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

void main() {
  test('a matching transcript ignores case, punctuation and contractions', () {
    final result = compareSpoken(
      'Sorry, please say that again. I like water.',
      'sorry please say that again i like water',
    );
    expect(result.matches, isTrue);
    expect(result.heardCount, result.total);

    expect(
      compareSpoken('I’m from Hong Kong.', 'I am from Hong Kong').matches,
      isTrue,
    );
    expect(
      compareSpoken('It’s three o’clock.', "it's three o'clock").matches,
      isTrue,
    );
  });

  test('marks the words that were not heard, keeping word order', () {
    final result = compareSpoken('I like tea. Do you like tea?', 'I like tea');
    expect(result.matches, isFalse);
    expect(result.missedWords, ['Do', 'you', 'like', 'tea?']);
    expect(result.close, isFalse);

    final extra = compareSpoken('I like water.', 'I like water very much');
    expect(extra.heardCount, extra.total);
    expect(extra.extraWords, ['very', 'much']);
    expect(extra.matches, isFalse);
  });

  test('digits and joined letters line up with the model sentence', () {
    expect(
      compareSpoken(
        'My number is one-three-eight.',
        'My number is 138',
      ).matches,
      isTrue,
    );
    expect(compareSpoken('S H E N', 'Shen').matches, isTrue);
    expect(compareSpoken('S H E N', 'S H E M').missedWords, ['N']);
  });
}