using Avalonia.Controls;
using Avalonia.Input;
using LehrerApp.Core.Models;
using LehrerApp.Desktop.ViewModels.Students;

namespace LehrerApp.Desktop.Views.Students;

public partial class StudentDetailView : UserControl
{
    public StudentDetailView() => InitializeComponent();

    protected override void OnDataContextChanged(EventArgs e)
    {
        base.OnDataContextChanged(e);
        if (DataContext is not StudentDetailViewModel vm) return;
        vm.OnEditContact = ShowContactDialog;
        vm.OnViewAddress = ShowAddressViewer;
    }

    private async Task<Contact?> ShowContactDialog(Contact? contact)
    {
        var owner = TopLevel.GetTopLevel(this) as Window;
        if (owner is null) return null;

        var vm = new ContactEditDialogViewModel(contact);
        var dialog = new ContactEditDialog { DataContext = vm };
        var saved = await dialog.ShowDialog<bool>(owner);
        return saved ? vm.Result : null;
    }

    private void ShowAddressViewer(ContactItem contact)
    {
        if (!contact.HasAddress) return;
        var owner = TopLevel.GetTopLevel(this) as Window;
        var viewer = new AddressViewerWindow { DataContext = contact };
        if (owner is not null)
            viewer.Show(owner);
        else
            viewer.Show();
    }

    private void OnContactDoubleTapped(object? sender, TappedEventArgs e)
    {
        if (DataContext is StudentDetailViewModel vm &&
            vm.ViewSelectedAddressCommand.CanExecute(null))
            vm.ViewSelectedAddressCommand.Execute(null);
    }
}