using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using QMAPP.FJC.Entity.EnergyManage;
using System.Data;
using QMFrameWork.Data;
using QMFrameWork.Log;

namespace QMAPP.FJC.DAL.EnergyManage
{
    public class MeterReadingsDAL
    {
        #region 获取列表
        /// <summary>
        /// 获取列表
        /// </summary>
        /// <param name="condition">条件</param>
        /// <param name="page">数据页</param>
        /// <returns>数据页</returns>
        public DataPage GetList(Meter condition, DataPage page)
        {
            string sql = null;
            List<DataParameter> parameters = new List<DataParameter>();
            try
            {
                sql = this.GetQuerySql(condition, ref parameters);
                //分页关键字段及排序
                page.KeyName = "PID";
                page.SortExpression = "EQPT_CODE";
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    page = session.GetDataPage<Meter>(sql, parameters.ToArray(), page);
                }
                return page;
            }
            catch (Exception ex)
            {
                LogManager.LogHelper.Error(new LogInfo()
                {
                    ErrorInfo = ex,
                    Tag = ex.StackTrace,
                    Info = "FIS 计划信息数据层-获取列表"
                });
                throw;
            }
        }

        #endregion

        #region 获取查询语句
        /// <summary>
        /// 获取查询语句
        /// </summary>
        /// <param name="user">查询条件</param>
        /// <param name="parameters">参数</param>
        /// <returns>查询语句</returns>
        private string GetQuerySql(Meter condition, ref List<DataParameter> parameters)
        {
            StringBuilder sqlBuilder = new StringBuilder();
            StringBuilder whereBuilder = new StringBuilder();
            try
            {
                //构成查询语句E.PID,
                sqlBuilder.AppendLine("	SELECT 	");
                sqlBuilder.AppendLine("	E.EQUIPMENT_NAME AS EQPT_NAME , 	");
                sqlBuilder.AppendLine("	E.EQUIPMENT_CODE AS EQPT_CODE , 	");
                sqlBuilder.AppendLine("	SUM(R.DIFF_WITH_LAST) AS CONSUME 	");
                sqlBuilder.AppendLine("	FROM T_EM_METER_READINGS AS R 	");
                sqlBuilder.AppendLine("	LEFT JOIN T_EM_METER AS M ON R.METER_PID=M.PID 	");
                sqlBuilder.AppendLine("	LEFT JOIN T_MD_EQUIPMENT AS E ON E.EQUIPMENT_CODE=M.EQPT_CODE  	");

                sqlBuilder.AppendLine("	LEFT JOIN T_MD_FACTORY AS F ON F.FACTORY_CODE=M.FACTORY_CODE  	");
                sqlBuilder.AppendLine("	LEFT JOIN T_MD_WORKCENTER AS W ON W.WORKCENTER_CODE=E.WORKCENTER_CODE  	");
                //查询条件 

                //工厂号
                if (string.IsNullOrEmpty(condition.FACTORY_CODE) == false)
                {
                    whereBuilder.Append(" AND M.FACTORY_CODE = @FACTORY_CODE");
                    parameters.Add(new DataParameter { ParameterName = "FACTORY_CODE", DataType = DbType.String, Value = condition.FACTORY_CODE });
                }
                //设备号
                if (string.IsNullOrEmpty(condition.EQPT_CODE) == false)
                {
                    whereBuilder.Append(" AND EQPT_CODE= @EQPT_CODE");
                    parameters.Add(new DataParameter { ParameterName = "EQPT_CODE", DataType = DbType.String, Value = condition.EQPT_CODE });
                }
                //工作中心编号
                //if (string.IsNullOrEmpty(condition.WORKCENTER_CODE) == false)
                //{
                //    whereBuilder.Append(" AND E.WORKCENTER_CODE=@WORKCENTER_CODE");
                //    parameters.Add(new DataParameter { ParameterName = "WORKCENTER_CODE", DataType = DbType.String, Value = condition.WORKCENTER_CODE });
                //}
                ////开始时间
                //if (condition.ONLINETIMESTART != DateTime.MinValue)
                //{
                //    whereBuilder.Append(" AND R.READ_TIME >= @ONLINETIMESTART");
                //    parameters.Add(new DataParameter { ParameterName = "ONLINETIMESTART", DataType = DbType.String, Value = condition.ONLINETIMESTART });
                //}
                //if (condition.ONLINETIMEEND != DateTime.MinValue)
                //{
                //    whereBuilder.Append(" AND R.READ_TIME <= @ONLINETIMEEND");
                //    parameters.Add(new DataParameter { ParameterName = "ONLINETIMEEND", DataType = DbType.String, Value = condition.ONLINETIMEEND });
                //}

                if (whereBuilder.Length > 0)
                {
                    sqlBuilder.Append(" WHERE " + whereBuilder.ToString().Substring(4));
                }
                sqlBuilder.AppendLine("	GROUP BY E.EQUIPMENT_NAME,E.EQUIPMENT_CODE 	");
                return sqlBuilder.ToString();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 获取导出的数据
        /// <summary>
        /// 获取导出的数据
        /// </summary>
        /// <param name="user">查询条件</param>
        /// <returns>数据</returns>
        public DataTable GetExportData(Meter model)
        {
            DataTable dt = null;
            string sql = null;
            List<DataParameter> parameters = new List<DataParameter>();
            try
            {
                //构成查询语句
                sql = this.GetQuerySql(model, ref parameters);
                using (IDataSession session = AppDataFactory.CreateMainSession())
                {
                    dt = session.GetTable(sql, parameters.ToArray());
                    dt.TableName = "EqptConsumeExp";
                }
                return dt;
            }
            catch (Exception ex)
            {
                LogManager.LogHelper.Error(new LogInfo()
                {
                    ErrorInfo = ex,
                    Tag = ex.StackTrace,
                    Info = "设备耗能信息导出获取数据错误!"
                });
                throw ex;
            }
        }
        #endregion
    }
}