namespace MauiControls;

public partial class MainPage : ContentPage
{
    public MainPage() => InitializeComponent();

    private void OnSubmitClicked(object sender, EventArgs e)
    {
        string name = NameEntry.Text?.Trim() ?? "";
        string email = EmailEntry.Text?.Trim() ?? "";
        string course = CoursePicker.SelectedItem?.ToString() ?? "";

        if (string.IsNullOrWhiteSpace(name))
        {
            StatusLabel.Text = "Please enter your name.";
            return;
        }
        if (!email.Contains('@') || !email.Contains('.'))
        {
            StatusLabel.Text = "Please enter a valid-looking email.";
            return;
        }
        if (string.IsNullOrEmpty(course))
        {
            StatusLabel.Text = "Please select a course.";
            return;
        }
        if (!ConsentSwitch.IsToggled)
        {
            StatusLabel.Text = "Please confirm your registration.";
            return;
        }
        StatusLabel.Text = $"Thanks, {name}! You selected {course}.";
    }
}