using EmployeeManagmentContracts.BusinessLogicContracts;
using EmployeeManagmentContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace EmployeeManagmentView.Employee.Vacation
{
    /// <summary>
    /// Логика взаимодействия для EditVacationWindow.xaml
    /// </summary>
    public partial class EditVacationWindow : Window
    {
        private readonly IVacationLogic _vacationLogic; // Логика для работы с отпусками
        private readonly IEmployeeLogic _employeeLogic; // Логика для работы с сотрудниками
        private List<VacationViewModel> _vacations;
        private List<EmployeeViewModel> _employees; // Список сотрудников

        public EditVacationWindow(IVacationLogic vacationLogic, IEmployeeLogic employeeLogic)
        {
            _vacationLogic = vacationLogic;
            _employeeLogic = employeeLogic;
            InitializeComponent();
            LoadVacations();
        }

        private void LoadVacations()
        {
            _vacations = _vacationLogic.GetFullList();
            VacationComboBox.ItemsSource = _vacations;
            VacationComboBox.DisplayMemberPath = "EmployeeName";
            VacationComboBox.SelectedValuePath = "Id";
        }

        private void VacationComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (VacationComboBox.SelectedValue is int selectedVacationId)
            {
                LoadVacation(selectedVacationId);
            }
        }

        private void LoadVacation(int vacationId)
        {
            var vacation = _vacationLogic.GetElement(vacationId);
            if (vacation != null)
            {
                StartDatePicker.SelectedDate = vacation.StartData;
                EndDatePicker.SelectedDate = vacation.EndData;
                PassedCheckBox.IsChecked = vacation.Passed;

            }
            else
            {
                MessageBox.Show("Отпуск не найден", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        private void SearchTextBox_TextChanged(object sender, TextChangedEventArgs e)
        {
            var searchText = SearchTextBox.Text.ToLower();
            var filteredVacations = _vacations
                .Where(vac => vac.EmployeeName.ToLower().Contains(searchText))
                .ToList();

            VacationComboBox.ItemsSource = filteredVacations;
        }

        private void SaveButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                if (VacationComboBox.SelectedValue is int selectedVacationId)
                {
                    var updatedVacation = new VacationViewModel
                    {
                        Id = selectedVacationId,
                        StartData = StartDatePicker.SelectedDate.Value.ToUniversalTime(),
                        EndData = EndDatePicker.SelectedDate.Value.ToUniversalTime(),
                        Passed = PassedCheckBox.IsChecked ?? false,
                    };

                    _vacationLogic.Update(updatedVacation);

                    MessageBox.Show("Отпуск успешно обновлен!");
                    this.Close();
                }
                else
                {
                    MessageBox.Show("Выберите отпуск перед сохранением!", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Warning);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Ошибка при сохранении данных: {ex.Message}", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }
    }
}