using CoreDatabase;
using CoreDatabase.Models.Department;
using DepartmentContract.BindingModels;
using DepartmentContract.Services.IGenericEntityService;
using DepartmentContract.ViewModels;
using Microsoft.EntityFrameworkCore;
using System;
using System.Linq;
using ToolsModule.ManagmentEntity;

namespace DepartmentDatabaseImplementation.Implementations.AbstractGenerticEntityService
{
    /// <summary>
    /// Реализация IStudentMarkPassedDisciplineService
    /// </summary>
    public class StudentMarkPassedDisciplineService :
        AbstractGenerticEntityService<StudentMarkPassedDisciplineGetBindingModel, StudentMarkPassedDisciplineSetBindingModel, StudentMarkPassedDiscipline, StudentMarkPassedDisciplineListViewModel, StudentMarkPassedDisciplineViewModel>,
        IStudentMarkPassedDisciplineService
    {
        protected override OperationResultModel AdditionalCheckingWhenAdding(DbContext context, StudentMarkPassedDisciplineSetBindingModel model) => OperationResultModel.Success(null);

        protected override OperationResultModel AdditionalCheckingWhenDeleting(DbContext context, StudentMarkPassedDiscipline entity, StudentMarkPassedDisciplineGetBindingModel model) => OperationResultModel.Success(null);

        protected override IQueryable<StudentMarkPassedDiscipline> AdditionalCheckingWhenReadingList(IQueryable<StudentMarkPassedDiscipline> query, StudentMarkPassedDisciplineGetBindingModel model)
        {
            if (model.DisciplineId.HasValue)
            {
                query = query.Where(x => x.DisciplineId == model.DisciplineId);
            }
            if (model.StudentId.HasValue)
            {
                query = query.Where(x => x.StudentId == model.StudentId);
            }
            if (model.StudentGroupId.HasValue)
            {
                query = query.Where(x => x.Student.StudentGroupId == model.StudentGroupId);
            }
            if (model.DateStart.HasValue && model.DateFinish.HasValue)
            {
                query = query.Where(x => x.DateAffixing >= model.DateStart.Value && x.DateAffixing <= model.DateFinish.Value);
            }
            return query;
        }

        protected override OperationResultModel AdditionalCheckingWhenUpdateing(DbContext context, StudentMarkPassedDisciplineSetBindingModel model) => OperationResultModel.Success(null);

        protected override void AdditionalDeleting(DbContext context, StudentMarkPassedDiscipline entity, StudentMarkPassedDisciplineGetBindingModel model)
        {
            throw new NotImplementedException();
        }

        protected override StudentMarkPassedDiscipline GetUniqueEntity(StudentMarkPassedDisciplineSetBindingModel model, IQueryable<StudentMarkPassedDiscipline> query) => query.FirstOrDefault(x => x.StudentId == model.StudentId && x.DisciplineId == model.DisciplineId &&
                                                                                                                            x.Semester == model.Semester && x.Mark == model.Mark && x.Id != model.Id);

        protected override IQueryable<StudentMarkPassedDiscipline> IncludingWhenReading(IQueryable<StudentMarkPassedDiscipline> query) => query
                .Include(x => x.Student)
                .Include(x => x.Discipline);

        protected override IQueryable<StudentMarkPassedDiscipline> OrderingWhenReading(IQueryable<StudentMarkPassedDiscipline> query) => query
            .OrderByDescending(x => x.Student)
            .ThenBy(x => x.DateAffixing);
    }
}