import 'package:bible_tracker/data/bible.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('Bible', () {
    test('has 66 books', () {
      expect(Bible.books.length, 66);
      expect(Bible.totalBooks, 66);
    });

    test('has 1189 chapters across all books', () {
      expect(Bible.totalChapters, 1189);
    });

    test('old testament totals match canon', () {
      expect(Bible.totalBooksIn(Testament.old), 39);
      expect(Bible.totalChaptersIn(Testament.old), 929);
    });

    test('new testament totals match canon', () {
      expect(Bible.totalBooksIn(Testament.newT), 27);
      expect(Bible.totalChaptersIn(Testament.newT), 260);
    });

    test('indexes are contiguous from 0 to 65', () {
      for (int i = 0; i < Bible.books.length; i++) {
        expect(Bible.books[i].index, i);
      }
    });

    test('chapterKey produces stable strings', () {
      expect(Bible.chapterKey(0, 1), '0:1');
      expect(Bible.chapterKey(65, 22), '65:22');
    });
  });
}