using presence.Data.LocalData.Entity;
using presence.Data.ReportsHistory;
using presence.Data.Repository;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace presence.Domain.UseCase
{
    public class UseCaseGeneratePresence
    {
        private readonly PresenceRepositoryImpl _presenceRepositoryImpl;
        private readonly GroupRepositoryImpl _groupRepositoryImpl;
        private readonly UserRepositoryImpl _userRepositoryImpl;

        public UseCaseGeneratePresence(PresenceRepositoryImpl repositoryImpl,
                                UserRepositoryImpl userRepositoryImpl,
                                GroupRepositoryImpl groupRepositoryImpl)
        {
            _presenceRepositoryImpl = repositoryImpl;
            _userRepositoryImpl = userRepositoryImpl;
            _groupRepositoryImpl = groupRepositoryImpl;
        }

        public void AddPrecence(int firstClass, int lastClass, int groupId, DateOnly date)
        {
            var users = _userRepositoryImpl.GetAllUser().Where(x => x.GroupID == groupId).ToList();
            List<PresenceLocalEntity> presence = new List<PresenceLocalEntity>();
            for (int i = firstClass; i < lastClass; i++)
            {
                foreach (var user in users)
                {
                    PresenceLocalEntity pres = new PresenceLocalEntity { LessonNumber = i, UserID = user.UserID, Date = date };
                }
            }
        }

        public void AddPresenceForWeek(int firstClass, int lastClass, int groupId, DateOnly startDate)
        {
            var users = _userRepositoryImpl.GetAllUser().Where(x => x.GroupID == groupId).ToList();
            List<PresenceLocalEntity> presence = new List<PresenceLocalEntity>();

            for (int dayOffset = 0; dayOffset < 7; dayOffset++)
            {
                DateOnly date = startDate.AddDays(dayOffset);

                for (int i = firstClass; i < lastClass; i++)
                {
                    foreach (var user in users)
                    {
                        PresenceLocalEntity pres = new PresenceLocalEntity
                        {
                            LessonNumber = i,
                            UserID = user.UserID,
                            Date = date
                        };
                        presence.Add(pres);
                    }
                }
            }
        }
    }
    

}