using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
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.Navigation;
using System.Windows.Shapes;

namespace Hotel_Course_Project
{
    /// <summary>
    /// Логика взаимодействия для StaffChangeOrAddPage.xaml
    /// </summary>
    public partial class StaffChangeOrAddPage : Page
    {
        public byte[] cotractImage;
        public string FilePath;
        public Staff _staff;
        public StaffChangeOrAddPage(Staff staff)
        {
            InitializeComponent();
            DataContext = staff;
            _staff = staff;
            if (DataContext != null)
            {
                SStaffRole.Text = staff.ToString();
                StaffChangeOrAddBtn.Content = "Изменить данные";
                this.Title = "Информация о сотруднике";
            }
            else
            {
                StaffChangeOrAddBtn.Content = "Добавить сотрудника";
                this.Title = "Окно добавления сотрудника";
            }
            SStaffRole.ItemsSource = DataBase.db.StaffRole.ToList();
            if (staff == null || staff.PhotoContract == null)
            {
            SContractPhoto.Source = new BitmapImage(new Uri("pack://application:,,,/Resources/no_picture.jpg"));
            }
        }

        private void StaffChangeOrAddBtn_Click(object sender, RoutedEventArgs e)
        {
            var existUser = DataBase.db.Staff.SingleOrDefault(item => item.Login == SLogin.Text);
            if (existUser != null && DataContext == null) 
            {
                MessageBox.Show("Такой логин уже имеется в базе данных");
                return;
            }
            else if (SLName.Text == null || SFName.Text == null || SLogin.Text == null || SPassword.Text == null || SContractPhoto == null)
            {
                MessageBox.Show("Ключевые поля не были заполнены");
                return;
            }
            else
            {
                if( DataContext == null)
                {
                    int numRole = DataBase.db.StaffRole.SingleOrDefault(item => item.Name == SStaffRole.Text).Id;
                    Staff staff = new Staff()
                    {
                        LName = SLName.Text,
                        FName = SFName.Text,
                        MName = SMName.Text,
                        Login = SLogin.Text,
                        Password = SPassword.Text,
                        Id_StaffRole = numRole,
                        PhotoContract = cotractImage,
                        Id_PersStatus = 1
                    };
                    DataBase.db.Staff.Add(staff);
                    var lastId = DataBase.db.Staff.OrderByDescending(item => item.Id).FirstOrDefault().Id;
                    DataBase.db.SaveChanges();                    
                }
                else
                {

                }
            }

        }

        private void StaffDeleteOrRestoreBtn_Click(object sender, RoutedEventArgs e)
        {

        }

        private void SContractPhoto_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            if (openFileDialog.ShowDialog() == true)
            {
                FilePath = openFileDialog.FileName;
                string uriString = $"{FilePath}";
                BitmapImage bitimage = new BitmapImage(new Uri(@uriString));
                SContractPhoto.Source = bitimage;
                cotractImage = SomeMethods.ConvertBitmapImageToByte(bitimage);
            }
            else
            {
                FilePath = string.Empty;
            }
        }
    }
}