/**
 * AKSRT Page Admin Set — 前端页面编辑弹窗提交（后台「扩展&增强 → 系统工具」）。
 *
 * 弹窗内容由 PageAdminSet::ajax_modal() 经 aksrt-modal-runtime 注入，
 * 这里只负责表单提交：序列化 → admin-ajax → 成功后刷新页面。
 *
 * @package AKSRT
 */
(function (window, document) {
  'use strict';

  function notify(message, type) {
    if (typeof window.notyf === 'function') {
      window.notyf(message, type || 'error', 4, 'aksrt-page-admin-set-toast');
    }
  }

  document.addEventListener('submit', function (event) {
    var form = event.target.closest('form.aksrt-admin-set-form');
    if (!form) return;
    event.preventDefault();

    var submitButton = form.querySelector('.aksrt-admin-set-submit');
    if (submitButton && submitButton.disabled) return;
    if (submitButton) submitButton.disabled = true;

    var action = (form.querySelector('input[name="action"]') || {}).value || '';
    var ajaxUrl = (window.aksrtData && window.aksrtData.ajaxUrl) || (window._win && window._win.ajax_url) || '';
    if (!ajaxUrl) {
      notify('请求地址缺失', 'error');
      if (submitButton) submitButton.disabled = false;
      return;
    }

    var url = ajaxUrl + (ajaxUrl.indexOf('?') === -1 ? '?' : '&') + 'action=' + encodeURIComponent(action);
    fetch(url, {
      method: 'POST',
      credentials: 'same-origin',
      body: new FormData(form),
    })
      .then(function (response) {
        return response.json().catch(function () { return {}; }).then(function (payload) {
          if (!response.ok || !payload || !payload.success) {
            throw new Error((payload && payload.data && payload.data.msg) || '保存失败，请重试');
          }
          return payload;
        });
      })
      .then(function (payload) {
        var data = payload.data || {};
        notify(data.msg || '保存成功', 'success');
        if (data.reload !== false) {
          window.setTimeout(function () { window.location.reload(); }, 600);
        } else if (submitButton) {
          submitButton.disabled = false;
        }
      })
      .catch(function (error) {
        notify(error.message || '保存失败，请重试', 'error');
        if (submitButton) submitButton.disabled = false;
      });
  });
})(window, document);