using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.ViewModel;
using System.Linq.Expressions;
using EMIS.Entities;
using EMIS.DataLogic.Repositories;
using EMIS.ViewModel.DQPSystem;
using EMIS.ViewModel.CultureplanManage;

namespace EMIS.DataLogic.DQPSystem
{
    public class SOCTemplateDAL
    {
        public SOCTemplateDetailRepository SOCTemplateDetailRepository { get; set; }
        public SOCTemplateRepository SOCTemplateRepository { get; set; }
        public FacultymajorRepository facultymajorRepository { get; set; }
        public CoursematerialRepository coursematerialRepository { get; set; }
        public SpecialtyCourseRepository specialtyCourseRepository { get; set; }
        public DepartmentRepository departmentRepository { get; set; }
        public SOCTemplateDetailAttachmentRepository SOCTemplateDetailAttachmentRepository { get; set; }
        public DictionaryItemRepository dictionaryItemRepository { get; set; }
        //public FacultymajorRepository facultymajorRepository { get; set; }

        public IQueryable<FileUploadView> GetFileUploadViewQueryable(Expression<Func<DQP_SOCTemplateDetail, bool>> exp)
        {
            var sql = (from detail in SOCTemplateDetailRepository.GetList(exp)
                       from attachment in detail.DQP_SOCTemplateDetailAttachment
                       select new FileUploadView
                       {
                           FileID = attachment.SOCTemplateDetailAttachmentID,
                           FormID = attachment.SOCTemplateItemID,
                           FileUrl = attachment.Url,
                           FileName = attachment.Name
                       });

            return sql;
        }

        public IQueryable<SOCTemplateView> GetSOCTemplateViewQueryable(Expression<Func<DQP_SOCTemplate, bool>> exp, Expression<Func<CF_Facultymajor, bool>> facexp)
        {
            var query = from templ in SOCTemplateRepository.GetList(exp)
                        join dep in departmentRepository.Entities
                        on templ.DepartmentID equals dep.DepartmentID
                        join fac in facultymajorRepository.GetList(facexp)
                        on templ.FacultymajorID equals fac.FacultymajorID
                        into dfac
                        from facde in dfac.DefaultIfEmpty()
                        join cou in coursematerialRepository.Entities
                        on templ.CoursematerialID equals cou.CoursematerialID
                        //join spc in specialtyCourseRepository.Entities
                        //on new { templ.CoursematerialID, templ.DepartmentID } equals new { spc.CoursematerialID, spc.DepartmentID }
                        select new SOCTemplateView
                        {
                            SOCTemplateID = templ.SOCTemplateID,
                            StandardID = facde.StandardID,
                            FacultymajorID = facde.FacultymajorID,
                            FacultymajorName = facde.Name,
                            EducationID = facde.EducationID,
                            LearningformID = facde.LearningformID,
                            LearnSystem = facde.LearnSystem,
                            CoursematerialID = templ.CoursematerialID,
                            CourseCode = cou.CourseCode,
                            CourseName = cou.CourseName,
                            Credit = templ.Credit,
                            SchoolyearNumID = templ.SchoolyearNumID,
                            SchoolcodeID = templ.SchoolcodeID,
                            DepartmentID = templ.DepartmentID,
                            DepartmentCode = dep.No,
                            IsEnable = templ.RecordStatus == 1 ? true : false,
                            DepartmentName = dep.Name,
                            RecordStatus = templ.RecordStatus,
                            SOCCount = templ.DQP_SOCTemplateDetail.Count,
                            HandleModeID = templ.HandleModeID,
                            OptionalCourseTypeID = templ.OptionalCourseTypeID
                        };
            return query;
        }

        public IQueryable<SOCTemplateDetailView> GetSOCTemplateDetailViewByIDQueryable(Expression<Func<DQP_SOCTemplateDetail, bool>> exp)
        {
            var query = from detail in SOCTemplateDetailRepository.GetList(exp)
                        //join att in SOCTemplateDetailAttachmentRepository.Entities
                        //on detail.SOCTemplateItemID equals att.SOCTemplateItemID
                        //into deatt
                        //from gatt in deatt.DefaultIfEmpty()
                        select new SOCTemplateDetailView
                        {
                            SOCTemplateItemID = detail.SOCTemplateItemID,
                            SOCTemplateID = detail.SOCTemplateID,
                            Name = detail.Name,
                            Credit = detail.Credit,
                            Weight = detail.Weight,
                            Description = detail.Description,
                            AttachmentList = detail.DQP_SOCTemplateDetailAttachment,
                            IsGroup = detail.IsGroup,
                        };
            return query;

        }

        public IQueryable<SpecialtyCourseView> GetSpecialtyCourseViewQueryable(Expression<Func<EM_SpecialtyCourse, bool>> exp, Expression<Func<CF_Facultymajor, bool>> facexp)
        {
            var query = from a in specialtyCourseRepository.GetList(exp)
                        join fac in facultymajorRepository.GetList(facexp)
                        on new { a.CF_Department.CollegeID, a.CF_Specialty.StandardID } equals new { fac.CollegeID, fac.StandardID }
                        join d in dictionaryItemRepository.Entities.Where(x => x.DictionaryCode == typeof(CF_Standard).Name) on a.CF_Specialty.StandardID equals d.Value
                        select new SpecialtyCourseView
                        {
                            SpecialtyCourseID = a.SpecialtyCourseID,
                            FacultymajorID = fac.FacultymajorID,
                            DepartmentID = a.DepartmentID,
                            DepartmentCode = a.CF_Department.No,
                            DepartmentName = a.CF_Department.Name,
                            CourseStructureID = a.CourseStructureID,
                            CourseCategoryID = a.CourseCategoryID,
                            CourseTypeID = a.CourseTypeID,
                            CourseQualityID = a.CourseQualityID,
                            PracticeTypeID = a.PracticeTypeID,
                            ExaminationModeID = a.ExaminationModeID,
                            TeachinglanguageID = a.TeachinglanguageID,
                            SchoolyearNumID = (a.StarttermID % 2) == 0 ? (a.StarttermID / 2) : (a.StarttermID / 2) + 1,
                            SchoolcodeID = (a.StarttermID % 2) == 0 ? 1 : 2,
                            StarttermID = a.StarttermID,
                            CourseFineID = a.CourseFineID,
                            IsSpecialtycore = a.IsSpecialtycore ?? true,
                            IsCooperation = a.IsCooperation ?? true,
                            IsRequired = a.IsRequired ?? true,
                            IsElective = a.IsElective ?? true,
                            IsNetworkCourse = a.IsNetworkCourse ?? true,
                            IsMainCourse = a.IsMainCourse ?? true,
                            IsEnable = a.IsEnable ?? true,
                            Credit = a.EM_SpecialtyCourseTeachingSetting.Credit ?? 0,
                            TheoryCourse = a.EM_SpecialtyCourseTeachingSetting.TheoryCourse,
                            Practicehours = a.EM_SpecialtyCourseTeachingSetting.Practicehours,
                            Trialhours = a.EM_SpecialtyCourseTeachingSetting.Trialhours,
                            Totalhours = (a.EM_SpecialtyCourseTeachingSetting.TheoryCourse + a.EM_SpecialtyCourseTeachingSetting.Practicehours),
                            WeeklyNum = a.EM_SpecialtyCourseTeachingSetting.WeeklyNum,
                            TheoryWeeklyNum = a.EM_SpecialtyCourseTeachingSetting.TheoryWeeklyNum,
                            PracticeWeeklyNum = a.EM_SpecialtyCourseTeachingSetting.PracticeWeeklyNum,
                            TrialWeeklyNum = a.EM_SpecialtyCourseTeachingSetting.TrialWeeklyNum,
                            SchoolweeksNum = (a.EM_SpecialtyCourseTeachingSetting.TheoryWeeklyNum + a.EM_SpecialtyCourseTeachingSetting.PracticeWeeklyNum),
                            StartWeeklyNum = a.EM_SpecialtyCourseTeachingSetting.StartWeeklyNum,
                            EndWeeklyNum = a.EM_SpecialtyCourseTeachingSetting.EndWeeklyNum,
                            SpecialtyID = a.CF_Specialty.SpecialtyID,
                            StandardID = a.CF_Specialty.StandardID,
                            LearnSystem = a.CF_Specialty.LearnSystem,
                            EducationID = a.CF_Specialty.EducationID,
                            LearningformID = a.CF_Specialty.LearningformID,
                            CoursematerialID = a.EM_Coursematerial.CoursematerialID,
                            CourseCode = a.EM_Coursematerial.CourseCode,
                            CourseName = a.EM_Coursematerial.CourseName,
                            WeeklyHours = a.EM_SpecialtyCourseTeachingSetting.WeeklyHours,
                            ResultTypeID = a.ResultTypeID,
                            CreateTime = a.CreateTime,
                            CreateUserID = a.CreateUserID
                        };
            return query;
        }
    }
}