export default class AutoButtonsByPositionComponent {
  constructor(options = {}) {
    this.listSelector = options.listSelector;
    this.hideOnFirstSelector = options.hideOnFirstSelector;
    this.hideOnLastSelector = options.hideOnLastSelector;

    this.run();
  }

  run() {
    const $list = $(this.listSelector);
    const hideOnFirst = this.hideOnFirstSelector;
    const hideOnLast = this.hideOnLastSelector;

    if ($list.length === 1) {
      const $item = $list.first();

      $item.find(hideOnFirst).hide();
      $item.find(hideOnLast).hide();
    } else {
      $list.each((idx, el) => {
        if (el.id === $list.first().attr("id")) {
          $(el).find(hideOnFirst).hide();
          $(el).find(hideOnLast).show();
        }
        else if (el.id === $list.last().attr("id")) {
          $(el).find(hideOnLast).hide();
          $(el).find(hideOnFirst).show();
        }
        else {
          $(el).find(hideOnLast).show();
          $(el).find(hideOnFirst).show();
        }
      });
    }
  }
}