using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using EMIS.DataLogic.Repositories;
using EMIS.Entities;
using EMIS.ViewModel.DegreeManage.DegreeSetting;

namespace EMIS.DataLogic.DegreeManage.DegreeSetting
{
    public class DegreeConditionPackageDAL
    {
        public DegreeConditionPackageRepository DegreeConditionPackageRepository { get; set; }
        public DegreeConditionRepository DegreeConditionRepository { get; set; }
        public DegreeApplyRepository DegreeApplyRepository { get; set; }
        
        /// <summary>
        /// 查询对应的学位公式信息View（只查询学位公式信息，不查询学位公式对应的学位条件）
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<DegreeConditionPackageView> GetDegreeConditionPackageViewQueryable(Expression<Func<ER_DegreeConditionPackage, bool>> exp)
        {
            var query = from dp in DegreeConditionPackageRepository.GetList(exp)
                        select new DegreeConditionPackageView
                        {
                            DegreeConditionPackageID = dp.DegreeConditionPackageID,
                            Title = dp.Title,
                            StudentTypeID = dp.StudentType,
                            IsDefault = dp.IsDefault.Value,
                            IsEnable = dp.RecordStatus.Value > 0 ? true : false,
                            RecordStatus = dp.RecordStatus,
                            CreateUserID = dp.CreateUserID,
                            CreateTime = dp.CreateTime,
                            ModifyUserID = dp.ModifyUserID,
                            ModifyTime = dp.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询学位公式中对应的学位条件信息View（DegreeConditionView）
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public IQueryable<DegreeConditionView> GetDegreeConditionQueryable(Expression<Func<ER_DegreeConditionPackage, bool>> exp)
        {
            var query = from dp in DegreeConditionPackageRepository.GetList(exp)
                        from dc in dp.ER_DegreeCondition
                        select new DegreeConditionView
                        {
                            DegreeConditionID = dc.DegreeConditionID,
                            OrderNo = dc.OrderNo,
                            Title = dc.Title,
                            MethodFullName = dc.MethodFullName,
                            IsEnable = dc.RecordStatus.Value > 0 ? true : false,
                            RecordStatus = dc.RecordStatus,
                            CreateUserID = dc.CreateUserID,
                            CreateTime = dc.CreateTime,
                            ModifyUserID = dc.ModifyUserID,
                            ModifyTime = dc.ModifyTime
                        };

            return query;
        }

        /// <summary>
        /// 查询学位公式中未存在的学位条件信息View（DegreeConditionView）
        /// </summary>
        /// <param name="expDegreeCondition"></param>
        /// <param name="degreeConditionPackageID"></param>
        /// <returns></returns>
        public IQueryable<DegreeConditionView> GetDegreeConditionNoQueryable(Expression<Func<ER_DegreeCondition, bool>> expDegreeCondition, 
                Guid? degreeConditionPackageID)
        {
            var query = from dc in DegreeConditionRepository.GetList(expDegreeCondition)
                        from dp in dc.ER_DegreeConditionPackage
                            .Where(x => x.DegreeConditionPackageID == degreeConditionPackageID).DefaultIfEmpty()
                        where !dp.ER_DegreeCondition.Contains(dc)
                        select new DegreeConditionView
                        {
                            DegreeConditionID = dc.DegreeConditionID,
                            OrderNo = dc.OrderNo,
                            Title = dc.Title,
                            MethodFullName = dc.MethodFullName,
                            IsEnable = dc.RecordStatus.Value > 0 ? true : false,
                            RecordStatus = dc.RecordStatus,
                            CreateUserID = dc.CreateUserID,
                            CreateTime = dc.CreateTime,
                            ModifyUserID = dc.ModifyUserID,
                            ModifyTime = dc.ModifyTime
                        };

            return query;
        }

    }
}