using Avalonia.Controls;
using Avalonia.Markup.Xaml;
using Lagerprogramm.Models;
using Lagerprogramm.ViewModels;
using Avalonia;
using System.Threading.Tasks;

namespace Lagerprogramm.Views;

public partial class DeductionsView : UserControl
{
    public DeductionsView()
    {
        InitializeComponent();
    }

    private DeductionsViewModel? ViewModel => DataContext as DeductionsViewModel;

    private async void OnSearchPart(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {
        if (ViewModel is null) return;
        var button = sender as Button;
        var line = button?.CommandParameter as TransactionLine;
        if (line is null) return;

        var window = TopLevel.GetTopLevel(this) as Window;
        if (window is null) return;
        var dialog = new PartSearchDialog();
        var selectedPart = await dialog.ShowPartSearch(ViewModel.AppData.Parts, window);
        if (selectedPart is not null)
            line.PartInternalNumber = selectedPart.InternalPartNumber;
    }

    private async void OnSearchDeduction(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {
        if (ViewModel is null) return;
        var window = TopLevel.GetTopLevel(this) as Window;
        if (window is null) return;
        var dialog = new DeductionSearchDialog();
        var selectedDeduction = await dialog.ShowDeductionSearch(ViewModel.Deductions, window);
        if (selectedDeduction is not null)
        {
            ViewModel.Date = selectedDeduction.Date;
            ViewModel.Customer = selectedDeduction.Customer;
            ViewModel.Comment = selectedDeduction.Comment;
            ViewModel.GenerateDeliveryNote = selectedDeduction.GenerateDeliveryNote;
            ViewModel.Lines.Clear();
            foreach (var l in selectedDeduction.Lines)
                ViewModel.Lines.Add(new TransactionLine { PartInternalNumber = l.PartInternalNumber, Quantity = l.Quantity });
        }
    }
}