import 'package:flutter_test/flutter_test.dart';
import 'package:kouyu_english/core/models.dart';
import 'package:kouyu_english/core/review_feedback.dart';

ReviewItem review(String id, String target) => ReviewItem(
  id: id,
  target: target,
  prompt: 'Test prompt',
  hint: target,
  dueAt: DateTime(2026),
  skill: '回忆表达',
);

void main() {
  test('does not accept unrelated English for a core phrase', () {
    final result = ReviewFeedback.check(
      review('A0-P12', "I'm from [place]."),
      'I like tea.',
    );
    expect(result.complete, isFalse);
  });

  test('accepts a new place in the from pattern', () {
    final result = ReviewFeedback.check(
      review('A0-P12', "I'm from [place]."),
      "I'm from Guangzhou.",
    );
    expect(result.complete, isTrue);
  });

  test('checks an A0 word without accepting a different word', () {
    expect(
      ReviewFeedback.check(review('A0-W08', 'three'), 'four').complete,
      isFalse,
    );
    expect(
      ReviewFeedback.check(review('A0-W08', 'three'), 'three').complete,
      isTrue,
    );
  });

  test('A0-P17 accepts standard o clock expressions', () {
    expect(
      ReviewFeedback.check(
        review('A0-P17', "It's [hour] o'clock."),
        "It's three o'clock.",
      ).complete,
      isTrue,
    );
    expect(
      ReviewFeedback.check(
        review('A0-P17', "It's [hour] o'clock."),
        'It is two o’clock.',
      ).complete,
      isTrue,
    );
    expect(
      ReviewFeedback.check(
        review('A0-P17', "It's [hour] o'clock."),
        'It is five oclock.',
      ).complete,
      isTrue,
    );
  });

  test('A0-P20 accepts please say that again and please speak slowly', () {
    expect(
      ReviewFeedback.check(
        review('A0-P20', 'Please say that again.'),
        'Please say that again.',
      ).complete,
      isTrue,
    );
    expect(
      ReviewFeedback.check(
        review('A0-P20', 'Please say that again.'),
        'Please speak slowly.',
      ).complete,
      isTrue,
    );
  });
}