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.ViewModel;
using EMIS.ViewModel.ScoreManage;
using EMIS.DataLogic.ScoreManage;
using EMIS.Entities;

namespace EMIS.CommonLogic.ScoreManage
{
    public class ResitServices : BaseServices, IResitServices
    {
        public ResitDAL ResitDAL { get; set; }

        public IGridResultSet<ResitView> GetResitViewGrid(ConfiguretView conditionView, Guid? schoolyearID, Guid? examinationBatchID, 
            Guid? examinationTypeID, Guid? examinationProjectID, int? examinationSubjectID, int? schoolAreaID, Guid? collegeID, 
            int? yearID, int? standardID, Guid? classmajorID, int? pageIndex, int? pageSize)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => true);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<ER_ExaminationScore, bool>> scoreExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facutyExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Student, bool>> studentExp = (x => true);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examinationBatchID.HasValue)
            {
                batchExp = batchExp.And(x => x.ExaminationBatchID == examinationBatchID);
            }
            if (examinationTypeID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationTypeID == examinationTypeID);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (examinationSubjectID.HasValue)
            {
                scoreExp = scoreExp.And(x => x.ExaminationSubjectID == examinationSubjectID);
            }
            if (schoolAreaID.HasValue)
            {
                gradeExp = gradeExp.And(x => x.SchoolAreaID == schoolAreaID);
            }
            if (collegeID.HasValue)
            {
                facutyExp = facutyExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                gradeExp = gradeExp.And(x => x.SchoolyearID == yearID);
            }
            if (standardID.HasValue)
            {
                facutyExp = facutyExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                studentExp = studentExp.And(x => x.ClassmajorID == classmajorID);
            }

            var query = ResitDAL.GetResitViewQueryable(batchExp, projectExp, scoreExp, facutyExp, gradeExp, studentExp);

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

            var result = GetQueryByDataRangeByCollege(query);

            return this.GetQueryByAssistant(query, (x => x.ClassmajorID), this.GetQueryByDataRangeByCollege(result)).OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.ExaminationBatchName)
                .ThenBy(x => x.ExaminationTypeName)
                .ThenBy(x => x.ExaminationProjectName)
                .ThenBy(x => x.ClassmajorName)
                .ThenBy(x => x.ExaminationSubjectID)
                .ThenBy(x => x.UserName)
                .ToGridResultSet(pageIndex, pageSize);
        }

        public List<ResitView> GetResitViewList(ConfiguretView conditionView, Guid? schoolyearID, Guid? examinationBatchID, Guid? examinationTypeID, Guid? examinationProjectID, int? examinationSubjectID, int? schoolAreaID, Guid? collegeID, int? yearID, int? standardID, Guid? classmajorID)
        {
            Expression<Func<EX_ExaminationBatch, bool>> batchExp = (x => true);
            Expression<Func<EX_ExaminationProject, bool>> projectExp = (x => true);
            Expression<Func<ER_ExaminationScore, bool>> scoreExp = (x => true);
            Expression<Func<CF_Facultymajor, bool>> facutyExp = (x => true);
            Expression<Func<CF_Grademajor, bool>> gradeExp = (x => true);
            Expression<Func<CF_Student, bool>> studentExp = (x => true);

            if (schoolyearID.HasValue)
            {
                batchExp = batchExp.And(x => x.SchoolyearID == schoolyearID);
            }
            if (examinationBatchID.HasValue)
            {
                batchExp = batchExp.And(x => x.ExaminationBatchID == examinationBatchID);
            }
            if (examinationTypeID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationTypeID == examinationTypeID);
            }
            if (examinationProjectID.HasValue)
            {
                projectExp = projectExp.And(x => x.ExaminationProjectID == examinationProjectID);
            }
            if (examinationSubjectID.HasValue)
            {
                scoreExp = scoreExp.And(x => x.ExaminationSubjectID == examinationSubjectID);
            }
            if (schoolAreaID.HasValue)
            {
                gradeExp = gradeExp.And(x => x.SchoolAreaID == schoolAreaID);
            }
            if (collegeID.HasValue)
            {
                facutyExp = facutyExp.And(x => x.CollegeID == collegeID);
            }
            if (yearID.HasValue)
            {
                gradeExp = gradeExp.And(x => x.SchoolyearID == yearID);
            }
            if (standardID.HasValue)
            {
                facutyExp = facutyExp.And(x => x.StandardID == standardID);
            }
            if (classmajorID.HasValue)
            {
                studentExp = studentExp.And(x => x.ClassmajorID == classmajorID);
            }

            var query = ResitDAL.GetResitViewQueryable(batchExp, projectExp, scoreExp, facutyExp, gradeExp, studentExp);

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

            var result = GetQueryByDataRangeByCollege(query);

            return result.OrderByDescending(x => x.SchoolyearCode)
                .ThenBy(x => x.ExaminationBatchName)
                .ThenBy(x => x.ExaminationTypeName)
                .ThenBy(x => x.ExaminationProjectName)
                .ThenBy(x => x.ClassmajorName)
                .ThenBy(x => x.ExaminationSubjectID)
                .ThenBy(x => x.UserName)
                .ToList();
        }
    }
}