import 'dart:io';

import 'package:flutter_test/flutter_test.dart';
import 'package:kouyu_english/core/a0_core.dart';

import '../tool/courses/course_validator.dart';

void main() {
  test('tokenize expands contractions and skips digits', () {
    expect(tokenize("I'm Tom. Can't pay 15 dollars at 7 a.m.; let's go"), [
      'i', 'am', 'tom', 'can', 'not', 'pay', 'dollars', 'at', 'am', 'let',
      'us', 'go',
    ]);
  });

  test('match groups use AND across groups and OR inside a group', () {
    expect(satisfiesMatch("Sorry, I don't understand.", [
      ['do not understand'],
    ]), isTrue);
    expect(satisfiesMatch('twelvee', [
      ['twelve'],
    ]), isFalse);
    expect(satisfiesMatch('What is this word?', [
      ['what does', 'what is'],
      ['mean'],
    ]), isFalse);
  });

  test('course packs pass validation', () {
    final report = CourseValidator(
      projectRoot: Directory.current,
      a0Texts: [
        for (final item in a0CoreItems.values)
          item.replaceAll(RegExp(r'\[[^\]]*\]'), ''),
        for (final sentence in a0DictationSentences.values) sentence.sentence,
      ],
    ).validate();
    expect(report.errors.map((issue) => '$issue'), isEmpty);
  });
}