import { expect, test } from 'vitest';
import { formatPassage, matchBooks, parsePassageRef } from './passageRef.js';

const first = (text) => parsePassageRef(text)[0];

test('understands a book, chapter and verse in the usual ways', () => {
  expect(first('John 3:16')).toMatchObject({ book: 'JHN', chapter: 3, verse: 16 });
  expect(first('jn 3 16')).toMatchObject({ book: 'JHN', chapter: 3, verse: 16 });
  expect(first('Ps 23')).toMatchObject({ book: 'PSA', chapter: 23, verse: null });
  expect(first('1 cor 13:4')).toMatchObject({ book: '1CO', chapter: 13, verse: 4 });
  expect(first('1corinthians 13')).toMatchObject({ book: '1CO', chapter: 13 });
  expect(first('song of solomon 2')).toMatchObject({ book: 'SNG', chapter: 2 });
  expect(first('Rom. 8.28')).toMatchObject({ book: 'ROM', chapter: 8, verse: 28 });
});

test('a bare book name opens its first chapter', () => {
  expect(first('romans')).toMatchObject({ book: 'ROM', chapter: 1, hasChapter: false });
});

test('a name that fits several books lists them; a short form picks one', () => {
  expect(matchBooks('jo').length).toBeGreaterThan(1);
  expect(matchBooks('jn').map((b) => b.abbrev)).toEqual(['JHN']);
});

test('rejects chapters a book does not have, and things that are not passages', () => {
  expect(parsePassageRef('jude 2')).toEqual([]); // Jude has one chapter
  expect(parsePassageRef('genesis 51')).toEqual([]);
  expect(parsePassageRef('')).toEqual([]);
  expect(parsePassageRef('3:16')).toEqual([]);
  expect(parsePassageRef('zzz 4')).toEqual([]);
});

test('formats a place the way people write it', () => {
  expect(formatPassage(first('john 3:16'))).toBe('John 3:16');
  expect(formatPassage(first('psalm 23'))).toBe('Psalms 23');
  expect(formatPassage(first('romans'))).toBe('Romans');
});