/**
 * User auth apply form AJAX.
 *
 * @package AKSRT
 */
(function () {
  'use strict';

  function ajaxUrl() {
    if (window.aksrtData && window.aksrtData.ajaxUrl) return window.aksrtData.ajaxUrl;
    return '/wp-admin/admin-ajax.php';
  }

  function toast(msg, type) {
    if (window.aksrt && typeof window.aksrt.toast === 'function') {
      window.aksrt.toast(msg, type || 'info');
      return;
    }
    // eslint-disable-next-line no-alert
    window.alert(msg);
  }

  function init() {
    var form = document.querySelector('.aksrt-user-auth-form');
    if (!form) return;

    form.addEventListener('submit', function (e) {
      e.preventDefault();
      var btn = form.querySelector('button[type="submit"]');
      if (btn) btn.disabled = true;
      var fd = new FormData(form);
      if (!fd.get('action')) fd.set('action', 'aksrt_user_auth_apply');

      fetch(ajaxUrl(), {
        method: 'POST',
        body: fd,
        credentials: 'same-origin',
      })
        .then(function (r) { return r.json(); })
        .then(function (data) {
          if (!data || data.error) {
            toast((data && data.msg) || '提交失败', 'danger');
            return;
          }
          toast(data.msg || '提交成功', 'success');
          if (data.reload) {
            window.setTimeout(function () { window.location.reload(); }, 500);
          }
        })
        .catch(function () {
          toast('网络错误', 'danger');
        })
        .finally(function () {
          if (btn) btn.disabled = false;
        });
    });
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', init);
  } else {
    init();
  }
})();