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

  var documentRef = root.document;

  function normalizeList(data) {
    // 列表响应可能直接是数组，也可能使用 rows、records、list 或 data 包裹。
    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) {
    // 申请人信息来自接口，渲染前统一转义。
    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 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 fromQuery = getQueryParam(search, 'id') || getQueryParam(search, 'genealogyId');
    var fromPage = query('[data-genealogy-id]');

    return fromQuery || (fromPage && fromPage.getAttribute('data-genealogy-id')) || '';
  }

  function formatApplyStatus(status) {
    // 审核接口要求 status，按常见字典值做页面中文展示。
    var map = {
      0: '待审核',
      1: '已通过',
      2: '已拒绝'
    };

    return map[status] || status || '待审核';
  }

  function buildAuditBody(action, remark) {
    var isReject = action === 'reject';

    return {
      status: isReject ? '2' : '1',
      auditRemark: remark || (isReject ? '信息核验未通过' : '信息核验通过')
    };
  }

  function buildPendingRow(item, genealogyId) {
    var applyId = pick(item, ['applyId', 'id'], '');
    var name = pick(item, ['applicantName', 'name', 'nickName'], '未命名申请人');
    var relation = pick(item, ['relationDesc', 'applyReason', 'remark'], '关系说明待确认');
    var time = pick(item, ['createTime', 'createdAt', 'applyTime'], '提交时间待确认');

    return '<div class="module-row join-apply-row" data-join-apply-id="' + escapeHtml(applyId) + '">' +
      '<div><h3>' + escapeHtml(name) + '申请加入家谱</h3><p>' + escapeHtml(time) + ' · ' + escapeHtml(relation) + '</p></div>' +
      '<div class="bottom-actions">' +
      '<button class="btn primary" type="button" data-join-audit="approve" data-genealogy-id="' + escapeHtml(genealogyId) + '" data-apply-id="' + escapeHtml(applyId) + '">同意</button>' +
      '<button class="btn ghost" type="button" data-join-audit="reject" data-genealogy-id="' + escapeHtml(genealogyId) + '" data-apply-id="' + escapeHtml(applyId) + '">拒绝</button>' +
      '</div></div>';
  }

  function buildMineRow(item) {
    var applyId = pick(item, ['applyId', 'id'], '');
    var genealogyName = pick(item, ['genealogyName', 'familyName', 'name'], '未命名家谱');
    var status = formatApplyStatus(pick(item, ['status', 'auditStatus'], '0'));
    var relation = pick(item, ['relationDesc', 'applyReason', 'auditRemark'], '关系说明待确认');
    var action = status === '待审核'
      ? '<button class="btn ghost" type="button" data-join-cancel="' + escapeHtml(applyId) + '">撤销申请</button>'
      : '<span class="pill">' + escapeHtml(status) + '</span>';

    return '<div class="module-row join-apply-row" data-join-apply-id="' + escapeHtml(applyId) + '">' +
      '<div><h3>' + escapeHtml(genealogyName) + '</h3><p>' + escapeHtml(status) + ' · ' + escapeHtml(relation) + '</p></div>' +
      action +
      '</div>';
  }

  function renderPending(items, genealogyId) {
    var container = query('[data-join-apply-list="pending"]');

    if (!container) return;
    if (!items.length) {
      container.innerHTML = '<div class="api-empty">暂无待审核申请</div>';
      return;
    }

    container.innerHTML = items.map(function (item) {
      return buildPendingRow(item, genealogyId);
    }).join('');
  }

  function renderMine(items) {
    var container = query('[data-join-apply-list="mine"]');

    if (!container) return;
    if (!items.length) {
      container.innerHTML = '<div class="api-empty">暂无加入申请记录</div>';
      return;
    }

    container.innerHTML = items.map(buildMineRow).join('');
  }

  async function loadPending() {
    var api = getApi();
    var container = query('[data-join-apply-list="pending"]');
    var genealogyId = getCurrentGenealogyId();

    if (!api || !container) return;
    if (!genealogyId) {
      container.innerHTML = '<div class="api-empty">请从具体家谱进入审核页</div>';
      return;
    }

    container.classList.add('is-loading');
    try {
      renderPending(normalizeList(await api.pendingJoinApplies(genealogyId)), genealogyId);
    } catch (error) {
      showMessage(error.message || '待审核申请加载失败');
    } finally {
      container.classList.remove('is-loading');
    }
  }

  async function loadMine() {
    var api = getApi();
    var container = query('[data-join-apply-list="mine"]');

    if (!api || !container) return;

    container.classList.add('is-loading');
    try {
      renderMine(normalizeList(await api.myJoinApplies()));
    } catch (error) {
      showMessage(error.message || '加入申请记录加载失败');
    } finally {
      container.classList.remove('is-loading');
    }
  }

  async function audit(button) {
    var api = getApi();
    var action = button.getAttribute('data-join-audit');
    var genealogyId = button.getAttribute('data-genealogy-id');
    var applyId = button.getAttribute('data-apply-id');
    var remark = action === 'reject' ? root.prompt('请输入拒绝原因', '') : '';

    if (!api || !genealogyId || !applyId) return;
    if (action === 'reject' && remark === null) return;

    button.classList.add('is-loading');
    try {
      await api.auditJoinApply(genealogyId, applyId, buildAuditBody(action, remark));
      showMessage(action === 'reject' ? '已拒绝申请' : '已同意申请');
      loadPending();
    } catch (error) {
      showMessage(error.message || '审核申请失败');
    } finally {
      button.classList.remove('is-loading');
    }
  }

  async function cancel(button) {
    var api = getApi();
    var applyId = button.getAttribute('data-join-cancel');

    if (!api || !applyId) return;
    if (root.confirm && !root.confirm('确认撤销当前加入申请？')) return;

    button.classList.add('is-loading');
    try {
      await api.cancelJoinApply(applyId);
      showMessage('已撤销加入申请');
      loadMine();
    } catch (error) {
      showMessage(error.message || '撤销申请失败');
    } finally {
      button.classList.remove('is-loading');
    }
  }

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

    documentRef.addEventListener('click', function (event) {
      var auditButton = event.target.closest('[data-join-audit]');
      var cancelButton = event.target.closest('[data-join-cancel]');

      if (auditButton) {
        event.preventDefault();
        audit(auditButton);
      }

      if (cancelButton) {
        event.preventDefault();
        cancel(cancelButton);
      }
    });
  }

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

    bindActions();
    loadPending();
    loadMine();
  }

  return {
    normalizeList: normalizeList,
    formatApplyStatus: formatApplyStatus,
    buildAuditBody: buildAuditBody,
    buildPendingRow: buildPendingRow,
    buildMineRow: buildMineRow,
    init: init
  };
});