import assert from 'node:assert/strict';
import { buildVocabularySummaryFilters } from './vocabularyAuditFilters';

const correctWordFilter = buildVocabularySummaryFilters({ minCorrectWords: '40' });
assert.deepEqual(correctWordFilter, {
  minCorrectWords: 40,
  userMatchStages: [],
  baseMatch: {
    'stats.correctWords': { $gte: 40 }
  }
});

const legacyFilter = buildVocabularySummaryFilters({ minWords: '35' });
assert.deepEqual(legacyFilter, {
  minCorrectWords: 35,
  userMatchStages: [],
  baseMatch: {
    'stats.correctWords': { $gte: 35 }
  }
});

const emptyFilter = buildVocabularySummaryFilters({});
assert.deepEqual(emptyFilter, {
  minCorrectWords: undefined,
  userMatchStages: [],
  baseMatch: {}
});

const studentFilter = buildVocabularySummaryFilters({ studentNo: 'A.12' });
assert.deepEqual(studentFilter.userMatchStages, [{
  $match: {
    'user.username': {
      $regex: 'A\\.12',
      $options: 'i'
    }
  }
}]);

const invalidFilter = buildVocabularySummaryFilters({ minCorrectWords: '4.5' });
assert.deepEqual(invalidFilter, { error: '正确单词数量必须是正整数' });

console.log('vocabularyAuditFilters tests passed');