using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using EMIS.DataLogic.DQPSystem;
using Bowin.Common.Linq;
using Bowin.Common.Linq.Entity;
using EMIS.ViewModel.DQPSystem;
using EMIS.ViewModel;
using EMIS.Entities;
using EMIS.CommonLogic.SystemServices;
using EMIS.ViewModel.ScoreManage;
using EMIS.DataLogic.ScoreManage;

namespace EMIS.CommonLogic.DQPSystem
{
    public class SOCScoreServices : BaseServices, ISOCScoreServices
    {
        public SOCScoreDAL SOCScoreDAL { get; set; }
        public Lazy<IRoleServices> RoleServices { get; set; }
        public FinalExaminationDAL FinalExaminationDAL { get; set; }

        public IGridResultSet<SOCCourseScoreView> GetSOCCourseScoreViewList(ConfiguretView courseScoreConditionView, Guid? schoolyearID, Guid? collegeID, 
            int? year, int? standardID, Guid? classmajorID, Guid? coursematerialID, int? pageIndex, int? pageSize)
        {
            Expression<Func<DQP_SOC, bool>> socExp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Facultymajor, bool>> facultyExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classExp = (x => true);
            Expression<Func<DQP_SOCDetail, bool>> detailExp = (x => true);

            if (schoolyearID.HasValue)
            {
                socExp = socExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.CollegeID == collegeID);
            }
            if (year.HasValue)
            {
                gradeExp = gradeExp.And(x => x.GradeID == year);
            }
            if (standardID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                classExp = classExp.And(x => x.ClassmajorID == classmajorID);
            }
            if (coursematerialID.HasValue)
            {
                socExp = socExp.And(x => x.CoursematerialID == coursematerialID);
            }

            var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
            var role = RoleServices.Value.GetEnabledTeacherRoleViewList();
            var teacherRole = role.Where(x => x.RoleName == "教师");
            if (curUser.RoleID == teacherRole.FirstOrDefault().RoleID)
            {
                detailExp = detailExp.And(x => x.CreateUserID == curUser.UserID);
            }
            var query = SOCScoreDAL.GetSOCCourseScoreViewQueryable(socExp, detailExp, facultyExp, gradeExp, classExp);

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

            query = this.GetQueryByDataRangeByCollege(query);

            query = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.CourseCode)
                .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
                .ThenBy(x => x.ClassmajorNo.Length).ThenBy(x => x.ClassmajorNo)
                .ThenBy(x => x.LoginID)
                .ThenBy(x => x.CourseCode);

            return query.ToGridResultSet(pageIndex, pageSize);
        }

        public List<SOCCourseScoreView> GetSOCCourseScoreViewList(ConfiguretView courseScoreConditionView, Guid? schoolyearID, Guid? collegeID, 
            int? year, int? standardID, Guid? classmajorID, Guid? coursematerialID)
        {
            Expression<Func<DQP_SOC, bool>> socExp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Facultymajor, bool>> facultyExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classExp = (x => true);
            Expression<Func<DQP_SOCDetail, bool>> detailExp = (x => true);

            if (schoolyearID.HasValue)
            {
                socExp = socExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (collegeID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.CollegeID == collegeID);
            }
            if (year.HasValue)
            {
                gradeExp = gradeExp.And(x => x.GradeID == year);
            }
            if (standardID.HasValue)
            {
                facultyExp = facultyExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                classExp = classExp.And(x => x.ClassmajorID == classmajorID);
            }
            if (coursematerialID.HasValue)
            {
                socExp = socExp.And(x => x.CoursematerialID == coursematerialID);
            }

            var curUser = EMIS.Utility.FormValidate.CustomPrincipal.Current;
            var role = RoleServices.Value.GetEnabledTeacherRoleViewList();
            var teacherRole = role.Where(x => x.RoleName == "教师");
            if (curUser.RoleID == teacherRole.FirstOrDefault().RoleID)
            {
                detailExp = detailExp.And(x => x.CreateUserID == curUser.UserID);
            }
            var query = SOCScoreDAL.GetSOCCourseScoreViewQueryable(socExp, detailExp, facultyExp, gradeExp, classExp);

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

            query = this.GetQueryByDataRangeByCollege(query);

            query = query.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.CourseCode)
                .ThenBy(x => x.CollegeNo.Length).ThenBy(x => x.CollegeNo)
                .ThenBy(x => x.ClassmajorNo.Length).ThenBy(x => x.ClassmajorNo)
                .ThenBy(x => x.LoginID)
                .ThenBy(x => x.CourseCode);

            return query.ToList();
        }

        public List<SOCCourseScoreView> GetScoreBySOCScore(Guid? finalExaminationID)
        {
            Expression<Func<DQP_SOC, bool>> socExp = (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            Expression<Func<CF_Facultymajor, bool>> facultyExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Classmajor, bool>> classExp = (x => true);
            Expression<Func<DQP_SOCDetail, bool>> detailExp = (x => true);

            var final = FinalExaminationDAL.finalExaminationRepository.GetSingle(x => x.FinalExaminationID == finalExaminationID, (x => x.ER_FinalExaminationStudent));

            if (final != null)
            {
                socExp = socExp.And(x => x.SchoolyearID == final.SchoolyearID);
                socExp = socExp.And(x => x.CoursematerialID == final.CoursematerialID);
                socExp = socExp.And(x => x.DepartmentID == final.DepartmentID);
                if (final.HandleModeID.HasValue)
                {
                    socExp = socExp.And(x => x.HandleModeID == final.HandleModeID);
                }
                //socExp = socExp.And(x => x.OptionalCourseTypeID == final);
                var query = SOCScoreDAL.GetSOCCourseScoreViewQueryable(socExp, detailExp, facultyExp, gradeExp, classExp);

                var studentIDList = final.ER_FinalExaminationStudent.Select(x => x.UserID).ToList();

                query = query.Where(x => studentIDList.Contains(x.UserID) && x.TotalScore != null);

                return query.ToList();
            }
            else
            {
                return new List<SOCCourseScoreView>();
            }

        }
    }
}