namespace Blahblah.FlowerApp;

public class AppContentPage : ContentPage
{
    protected static string L(string key, string defaultValue = "")
    {
        return LocalizationResource.GetText(key, defaultValue);
    }

    protected static Task<T?> FetchAsync<T>(string url, CancellationToken cancellation = default)
    {
        return Extensions.FetchAsync<T>(url, cancellation);
    }

    protected T GetValue<T>(BindableProperty property)
    {
        return (T)GetValue(property);
    }

    protected Task AlertError(string error)
    {
        return Alert(LocalizationResource.GetText("error", "Error"), error);
    }

    protected Task Alert(string title, string message, string? cancel = null)
    {
        cancel ??= LocalizationResource.GetText("ok", "Ok");

        if (MainThread.IsMainThread)
        {
            return DisplayAlert(title, message, cancel);
        }
        var taskSource = new TaskCompletionSource();
        MainThread.BeginInvokeOnMainThread(async () =>
        {
            await DisplayAlert(title, message, cancel);
            taskSource.TrySetResult();
        });
        return taskSource.Task;
    }

    protected Task<bool> Confirm(string title, string question, string? accept = null, string? cancel = null)
    {
        accept ??= LocalizationResource.GetText("yes", "Yes");
        cancel ??= LocalizationResource.GetText("no", "No");

        if (MainThread.IsMainThread)
        {
            return DisplayAlert(title, question, accept, cancel);
        }
        var taskSource = new TaskCompletionSource<bool>();
        MainThread.BeginInvokeOnMainThread(async () =>
        {
            var result = await DisplayAlert(title, question, accept, cancel);
            taskSource.TrySetResult(result);
        });
        return taskSource.Task;
    }
}