParameter[] { 
                    new SqlParameter(PARM_ATTR_GID,SqlDbType.VarChar,36),
                    new SqlParameter(PARM_ATTR_NAME,SqlDbType.VarChar,50),
                    new SqlParameter(PARM_ATTR_DESCRIPTION,SqlDbType.VarChar,50),
                    new SqlParameter(PARM_ATTR_DEFAULT_VALUE,SqlDbType.VarChar,50),
                    new SqlParameter(PARM_ATTR_CREATE_USER,SqlDbType.VarChar,36),
                    new SqlParameter(PARM_ATTR_STATE,SqlDbType.Int),
                    new SqlParameter(PARM_ATTR_SORT,SqlDbType.Int),
                    new SqlParameter(PARM_ATTR_TYPE_ID,SqlDbType.VarChar,36)
                };

                parms[0].Value = tempAttributeEntity.GID;
                parms[1].Value = tempAttributeEntity.Name;
                parms[2].Value = tempAttributeEntity.Description;
                parms[3].Value = tempAttributeEntity.DefaultValue;
                parms[4].Value = tempAttributeEntity.CreateUser;
                parms[5].Value = tempAttributeEntity.State;
                parms[6].Value = tempAttributeEntity.Sort;
                parms[7].Value = tempAttributeEntity.TypeID;

                try
                {
                    iResult = SqlHelper.ExecuteNonQuery(conn, CommandType.Text, SQL_INSERT_ATTR_BY_GID, parms);
                }
                catch (Exception error)
                {
                    iResult = -1;//插入异常
                    throw error;
                }
            }

            return iResult;
        }
        #endregion

        #region 更新参数
        /// <summary>
        /// 更新参数类型
        /// </summary>
        /// <param name="tempAttributeEntity">参数实体类</param>
        /// <returns>值1表示更新完成 值不等于1表示更新失败</returns>
        public int UpdateAttribute(AttributeEntity tempAttributeEntity)
        {
            int iResult = 0;

            using (SqlConnection conn = new SqlConnection(SqlHelper.ConnectionStringLocalTransaction))
            {
                SqlParameter[] parms = new SqlParameter[] { 
                    new SqlParameter(PARM_ATTR_GID,SqlDbType.VarChar,36),
                    new SqlParameter(PARM_ATTR_NAME,SqlDbType.VarChar,50),
                    new SqlParameter(PARM_ATTR_DESCRIPTION,SqlDbType.VarChar,50),
                    new SqlParameter(PARM_ATTR_DEFAULT_VALUE,SqlDbType.VarChar,50),
                    new SqlParameter(PARM_ATTR_MODIFIED_USER,SqlDbType.VarChar,36),
                    new SqlParameter(PARM_ATTR_STATE,SqlDbType.Int),
                    new SqlParameter(PARM_ATTR_SORT,SqlDbType.Int),
                    new SqlParameter(PARM_ATTR_TYPE_ID,SqlDbType.VarChar,36)
                };

                parms[0].Value = tempAttributeEntity.GID;
                parms[1].Value = tempAttributeEntity.Name;
                parms[2].Value = tempAttributeEntity.Description;
                parms[3].Value = tempAttributeEntity.DefaultValue;
                parms[4].Value = tempAttributeEntity.ModifiedUser;
                parms[5].Value = tempAttributeEntity.State;
                parms[6].Value = tempAttributeEntity.Sort;
                parms[7].Value = tempAttributeEntity.TypeID;

                try
                {
                    iResult = SqlHelper.ExecuteNonQuery(conn, CommandType.Text, SQL_UPDATE_ATTR_BY_GID, parms);
                }
                catch (Exception error)
                {
                    iResult = -1;//插入异常
                    throw error;
                }
            }

            return iResult;
        }
        #endregion

        #region 获取SQL语句查询数据集
        /// <summary>
        /// 获取SQL语句查询数据集
        /// </summary>
        /// <param name="strSql"></param>
        /// <returns></returns>
        public DataSet GetExcuteSql(string strSql)
        {
            DataSet tempSet = new DataSet();

            tempSet = SqlHelper.ExecuteDataset(SqlHelper.ConnectionStringLocalTransaction, CommandType.Text, strSql);
            return tempSet;
        }
        #endregion
    }
}