using System;
using System.Windows.Controls;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;

namespace PRSDesktop
{
    public enum DeliveryFilter
    {
        UnAssigned,
        Booked,
        Open
    }

    /// <summary>
    ///     Interaction logic for DeliveryList.xaml
    /// </summary>
    public partial class DeliveryDock : UserControl, IDockPanel

    {
    public DeliveryDock()
    {
        InitializeComponent();
        Filter = DeliveryFilter.UnAssigned;
    }

    public DeliveryFilter Filter { get; set; }
    
    public void Setup()
    {
            
    }

    public void Refresh()
    {
        Deliveries.ItemsSource = null;

        if (Filter == DeliveryFilter.UnAssigned)
        {
            new Client<Delivery>().Load(
                new Filter<Delivery>(x => x.Assignment).NotLinkValid(),
                new SortOrder<Delivery>(x => x.Due),
                (d, e) => { Dispatcher.Invoke(() => { Deliveries.ItemsSource = d; }); }
            );
        }
        else if (Filter == DeliveryFilter.Booked)
        {
            new Client<Delivery>().Load(
                new Filter<Delivery>(x => x.Completed).IsEqualTo(DateTime.MinValue).And(x => x.Assignment).LinkValid(),
                new SortOrder<Delivery>(x => x.Due),
                (d, e) => { Dispatcher.Invoke(() => { Deliveries.ItemsSource = d; }); }
            );
        }
        else if (Filter == DeliveryFilter.Open)
        {
            var today = new Filter<Delivery>(x => x.Completed).IsEqualTo(DateTime.MinValue);
            today.Ors.Add(new Filter<Delivery>(x => x.Completed).IsGreaterThanOrEqualTo(DateTime.Today).And(x => x.Completed)
                .IsLessThan(DateTime.Today.AddDays(1)));
            new Client<Delivery>().Load(
                today,
                new SortOrder<Delivery>(x => x.Due),
                (d, e) => { Dispatcher.Invoke(() => { Deliveries.ItemsSource = d; }); }
            );
        }
    }

    //Point startpoint = new Point();

    //private void Deliveries_PreviewMouseDown(object sender, MouseButtonEventArgs e)
    //{
    //    if (e.LeftButton == MouseButtonState.Pressed)
    //        startpoint = e.GetPosition(null);
    //}

    //private void Deliveries_PreviewMouseMove(object sender, MouseEventArgs e)
    //{
    //    if (Deliveries.SelectedItem == null)
    //        return;
    //    Vector diff = startpoint - e.GetPosition(null);
    //    if (e.LeftButton == MouseButtonState.Pressed &&
    //      (Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance ||
    //       Math.Abs(diff.Y) > SystemParameters.MinimumVerticalDragDistance))
    //    {
    //        DataObject dragData = new DataObject("Delivery", Deliveries.SelectedItem);
    //        DragDrop.DoDragDrop(Deliveries, dragData, DragDropEffects.Copy);
    //    }
    //}

    //private void Deliveries_PreviewMouseUp(object sender, MouseButtonEventArgs e)
    //{
    //    startpoint = new Point();
    //}
    }
}