(function (root, factory) {
  // 成员与家族管理模块同时支持浏览器页面和 Node 单元测试。
  if (typeof module === 'object' && module.exports) {
    module.exports = factory(root);
    return;
  }

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

  var documentRef = root.document;

  function normalizeList(data) {
    // 成员接口返回可能是数组，也可能包在 rows、records、list、data 中。
    if (Array.isArray(data)) return data;
    if (!data || typeof data !== 'object') return [];
    if (Array.isArray(data.rows)) return data.rows;
    if (Array.isArray(data.records)) return data.records;
    if (Array.isArray(data.list)) return data.list;
    if (Array.isArray(data.data)) return data.data;
    return [];
  }

  function pick(item, keys, fallback) {
    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 escapeHtml(value) {
    // 成员姓名、关系名进入 innerHTML 前统一转义。
    return String(value === undefined || value === null ? '' : value)
      .replace(/&/g, '&amp;')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&#39;');
  }

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

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

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

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

    root.alert(message);
  }

  function getQueryParam(search, name) {
    var params = new URLSearchParams(String(search || '').replace(/^\?/, ''));
    return params.get(name) || '';
  }

  function getCurrentGenealogyId() {
    var search = root.location && root.location.search;
    var page = query('[data-member-admin-page], [data-admin-permission-page], [data-family-invite-page], [data-family-share-page]');

    return getQueryParam(search, 'id') ||
      getQueryParam(search, 'genealogyId') ||
      (page && page.getAttribute('data-genealogy-id')) ||
      '';
  }

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

    return text || undefined;
  }

  function toNumber(value) {
    var text = String(value === undefined || value === null ? '' : value).trim();
    var number = Number(text);

    return text && Number.isFinite(number) ? number : undefined;
  }

  function formatRole(roleType) {
    var role = String(roleType || '').trim();
    var roleMap = {
      owner: '创建者',
      creator: '创建者',
      admin: '管理员',
      manager: '管理员',
      member: '普通成员'
    };

    return roleMap[role] || role || '普通成员';
  }

  function buildMemberUpdateBody(values) {
    // GenealogyMemberUpdateBody 来自 APP.openapi.json。
    var source = values || {};

    return {
      memberName: trimOrUndefined(source.memberName),
      relationName: trimOrUndefined(source.relationName),
      roleType: String(source.roleType || '').trim() || 'member',
      lineagePersonId: toNumber(source.lineagePersonId)
    };
  }

  function buildOverviewSummary(detail) {
    var source = detail || {};
    var name = pick(source, ['genealogyName', 'name'], '当前家谱');
    var memberCount = pick(source, ['memberCount', 'members', 'personCount'], '0');
    var articleCount = pick(source, ['articleCount', 'articles'], '0');
    var albumCount = pick(source, ['albumCount', 'albums'], '0');

    return name + ' · ' + memberCount + ' 位成员 · ' + articleCount + ' 篇谱文 · ' + albumCount + ' 个相册';
  }

  function getMemberId(item) {
    return pick(item, ['memberId', 'id', 'genealogyMemberId'], '');
  }

  function buildMemberRow(item) {
    var memberId = getMemberId(item);
    var name = pick(item, ['memberName', 'nickName', 'name'], '未命名成员');
    var relation = pick(item, ['relationName', 'relation'], '族亲');
    var roleType = pick(item, ['roleType', 'role'], 'member');
    var bindName = pick(item, ['lineagePersonName', 'personName'], '未绑定');

    return '<div class="module-row member-admin-row" data-member-id="' + escapeHtml(memberId) + '">' +
      '<div><h3>' + escapeHtml(name) + '</h3><p>' + escapeHtml(relation) + ' · ' + escapeHtml(formatRole(roleType)) + ' · 绑定：' + escapeHtml(bindName) + '</p></div>' +
      '<div class="row-actions"><button class="pill" type="button" data-member-edit="' + escapeHtml(memberId) + '" data-member-name="' + escapeHtml(name) + '" data-member-relation="' + escapeHtml(relation) + '" data-member-role="' + escapeHtml(roleType) + '">权限</button><button class="pill is-danger" type="button" data-member-remove="' + escapeHtml(memberId) + '">移除</button></div>' +
      '</div>';
  }

  function buildOption(item) {
    var memberId = getMemberId(item);
    var name = pick(item, ['memberName', 'label', 'name'], '未命名成员');

    return '<option value="' + escapeHtml(memberId) + '">' + escapeHtml(name) + '</option>';
  }

  function buildInviteLink(currentUrl, genealogyId) {
    var url = new URL(currentUrl || 'http://localhost/profile-invite.html');

    url.pathname = url.pathname.replace(/[^/]*$/, 'join-genealogy.html');
    url.search = '?id=' + encodeURIComponent(genealogyId || '');
    url.hash = '';
    return url.toString();
  }

  function renderOverview(detail) {
    var summary = query('[data-member-overview]');
    var title = query('[data-member-title]');

    if (title) title.textContent = pick(detail, ['genealogyName', 'name'], title.textContent || '家族管理');
    if (summary) summary.textContent = buildOverviewSummary(detail);
  }

  function renderMembers(items) {
    var container = query('[data-member-list]');
    var list = normalizeList(items);

    if (!container) return;
    if (!list.length) {
      container.innerHTML = '<div class="api-empty">暂无家谱成员</div>';
      return;
    }

    container.innerHTML = list.map(buildMemberRow).join('');
  }

  function renderMemberOptions(items) {
    var select = query('[data-member-select]');
    var list = normalizeList(items);

    if (!select) return;
    select.innerHTML = '<option value="">请选择成员</option>' + list.map(buildOption).join('');
  }

  function renderInvite(detail, genealogyId) {
    var code = query('[data-invite-code]');
    var link = query('[data-invite-link]');
    var currentUrl = root.location && root.location.href;
    var inviteCode = pick(detail, ['inviteCode', 'genealogyNo', 'genealogyCode'], genealogyId || '未获取');

    if (code) code.textContent = inviteCode;
    if (link) link.textContent = buildInviteLink(currentUrl, genealogyId);
  }

  async function loadMemberAdmin() {
    var api = getApi();
    var genealogyId = getCurrentGenealogyId();
    var detail;

    if (!api) return;
    if (!genealogyId) {
      showMessage('请从具体家谱进入管理页面');
      return;
    }

    try {
      detail = await api.genealogyOverview(genealogyId);
      renderOverview(detail);
      renderInvite(detail, genealogyId);

      if (query('[data-member-list]')) {
        renderMembers(await api.genealogyMembers(genealogyId));
      }

      if (query('[data-member-select]')) {
        renderMemberOptions(await api.genealogyMemberOptions(genealogyId));
      }
    } catch (error) {
      showMessage(error.message || '家族管理数据加载失败');
    }
  }

  async function updateMemberFromPrompt(button) {
    var api = getApi();
    var genealogyId = getCurrentGenealogyId();
    var memberId = button.getAttribute('data-member-edit');
    var roleType = root.prompt('请输入角色类型：owner/admin/member', button.getAttribute('data-member-role') || 'member');

    if (!api || !genealogyId || !memberId || !roleType) return;

    try {
      await api.updateGenealogyMember(genealogyId, memberId, buildMemberUpdateBody({
        memberName: button.getAttribute('data-member-name'),
        relationName: button.getAttribute('data-member-relation'),
        roleType: roleType
      }));
      showMessage('成员权限已更新');
      loadMemberAdmin();
    } catch (error) {
      showMessage(error.message || '更新成员失败');
    }
  }

  async function removeMember(memberId) {
    var api = getApi();
    var genealogyId = getCurrentGenealogyId();

    if (!api || !genealogyId || !memberId) return;
    if (!root.confirm('确定移除该成员？')) return;

    try {
      await api.removeGenealogyMember(genealogyId, memberId);
      showMessage('成员已移除');
      loadMemberAdmin();
    } catch (error) {
      showMessage(error.message || '移除成员失败');
    }
  }

  async function submitPermission(form) {
    var api = getApi();
    var genealogyId = getCurrentGenealogyId();
    var memberId = query('[data-member-select]', form).value;
    var roleType = query('[name="roleType"]', form).value;

    if (!api || !genealogyId || !memberId) {
      showMessage('请选择要设置的成员');
      return;
    }

    try {
      await api.updateGenealogyMember(genealogyId, memberId, buildMemberUpdateBody({
        roleType: roleType
      }));
      showMessage('管理员权限已保存');
    } catch (error) {
      showMessage(error.message || '保存权限失败');
    }
  }

  async function transferOwner() {
    var api = getApi();
    var genealogyId = getCurrentGenealogyId();
    var select = query('[data-member-select]');

    if (!api || !genealogyId || !select || !select.value) {
      showMessage('请选择要转让的成员');
      return;
    }

    if (!root.confirm('确定转让家谱所有者？')) return;

    try {
      await api.transferGenealogyOwner(genealogyId, {
        targetMemberId: Number(select.value)
      });
      showMessage('家谱所有者已转让');
    } catch (error) {
      showMessage(error.message || '转让失败');
    }
  }

  function bindActions() {
    if (!documentRef) return;

    documentRef.addEventListener('click', function (event) {
      var editButton = event.target.closest('[data-member-edit]');
      var removeButton = event.target.closest('[data-member-remove]');
      var transferButton = event.target.closest('[data-owner-transfer]');

      if (editButton) {
        event.preventDefault();
        updateMemberFromPrompt(editButton);
      }

      if (removeButton) {
        event.preventDefault();
        removeMember(removeButton.getAttribute('data-member-remove'));
      }

      if (transferButton) {
        event.preventDefault();
        transferOwner();
      }
    });

    documentRef.addEventListener('submit', function (event) {
      var form = event.target.closest('[data-permission-form]');

      if (!form) return;
      event.preventDefault();
      submitPermission(form);
    });
  }

  function init() {
    if (!documentRef) return;

    bindActions();
    loadMemberAdmin();
  }

  return {
    normalizeList: normalizeList,
    buildMemberUpdateBody: buildMemberUpdateBody,
    buildOverviewSummary: buildOverviewSummary,
    buildMemberRow: buildMemberRow,
    buildInviteLink: buildInviteLink,
    init: init
  };
});