using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using MySql.Data.MySqlClient;

namespace RoadFlow.Data.ORACLE
{
    public class WorkFlowDelegation : RoadFlow.Data.Interface.IWorkFlowDelegation
    {
        private DBHelper dbHelper = new DBHelper();
        /// <summary>
        /// 构造函数
        /// </summary>
        public WorkFlowDelegation()
        {
        }
        /// <summary>
        /// 添加记录
        /// </summary>
        /// <param name="model">RoadFlow.Data.Model.WorkFlowDelegation实体类</param>
        /// <returns>操作所影响的行数</returns>
        public int Add(RoadFlow.Data.Model.WorkFlowDelegation model)
        {
            string sql = @"INSERT INTO WorkFlowDelegation
				(ID,UserID,StartTime,EndTime,FlowID,ToUserID,WriteTime,Note) 
				VALUES(@ID,@UserID,@StartTime,@EndTime,@FlowID,@ToUserID,@WriteTime,@Note)";
            MySqlParameter[] parameters = new MySqlParameter[]{
                new MySqlParameter("@ID", MySqlDbType.VarChar, 50){ Value = model.ID },
                new MySqlParameter("@UserID", MySqlDbType.VarChar, 50){ Value = model.UserID },
                new MySqlParameter("@StartTime", model.StartTime),
                new MySqlParameter("@EndTime",model.EndTime),
                model.FlowID == null ? new MySqlParameter("@FlowID", MySqlDbType.VarChar, 50) { Value = DBNull.Value } : new MySqlParameter("@FlowID", MySqlDbType.VarChar, 50) { Value = model.FlowID },
                new MySqlParameter("@ToUserID", MySqlDbType.VarChar, 50){ Value = model.ToUserID },
                new MySqlParameter("@WriteTime",model.WriteTime),
                model.Note == null ? new MySqlParameter("@Note", MySqlDbType.VarChar, 8000) { Value = DBNull.Value } : new MySqlParameter("@Note", MySqlDbType.VarChar, 8000) { Value = model.Note }
            };
            return dbHelper.Execute(sql, parameters);
        }
        /// <summary>
        /// 更新记录
        /// </summary>
        /// <param name="model">RoadFlow.Data.Model.WorkFlowDelegation实体类</param>
        public int Update(RoadFlow.Data.Model.WorkFlowDelegation model)
        {
            string sql = @"UPDATE WorkFlowDelegation SET 
				UserID=@UserID,StartTime=@StartTime,EndTime=@EndTime,FlowID=@FlowID,ToUserID=@ToUserID,WriteTime=@WriteTime,Note=@Note
				WHERE ID=@ID";
            MySqlParameter[] parameters = new MySqlParameter[]{
                new MySqlParameter("@UserID", MySqlDbType.VarChar, 50){ Value = model.UserID },
                new MySqlParameter("@StartTime",model.StartTime),
                new MySqlParameter("@EndTime",model.EndTime ),
                model.FlowID == null ? new MySqlParameter("@FlowID", MySqlDbType.VarChar, 50) { Value = DBNull.Value } : new MySqlParameter("@FlowID", MySqlDbType.VarChar, 50) { Value = model.FlowID },
                new MySqlParameter("@ToUserID", MySqlDbType.VarChar, 50){ Value = model.ToUserID },
                new MySqlParameter("@WriteTime",model.WriteTime),
                model.Note == null ? new MySqlParameter("@Note", MySqlDbType.VarChar, 8000) { Value = DBNull.Value } : new MySqlParameter("@Note", MySqlDbType.VarChar, 8000) { Value = model.Note },
                new MySqlParameter("@ID", MySqlDbType.VarChar, 50){ Value = model.ID }
            };
            return dbHelper.Execute(sql, parameters);
        }
        /// <summary>
        /// 删除记录
        /// </summary>
        public int Delete(Guid id)
        {
            string sql = "DELETE FROM WorkFlowDelegation WHERE ID=@ID";
            MySqlParameter[] parameters = new MySqlParameter[]{
                new MySqlParameter("@ID", MySqlDbType.VarChar, 50){ Value = id }
            };
            return dbHelper.Execute(sql, parameters);
        }
        /// <summary>
        /// 将DataRedar转换为List
        /// </summary>
        private List<RoadFlow.Data.Model.WorkFlowDelegation> DataReaderToList(DataTable dataReader)
        {
            List<RoadFlow.Data.Model.WorkFlowDelegation> List = new List<RoadFlow.Data.Model.WorkFlowDelegation>();
            RoadFlow.Data.Model.WorkFlowDelegation model = null;
            for (int i = 0; i < dataReader.Rows.Count; i++)
            //while (dataReader.Read())
            {
                model = new RoadFlow.Data.Model.WorkFlowDelegation();
                model.ID = new Guid(dataReader.Rows[i][0] + "");
                model.UserID = dataReader.Rows[i][1] + "";
                DateTime.TryParse(dataReader.Rows[i][2] + "", out DateTime sDtm);
                model.StartTime = sDtm;
                DateTime.TryParse(dataReader.Rows[i][3] + "", out DateTime eDtm);
                model.EndTime = eDtm;
                    model.FlowID = new Guid(dataReader.Rows[i][4] + "");
                model.ToUserID = dataReader.Rows[i][5] + "";
                DateTime.TryParse(dataReader.Rows[i][6] + "", out DateTime dtm);
                model.WriteTime = dtm;
                    model.Note = dataReader.Rows[i][7] + "";
                List.Add(model);
            }
            return List;
        }
        /// <summary>
        /// 查询所有记录
        /// </summary>
        public List<RoadFlow.Data.Model.WorkFlowDelegation> GetAll()
        {
            string sql = "SELECT * FROM WorkFlowDelegation";
            var dataReader = dbHelper.GetDataReader(sql);
            List<RoadFlow.Data.Model.WorkFlowDelegation> List = DataReaderToList(dataReader);
            return List;
        }
        /// <summary>
        /// 查询记录数
        /// </summary>
        public long GetCount()
        {
            string sql = "SELECT COUNT(*) FROM WorkFlowDelegation";
            long count;
            return long.TryParse(dbHelper.GetFieldValue(sql), out count) ? count : 0;
        }
        /// <summary>
        /// 根据主键查询一条记录
        /// </summary>
        public RoadFlow.Data.Model.WorkFlowDelegation Get(Guid id)
        {
            string sql = "SELECT * FROM WorkFlowDelegation WHERE ID=@ID";
            MySqlParameter[] parameters = new MySqlParameter[]{
                new MySqlParameter("@ID", MySqlDbType.VarChar, 50){ Value = id }
            };
            var dataReader = dbHelper.GetDataReader(sql, parameters);
            List<RoadFlow.Data.Model.WorkFlowDelegation> List = DataReaderToList(dataReader); 
            return List.Count > 0 ? List[0] : null;
        }

        /// <summary>
        /// 查询一个用户所有记录
        /// </summary>
        public List<RoadFlow.Data.Model.WorkFlowDelegation> GetByUserID(Guid userID)
        {
            string sql = "SELECT * FROM WorkFlowDelegation WHERE UserID=@UserID";
            MySqlParameter[] parameters = new MySqlParameter[]{
                new MySqlParameter("@UserID", MySqlDbType.VarChar, 50){ Value = userID }
            };
            var dataReader = dbHelper.GetDataReader(sql, parameters);
            List<RoadFlow.Data.Model.WorkFlowDelegation> List = DataReaderToList(dataReader); 
            return List;
        }

        /// <summary>
        /// 得到一页数据
        /// </summary>
        /// <param name="pager"></param>
        /// <param name="query"></param>
        /// <param name="userID"></param>
        /// <param name="startTime"></param>
        /// <param name="endTime"></param>
        /// <returns></returns>
        public List<RoadFlow.Data.Model.WorkFlowDelegation> GetPagerData(out string pager, string query = "", string userID = "", string startTime = "", string endTime = "")
        {
            StringBuilder WHERE = new StringBuilder();
            List<MySqlParameter> parList = new List<MySqlParameter>();

            if (userID.IsGuid())
            {
                WHERE.Append("AND UserID=@UserID ");
                parList.Add(new MySqlParameter("@UserID", MySqlDbType.VarChar, 50) { Value = userID.ToGuid() });
            }
            if (startTime.IsDateTime())
            {
                WHERE.Append("AND StartTime>=@StartTime ");
                parList.Add(new MySqlParameter("@StartTime", startTime.ToDateTime().ToString("yyyy-MM-dd").ToDateTime()));
            }
            if (endTime.IsDateTime())
            {
                WHERE.Append("AND EndTime<=@EndTime ");
                parList.Add(new MySqlParameter("@EndTime", endTime.ToDateTime().AddDays(1).ToString("yyyy-MM-dd").ToDateTime()));
            }
            long count;
            int pageSize = RoadFlow.Utility.Tools.GetPageSize();
            int pageNumber = RoadFlow.Utility.Tools.GetPageNumber();
            string sql = dbHelper.GetPaerSql("WorkFlowDelegation", "*", WHERE.ToString(), "WriteTime Desc", pageSize, pageNumber, out count, parList.ToArray());

            pager = RoadFlow.Utility.Tools.GetPagerHtml(count, pageSize, pageNumber, query);
            var dataReader = dbHelper.GetDataReader(sql, parList.ToArray());
            List<RoadFlow.Data.Model.WorkFlowDelegation> List = DataReaderToList(dataReader); 
            return List;
        }

        /// <summary>
        /// 得到未过期的委托
        /// </summary>
        public List<RoadFlow.Data.Model.WorkFlowDelegation> GetNoExpiredList()
        {
            string sql = "SELECT * FROM WorkFlowDelegation WHERE EndTime>=@EndTime";
            MySqlParameter[] parameters = new MySqlParameter[] { new MySqlParameter("@EndTime", RoadFlow.Utility.DateTimeNew.Now) };
            var dataReader = dbHelper.GetDataReader(sql, parameters);
            List<RoadFlow.Data.Model.WorkFlowDelegation> List = DataReaderToList(dataReader);
            return List;
        }
    }
}