using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using BWP.B3ButcherManage.BO;
using BWP.B3ExportBase;
using BWP.B3ExportBase.BL;
using BWP.B3Frameworks;
using Forks.EnterpriseServices;
using Forks.EnterpriseServices.BusinessInterfaces;
using TSingSoft.WebPluginFramework;

namespace BWP.B3ButcherManageExport.BL {
  [BusinessInterface(typeof(PayToEasVoucherBL))]
  public interface IPayToEasVoucherBL : IEasVoucherBL<Pay> {
    void Export(List<long> dmoIDs, long extSystemID, DateTime? date);
  }


  [LogicName("屠宰付款单导EAS凭证")]
  [BindToFeature("B3ButcherManageExport.0001")]
  [ExportID(B3FrameworksConsts.DmoTypeIDBases.B3ButcherManageExport, B3ButcherManageExportConsts.ExportIDOffsets.PayToEasVoucher)]
  public class PayToEasVoucherBL : EasVoucherBL<Pay>, IPayToEasVoucherBL {
    private DateTime _date;

    public DateTime Date {
      get { return _date; }
      set { _date = value; }
    }

    public void Export(List<long> dmoIDs, long extSystemID, DateTime? date) {
      _date = date ?? BLContext.Today;
      Export(dmoIDs, extSystemID);
    }

    public IEnumerable GroupBySupplier(IEnumerable<Pay> dmos) {
      return dmos.GroupBy(x => x.Supplier_ID);
    }

    public IEnumerable GroupByMonth(IEnumerable<Pay> dmos) {
      return dmos.GroupBy(x => (x.Date ?? BLContext.Today).Month);
    }

    public IEnumerable GroupByAccount(IEnumerable<Pay> dmos) {
      return dmos.GroupBy(x => x.Account_ID);
    }

    public IEnumerable GroupByAccountingUnit(IEnumerable<Pay> dmos) {
      return dmos.GroupBy(x => x.AccountingUnit_ID);
    }

    public decimal SumMoney(IEnumerable<Pay> dmos) {
      return dmos.Sum(x => (x.Money ?? 0).Value);
    }
  }
}