#!/usr/bin/env node
const { loadFewshotCases, matchSimilarCases, buildFewshotReference } = require('../mcp/src/features/tihao-sourcing/few-shot-cases');

function main() {
  // 加载真实案例库（案例导入器产物）
  const loaded = loadFewshotCases();
  assert(loaded && Array.isArray(loaded.cases) && loaded.cases.length >= 1, '应加载真实 fewshot-cases.json 案例库');

  // 匹配相似案例（品类匹配）
  const criteria = { category: loaded.cases[0].category || '', platforms: [loaded.cases[0].platform || 'xiaohongshu'], goalStrategy: { goalLabel: loaded.cases[0].goal || '' } };
  const similar = matchSimilarCases(loaded.cases, criteria);
  assert(Array.isArray(similar), 'matchSimilarCases 应返回数组');

  // buildFewshotReference 结构
  const reference = buildFewshotReference(criteria);
  assert(reference.status === 'loaded', '应返回 loaded 状态');
  assert(reference.totalCases === loaded.cases.length, 'totalCases 应一致');
  assert(Array.isArray(reference.cases), '应返回 cases 数组');

  // explicitPath 不存在时应 fallback 到默认案例库（而非报错）
  const fallback = buildFewshotReference({ category: '无' }, { fewshotCasesPath: 'e:/nonexistent/fewshot-cases.json' });
  assert(fallback.status === 'loaded', 'explicitPath 不存在时应 fallback 到默认案例库');

  console.log(JSON.stringify({
    ok: true,
    loadedCases: loaded.cases.length,
    matchedCases: similar.length,
    referenceStatus: reference.status
  }, null, 2));
}

function assert(condition, message) {
  if (!condition) throw new Error(message);
}

if (require.main === module) main();