using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using EmployeeManagmentContracts.BusinessLogicContracts;
using EmployeeManagmentContracts.ViewModels;

namespace EmployeeManagmentView.PhysicalPerson
{
    public partial class EditPhysicalPersonWindow : Window
    {
        private readonly IPhisicalPersonLogic _phisicalPersonLogic;
        private List<PhisicalPersonViewModel> _physicalPersons;

        public EditPhysicalPersonWindow(IPhisicalPersonLogic phisicalPersonLogic)
        {
            _phisicalPersonLogic = phisicalPersonLogic;
            InitializeComponent();
            LoadPhysicalPersons();
        }

        // Загрузка всех физ.лиц в ComboBox
        private void LoadPhysicalPersons()
        {
            _physicalPersons = _phisicalPersonLogic.GetFullList();
            PhysicalPersonComboBox.ItemsSource = _physicalPersons;
            PhysicalPersonComboBox.DisplayMemberPath = "FullNameWithBirthday";
            PhysicalPersonComboBox.SelectedValuePath = "Id";
        }

        // Событие при выборе физ.лица
        private void PhysicalPersonComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (PhysicalPersonComboBox.SelectedValue is int selectedPersonId)
            {
                LoadPerson(selectedPersonId);
            }
        }

        // Загрузка данных выбранного физ.лица в поля
        private void LoadPerson(int personId)
        {
            var person = _phisicalPersonLogic.GetElement(personId);
            if (person != null)
            {
                NameTextBox.Text = person.Name;
                SurnameTextBox.Text = person.Surname;
                PatronomicTextBox.Text = person.Patronymic;
                BirthdayPicker.SelectedDate = person.Birthday;
                GenderComboBox.Text = person.Gender;
                AddressTextBox.Text = person.Address;
                TelephoneTextBox.Text = person.Telephone;
            }
        }

        // Фильтрация списка физических лиц по всем полям
        private void SearchTextBox_TextChanged(object sender, TextChangedEventArgs e)
        {
            var searchText = SearchTextBox.Text.ToLower();
            var filteredPersons = _physicalPersons
                .Where(p => p.Name.ToLower().Contains(searchText) ||
                            p.Surname.ToLower().Contains(searchText) ||
                            p.Patronymic.ToLower().Contains(searchText) ||
                            p.Gender.ToLower().Contains(searchText) ||
                            p.Address.ToLower().Contains(searchText) ||
                            p.Telephone.ToLower().Contains(searchText) ||
                            p.Birthday.ToString("dd.MM.yyyy").Contains(searchText)  // Поиск по дате рождения
                ).ToList();

            PhysicalPersonComboBox.ItemsSource = filteredPersons;
        }

        private void SaveButton_Click(object sender, RoutedEventArgs e)
        {
            if (PhysicalPersonComboBox.SelectedValue is int selectedPersonId)
            {
                try
                {
                    var updatedPerson = new PhisicalPersonViewModel
                    {
                        Id = selectedPersonId,
                        Name = NameTextBox.Text,
                        Surname = SurnameTextBox.Text,
                        Patronymic = PatronomicTextBox.Text,
                        Birthday = BirthdayPicker.SelectedDate.Value.ToUniversalTime(),
                        Gender = GenderComboBox.Text,
                        Address = AddressTextBox.Text,
                        Telephone = TelephoneTextBox.Text
                    };

                    _phisicalPersonLogic.Update(updatedPerson);
                    MessageBox.Show("Данные успешно обновлены!");
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Ошибка: {ex.Message}");
                }
            }
            else
            {
                MessageBox.Show("Выберите физическое лицо перед сохранением!", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Warning);
            }
        }
    }
}