using Avalonia.Controls;
using Avalonia.Interactivity;
using Demka_Snova_1.Hardik.Conect;
using Demka_Snova_1.Hardik.Conect.Dao;
using Demka_Snova_1.OknaRoley;
using Microsoft.EntityFrameworkCore;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Demka_Snova_1.OknaFunciy;

public partial class SotrudnikiWindow : Window
{
    private List<SotrudnikDao> _sotrudnikiList;
    private List<historyDao> _activityList;
    private readonly AppDbContext _dbContext;

    public SotrudnikiWindow()
    {
        InitializeComponent();
        _dbContext = new AppDbContext();
        LoadSotrudnikiAsync().Wait(); 
        this.DataContext = this;
    }

    private async Task LoadSotrudnikiAsync() // асинхронная загрузка из БД
    {
        _sotrudnikiList = await _dbContext.sotrudnik.ToListAsync();
        this.FindControl<DataGrid>("SotrudnikiDataGrid").ItemsSource = _sotrudnikiList;
    }

    private void AddSotrudnik(object sender, RoutedEventArgs e)
    {
        var addWindow = new AddSotrudnikWindow();
        addWindow.Closed += (s, args) =>
        {
            if (addWindow.NewSotrudnik != null)
            {
                _sotrudnikiList.Add(addWindow.NewSotrudnik);
                this.FindControl<DataGrid>("SotrudnikiDataGrid").ItemsSource = null;
                this.FindControl<DataGrid>("SotrudnikiDataGrid").ItemsSource = _sotrudnikiList;
            }
        };
        addWindow.ShowDialog(this);
    }

    private void DeleteSotrudnik(object sender, RoutedEventArgs e)
    {
        var selectedSotrudnik = GetSelectedSotrudnik();
        if (selectedSotrudnik != null)
        {
            _sotrudnikiList.Remove(selectedSotrudnik);
            // Обновление DataGrid
            this.FindControl<DataGrid>("SotrudnikiDataGrid").ItemsSource = null;
            this.FindControl<DataGrid>("SotrudnikiDataGrid").ItemsSource = _sotrudnikiList;
        }
        else
        {
            ShowError("Выберите сотрудника для удаления.");
        }
    }

    private SotrudnikDao GetSelectedSotrudnik()
    {
        return this.FindControl<DataGrid>("SotrudnikiDataGrid").SelectedItem as SotrudnikDao;
    }

    private void ChangeRole(object sender, RoutedEventArgs e)
    {
        var selectedSotrudnik = GetSelectedSotrudnik();
        if (selectedSotrudnik != null)
        {
            var roleWindow = new ChangeRoleWindow(selectedSotrudnik);
            roleWindow.Closed += (s, args) =>
            {
                if (roleWindow.UpdatedSotrudnik != null) // для обновления списка сотруднеков
                {
                    var index = _sotrudnikiList.IndexOf(selectedSotrudnik);
                    _sotrudnikiList[index] = roleWindow.UpdatedSotrudnik;
                    this.FindControl<DataGrid>("SotrudnikiDataGrid").ItemsSource = null;
                    this.FindControl<DataGrid>("SotrudnikiDataGrid").ItemsSource = _sotrudnikiList;
                }
            };
            roleWindow.ShowDialog(this);
        }
        else
        {
            ShowError("Выберите сотрудника для изменения роли.");
        }
    }

    private void ViewActivity(object sender, RoutedEventArgs e) 
    {
        var activityWindow = new ActivityWindow(_activityList);
        activityWindow.ShowDialog(this);
    }

    private void Exitka(object sender, RoutedEventArgs e)
    {
        var login = new AdminWindow();
        login.Show();
        this.Close();
    }

    async void ShowError(string mes)
    {
        var dialog = new Window
        {
            Title = "Ошибка",
            Content = mes,
            Width = 300,
            Height = 200
        };
        await dialog.ShowDialog(this);
    }
}