// Copyright (c) 2026 Dominic Masters
//
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

// Gamepad/keyboard-only for now -- no mouse support exists in the input
// system yet. Something else (e.g. a future Menu widget) is responsible
// for moving `highlighted` between multiple buttons; a Button only knows
// how to fire onSelect() when ACCEPT is pressed while it's the highlighted
// one.
class Button extends UIElement {
  init() {
    this.background = new Rectangle();
    this.background.width = 120;
    this.background.height = 32;
    this.background.color = Button.COLOR_NORMAL;
    this.add(this.background);

    this.label = new Label();
    this.label.x = 8;
    this.label.y = 8;
    this.add(this.label);

    this.highlighted = false;
    this.onSelect = null;
  }

  get text() { return this.label.text; }
  set text(value) { this.label.text = value; }

  setHighlighted(highlighted) {
    this.highlighted = highlighted;
    this.background.color = highlighted
      ? Button.COLOR_HIGHLIGHTED
      : Button.COLOR_NORMAL;
  }

  update() {
    this.updateChildren();
    if(this.highlighted && Input.pressed(InputBind.ACCEPT) && this.onSelect) {
      this.onSelect();
    }
  }
}

Button.COLOR_NORMAL = { r: 255, g: 255, b: 255, a: 255 };
Button.COLOR_HIGHLIGHTED = { r: 255, g: 0, b: 0, a: 255 };

module.exports = Button;