(function (root, factory) {
  const api = factory();
  if (typeof module === 'object' && module.exports) module.exports = api;
  root.LTJTHotelBatch = api;
})(typeof self !== 'undefined' ? self : globalThis, function () {
  'use strict';
  const object = value => value && typeof value === 'object' && !Array.isArray(value) ? value : {};
  const group = value => String(value || '').normalize('NFKC').replace(/\s+/gu, '').toUpperCase();
  function verified(result, identifier) {
    const report = object(result?.report), refs = object(report.resolved_refs);
    return result?.status === 'completed' && report.status === 'lifecycle_completed' && report.server_response?.completed === true
      && report.requery?.matched === true && report.requery?.skipped !== true
      && !result.uncertain && !result.manual_review_required && !report.manual_review_required
      && ![result.blockers, report.blockers].some(value => Array.isArray(value) && value.length)
      && refs.kind !== 'shared_child_order' && group(refs.identifier || refs.group_no) === group(identifier);
  }
  function inspect(value) {
    const batch = object(value), items = batch.items;
    if (batch.version !== 1 || !group(batch.group_number) || !Array.isArray(items)
      || items.length < 2 || items.length > 10) return null;
    let stopped = false, pending = false, completed = 0, failed = 0, uncertain = 0;
    const rowIds = new Set();
    for (let index = 0; index < items.length; index++) {
      const item = object(items[index]);
      if (item.index !== index || item.arrangement?.mode !== 'create') return null;
      if (item.status === 'completed') {
        if (stopped || pending || !verified(item.result, batch.group_number)) return null;
        const subpage = object(item.result.report.requery.subpage), target = object(subpage.arrangement_target);
        const rowId = String(target.row_id || '');
        if (!rowId || rowId === '0' || rowIds.has(rowId)) return null;
        rowIds.add(rowId);
        const normalizeDate = value => String(value || '').replace(/^(\d{4})-(\d{1,2})-(\d{1,2})$/, (_, y, m, d) => `${y}-${m.padStart(2, '0')}-${d.padStart(2, '0')}`);
        const checks = Array.isArray(subpage.checks) ? subpage.checks : [];
        const actual = pattern => checks.filter(check => check.matched === true && pattern.test(check.field));
        for (const [pattern, expected] of [[/^riqi\d+$/, item.arrangement.start_date], [/^riqis\d+$/, item.arrangement.end_date]]) {
          const matches = actual(pattern);
          if (matches.length !== 1 || normalizeDate(matches[0].actual) !== expected) return null;
        }
        if (Number(target.quantity_value) !== item.arrangement.room_count) return null;
        completed++;
      } else if (item.status === 'failed') {
        if (stopped || pending || item.result?.no_erp_write !== true || item.result?.write_attempted === true) return null;
        stopped = true; failed++;
      } else if (item.status === 'uncertain') {
        if (stopped || pending) return null;
        stopped = true; uncertain++;
      } else if (item.status === 'running') {
        if (stopped || pending) return null;
        pending = true;
      } else if (item.status === 'not_started') pending = true;
      else return null;
    }
    return { completed, failed, uncertain, total: items.length,
      not_started: items.filter(item => item.status === 'not_started').length,
      allCompleted: completed === items.length, knownStopped: (failed === 1 || (batch.stopped === true && completed > 0 && !items.some(item => item.status === 'running'))) && uncertain === 0 };
  }
  function resultText(batch) {
    const stats = inspect(batch);
    if (!stats) return '';
    const lines = [`共 ${stats.total} 条：成功 ${stats.completed} 条，失败 ${stats.failed} 条，待核验 ${stats.uncertain} 条，未执行 ${stats.not_started} 条`];
    const labels = { completed: '已完成', failed: '失败', uncertain: '结果不确定，待只读回查', not_started: '未执行', running: '处理中' };
    batch.items.forEach(item => {
      const a = item.arrangement;
      lines.push('', `${item.index + 1}. ${String(a.start_date).replaceAll('-', '/')}—${String(a.end_date).replaceAll('-', '/')}`,
        `   酒店搜索：${a.resource?.keyword || a.resource?.name || ''}；${a.room_count} 间`, `   ${labels[item.status]}`);
      if (item.status === 'failed') lines.push(`   原因：${String(item.result?.failure_message || item.result?.message || '执行阻断').slice(0, 250)}`);
    });
    if (!stats.allCompleted) lines.push('', '已完成的安排已保留，请勿整批重复提交。');
    return lines.join('\n');
  }
  return { verified, inspect, resultText };
});