/**
 * Reward (打赏) — per-user QR modal openers.
 *
 * @package AKSRT
 */
;(function () {
  'use strict';

  function initReward() {
    function closeAll() {
      document.querySelectorAll('.reward-modal.is-open').forEach(function (m) {
        m.classList.remove('is-open');
        m.setAttribute('aria-hidden', 'true');
      });
      document.body.style.overflow = '';
    }

    function openForUser(userId) {
      var id = String(userId || '');
      var modal = id
        ? document.getElementById('reward-modal-' + id)
        : document.querySelector('.reward-modal');
      if (!modal) return;
      closeAll();
      modal.classList.add('is-open');
      modal.setAttribute('aria-hidden', 'false');
      document.body.style.overflow = 'hidden';
    }

    document.querySelectorAll('[data-aksrt-reward-open]').forEach(function (el) {
      el.addEventListener('click', function (e) {
        e.preventDefault();
        openForUser(el.getAttribute('data-user-id') || '');
      });
    });

    document.querySelectorAll('[data-aksrt-reward-close]').forEach(function (el) {
      el.addEventListener('click', function (e) {
        e.preventDefault();
        closeAll();
      });
    });

    document.addEventListener('keydown', function (e) {
      if (e.key === 'Escape') closeAll();
    });
  }

  if (window.AksrtFrontend && typeof window.AksrtFrontend.register === 'function') {
    window.AksrtFrontend.register('aksrt-reward', function () {
      initReward();
    });
  } else if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', initReward);
  } else {
    initReward();
  }
})();