(function (window, document) {
  'use strict';

  function configFor(root) {
    try { return JSON.parse(root.getAttribute('data-identity-config') || '{}'); } catch (_) { return {}; }
  }

  function parseResponse(response) {
    var payload = response && (response.data !== undefined ? response.data : response.json);
    return payload && payload.data !== undefined ? payload.data : payload;
  }

  function errorMessage(error, fallback) {
    if (error && error.json) return error.json.message || fallback;
    return error && error.message ? error.message : fallback;
  }

  function init(root) {
    if (!root || root.dataset.identityBound === '1') return;
    root.dataset.identityBound = '1';

    var config = configFor(root);
    var template = root.querySelector('[data-auth-modal-template]');
    var runtime = window.AksrtModalRuntime;
    if (!template || !runtime || !window.AksrtRequest) return;

    function open() {
      runtime.open({
        html: template.innerHTML,
        kind: 'identity',
        className: 'aksrt-identity-modal-shell',
        mobileBottom: true,
        onContent: function (_, session) {
          var shell = session && session.shell;
          var form = shell && shell.querySelector('[data-auth-create]');
          if (!form) return;
          form.addEventListener('submit', function (event) {
            event.preventDefault();
            var input = form.querySelector('[name="evidence[]"]');
            var message = form.querySelector('[data-auth-message]');
            var button = form.querySelector('[type="submit"]');
            var files = input ? Array.prototype.slice.call(input.files || []) : [];
            if (files.length > 3) {
              if (message) message.textContent = '证明材料最多上传 3 张';
              return;
            }
            if (files.some(function (file) { return file.size > 2 * 1024 * 1024; })) {
              if (message) message.textContent = '单张证明材料不能超过 2MB';
              return;
            }

            if (button) button.disabled = true;
            if (message) message.textContent = '';
            window.AksrtRequest.request(config.restBase, {
              method: 'POST',
              credentials: 'same-origin',
              headers: { 'X-WP-Nonce': config.nonce || '' },
              body: new FormData(form),
            }).then(function (response) {
              var result = parseResponse(response);
              if (!result || result.success === false) throw new Error((result && result.message) || '申请提交失败，请稍后重试');
              if (message) message.textContent = '申请已提交，请耐心等待管理员审核。';
              var summary = root.querySelector('[data-auth-summary]');
              if (summary) {
                summary.replaceChildren();
                var pending = document.createElement('div');
                pending.className = 'c-red mb10';
                pending.textContent = '您的申请正在审核中，请耐心等待';
                var name = document.createElement('div');
                name.textContent = result.name || '';
                summary.appendChild(pending);
                summary.appendChild(name);
                if (result.description) {
                  var description = document.createElement('div');
                  description.className = 'muted-2-color mt10';
                  description.textContent = result.description;
                  summary.appendChild(description);
                }
                if (result.message) {
                  var applicationMessage = document.createElement('div');
                  applicationMessage.className = 'muted-2-color mt10';
                  applicationMessage.textContent = '申请说明：' + result.message;
                  summary.appendChild(applicationMessage);
                }
                (Array.isArray(result.evidence) ? result.evidence : []).forEach(function (item) {
                  if (!item || !item.url || !item.thumbnail_url) return;
                  var link = document.createElement('a');
                  link.href = item.url;
                  link.target = '_blank';
                  link.rel = 'noopener noreferrer';
                  var image = document.createElement('img');
                  image.src = item.thumbnail_url;
                  image.alt = '身份认证证明材料';
                  image.width = 64;
                  image.height = 64;
                  image.style.objectFit = 'cover';
                  image.style.borderRadius = '4px';
                  link.appendChild(image);
                  summary.appendChild(link);
                });
              }
              if (runtime.getActive && runtime.getActive() === shell) runtime.close('submit');
            }).catch(function (error) {
              if (message) message.textContent = errorMessage(error, '申请提交失败，请稍后重试');
            }).finally(function () {
              if (button) button.disabled = false;
            });
          });
        },
      });
    }

    root.querySelectorAll('[data-auth-modal-open]').forEach(function (button) {
      button.addEventListener('click', function (event) {
        event.preventDefault();
        open();
      });
    });
  }

  window.AKSRTUserCenterAuth = { init: init };
})(window, document);