using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using BO;
using BO.BO.Bill;
using Forks.EnterpriseServices.DomainObjects2;
using Forks.EnterpriseServices.DomainObjects2.DQuery;
using Forks.JsonRpc.Client;
using Newtonsoft.Json;
using SegmentationWeight.Rpc.Dto;

namespace SegmentationWeight.Rpc
{
  public class SegmentationWeightRecordRpc : SyncToServerBase<SegmentationWeightRecord>
  {
    // 定义一个静态变量来保存类的实例
    private static SegmentationWeightRecordRpc uniqueInstance;

    // 定义一个标识确保线程同步
    private static readonly object locker = new object();

    // 定义私有构造函数，使外界不能创建该类实例
    private SegmentationWeightRecordRpc()
    {
    }

    /// <summary>
    /// 定义公有方法提供一个全局访问点,同时你也可以定义公有属性来提供全局访问点
    /// </summary>
    /// <returns></returns>
    public static SegmentationWeightRecordRpc GetInstance()
    {
      // 当第一个线程运行到这里时，此时会对locker对象 "加锁"，
      // 当第二个线程运行该方法时，首先检测到locker对象为"加锁"状态，该线程就会挂起等待第一个线程解锁
      // lock语句运行完之后（即线程运行完之后）会对该对象"解锁"
      // 双重锁定只需要一句判断就可以了
      if (uniqueInstance == null)
      {
        lock (locker)
        {
          // 如果类的实例不存在则创建，否则直接返回
          if (uniqueInstance == null)
          {
            uniqueInstance = new SegmentationWeightRecordRpc();
          }
        }
      }
      return uniqueInstance;
    }


    protected override string InsertRpcUrl
    {
      get { return "/MainSystem/B3ClientService/Rpcs/BillRpc/SegmentationWeightRecordRpc/Insert"; }
    }

    protected override string UpdateRpcUrl
    {
      get { return "/MainSystem/B3ClientService/Rpcs/BillRpc/SegmentationWeightRecordRpc/Update"; }
    }

    protected override string DeleteRpcUrl
    {
      get { return "/MainSystem/B3ClientService/Rpcs/BillRpc/SegmentationWeightRecordRpc/Delete"; }
    }


    public BindingList<SegmentationWeightRecord> GetTodayList(string flag)
    {
      return GetListByDate(DateTime.Today, flag);
    }



    public BindingList<SegmentationWeightRecord> GetListByDate(DateTime date, string flag)
    {
      var bindList = new BindingList<SegmentationWeightRecord>();
      var list = new List<SegmentationWeightRecord>();
      var query = new DmoQuery(typeof(SegmentationWeightRecord));
      query.Where.Conditions.Add(DQCondition.GreaterThanOrEqual("CreateTime", date.Date));
      query.Where.Conditions.Add(DQCondition.LessThan("CreateTime", date.Date.AddDays(1)));
      query.Where.Conditions.Add(DQCondition.EQ("IsDeleted", false));
      if (!string.IsNullOrEmpty(flag))
        query.Where.Conditions.Add(DQCondition.EQ("GroupFlag", flag));
      query.OrderBy.Expressions.Add(DQOrderByExpression.Create("ID", false));
      using (var session = LocalDmoSession.New())
      {
        list = session.ExecuteList(query).Cast<SegmentationWeightRecord>().ToList();
      }
      foreach (SegmentationWeightRecord record in list)
      {
        bindList.Add(record);
      }
      return bindList;
    }



    public static int GetTodayTotalCount(DateTime date)
    {
      var query = new DQueryDom(new JoinAlias(typeof(SegmentationWeightRecord)));
      query.Columns.Add(DQSelectColumn.Count());
      query.Where.Conditions.Add(DQCondition.GreaterThanOrEqual("CreateTime", date.Date));
      query.Where.Conditions.Add(DQCondition.LessThan("CreateTime", date.Date.AddDays(1))); ;
      using (var session = LocalDmoSession.New())
      {
        return Convert.ToInt32(session.ExecuteScalar(query));
      }
    }

    public BindingList<SegmentationWeightRecord> GetTodayGroupFlagList()
    {
      var bindList = new BindingList<SegmentationWeightRecord>();
      var query = new DQueryDom(new JoinAlias(typeof(SegmentationWeightRecord)));
      query.Where.Conditions.Add(DQCondition.And(DQCondition.Between("CreateTime", DateTime.Today, DateTime.Today + new TimeSpan(23, 59, 29)), DQCondition.EQ("IsDeleted", false), DQCondition.IsNotNull(DQExpression.Field("GroupFlag"))));
      query.Columns.Add(DQSelectColumn.Field("Goods_Name"));
      query.Columns.Add(DQSelectColumn.Field("GroupFlag"));
      query.GroupBy.Expressions.Add(DQExpression.Field("Goods_Name"));
      query.GroupBy.Expressions.Add(DQExpression.Field("GroupFlag"));
      using (var session = LocalDmoSession.New())
      {
        using (var reader = session.ExecuteReader(query))
        {
          while (reader.Read())
            bindList.Add(new SegmentationWeightRecord { Goods_Name = (string)reader[0], GroupFlag = (string)reader[1] });
        }
      }
      return bindList;
    }
  }
}