using System;
using System.Collections.Generic;
using Demo.Data.Repository;
using Demo.Domain.Models;

namespace Demo.Domain.UseCases
{
    public class PresenceUseCase
    {
        private readonly IPresenceRepository _presenceRepository;

        public PresenceUseCase(IPresenceRepository presenceRepository) // Конструктор
        {
            _presenceRepository = presenceRepository;
        }

        public void GeneratePresence(int groupNumber, DateTime date)
        {
            var users = _presenceRepository.GetUsersByGroup(groupNumber);
            var presenceList = new List<LessonPresence>();

            foreach (var user in users)
            {
                // Создаем список посещаемости, по умолчанию все отмечены как присутствующие
                var lessons = new List<bool> { true, true, true }; // Пример, 3 занятия
                presenceList.Add(new LessonPresence(user.UserId, date, groupNumber, lessons));
            }

            _presenceRepository.SavePresence(presenceList);
        }

        public List<LessonPresence> GetPresenceByGroup(int groupNumber)
        {
            return _presenceRepository.GetPresenceByGroup(groupNumber);
        }

        public List<LessonPresence> GetPresenceByGroupAndDate(int groupNumber, DateTime date)
        {
            return _presenceRepository.GetPresenceByGroupAndDate(groupNumber, date);
        }

        public void MarkUserAbsent(Guid userId, int groupNumber, int lessonId, DateTime date)
        {
            _presenceRepository.MarkUserAbsent(userId, groupNumber, lessonId, date);
        }
    }
}