using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.DataLogic.TerminatePrinter;
using EMIS.ViewModel.TerminatePrinter;
using EMIS.ViewModel;
using EMIS.Entities;

namespace EMIS.CommonLogic.TerminatePrinter
{
    public class PrintControlServices : BaseServices, IPrintControlServices
    {
        public PrintControlDAL PrintControlDAL { get; set; }

        public IGridResultSet<PrintControlView> GetPrintControlViewGrid(ConfiguretView conditionView, int? yearID, int? pageIndex, int? pageSize)
        {
            Expression<Func<Tem_PrintControl, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);

            if (yearID.HasValue)
            {
                exp = exp.And(x => x.YearID == yearID);
            }
            var query = PrintControlDAL.GetPrintControlViewQueryable(exp);

            if (!string.IsNullOrEmpty(conditionView.ConditionValue))
                query = query.DynamicWhere(conditionView.Attribute, conditionView.Condition, conditionView.ConditionValue.Trim());

            query = query.OrderByDescending(x => x.YearID);

            return query.ToGridResultSet(pageIndex, pageSize);
        }

        public PrintControlView GetPrintControlView(Guid? printControlID)
        {
            return PrintControlDAL.GetPrintControlViewQueryable(x => x.PrintControlID == printControlID).FirstOrDefault();
        }

        public void Save(PrintControlView printControlView)
        {
            try
            {
                Tem_PrintControl dupPrintControl = PrintControlDAL.PrintControlRepository.Entities.Where(x =>
                    x.YearID == printControlView.YearID &&
                    x.PrintControlID != printControlView.PrintControlID).FirstOrDefault();

                if (dupPrintControl != null)
                {
                    throw new Exception("已经存在" + printControlView.YearID.ToString() + "年级的设置，不能保存。");
                }

                Tem_PrintControl printControl = null;
                if (printControlView.PrintControlID == null || printControlView.PrintControlID == Guid.Empty)
                {
                    printControl = new Tem_PrintControl();
                    printControl.PrintControlID = Guid.NewGuid();
                    SetNewStatus(printControl);
                    UnitOfWork.Add(printControl);
                }
                else
                {
                    printControl = this.PrintControlDAL.PrintControlRepository.GetSingle(x => x.PrintControlID == printControlView.PrintControlID);
                    if (printControl == null)
                    {
                        throw new Exception("未找到相对应的等级成绩。");
                    }
                    SetModifyStatus(printControl);
                }
                printControl.YearID = printControlView.YearID;
                printControl.Times = printControlView.Times;

                UnitOfWork.Commit();
            }
            catch (Exception)
            {
                throw;
            }
        }

        public void Delete(IList<Guid?> printControlIDList)
        {
            if (printControlIDList.Count > 0)
            {
                UnitOfWork.Delete<Tem_PrintControl>(x => printControlIDList.Contains(x.PrintControlID));
            }
        }
    }
}