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

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

  var documentRef = root.document;
  var recordsById = Object.create(null);
  var writePending = false;
  var meritTypes = {
    donation: '捐赠',
    repair: '修缮',
    public: '公益',
    other: '其他'
  };

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

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

  function queryAll(selector, node) {
    return documentRef ? Array.prototype.slice.call((node || documentRef).querySelectorAll(selector)) : [];
  }

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

    return text || undefined;
  }

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

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

  function getCurrentGenealogyId(search) {
    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 normalizeId(profileGenealogyId);
    }
    return normalizeId(queryParam(source, 'genealogyId'));
  }

  function getCurrentMeritId(search) {
    var source = search === undefined && root.location ? root.location.search : search;

    return normalizeId(queryParam(source, 'meritId'));
  }

  function toBackendDateTime(value) {
    var text = trimOrUndefined(value);

    if (!text) return undefined;
    if (/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}$/.test(text)) return text.replace('T', ' ') + ':00';
    if (/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}$/.test(text)) return text.replace('T', ' ');
    return text;
  }

  function toDateTimeInputValue(value) {
    var text = String(value || '');

    if (!/^\d{4}-\d{2}-\d{2}[ T]\d{2}:\d{2}/.test(text)) return '';
    return text.slice(0, 16).replace(' ', 'T');
  }

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

    if (!text) return undefined;
    number = Number(text);
    return Number.isFinite(number) ? number : undefined;
  }

  function toSafeInteger(value) {
    var number = toFiniteNumber(value);

    return Number.isSafeInteger(number) ? number : undefined;
  }

  function decimalKey(value) {
    var text = String(value).trim().replace(/^([+-]?)\./, '$10.');
    var match = text.match(/^([+-]?)(\d+)(?:\.(\d*))?(?:[eE]([+-]?\d+))?$/);
    var coefficient;
    var scale;

    if (!match) return '';
    coefficient = BigInt((match[2] + (match[3] || '')).replace(/^0+(?=\d)/, ''));
    scale = (match[3] || '').length - Number(match[4] || 0);
    if (coefficient === 0n) return '0:0';
    if (scale < 0) {
      coefficient *= 10n ** BigInt(-scale);
      scale = 0;
    }
    while (scale > 0 && coefficient % 10n === 0n) {
      coefficient /= 10n;
      scale -= 1;
    }
    if (match[1] === '-') coefficient = -coefficient;
    return String(coefficient) + ':' + String(scale);
  }

  function isExactJsonNumber(sourceText, number) {
    return Number.isFinite(number) && decimalKey(sourceText) === decimalKey(JSON.stringify(number));
  }

  function buildMeritRecordBody(values) {
    var source = values || {};
    var body = {
      donorName: String(source.donorName || '').trim(),
      meritTitle: String(source.meritTitle || '').trim()
    };
    var meritType = trimOrUndefined(source.meritType);
    var meritContent = trimOrUndefined(source.meritContent);
    var amountText = trimOrUndefined(source.amount);
    var meritTime = toBackendDateTime(source.meritTime);
    var sortOrderText = trimOrUndefined(source.sortOrder);
    var status = trimOrUndefined(source.status);

    if (meritType !== undefined) body.meritType = meritType;
    if (meritContent !== undefined) body.meritContent = meritContent;
    if (amountText !== undefined) {
      body.amount = toFiniteNumber(amountText);
      if (body.amount === undefined) body.invalidAmount = true;
      else if (!isExactJsonNumber(amountText, body.amount)) body.invalidAmountPrecision = true;
    }
    if (meritTime !== undefined) body.meritTime = meritTime;
    if (sortOrderText !== undefined) {
      body.sortOrder = toSafeInteger(sortOrderText);
      if (body.sortOrder === undefined) body.invalidSortOrder = true;
    }
    if (status !== undefined) body.status = status;
    return body;
  }

  function isValidBackendDateTime(value) {
    var match = String(value || '').match(/^(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})$/);
    var year;
    var month;
    var day;
    var days;

    if (!match) return false;
    year = Number(match[1]);
    month = Number(match[2]);
    day = Number(match[3]);
    if (month < 1 || month > 12 || Number(match[4]) > 23 || Number(match[5]) > 59 || Number(match[6]) > 59) return false;
    days = [31, year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0) ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    return day >= 1 && day <= days[month - 1];
  }

  function validateMeritRecordBody(body) {
    if (!body || !body.donorName) return '请填写功德人姓名';
    if (!body.meritTitle) return '请填写功德标题';
    if (body.meritType !== undefined && !Object.prototype.hasOwnProperty.call(meritTypes, body.meritType)) {
      return '功德类型无效';
    }
    if (body.invalidAmount || (Object.prototype.hasOwnProperty.call(body, 'amount') && !Number.isFinite(body.amount))) {
      return '功德金额必须是有限数字';
    }
    if (body.invalidAmountPrecision) return '功德金额超出浏览器可安全提交的精度';
    if (body.meritTime !== undefined && !isValidBackendDateTime(body.meritTime)) return '功德时间格式无效';
    if (body.invalidSortOrder || (Object.prototype.hasOwnProperty.call(body, 'sortOrder') && !Number.isSafeInteger(body.sortOrder))) {
      return '排序值必须是安全整数';
    }
    if (body.status === '1') return '当前 PC 无法重新读取停用功德记录，暂不开放停用';
    if (body.status !== undefined && body.status !== '0') return '功德记录状态只能是 0';
    return '';
  }

  function stringValue(value) {
    return value === undefined || value === null ? '' : String(value);
  }

  function normalizeAmount(value) {
    var text;

    if (value === undefined || value === null || value === '') return '';
    if (typeof value === 'number') return Number.isFinite(value) ? String(value) : '';
    text = String(value).trim();
    return /^-?(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][+-]?\d+)?$/.test(text) ? text : '';
  }

  function optionalSafeInteger(value) {
    var number;

    if (value === undefined || value === null || value === '') return undefined;
    number = Number(value);
    return Number.isSafeInteger(number) ? number : undefined;
  }

  function normalizeMeritRecord(item) {
    var meritId = normalizeId(item && item.meritId);
    var genealogyId = normalizeId(item && item.genealogyId);
    var appUserId = normalizeId(item && item.appUserId);
    var donorName = String(item && item.donorName || '').trim();
    var meritType = stringValue(item && item.meritType);
    var meritTitle = String(item && item.meritTitle || '').trim();
    var amount = normalizeAmount(item && item.amount);
    var meritTime = stringValue(item && item.meritTime);
    var sortOrder = optionalSafeInteger(item && item.sortOrder);
    var status = stringValue(item && item.status);
    var record;

    if (!meritId || !genealogyId || !donorName || !meritTitle || !Object.prototype.hasOwnProperty.call(meritTypes, meritType)) {
      return null;
    }
    if (item.appUserId !== undefined && item.appUserId !== null && item.appUserId !== '' && !appUserId) return null;
    if (item.amount !== undefined && item.amount !== null && item.amount !== '' && amount === '') return null;
    if (meritTime && !isValidBackendDateTime(meritTime)) return null;
    if (item.sortOrder !== undefined && item.sortOrder !== null && item.sortOrder !== '' && sortOrder === undefined) return null;
    if (status !== '0' && status !== '1') return null;
    record = {
      meritId: meritId,
      genealogyId: genealogyId,
      genealogyNo: stringValue(item.genealogyNo),
      genealogyName: stringValue(item.genealogyName),
      surname: stringValue(item.surname),
      appUserNickName: stringValue(item.appUserNickName),
      appUserPhone: stringValue(item.appUserPhone),
      donorName: donorName,
      meritType: meritType,
      meritTitle: meritTitle,
      meritContent: stringValue(item.meritContent),
      amount: amount,
      meritTime: meritTime,
      status: status,
      remark: stringValue(item.remark)
    };
    if (appUserId) record.appUserId = appUserId;
    if (sortOrder !== undefined) record.sortOrder = sortOrder;
    return record;
  }

  function matchesSavedMerit(item, expectedMeritId) {
    var record = normalizeMeritRecord(item);

    return Boolean(record && record.meritId === normalizeId(expectedMeritId));
  }

  function isEditableMerit(record) {
    return Boolean(record && record.status === '0');
  }

  function escapeHtml(value) {
    return stringValue(value)
      .replace(/&/g, '&amp;')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&#39;');
  }

  function buildListUrl(genealogyId, meritId) {
    var url = 'profile-merit.html?genealogyId=' + encodeURIComponent(genealogyId);

    return meritId ? url + '&meritId=' + encodeURIComponent(meritId) : url;
  }

  function buildEditUrl(genealogyId, meritId) {
    var url = 'profile-merit-edit.html?genealogyId=' + encodeURIComponent(genealogyId);

    return meritId ? url + '&meritId=' + encodeURIComponent(meritId) : url;
  }

  function renderMeritRow(record) {
    var summary = [meritTypes[record.meritType]];

    if (record.meritTime) summary.push(record.meritTime);
    if (record.amount) summary.push('金额：' + record.amount);
    return '<article class="module-row merit-row"><div><h3>' + escapeHtml(record.meritTitle) + '</h3><p>' +
      escapeHtml(record.donorName + ' · ' + summary.join(' · ')) + '</p></div><div class="row-actions">' +
      '<button class="pill" type="button" data-merit-detail-id="' + escapeHtml(record.meritId) + '">查看详情</button>' +
      '<a class="pill" href="' + escapeHtml(buildEditUrl(record.genealogyId, record.meritId)) + '">编辑</a>' +
      '<button class="pill is-danger" type="button" data-merit-delete-id="' + escapeHtml(record.meritId) + '">删除</button>' +
      '</div></article>';
  }

  function detailValue(label, value) {
    return '<p><span>' + escapeHtml(label) + '</span><b>' + escapeHtml(value || '未提供') + '</b></p>';
  }

  function renderMeritDetail(record) {
    if (!record) return '<div class="api-empty">请选择一条功德记录查看详情</div>';
    return '<div class="form-like merit-detail">' +
      detailValue('功德人', record.donorName) +
      detailValue('功德类型', meritTypes[record.meritType]) +
      detailValue('功德标题', record.meritTitle) +
      detailValue('事迹内容', record.meritContent) +
      detailValue('金额', record.amount) +
      detailValue('功德时间', record.meritTime) +
      detailValue('记录人', record.appUserNickName) +
      detailValue('备注', record.remark) +
      '</div><div class="bottom-actions"><a class="btn ghost" href="' +
      escapeHtml(buildEditUrl(record.genealogyId, record.meritId)) + '">编辑功德记录</a>' +
      '<button class="btn ghost" type="button" data-merit-delete-id="' + escapeHtml(record.meritId) + '">删除功德记录</button></div>';
  }

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

  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');
    else root.location.href = 'login.html';
    return true;
  }

  function setFormStatus(message) {
    var target = query('[data-merit-form-status]');

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

  function setEditorEnabled(enabled, message) {
    var placeholder = query('[data-merit-editor-placeholder]');

    queryAll('[data-merit-editor], [data-merit-editor-action]').forEach(function (element) {
      element.hidden = !enabled;
    });
    if (placeholder) {
      placeholder.hidden = Boolean(enabled);
      if (message) placeholder.textContent = message;
    }
  }

  function setWritePending(value) {
    writePending = Boolean(value);
    queryAll('[data-merit-form] button, [data-merit-form] input, [data-merit-form] textarea, [data-merit-form] select, [data-merit-delete-id]').forEach(function (control) {
      control.disabled = writePending;
    });
  }

  function syncLinks() {
    if (root.ProfileUI && root.ProfileUI.syncGenealogyContextLinks) root.ProfileUI.syncGenealogyContextLinks();
  }

  function renderNoContext() {
    var list = query('[data-merit-list]');
    var detail = query('[data-merit-detail]');
    var message = '请先选择家谱，再查看或维护功德记录。';

    if (list) list.innerHTML = '<div class="api-empty">' + message + '</div>';
    if (detail) detail.innerHTML = '<div class="api-empty">当前没有家谱上下文。</div>';
    setEditorEnabled(false, message);
    setFormStatus(message);
  }

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

    if (!genealogyId) renderNoContext();
    return genealogyId;
  }

  function renderMeritRecords(data) {
    var container = query('[data-merit-list]');
    var normalized = Array.isArray(data) ? data.map(normalizeMeritRecord) : [];
    var invalidCount = normalized.filter(function (record) { return !record; }).length;
    var records = normalized.filter(Boolean);

    recordsById = Object.create(null);
    records.forEach(function (record) {
      recordsById[record.meritId] = record;
    });
    if (!container) return records;
    if (!Array.isArray(data) || invalidCount) {
      container.innerHTML = '<div class="api-empty">功德记录响应缺少稳定 MeritRecordVo 字段，请联系后端核对。</div>';
      return [];
    }
    if (!records.length) {
      container.innerHTML = '<div class="api-empty">暂无功德记录</div>';
      return [];
    }
    container.innerHTML = records.map(renderMeritRow).join('');
    return records;
  }

  function renderDetail(record) {
    var container = query('[data-merit-detail]');

    if (container) container.innerHTML = renderMeritDetail(record);
  }

  async function loadMeritDetail(meritId) {
    var api = getApi();
    var genealogyId = requireGenealogyId();
    var record;

    if (!genealogyId || !normalizeId(meritId) || redirectUnauthorized(api)) return null;
    try {
      record = normalizeMeritRecord(await api.meritRecordDetail(genealogyId, meritId));
      if (!record) throw new Error('功德记录详情响应缺少稳定 MeritRecordVo 字段');
      recordsById[record.meritId] = record;
      renderDetail(record);
      return record;
    } catch (error) {
      if (redirectUnauthorized(api, error)) return null;
      renderDetail(null);
      showMessage(isForbidden(error) ? '当前账号无权查看该功德记录。' : (error.message || '功德记录详情加载失败'));
      return null;
    }
  }

  async function loadMeritRecords() {
    var api = getApi();
    var genealogyId;
    var records;
    var requestedMeritId;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    syncLinks();
    try {
      records = renderMeritRecords(await api.meritRecords(genealogyId));
      requestedMeritId = getCurrentMeritId();
      if (requestedMeritId && recordsById[requestedMeritId]) {
        await loadMeritDetail(requestedMeritId);
      } else if (records.length) {
        await loadMeritDetail(records[0].meritId);
      } else {
        renderDetail(null);
      }
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (query('[data-merit-list]')) {
        query('[data-merit-list]').innerHTML = '<div class="api-empty">' +
          (isForbidden(error) ? '当前账号无权查看该家谱的功德记录。' : '功德记录加载失败，请稍后重试。') +
          '</div>';
      }
      showMessage(isForbidden(error) ? '当前账号无权查看该家谱的功德记录。' : (error.message || '功德记录加载失败'));
    }
  }

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

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

  function setFieldValue(name, value) {
    var field = query('[data-merit-form] [name="' + name + '"]');

    if (field) field.value = value === undefined || value === null ? '' : String(value);
  }

  function fillMeritForm(record) {
    var contentField;
    var contentEditor;

    if (!isEditableMerit(record)) throw new Error('停用功德记录无法通过当前 PC 接口重新读取或编辑');
    setFieldValue('donorName', record.donorName);
    setFieldValue('meritType', record.meritType);
    setFieldValue('meritTitle', record.meritTitle);
    setFieldValue('meritContent', record.meritContent);
    setFieldValue('amount', record.amount);
    setFieldValue('meritTime', toDateTimeInputValue(record.meritTime));
    setFieldValue('sortOrder', record.sortOrder);
    setFieldValue('status', '0');
    contentField = query('[name="meritContent"]');
    if (root.AppRichEditor && root.AppRichEditor.init && contentField) {
      contentEditor = root.AppRichEditor.init(contentField);
      if (contentEditor && contentEditor.editor && contentEditor.editor.setHtml) {
        contentEditor.editor.setHtml(record.meritContent);
        contentEditor.sync();
      }
    }
  }

  async function loadMeritEditor() {
    var api = getApi();
    var genealogyId;
    var meritId;
    var record;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    meritId = getCurrentMeritId();
    syncLinks();
    setEditorEnabled(false, '正在加载功德记录编辑信息…');
    try {
      if (meritId) {
        record = normalizeMeritRecord(await api.meritRecordDetail(genealogyId, meritId));
        if (!record) throw new Error('功德记录详情响应缺少稳定 MeritRecordVo 字段');
        fillMeritForm(record);
        if (query('[data-merit-editor-title]')) query('[data-merit-editor-title]').textContent = '编辑功德记录';
      }
      setEditorEnabled(true);
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      setEditorEnabled(false, isForbidden(error)
        ? '当前账号无权维护该家谱的功德记录。'
        : (error.message || '功德记录编辑信息加载失败'));
      setFormStatus(error.message || '功德记录编辑信息加载失败');
    }
  }

  async function submitMeritRecord(form) {
    var api = getApi();
    var genealogyId = requireGenealogyId();
    var meritId = getCurrentMeritId();
    var body;
    var validation;
    var result;
    var saved;
    var savedId;
    var verifiedDetail;

    if (writePending || !genealogyId || redirectUnauthorized(api)) return;
    body = buildMeritRecordBody(getFormValues(form));
    validation = validateMeritRecordBody(body);
    if (validation) {
      setFormStatus(validation);
      return;
    }
    delete body.invalidAmount;
    delete body.invalidAmountPrecision;
    delete body.invalidSortOrder;
    setWritePending(true);
    setFormStatus('正在保存功德记录…');
    try {
      result = meritId
        ? await api.updateMeritRecord(genealogyId, meritId, body)
        : await api.createMeritRecord(genealogyId, body);
      saved = normalizeMeritRecord(result);
      savedId = meritId || (saved && saved.meritId);
      if (!savedId) throw new Error('保存响应缺少 meritId');
      verifiedDetail = await api.meritRecordDetail(genealogyId, savedId);
      if (!matchesSavedMerit(verifiedDetail, savedId)) throw new Error('保存后重读未返回同一条功德记录');
      if (root.location) root.location.href = buildListUrl(genealogyId, savedId);
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      setFormStatus(isForbidden(error) ? '当前账号无权保存该功德记录。' : (error.message || '功德记录保存失败'));
    } finally {
      setWritePending(false);
    }
  }

  async function deleteMeritRecord(meritId) {
    var api = getApi();
    var genealogyId = requireGenealogyId();
    var record = recordsById[meritId];

    if (writePending || !genealogyId || !normalizeId(meritId) || redirectUnauthorized(api)) return;
    if (root.confirm && !root.confirm('确认删除“' + (record ? record.meritTitle : '该功德记录') + '”吗？删除后不可恢复。')) return;
    setWritePending(true);
    try {
      await api.deleteMeritRecord(genealogyId, meritId);
      await loadMeritRecords();
      showMessage('功德记录已删除');
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      showMessage(isForbidden(error) ? '当前账号无权删除该功德记录。' : (error.message || '功德记录删除失败'));
    } finally {
      setWritePending(false);
    }
  }

  function bindActions() {
    if (!documentRef) return;
    documentRef.addEventListener('click', function (event) {
      var detailButton = event.target.closest('[data-merit-detail-id]');
      var deleteButton = event.target.closest('[data-merit-delete-id]');

      if (detailButton) {
        event.preventDefault();
        loadMeritDetail(detailButton.getAttribute('data-merit-detail-id'));
        return;
      }
      if (deleteButton) {
        event.preventDefault();
        deleteMeritRecord(deleteButton.getAttribute('data-merit-delete-id'));
      }
    });
    documentRef.addEventListener('submit', function (event) {
      var form = event.target.closest('[data-merit-form]');

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

  function init() {
    if (!documentRef) return;
    bindActions();
    if (query('[data-merit-page]')) loadMeritRecords();
    if (query('[data-merit-edit-page]')) loadMeritEditor();
  }

  return {
    getCurrentGenealogyId: getCurrentGenealogyId,
    getCurrentMeritId: getCurrentMeritId,
    buildMeritRecordBody: buildMeritRecordBody,
    validateMeritRecordBody: validateMeritRecordBody,
    normalizeMeritRecord: normalizeMeritRecord,
    matchesSavedMerit: matchesSavedMerit,
    isEditableMerit: isEditableMerit,
    renderMeritDetail: renderMeritDetail,
    shouldRedirectToLogin: shouldRedirectToLogin,
    isForbidden: isForbidden,
    init: init
  };
});