(function (root, factory) {
  // 个人资料模块同时支持浏览器页面和 Node 测试。
  if (typeof module === 'object' && module.exports) {
    module.exports = factory(root);
    return;
  }

  root.ProfilePages = factory(root);
  if (root.document) {
    root.document.addEventListener('DOMContentLoaded', function () {
      root.ProfilePages.init();
    });
  }
})(typeof globalThis !== 'undefined' ? globalThis : window, function (root) {
  'use strict';

  var documentRef = root.document;

  function pick(item, keys, fallback) {
    // 后端资料字段可能有 nickName、userName、phone 等不同名称，按优先级取值。
    var source = item || {};
    var index;
    var value;

    for (index = 0; index < keys.length; index += 1) {
      value = source[keys[index]];
      if (value !== undefined && value !== null && value !== '') return value;
    }

    return fallback || '';
  }

  function trimOrUndefined(value) {
    var text = value === undefined || value === null ? '' : String(value).trim();
    return text || undefined;
  }

  function toNumberOrUndefined(value) {
    var text = trimOrUndefined(value);
    var numberValue;

    if (!text) return undefined;

    numberValue = Number(text);
    return Number.isNaN(numberValue) ? undefined : numberValue;
  }

  function getAvatarText(profile) {
    // 头像字只取展示名第一个字符，避免接口没有头像时页面空白。
    var displayName = pick(profile, ['nickName', 'userName', 'phone'], '家');
    return String(displayName).charAt(0) || '家';
  }

  function buildRegionText(profile) {
    var parts = [
      profile && profile.provinceCode,
      profile && profile.cityCode,
      profile && profile.districtCode
    ].filter(Boolean);

    return parts.length ? parts.join(' / ') : '待填写';
  }

  function buildProfileView(profile) {
    // 页面展示模型和接口返回分开，后续改文案不影响接口契约。
    return {
      displayName: pick(profile, ['nickName', 'userName', 'phone'], '未设置昵称'),
      avatarText: getAvatarText(profile),
      phone: pick(profile, ['phone', 'phonenumber', 'mobile'], '未绑定'),
      sex: pick(profile, ['sex'], '待填写'),
      birthday: pick(profile, ['birthday'], '待填写'),
      regionText: buildRegionText(profile || {})
    };
  }

  function buildProfileUpdateBody(values) {
    // 字段名称严格对应 PC YAML 里的 ProfileUpdateBody。
    var source = values || {};

    return {
      nickName: trimOrUndefined(source.nickName),
      avatarOssId: toNumberOrUndefined(source.avatarOssId),
      sex: trimOrUndefined(source.sex),
      birthday: trimOrUndefined(source.birthday),
      provinceCode: trimOrUndefined(source.provinceCode),
      cityCode: trimOrUndefined(source.cityCode),
      districtCode: trimOrUndefined(source.districtCode)
    };
  }

  function getApi() {
    return root.GenealogyApi && root.GenealogyApi.defaultClient;
  }

  function query(selector, rootNode) {
    if (!documentRef) return null;
    return (rootNode || documentRef).querySelector(selector);
  }

  function queryAll(selector, rootNode) {
    if (!documentRef) return [];
    return Array.prototype.slice.call((rootNode || documentRef).querySelectorAll(selector));
  }

  function showMessage(message) {
    if (root.layui && root.layui.layer) {
      root.layui.layer.msg(message);
      return;
    }

    if (root.alert) {
      root.alert(message);
    }
  }

  function setStatus(form, message) {
    var statusNode = query('[data-profile-status]', form);

    if (statusNode) {
      statusNode.textContent = message || '';
    }
  }

  function setSubmitting(form, isSubmitting) {
    queryAll('button[type="submit"]', form).forEach(function (button) {
      button.disabled = isSubmitting;
    });
  }

  function renderProfile(view) {
    // 所有资料展示点用 data-profile-text 标记，避免按中文文案查找节点。
    queryAll('[data-profile-text]').forEach(function (node) {
      var key = node.getAttribute('data-profile-text');
      var value = view[key];

      if (value !== undefined && value !== null && value !== '') {
        node.textContent = value;
      }
    });
  }

  function getFormValues(form) {
    var values = {};

    queryAll('[name]', form).forEach(function (field) {
      values[field.name] = field.value;
    });

    return values;
  }

  function fillProfileForm(profile) {
    var form = query('[data-profile-form]');
    var source = profile || {};

    if (!form) return;

    queryAll('[name]', form).forEach(function (field) {
      if (source[field.name] !== undefined && source[field.name] !== null) {
        field.value = source[field.name];
      }
    });
  }

  async function loadProfile() {
    var api = getApi();
    var profile;

    if (!api || !documentRef || !documentRef.querySelector('[data-profile-page]')) return;

    try {
      profile = await api.currentProfile();
      renderProfile(buildProfileView(profile));
      fillProfileForm(profile);
    } catch (error) {
      showMessage(error.message || '个人资料加载失败');
    }
  }

  async function submitProfileForm(form) {
    var api = getApi();

    if (!api || !form) return;

    try {
      setSubmitting(form, true);
      setStatus(form, '保存中...');
      await api.updateProfile(buildProfileUpdateBody(getFormValues(form)));
      setStatus(form, '已保存');
      showMessage('个人资料已保存');
      await loadProfile();
    } catch (error) {
      setStatus(form, '保存失败');
      showMessage(error.message || '个人资料保存失败');
    } finally {
      setSubmitting(form, false);
    }
  }

  function bindProfileForm() {
    var form = query('[data-profile-form]');

    if (!form) return;

    form.addEventListener('submit', function (event) {
      event.preventDefault();
      submitProfileForm(form);
    });
  }

  function init() {
    bindProfileForm();
    loadProfile();
  }

  return {
    pick: pick,
    getAvatarText: getAvatarText,
    buildProfileView: buildProfileView,
    buildProfileUpdateBody: buildProfileUpdateBody,
    init: init
  };
});