const { Gdk, Gtk } = imports.gi;

const CLICK_BRIGHTEN_AMOUNT = 0.13;

export function setupCursorHover(button) {
  const display = Gdk.Display.get_default();
  button.connect('enter-notify-event', () => {
    const cursor = Gdk.Cursor.new_from_name(display, 'pointer');
    button.get_window().set_cursor(cursor);
  });

  button.connect('leave-notify-event', () => {
    const cursor = Gdk.Cursor.new_from_name(display, 'default');
    button.get_window().set_cursor(cursor);
  });

}

export function setupCursorHoverAim(button) {
  button.connect('enter-notify-event', () => {
    const display = Gdk.Display.get_default();
    const cursor = Gdk.Cursor.new_from_name(display, 'crosshair');
    button.get_window().set_cursor(cursor);
  });

  button.connect('leave-notify-event', () => {
    const display = Gdk.Display.get_default();
    const cursor = Gdk.Cursor.new_from_name(display, 'default');
    button.get_window().set_cursor(cursor);
  });
}

export function setupCursorHoverGrab(button) {
  button.connect('enter-notify-event', () => {
    const display = Gdk.Display.get_default();
    const cursor = Gdk.Cursor.new_from_name(display, 'grab');
    button.get_window().set_cursor(cursor);
  });

  button.connect('leave-notify-event', () => {
    const display = Gdk.Display.get_default();
    const cursor = Gdk.Cursor.new_from_name(display, 'default');
    button.get_window().set_cursor(cursor);
  });
}

// failed radial ripple experiment
//
// var clicked = false;
// var dummy = false;
// var cursorX = 0;
// var cursorY = 0;
// const styleContext = button.get_style_context();
// var clickColor = styleContext.get_property('background-color', Gtk.StateFlags.HOVER);
// clickColor.green += CLICK_BRIGHTEN_AMOUNT;
// clickColor.blue += CLICK_BRIGHTEN_AMOUNT;
// clickColor.red += CLICK_BRIGHTEN_AMOUNT;
// clickColor = clickColor.to_string();
// button.add_events(Gdk.EventMask.POINTER_MOTION_MASK);
// button.connect('motion-notify-event', (widget, event) => {
//     [dummy, cursorX, cursorY] = event.get_coords(); // Get the mouse coordinates relative to the widget
//     if(!clicked) widget.css = `
//         background-image: radial-gradient(circle at ${cursorX}px ${cursorY}px, rgba(0,0,0,0), rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%, ${clickColor} 0%, ${clickColor} 0%, ${clickColor} 0%, ${clickColor} 0%, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%);
//     `;
// });

// button.connect('button-press-event', (widget, event) => {
//     clicked = true;
//     [dummy, cursorX, cursorY] = event.get_coords(); // Get the mouse coordinates relative to the widget
//     cursorX = Math.round(cursorX); cursorY = Math.round(cursorY);
//     widget.css = `
//         background-image: radial-gradient(circle at ${cursorX}px ${cursorY}px, rgba(0,0,0,0), rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%, ${clickColor} 0%, ${clickColor} 0%, ${clickColor} 0%, ${clickColor} 0%, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%);
//     `;
//     widget.toggleClassName('growingRadial', true);
//     widget.css = `
//         background-image: radial-gradient(circle at ${cursorX}px ${cursorY}px, rgba(0,0,0,0), rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%, ${clickColor} 0%, ${clickColor} 0%, ${clickColor} 70%, ${clickColor} 70%, rgba(0,0,0,0) 70%, rgba(0,0,0,0) 70%);
//     `
// });
// button.connect('button-release-event', (widget, event) => {
//     widget.toggleClassName('growingRadial', false);
//     widget.toggleClassName('fadingRadial', false);
//     widget.css = `
//     background-image: radial-gradient(circle at ${cursorX}px ${cursorY}px, rgba(0,0,0,0), rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 0%, rgba(0,0,0,0) 70%, rgba(0,0,0,0) 70%, rgba(0,0,0,0) 70%, rgba(0,0,0,0) 70%);
//     `
//     clicked = false;
// });