using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
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 olimp8
{
    /// <summary>
    /// Interaction logic for StaffWindow.xaml
    /// </summary>
    public partial class StaffWindow : Window
    {
        olimp_8Entities entities = new olimp_8Entities();
        public User currentUser { get; set; }
        public List<int> idUsers = new List<int>();
        ObservableCollection<User> UserCollection = new ObservableCollection<User>();
        public StaffWindow(string _login)
        {
            InitializeComponent();
            usersList.ItemsSource = entities.User.ToList();
            LoginLabel.Content = _login;
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            if (CurrentStaff.Items == null)
            {
                MessageBox.Show("Добавьте работников!");
                return;
            }
            else
            {
                string _numberStaff = RandomString(5);
                for (int i = 0; i < CurrentStaff.Items.Count; i++)
                {
                    StaffList newStaff = new StaffList
                    {
                        UserID = idUsers[i],
                        Number = _numberStaff
                    };
                    entities.StaffList.Add(newStaff);
                }
                entities.SaveChanges();
                MessageBox.Show("Команда #: " + _numberStaff + " добавлена!");
            }
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            idUsers.Clear();
            CurrentStaff.Items.Clear();
        }

        private void ListButton_Click(object sender, RoutedEventArgs e)
        {
            currentUser = (sender as Button).DataContext as User;

            if (CurrentStaff.Items.Contains(currentUser))
            {
                MessageBox.Show("Этот пользователь уже в списке!");
                return;
            }
            else
            {
                UserCollection.Add(currentUser);
                idUsers.Add(currentUser.IdUser);
                CurrentStaff.Items.Add(currentUser);
            }
        }
        private static Random random = new Random();
        public static string RandomString(int length)
        {
            const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
            return new string(Enumerable.Repeat(chars, length).Select(s => s[random.Next(s.Length)]).ToArray());
        }

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            string Login = Convert.ToString(LoginLabel.Content);
            MainWindow  mainWindow = new MainWindow(Login);
            mainWindow.Show();
            this.Hide();
        }

        private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            CreateStaffWindow createStaffWindow = new CreateStaffWindow();
            createStaffWindow.Show();

        }
    }
}