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

namespace EMIS.CommonLogic.PaymentManage
{
    public class PaymentStandardServices : BaseServices, IPaymentStandardServices
    {
        public PaymentStandardDAL PaymentStandardDAL { get; set; }

        public IGridResultSet<PaymentStandardView> GetPaymentStandardViewList(ConfiguretView paymentStandardConditionView, int pageIndex, int pageSize)
        {
            Expression<Func<TP_PaymentStandard, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);

            var query = PaymentStandardDAL.GetPaymentStandardViewQueryable(exp);

            if (!string.IsNullOrEmpty(paymentStandardConditionView.ConditionValue) && !string.IsNullOrEmpty(paymentStandardConditionView.Attribute))
                query = query.DynamicWhere(paymentStandardConditionView.Attribute, paymentStandardConditionView.Condition, paymentStandardConditionView.ConditionValue);

            query = query.OrderBy(x => x.TitleID).ThenBy(x => x.TeacherType);

            return query.ToGridResultSet<PaymentStandardView>(pageIndex, pageSize);
        }

        public List<PaymentStandardView> GetPaymentStandardViewList()
        {
            Expression<Func<TP_PaymentStandard, bool>> exp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);

            var query = PaymentStandardDAL.GetPaymentStandardViewQueryable(exp);

            query = query.OrderBy(x => x.TitleID).ThenBy(x => x.TeacherType);

            return query.ToList();
        }

        /// <summary>
        /// 获取考试时间信息
        /// </summary>
        /// <param name="paymentStandardID">考试时间ID</param>
        /// <returns></returns>
        public PaymentStandardView GetPaymentStandardView(Guid? paymentStandardID)
        {
            var query = PaymentStandardDAL.GetPaymentStandardViewQueryable(x => x.PaymentStandardID == paymentStandardID);
            return query.FirstOrDefault();
        }

        /// <summary>
        /// 保存
        /// </summary>
        /// <param name="paymentStandard">实体</param>
        /// <returns></returns>
        public void Save(PaymentStandardView paymentStandardView)
        {
            TP_PaymentStandard paymentStandard = new TP_PaymentStandard();
            if (paymentStandardView.PaymentStandardID == null || paymentStandardView.PaymentStandardID == Guid.Empty)
            {
                paymentStandard = PaymentStandardDAL.PaymentStandardRepository.GetSingle(x => x.Title == paymentStandardView.TitleID
                    && x.TeacherType == paymentStandardView.TeacherType);

                if (paymentStandard != null)
                {
                    throw new Exception("已有相同的标准课酬设置，请勿重复设置。");
                }

                paymentStandard = new TP_PaymentStandard();
                paymentStandard.PaymentStandardID = Guid.NewGuid();
                SetNewStatus(paymentStandard);
                UnitOfWork.Add(paymentStandard);
            }
            else
            {
                paymentStandard = PaymentStandardDAL.PaymentStandardRepository.GetSingle(x => x.PaymentStandardID != paymentStandardView.PaymentStandardID
                    && x.Title == paymentStandardView.TitleID
                    && x.TeacherType == paymentStandardView.TeacherType);

                if (paymentStandard != null)
                {
                    throw new Exception("已有相同的标准课酬设置，请勿重复设置。");
                }
                paymentStandard = PaymentStandardDAL.PaymentStandardRepository.GetSingle(x => x.PaymentStandardID == paymentStandardView.PaymentStandardID);
                if (paymentStandard == null)
                {
                    throw new Exception("未能找到需要修改的数据，数据可能已被其他用户更改。");
                }
                SetModifyStatus(paymentStandard);
            }
            paymentStandard.Title = paymentStandardView.TitleID;
            paymentStandard.TeacherType = paymentStandardView.TeacherType;
            paymentStandard.Amount = paymentStandardView.Amount;
            UnitOfWork.Commit();
        }

        public void Delete(IList<Guid?> paymentStandardIDList)
        {
            if (paymentStandardIDList.Count > 0)
            {
                UnitOfWork.Delete<TP_PaymentStandard>(x => paymentStandardIDList.Contains(x.PaymentStandardID));
            }
        }
    }
}