(function (root, factory) {
  if (typeof module === 'object' && module.exports) {
    module.exports = factory(root);
    return;
  }

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

  function getTargetPage(search) {
    var params = new URLSearchParams(String(search === undefined && root.location ? root.location.search : search || '').replace(/^\?/, ''));
    var target = params.get('next') || '';

    return /^profile-[a-z-]+\.html$/.test(target) ? target : 'profile-family-home.html';
  }

  function buildStatus(quota) {
    var source = quota || {};
    var details = [];

    if (Number(source.createRemaining) === -1) details.push('创建不限');
    else if (Number(source.createRemaining) >= 0) details.push('还可创建 ' + source.createRemaining + ' 部');
    if (Number(source.joinRemaining) === -1) details.push('加入不限');
    else if (Number(source.joinRemaining) >= 0) details.push('还可加入 ' + source.joinRemaining + ' 部');
    return details.length ? '家谱额度：' + details.join('，') + '。' : '';
  }

  function escapeHtml(value) {
    return String(value === undefined || value === null ? '' : value)
      .replace(/&/g, '&')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&#39;');
  }

  function trimOrUndefined(value) {
    var text;

    if (value === undefined || value === null) return undefined;
    text = String(value).trim();
    return text || undefined;
  }

  function normalizeId(value) {
    var text;

    if (typeof value === 'number' && !Number.isSafeInteger(value)) return '';
    if (value === undefined || value === null) return '';
    text = String(value).trim();
    return /^[1-9][0-9]*$/.test(text) ? text : '';
  }

  function buildGenealogyCreateBody(values) {
    var source = values || {};
    var body = {
      genealogyName: String(source.genealogyName || '').trim(),
      surname: String(source.surname || '').trim(),
      regionCode: String(source.regionCode || '').trim()
    };
    var optionalNames = ['ancestralHall', 'originPlace', 'addressDetail', 'intro'];
    var coverOssId = normalizeId(source.coverOssId);
    var visibility = trimOrUndefined(source.visibility);
    var joinMode = trimOrUndefined(source.joinMode);

    optionalNames.forEach(function (name) {
      var value = trimOrUndefined(source[name]);

      if (value !== undefined) body[name] = value;
    });
    if (source.coverOssId !== undefined && source.coverOssId !== null && source.coverOssId !== '') {
      if (coverOssId) body.coverOssId = coverOssId;
      else body.invalidCoverOssId = true;
    }
    if (visibility !== undefined) body.visibility = visibility;
    if (joinMode !== undefined) body.joinMode = joinMode;
    return body;
  }

  function validateGenealogyCreateBody(body) {
    if (!body || !body.genealogyName) return '请填写谱名';
    if (!body.surname) return '请填写姓氏';
    if (!body.regionCode) return '请选择家谱所在地区';
    if (body.visibility !== undefined && ['0', '1', '2'].indexOf(body.visibility) < 0) return '可见范围选项无效';
    if (body.joinMode !== undefined && ['0', '1', '2'].indexOf(body.joinMode) < 0) return '加入方式选项无效';
    if (body.invalidCoverOssId) return '封面文件无效，请重新选择';
    return '';
  }

  function canCreateGenealogy(quota) {
    var remaining = Number(quota && quota.createRemaining);

    if (quota && typeof quota.canCreate === 'boolean') return quota.canCreate;
    return Number.isInteger(remaining) && (remaining === -1 || remaining > 0);
  }

  function normalizeCreatedGenealogy(item) {
    var genealogyId = normalizeId(item && item.genealogyId);
    var genealogyName = String(item && item.genealogyName || '').trim();
    var surname = String(item && item.surname || '').trim();

    if (!genealogyId || !genealogyName || !surname) return null;
    return {
      genealogyId: genealogyId,
      genealogyName: genealogyName,
      surname: surname,
      regionFullName: String(item && item.regionFullName || '')
    };
  }

  function buildCreatedGenealogyUrl(item) {
    var genealogy = normalizeCreatedGenealogy(item);

    return genealogy ? buildEntryUrl(genealogy.genealogyId, 'profile-family-home.html') : '';
  }

  function shouldRedirectToLogin(api, error) {
    var status = error && (error.status || error.code);

    return !api || !api.getToken || !api.getToken() || Number(status) === 401;
  }

  function redirectToLogin(api) {
    if (api && api.clearToken) api.clearToken();
    if (!root.location) return;
    if (typeof root.location.replace === 'function') root.location.replace('login.html');
    else root.location.href = 'login.html';
  }

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

    Array.prototype.forEach.call(form.querySelectorAll('[name]'), function (field) {
      values[field.name] = field.value;
    });
    return values;
  }

  function setCreateStatus(message) {
    var status = root.document && root.document.querySelector('[data-genealogy-create-status]');

    if (status) status.textContent = message || '';
  }

  function setCreatePending(pending) {
    var button = root.document && root.document.querySelector('[data-genealogy-create-submit]');

    if (button) button.disabled = Boolean(pending);
  }

  async function initGenealogyCreatePage() {
    var form = root.document && root.document.querySelector('[data-genealogy-create-form]');
    var quotaElement = root.document && root.document.querySelector('[data-genealogy-create-quota]');
    var api = root.GenealogyApi && root.GenealogyApi.defaultClient;
    var quota;
    var writePending = false;

    if (!form) return;
    if (shouldRedirectToLogin(api)) {
      redirectToLogin(api);
      return;
    }
    try {
      quota = await api.genealogyQuota();
      if (quotaElement) quotaElement.textContent = buildStatus(quota) || '当前额度信息不可用';
      if (!canCreateGenealogy(quota)) {
        setCreateStatus('当前没有可用的家谱创建额度');
        setCreatePending(true);
        return;
      }
    } catch (error) {
      if (shouldRedirectToLogin(api, error)) {
        redirectToLogin(api);
        return;
      }
      if (quotaElement) quotaElement.textContent = '家谱额度读取失败';
      setCreateStatus(error.message || '无法读取家谱创建额度');
      setCreatePending(true);
      return;
    }
    if (form.__genealogyCreateBound) return;
    form.__genealogyCreateBound = true;
    form.addEventListener('submit', async function (event) {
      var body;
      var validation;
      var created;
      var verified;

      event.preventDefault();
      if (writePending) return;
      body = buildGenealogyCreateBody(getFormValues(form));
      validation = validateGenealogyCreateBody(body);
      if (validation) {
        setCreateStatus(validation);
        return;
      }
      delete body.invalidCoverOssId;
      writePending = true;
      setCreatePending(true);
      setCreateStatus('正在创建家谱…');
      try {
        created = normalizeCreatedGenealogy(await api.createGenealogy(body));
        if (!created) throw new Error('创建响应缺少有效家谱信息');
        verified = normalizeCreatedGenealogy(await api.genealogyDetail(created.genealogyId));
        if (!verified || verified.genealogyId !== created.genealogyId) throw new Error('创建后无法读取同一家谱');
        if (root.location) root.location.href = buildCreatedGenealogyUrl(verified);
      } catch (error) {
        if (shouldRedirectToLogin(api, error)) {
          redirectToLogin(api);
          return;
        }
        setCreateStatus(error.message || '创建家谱失败，请稍后重试');
      } finally {
        writePending = false;
        setCreatePending(false);
      }
    });
  }

  function normalizeGenealogy(item) {
    var source = item || {};
    var id = source.genealogyId === undefined || source.genealogyId === null
      ? ''
      : String(source.genealogyId);

    if (!/^[1-9][0-9]*$/.test(id) || !source.genealogyName) return null;
    return {
      genealogyId: id,
      genealogyName: String(source.genealogyName),
      surname: source.surname === undefined || source.surname === null ? '' : String(source.surname),
      regionFullName: source.regionFullName === undefined || source.regionFullName === null ? '' : String(source.regionFullName),
      memberCount: source.memberCount,
      personCount: source.personCount,
      roleType: source.roleType === undefined || source.roleType === null ? '' : String(source.roleType),
      canManage: source.canManage === true
    };
  }

  function buildEntryUrl(genealogyId, target) {
    var params = new URLSearchParams();

    params.set('genealogyId', String(genealogyId));
    return (target || 'profile-family-home.html') + '?' + params.toString();
  }

  function renderGenealogies(container, data, target) {
    var items = Array.isArray(data) ? data.map(normalizeGenealogy).filter(Boolean) : [];

    if (!container) return;
    if (!items.length) {
      container.innerHTML = '<div class="api-empty">当前账号还没有可进入的家谱</div>';
      return;
    }
    container.innerHTML = items.map(function (item) {
      var meta = [
        item.surname ? item.surname + '氏' : '',
        item.regionFullName,
        item.memberCount === undefined || item.memberCount === null ? '' : item.memberCount + ' 位成员',
        item.personCount === undefined || item.personCount === null ? '' : item.personCount + ' 位世系人物'
      ].filter(Boolean).join(' · ');

      return '<a class="module-row" data-genealogy-id="' + escapeHtml(item.genealogyId) +
        '" href="' + escapeHtml(buildEntryUrl(item.genealogyId, target)) + '">' +
        '<div><h3>' + escapeHtml(item.genealogyName) + '</h3><p>' + escapeHtml(meta) +
        '</p></div><span class="pill">' + (item.canManage ? '管理并进入' : '进入家谱') + '</span></a>';
    }).join('');
  }

  async function init() {
    if (root.document && root.document.querySelector('[data-genealogy-create-page]')) {
      await initGenealogyCreatePage();
      return;
    }
    var status = root.document && root.document.querySelector('[data-genealogy-entry-status]');
    var api = root.GenealogyApi && root.GenealogyApi.defaultClient;
    var target = getTargetPage();
    var container = root.document && root.document.querySelector('[data-genealogy-list="mine"]');
    var result;

    if (!status) return;
    if (!api || !api.genealogyQuota || !api.genealogiesMine) {
      status.textContent = '家谱入口接口初始化失败，请刷新后重试。';
      return;
    }

    try {
      result = await Promise.all([api.genealogiesMine(), api.genealogyQuota()]);
      renderGenealogies(container, result[0], target);
      status.textContent = buildStatus(result[1]);
    } catch (error) {
      status.textContent = '无法读取我的家谱，请稍后重试。';
    }
  }

  return {
    getTargetPage: getTargetPage,
    buildStatus: buildStatus,
    buildGenealogyCreateBody: buildGenealogyCreateBody,
    validateGenealogyCreateBody: validateGenealogyCreateBody,
    canCreateGenealogy: canCreateGenealogy,
    normalizeCreatedGenealogy: normalizeCreatedGenealogy,
    buildCreatedGenealogyUrl: buildCreatedGenealogyUrl,
    shouldRedirectToLogin: shouldRedirectToLogin,
    initGenealogyCreatePage: initGenealogyCreatePage,
    normalizeGenealogy: normalizeGenealogy,
    buildEntryUrl: buildEntryUrl,
    renderGenealogies: renderGenealogies,
    init: init
  };
});