using Avalonia.Controls;
using Avalonia.Interactivity;
using System.Linq;
using data.RemoteData.RemoteDataBase;
using data.RemoteData.RemoteDataBase.DAO;
using Microsoft.EntityFrameworkCore;

namespace Presence
{
    public partial class AddOrEditUserWindow : Window
    {
        private readonly RemoteDatabaseContext _context;
        private readonly UserDAO? _userToEdit;

        public AddOrEditUserWindow()
        {
            InitializeComponent();
        }

        public AddOrEditUserWindow(RemoteDatabaseContext context, UserDAO? userToEdit = null) : this()
        {
            _context = context;
            _userToEdit = userToEdit;

            LoadGroups();

            if (_userToEdit != null)
            {
                FioTextBox.Text = _userToEdit.FIO;
                GroupComboBox.SelectedItem = _context.Groups.FirstOrDefault(g => g.Id == _userToEdit.GroupId);
            }
        }

        private void LoadGroups()
        {
            GroupComboBox.ItemsSource = _context.Groups.ToList();
        }

        private void SaveButton_Click(object sender, RoutedEventArgs e)
        {
            var fio = FioTextBox.Text?.Trim();
            var selectedGroup = GroupComboBox.SelectedItem as GroupDAO;

            if (string.IsNullOrWhiteSpace(fio) || selectedGroup == null)
                return;

            if (_userToEdit == null)
            {
                // Новый пользователь
                var newUser = new UserDAO
                {
                    FIO = fio,
                    GroupId = selectedGroup.Id
                };
                _context.Users.Add(newUser);
            }
            else
            {
                // Обновляем существующего пользователя
                _userToEdit.FIO = fio;
                _userToEdit.GroupId = selectedGroup.Id;

                if (_context.Entry(_userToEdit).State == EntityState.Detached)
                {
                    _context.Users.Attach(_userToEdit);
                }
                _context.Entry(_userToEdit).State = EntityState.Modified;
            }

            _context.SaveChanges();
            Close();
        }

        

    }
}