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
{
    /// <summary>
    /// Логика взаимодействия для EditEmployeeWindow.xaml
    /// </summary>
    public partial class EditEmployeeWindow : Window
    {

        private readonly IEmployeeLogic _employeeLogic;
        private readonly IPhisicalPersonLogic _physicalPersonLogic;
        private List<EmployeeViewModel> _employees;

        public EditEmployeeWindow(IEmployeeLogic employeeLogic, IPhisicalPersonLogic physicalPersonLogic)
        {
            _employeeLogic = employeeLogic;
            _physicalPersonLogic = physicalPersonLogic;
            InitializeComponent();
            LoadEmployees();
            LoadPhysicalPersons();
        }

        private void LoadEmployees()
        {
            _employees = _employeeLogic.GetFullList();
            EmployeeComboBox.ItemsSource = _employees;
            EmployeeComboBox.DisplayMemberPath = "NameJob";
            EmployeeComboBox.SelectedValuePath = "Id";
        }

        private void LoadPhysicalPersons()
        {
            var physicalPersons = _physicalPersonLogic.GetFullList();
            PhysicalPersonComboBox.ItemsSource = physicalPersons;
            PhysicalPersonComboBox.DisplayMemberPath = "FullNameWithBirthday";
            PhysicalPersonComboBox.SelectedValuePath = "Id";
        }

        private void EmployeeComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (EmployeeComboBox.SelectedValue is int selectedEmployeeId)
            {
                LoadEmployee(selectedEmployeeId);
            }
        }

        private void LoadEmployee(int employeeId)
        {
            var employee = _employeeLogic.GetElement(employeeId);
            if (employee != null)
            {
                JobNameTextBox.Text = employee.NameJob;
                StartJobPicker.SelectedDate = employee.StartJob;
                EndJobPicker.SelectedDate = employee.EndJob;
                PartTimeTextBox.Text = employee.PartTimeJob;
                BidTextBox.Text = employee.Bid.ToString();
                PhysicalPersonComboBox.SelectedValue = employee.PhysicalPersonsId;
            }
        }

        private void SearchTextBox_TextChanged(object sender, TextChangedEventArgs e)
        {
            var searchText = SearchTextBox.Text.ToLower();
            var filteredEmployees = _employees
                .Where(emp => emp.NameJob.ToLower().Contains(searchText) ||
                              emp.PhysicalPersonName?.ToLower().Contains(searchText) == true)
                .ToList();

            EmployeeComboBox.ItemsSource = filteredEmployees;
        }

        private void SaveButton_Click(object sender, RoutedEventArgs e)
        {
            if (EmployeeComboBox.SelectedValue is int selectedEmployeeId)
            {
                try
                {
                    var updatedEmployee = new EmployeeViewModel
                    {
                        Id = selectedEmployeeId,
                        NameJob = JobNameTextBox.Text,
                        StartJob = StartJobPicker.SelectedDate,
                        EndJob = EndJobPicker.SelectedDate,
                        PartTimeJob = PartTimeTextBox.Text,
                        Bid = float.Parse(BidTextBox.Text),
                        PhysicalPersonsId = PhysicalPersonComboBox.SelectedValue as int?
                    };

                    _employeeLogic.Update(updatedEmployee);
                    MessageBox.Show("Данные успешно обновлены!");
                    this.Close();
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Ошибка: {ex.Message}");
                }
            }
            else
            {
                MessageBox.Show("Выберите сотрудника перед сохранением!", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Warning);
            }
        }
    }
}