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

  var documentRef = root.document;
  var poemsById = Object.create(null);
  var lastPreviewSignature = '';
  var managementAccess = false;
  var writePending = false;

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

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

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

  function isForbidden(error) {
    return Number(error && (error.status || error.code)) === 403;
  }

  function redirectUnauthorized(api, error) {
    if (!shouldRedirectToLogin(api, error)) return false;
    if (api && api.clearToken) api.clearToken();
    if (!root.location) return true;
    if (typeof root.location.replace === 'function') {
      root.location.replace('login.html');
      return true;
    }
    root.location.href = 'login.html';
    return true;
  }

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

  function queryAll(selector, rootNode) {
    return documentRef ? 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 setGenerationState(selector, type, message) {
    var target = query(selector);

    if (!target) return;
    if (root.ProfileUI && root.ProfileUI.setApiState) {
      root.ProfileUI.setApiState(target, type, message);
      return;
    }
    target.innerHTML = '<div class="api-state api-state--' + escapeHtml(type) + '" data-api-state="' + escapeHtml(type) + '">' +
      escapeHtml(message) + '</div>';
  }

  function setGenerationFormStatus(message, type) {
    var target = query('[data-generation-form-status]');

    if (!target) return;
    if (!message) {
      target.innerHTML = '';
      return;
    }
    if (root.ProfileUI && root.ProfileUI.setApiState) {
      root.ProfileUI.setApiState(target, type || 'error', message);
      return;
    }
    target.textContent = message;
  }

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

    return params.get(name) || '';
  }

  function getCurrentGenealogyId(search) {
    var page = query('[data-generation-page]');
    var source = search === undefined && root.location ? root.location.search : search;
    var profileGenealogyId;

    if (search === undefined && root.ProfileUI && root.ProfileUI.getGenealogyId) {
      profileGenealogyId = root.ProfileUI.getGenealogyId();
      if (profileGenealogyId) return profileGenealogyId;
    }
    return getQueryParam(source, 'genealogyId') || (page && page.getAttribute('data-genealogy-id')) || '';
  }

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

    return text || undefined;
  }

  function toIntegerOrUndefined(value) {
    var text = trimOrUndefined(value);
    var number;

    if (!text) return undefined;
    number = Number(text);
    return Number.isInteger(number) && Number.isSafeInteger(number) ? number : undefined;
  }

  function buildGenerationPoemBody(values) {
    var source = values || {};
    var body = {
      generationNo: toIntegerOrUndefined(source.generationNo),
      generationText: trimOrUndefined(source.generationText)
    };
    var description = trimOrUndefined(source.description);
    var sortOrder = trimOrUndefined(source.sortOrder);
    var status = trimOrUndefined(source.status);

    if (description !== undefined) body.description = description;
    if (sortOrder !== undefined) body.sortOrder = Number(sortOrder);
    if (status !== undefined) body.status = status;
    return body;
  }

  function buildBatchBody(values) {
    var source = values || {};

    return {
      poemText: String(source.poemText || '').trim(),
      disableMissing: Boolean(source.disableMissing)
    };
  }

  function validateGenerationPoemBody(body) {
    if (!body || !Number.isInteger(body.generationNo) || body.generationNo < 1 || body.generationNo > 2147483647) {
      return '世代序号必须是 1 到 2147483647 之间的整数';
    }
    if (!body.generationText) return '请填写字辈文字';
    if (body.generationText.length > 50) return '字辈文字不能超过 50 个字符';
    if (body.description && body.description.length > 500) return '说明不能超过 500 个字符';
    if (body.sortOrder !== undefined && (!Number.isInteger(body.sortOrder) || !Number.isSafeInteger(body.sortOrder))) {
      return '排序值必须是整数';
    }
    if (body.sortOrder !== undefined && (body.sortOrder < -2147483648 || body.sortOrder > 2147483647)) {
      return '排序值必须在 -2147483648 到 2147483647 之间';
    }
    if (body.status !== undefined && body.status !== '0' && body.status !== '1') return '字辈状态只能是 0 或 1';
    return '';
  }

  function validateBatchBody(body) {
    var words;

    if (!body || !body.poemText) return '请填写批量字辈内容';
    if (body.poemText.length > 26000) return '批量字辈内容不能超过 26000 个字符';
    words = splitPoemText(body.poemText);
    if (words.length > 500) return '一次最多导入 500 个世代';
    if (words.some(function (word) { return word.length > 50; })) return '单个字辈不能超过 50 个字符';
    return '';
  }

  function splitPoemText(value) {
    var text = String(value || '').trim();

    if (!text) return [];
    if (/[\s,，;；、/／|｜]/.test(text)) {
      return text.split(/[\s,，;；、/／|｜]+/).filter(Boolean);
    }
    return Array.from(text);
  }

  function normalizeId(value) {
    var text;

    if (value === undefined || value === null || value === '') return '';
    if (typeof value === 'number' && !Number.isSafeInteger(value)) return '';
    text = String(value);
    return /^\d+$/.test(text) ? text : '';
  }

  function getPoemId(item) {
    return normalizeId(item && item.poemId);
  }

  function normalizeGenerationPoem(item) {
    var poemId = getPoemId(item);
    var genealogyId = normalizeId(item && item.genealogyId);
    var generationNo = toIntegerOrUndefined(item && item.generationNo);
    var generationText = trimOrUndefined(item && item.generationText);
    var status = trimOrUndefined(item && item.status);
    var poem;

    if (!poemId || generationNo === undefined || !generationText || (status !== '0' && status !== '1')) return null;
    poem = {
      poemId: poemId,
      generationNo: generationNo,
      generationText: generationText,
      status: status
    };
    if (genealogyId) poem.genealogyId = genealogyId;
    if (item.genealogyNo !== undefined && item.genealogyNo !== null) poem.genealogyNo = String(item.genealogyNo);
    if (item.genealogyName !== undefined && item.genealogyName !== null) poem.genealogyName = String(item.genealogyName);
    if (item.description !== undefined && item.description !== null) poem.description = String(item.description);
    if (toIntegerOrUndefined(item.sortOrder) !== undefined) poem.sortOrder = toIntegerOrUndefined(item.sortOrder);
    if (item.remark !== undefined && item.remark !== null) poem.remark = String(item.remark);
    return poem;
  }

  function canEditGenerations(genealogy) {
    return Boolean(genealogy && (genealogy.canEditContent === true || genealogy.canManage === true));
  }

  function normalizeGenerationAccess(genealogy) {
    var canEditContent = canEditGenerations(genealogy);

    return {
      canEditContent: canEditContent,
      listMethod: canEditContent ? 'generationPoemsManagement' : 'generationPoems'
    };
  }

  function normalizeList(data) {
    if (Array.isArray(data)) return data;
    if (data && Array.isArray(data.rows)) return data.rows;
    return [];
  }

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

  function renderGenerationPoem(poem) {
    var details = [];
    var stateText = poem.status === '1' ? '已停用' : '正常';
    var actions = '';

    if (poem.description) details.push('说明：' + poem.description);
    if (poem.sortOrder !== undefined) details.push('排序：' + poem.sortOrder);
    details.push('状态：' + stateText);
    if (managementAccess) {
      actions = '<div class="row-actions">' +
        '<button class="pill" type="button" data-generation-edit="' + escapeHtml(poem.poemId) + '">编辑</button>' +
        '<button class="pill" type="button" data-generation-status="' + escapeHtml(poem.poemId) + '">' + (poem.status === '1' ? '恢复' : '停用') + '</button>' +
        '</div>';
    }
    return '<div class="module-row" data-generation-poem-id="' + escapeHtml(poem.poemId) + '">' +
      '<div><h3>第 ' + escapeHtml(poem.generationNo) + ' 代：' + escapeHtml(poem.generationText) + '</h3><p>' + escapeHtml(details.join(' · ')) + '</p></div>' +
      actions + '</div>';
  }

  function renderGenerationPoems(data) {
    var container = query('[data-generation-list]');
    var normalized = normalizeList(data).map(normalizeGenerationPoem);
    var invalidCount = normalized.filter(function (item) { return !item; }).length;
    var poems = normalized.filter(Boolean);

    poemsById = Object.create(null);
    poems.forEach(function (poem) {
      poemsById[poem.poemId] = poem;
    });
    if (!container) return;
    if (invalidCount) {
      setGenerationState('[data-generation-list]', 'error', '字辈响应缺少 poemId、generationNo、generationText 或 status，请联系后端补充 DTO。');
      return;
    }
    if (!poems.length) {
      setGenerationState('[data-generation-list]', 'empty', '暂无字辈记录');
      return;
    }
    container.innerHTML = poems.map(renderGenerationPoem).join('');
  }

  function normalizeCount(value) {
    var count = toIntegerOrUndefined(value);

    return count !== undefined && count >= 0 ? count : undefined;
  }

  function normalizePreviewItem(item) {
    var action = item && item.action;
    var generationNo = toIntegerOrUndefined(item && item.generationNo);
    var poemId = getPoemId(item);
    var oldText = trimOrUndefined(item && item.oldGenerationText);
    var newText = trimOrUndefined(item && item.newGenerationText);
    var oldStatus = trimOrUndefined(item && item.oldStatus);
    var newStatus = trimOrUndefined(item && item.newStatus);
    var normalized;

    if (!generationNo || ['create', 'update', 'keep', 'disable'].indexOf(action) === -1) return null;
    if (newStatus !== '0' && newStatus !== '1') return null;
    if (action === 'create' && !newText) return null;
    if (action !== 'create' && (!poemId || !oldText || (oldStatus !== '0' && oldStatus !== '1'))) return null;
    if ((action === 'update' || action === 'keep') && !newText) return null;

    normalized = {
      generationNo: generationNo
    };
    if (poemId) normalized.poemId = poemId;
    if (oldText) normalized.oldGenerationText = oldText;
    if (newText) normalized.newGenerationText = newText;
    if (oldStatus !== undefined) normalized.oldStatus = oldStatus;
    normalized.newStatus = newStatus;
    normalized.action = action;
    if (item.warning !== undefined && item.warning !== null) normalized.warning = String(item.warning);
    return normalized;
  }

  function normalizePreview(data) {
    var counts;
    var items;
    var actualCounts = { create: 0, update: 0, keep: 0, disable: 0 };

    if (!data || !Array.isArray(data.items) || !data.items.length) return null;
    counts = {
      createCount: normalizeCount(data.createCount),
      updateCount: normalizeCount(data.updateCount),
      keepCount: normalizeCount(data.keepCount),
      disableCount: normalizeCount(data.disableCount)
    };
    if (Object.keys(counts).some(function (key) { return counts[key] === undefined; })) return null;
    items = data.items.map(normalizePreviewItem);
    if (items.some(function (item) { return !item; })) return null;
    items.forEach(function (item) { actualCounts[item.action] += 1; });
    if (counts.createCount !== actualCounts.create ||
        counts.updateCount !== actualCounts.update ||
        counts.keepCount !== actualCounts.keep ||
        counts.disableCount !== actualCounts.disable) return null;

    counts.items = items;
    return counts;
  }

  function buildBatchConfirmMessage(disableMissing) {
    if (disableMissing) {
      return '确认按当前预览保存字辈，并停用未出现在文本中的后续世代吗？历史记录不会删除。';
    }
    return '确认按当前预览保存字辈吗？';
  }

  function renderBatchPreview(data) {
    var container = query('[data-generation-batch-preview]');
    var preview = normalizePreview(data);
    var summary;

    if (!container) return false;
    if (!preview) {
      setGenerationState('[data-generation-batch-preview]', 'error', '批量预览响应缺少 items，请联系后端补充 DTO。');
      return false;
    }
    summary = '新增 ' + (preview.createCount === undefined ? '-' : preview.createCount) +
      ' 条 · 更新 ' + (preview.updateCount === undefined ? '-' : preview.updateCount) +
      ' 条 · 保留 ' + (preview.keepCount === undefined ? '-' : preview.keepCount) +
      ' 条 · 停用 ' + (preview.disableCount === undefined ? '-' : preview.disableCount) + ' 条';
    container.innerHTML = '<div class="module-row"><div><h3>变更预览</h3><p>' + escapeHtml(summary) + '</p></div></div>' +
      preview.items.map(function (item) {
        var generationNo = item && item.generationNo;
        var action = item && item.action;
        var oldText = item && item.oldGenerationText;
        var newText = item && item.newGenerationText;
        var warning = item && item.warning;
        var oldStatus = item && item.oldStatus;
        var newStatus = item && item.newStatus;
        var text = '第 ' + (generationNo === undefined || generationNo === null ? '-' : generationNo) + ' 代：' +
          (oldText === undefined || oldText === null ? '（新增）' : oldText) + ' → ' +
          (newText === undefined || newText === null ? '（无）' : newText);

        if (action) text += ' · ' + action;
        if (oldStatus !== undefined || newStatus !== undefined) {
          text += ' · 状态：' + formatStatus(oldStatus) + ' → ' + formatStatus(newStatus);
        }
        if (warning) text += ' · 警告：' + warning;
        return '<div class="module-row"><p>' + escapeHtml(text) + '</p></div>';
      }).join('');
    return true;
  }

  function formatStatus(value) {
    if (String(value) === '0') return '正常';
    if (String(value) === '1') return '停用';
    return value === undefined || value === null ? '未提供' : String(value);
  }

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

    queryAll('[name]', form).forEach(function (field) {
      values[field.name] = field.type === 'checkbox' ? field.checked : field.value;
    });
    return values;
  }

  function setBatchStatus(message) {
    var target = query('[data-generation-batch-status]');

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

  function setGenerationEditorVisible(visible) {
    var editor = query('[data-generation-editor]');

    if (editor) editor.hidden = !visible;
  }

  function setGenerationSubmitPending(pending) {
    queryAll('[data-generation-editor-submit]').forEach(function (button) {
      if (!button.dataset.defaultLabel) button.dataset.defaultLabel = button.textContent;
      button.disabled = Boolean(pending) || !managementAccess;
      button.textContent = pending ? '正在保存…' : button.dataset.defaultLabel;
      button.setAttribute('aria-busy', pending ? 'true' : 'false');
    });
  }

  function refreshManagementControls() {
    var disabled = !managementAccess || writePending;

    queryAll('[data-generation-management]').forEach(function (element) {
      element.hidden = !managementAccess;
    });
    if (!managementAccess) setGenerationEditorVisible(false);
    queryAll('[data-generation-add], [data-generation-batch-action], [data-generation-edit], [data-generation-status]').forEach(function (control) {
      control.disabled = disabled;
    });
    queryAll('[data-generation-management] textarea, [data-generation-management] input, [data-generation-editor] textarea, [data-generation-editor] input, [data-generation-editor] select, [data-generation-editor] button').forEach(function (control) {
      control.disabled = disabled;
    });
    setGenerationSubmitPending(writePending);
  }

  function setManagementEnabled(enabled) {
    managementAccess = Boolean(enabled);
    refreshManagementControls();
  }

  function setWritePending(pending) {
    writePending = Boolean(pending);
    refreshManagementControls();
  }

  function renderForbiddenState() {
    setGenerationState('[data-generation-list]', 'forbidden', '当前账号没有字辈维护权限');
    lastPreviewSignature = '';
    setManagementEnabled(false);
    setBatchStatus('当前账号没有字辈维护权限');
    setGenerationFormStatus('当前账号没有字辈维护权限', 'forbidden');
  }

  function syncGenealogyLinks(genealogyId) {
    if (root.ProfileUI && root.ProfileUI.syncGenealogyContextLinks) {
      root.ProfileUI.syncGenealogyContextLinks();
      return;
    }
    queryAll('[data-genealogy-context-link]').forEach(function (link) {
      var href = link.getAttribute('href');
      var base;

      if (!href || href === '#') return;
      base = href.split('?')[0];
      link.href = base + '?genealogyId=' + encodeURIComponent(genealogyId);
    });
  }

  function requireGenealogyId() {
    var genealogyId = getCurrentGenealogyId();
    var container;

    if (!genealogyId) {
      container = query('[data-generation-list]');
      if (container) setGenerationState('[data-generation-list]', 'error', '请从具体家谱进入字辈管理');
      setGenerationEditorVisible(false);
      setGenerationFormStatus('请从具体家谱进入字辈管理', 'error');
      showMessage('请从具体家谱进入字辈管理');
    }
    return genealogyId;
  }

  function openPoemEditor(poemId) {
    var form = query('[data-generation-form]');
    var existing = poemId ? poemsById[poemId] : null;
    var title = query('[data-generation-editor-title]');

    if (!managementAccess || writePending || !form || (poemId && !existing)) return;
    form.reset();
    queryAll('[name]', form).forEach(function (field) {
      var value;

      if (field.name === 'poemId') value = poemId || '';
      if (field.name === 'generationNo') value = existing ? existing.generationNo : '';
      if (field.name === 'generationText') value = existing ? existing.generationText : '';
      if (field.name === 'description') value = existing && existing.description ? existing.description : '';
      if (field.name === 'sortOrder') value = existing && existing.sortOrder !== undefined ? existing.sortOrder : '';
      if (field.name === 'status') value = existing ? existing.status : '';
      if (value !== undefined) field.value = value;
    });
    if (title) title.textContent = existing ? '编辑字辈' : '新增字辈';
    setGenerationFormStatus('');
    setGenerationEditorVisible(true);
    if (root.location && root.location.hash !== '#generation-editor') root.location.hash = 'generation-editor';
    if (query('[name="generationNo"]', form) && query('[name="generationNo"]', form).focus) {
      query('[name="generationNo"]', form).focus();
    }
  }

  function closePoemEditor() {
    var form = query('[data-generation-form]');

    if (form) form.reset();
    setGenerationFormStatus('');
    setGenerationEditorVisible(false);
  }

  async function loadGenerationPoems() {
    var api = getApi();
    var genealogyId;
    var access;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    syncGenealogyLinks(genealogyId);
    setGenerationState('[data-generation-list]', 'loading', '正在加载字辈记录…');
    try {
      access = normalizeGenerationAccess(await api.genealogyDetail(genealogyId));
      setManagementEnabled(access.canEditContent);
      renderGenerationPoems(await api[access.listMethod](genealogyId));
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (isForbidden(error)) {
        renderForbiddenState();
        return;
      }
      setGenerationState('[data-generation-list]', 'error', '字辈列表加载失败，请稍后重试。');
      showMessage(error.message || '字辈列表加载失败');
    }
  }

  async function submitPoem(form) {
    var api = getApi();
    var genealogyId;
    var poemId;
    var body;
    var validation;

    if (writePending || !managementAccess || redirectUnauthorized(api) || !form) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    poemId = normalizeId(getFormValues(form).poemId);
    if (getFormValues(form).poemId && !poemId) {
      setGenerationFormStatus('字辈编号无效，请返回列表重新编辑。', 'error');
      return;
    }
    if (poemId && !poemsById[poemId]) {
      setGenerationFormStatus('当前字辈不存在或已更新，请返回列表刷新后重试。', 'error');
      return;
    }
    body = buildGenerationPoemBody(getFormValues(form));
    validation = validateGenerationPoemBody(body);
    if (validation) {
      setGenerationFormStatus(validation, 'error');
      return;
    }
    setGenerationFormStatus('正在保存字辈…', 'loading');
    setWritePending(true);
    try {
      if (poemId) {
        await api.updateGenerationPoem(genealogyId, poemId, body);
      } else {
        await api.createGenerationPoem(genealogyId, body);
      }
      showMessage('字辈已保存');
      closePoemEditor();
      await loadGenerationPoems();
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (isForbidden(error)) {
        renderForbiddenState();
        return;
      }
      setGenerationFormStatus(error.message || '字辈保存失败', 'error');
    } finally {
      setWritePending(false);
    }
  }

  async function togglePoemStatus(poemId) {
    var api = getApi();
    var genealogyId;
    var existing = poemsById[poemId];
    var body;

    if (writePending || !managementAccess || redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !existing) return;
    body = buildGenerationPoemBody({
      generationNo: existing.generationNo,
      generationText: existing.generationText,
      description: existing.description,
      sortOrder: existing.sortOrder,
      status: existing.status === '1' ? '0' : '1'
    });
    setWritePending(true);
    try {
      await api.updateGenerationPoem(genealogyId, poemId, body);
      showMessage(existing.status === '1' ? '字辈已恢复' : '字辈已停用');
      await loadGenerationPoems();
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (isForbidden(error)) {
        renderForbiddenState();
        return;
      }
      showMessage(error.message || '字辈状态更新失败');
    } finally {
      setWritePending(false);
    }
  }

  async function previewBatch() {
    var api = getApi();
    var genealogyId;
    var form = query('[data-generation-batch-form]');
    var body;
    var validation;

    if (writePending || !managementAccess || redirectUnauthorized(api) || !form) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    body = buildBatchBody(getFormValues(form));
    validation = validateBatchBody(body);
    if (validation) {
      setBatchStatus(validation);
      return;
    }
    setBatchStatus('正在预览…');
    setWritePending(true);
    try {
      if (renderBatchPreview(await api.previewGenerationPoems(genealogyId, body))) {
        lastPreviewSignature = JSON.stringify(body);
        setBatchStatus('预览完成，请确认后保存');
      } else {
        lastPreviewSignature = '';
        setBatchStatus('预览响应不完整');
      }
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (isForbidden(error)) {
        renderForbiddenState();
        return;
      }
      lastPreviewSignature = '';
      setBatchStatus(error.message || '批量预览失败');
    } finally {
      setWritePending(false);
    }
  }

  async function saveBatch() {
    var api = getApi();
    var genealogyId;
    var form = query('[data-generation-batch-form]');
    var body;
    var validation;

    if (writePending || !managementAccess || redirectUnauthorized(api) || !form) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    body = buildBatchBody(getFormValues(form));
    validation = validateBatchBody(body);
    if (validation) {
      setBatchStatus(validation);
      return;
    }
    if (lastPreviewSignature !== JSON.stringify(body)) {
      setBatchStatus('请先预览当前内容，再保存');
      return;
    }
    if (root.confirm && !root.confirm(buildBatchConfirmMessage(body.disableMissing))) return;
    setBatchStatus('正在保存…');
    setWritePending(true);
    try {
      await api.saveGenerationPoems(genealogyId, body);
      lastPreviewSignature = '';
      setBatchStatus('批量字辈已保存');
      await loadGenerationPoems();
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (isForbidden(error)) {
        renderForbiddenState();
        return;
      }
      setBatchStatus(error.message || '批量保存失败');
    } finally {
      setWritePending(false);
    }
  }

  function bindActions() {
    if (!documentRef) return;
    documentRef.addEventListener('submit', function (event) {
      var form = event.target.closest('[data-generation-form]');

      if (!form) return;
      event.preventDefault();
      submitPoem(form);
    });
    documentRef.addEventListener('click', function (event) {
      var target = event.target;
      var action = target.closest('[data-generation-batch-action]');
      var poemButton = target.closest('[data-generation-edit], [data-generation-status]');

      if (action) {
        event.preventDefault();
        if (action.getAttribute('data-generation-batch-action') === 'preview') previewBatch();
        if (action.getAttribute('data-generation-batch-action') === 'save') saveBatch();
        return;
      }
      if (target.closest('[data-generation-add]')) {
        event.preventDefault();
        openPoemEditor('');
        return;
      }
      if (target.closest('[data-generation-editor-cancel]')) {
        event.preventDefault();
        closePoemEditor();
        return;
      }
      if (!poemButton) return;
      event.preventDefault();
      if (poemButton.hasAttribute('data-generation-edit')) openPoemEditor(poemButton.getAttribute('data-generation-edit'));
      if (poemButton.hasAttribute('data-generation-status')) togglePoemStatus(poemButton.getAttribute('data-generation-status'));
    });
  }

  function init() {
    if (!documentRef) return;
    bindActions();
    if (query('[data-generation-page]')) loadGenerationPoems();
  }

  return {
    getCurrentGenealogyId: getCurrentGenealogyId,
    buildGenerationPoemBody: buildGenerationPoemBody,
    buildBatchBody: buildBatchBody,
    validateGenerationPoemBody: validateGenerationPoemBody,
    validateBatchBody: validateBatchBody,
    canEditGenerations: canEditGenerations,
    splitPoemText: splitPoemText,
    normalizeGenerationPoem: normalizeGenerationPoem,
    normalizeGenerationAccess: normalizeGenerationAccess,
    normalizePreview: normalizePreview,
    buildBatchConfirmMessage: buildBatchConfirmMessage,
    normalizeList: normalizeList,
    shouldRedirectToLogin: shouldRedirectToLogin,
    isForbidden: isForbidden,
    init: init
  };
});