using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.ComponentModel;
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;
using WGneu.Models;


namespace WGneu.Windows
{
    /// <summary>
    /// Interaktionslogik für Window1.xaml
    /// </summary>
    public partial class MemberListWindow : Window
    {
        private readonly WgContext _context = new WgContext();

        public MemberListWindow()
        {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Refresh_Member_Data();
        }

        protected override void OnClosing(CancelEventArgs e)
        {
            _context.Dispose();
            base.OnClosing(e);
        }

        private void MemberList_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            Member m = (Member) MemberList.SelectedItem;
            MgNr.Text = m.MgNr.ToString();
            GivenName.Text = m.GivenName;
            FamilyName.Text = m.FamilyName;

            AT_Plz? p = m.PostalDest.Plz(_context);
            if (p != null)
            {
                Plz.Text = p.Plz.ToString();

                var o = p.Orte(_context);
                Ort.ItemsSource = o;
                Ort.SelectedItem = p;
            }
            else
            {
                Ort.ItemsSource = null;
                Ort.SelectedItem = null;
            }
          

            Edit_Member.IsEnabled = true;
        }

        private void Plz_TextChanged(object sender, RoutedEventArgs e)
        {
            if (Plz.Text.Length == 4 && Plz.Text.All(char.IsDigit))
            {
                int plz = int.Parse(Plz.Text);
                var o = _context.Postleitzahlen.Where(p => p.Plz == plz).ToHashSet();
                Ort.ItemsSource = o;
                Ort.SelectedItem = null;
            }
        }

        private void Edit_Member_Button_Click(object sender, RoutedEventArgs e)
        {
            Member m = (Member)MemberList.SelectedItem;

            if (m == null) return;

            MemberEditWindow w = new MemberEditWindow(m, _context);
            w.Event += new EventHandler(Refresh_Member_Data_Event);
            w.Show();
        }

        private void Add_Member_Button_Click(object sender, RoutedEventArgs e)
        {
            MemberAddWindow w = new MemberAddWindow(_context);
            w.Event += new EventHandler(Refresh_Member_Data_Event);
            w.Show();
        }

        private void Refresh_Member_Data()
        {
            _context.Members.Load();
            MemberList.ItemsSource = _context.Members.ToList();
        }

        private void Refresh_Member_Data_Event(object sender, EventArgs e)
        {
            Refresh_Member_Data();
        }
    }
}