using Avalonia.Controls;
using LehrerApp.Core.Models;
using LehrerApp.Desktop.ViewModels.Groups;
using LehrerApp.Desktop.Views.Shared;

namespace LehrerApp.Desktop.Views.Groups;

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

    protected override void OnDataContextChanged(EventArgs e)
    {
        base.OnDataContextChanged(e);
        if (DataContext is SeatingPlanTabViewModel vm)
        {
            vm.OnEditPlan = ShowPlanDialog;
            vm.OnConfirmDelete = ShowDeleteConfirmDialog;
        }
    }

    private async Task<SeatingPlan?> ShowPlanDialog(SeatingPlan? plan)
    {
        if (DataContext is not SeatingPlanTabViewModel vm) return null;
        var dialogVm = vm.CreateDialogViewModel(plan);
        var dialog = new SeatingPlanDialog { DataContext = dialogVm };
        var owner = TopLevel.GetTopLevel(this) as Window;
        if (owner is null || !await dialog.ShowDialog<bool>(owner)) return null;
        return dialogVm.Result;
    }

    private async Task<bool> ShowDeleteConfirmDialog(SeatingPlanSummary plan)
    {
        var dialog = new ConfirmDialog
        {
            DataContext = new ConfirmDialogInfo
            {
                Title = "Sitzplan löschen?",
                Message = $"Der Sitzplan „{plan.Name}“ und seine Zuordnungen werden gelöscht.",
                ConfirmText = "Löschen",
            },
        };
        var owner = TopLevel.GetTopLevel(this) as Window;
        return owner is not null && await dialog.ShowDialog<bool>(owner);
    }
}