import { describe, expect, it, vi } from 'vitest';
vi.mock('$app/env/private', () => ({ OSU_CLIENT_ID: '1', OSU_CLIENT_SECRET: 'test' }));
import { getOsuMaps } from './osu';
it('falls back deliberately, merges IDs, reuses OAuth and caches matching results', async () => {
	const fetchFn = vi.fn(async (url: string | URL | Request) => {
		if (String(url).includes('/oauth/token'))
			return Response.json({ access_token: 'token', expires_in: 3600 });
		const query = new URL(String(url)).searchParams.get('q');
		return Response.json({
			beatmapsets: [
				{
					id: 1,
					title: 'Unique Song',
					artist: query === 'unique song' ? 'Artist' : 'Wrong Performer'
				}
			]
		});
	});
	const track = {
		id: '6PUzxtIHkv346yP89NzP9X',
		name: 'Unique Song',
		artists: [{ name: 'Artist' }],
		album: { name: '', images: [] }
	};
	const results = await Promise.all([getOsuMaps(fetchFn, track), getOsuMaps(fetchFn, track)]);
	expect(results[0]).toHaveLength(1);
	expect(results[0][0].score).toBe(100);
	expect(results[1]).toEqual(results[0]);
	await getOsuMaps(fetchFn, track);
	expect(fetchFn).toHaveBeenCalledTimes(3);
	expect(fetchFn.mock.calls.filter(([url]) => String(url).includes('/oauth/token'))).toHaveLength(
		1
	);
});

describe('parseBeatmapset', () => {
	it('keeps the shown fields, fixes preview URLs and sorts difficulties', async () => {
		const { parseBeatmapset } = await import('./osu');
		const set = parseBeatmapset({
			id: 7,
			title: 'T',
			artist: 'A',
			creator: 'mapper',
			status: 'ranked',
			preview_url: '//b.ppy.sh/preview/7.mp3',
			covers: { card: 'https://assets.ppy.sh/c.jpg', list: 'javascript:alert(1)' },
			beatmaps: [
				{ id: 2, mode: 'osu', difficulty_rating: 5.123, total_length: 90, version: 'Hard' },
				{ id: 1, mode: 'osu', difficulty_rating: 2, total_length: 90, version: 'Easy' },
				{ id: 3, mode: 'bogus' }
			]
		});
		expect(set).toMatchObject({
			id: 7,
			creator: 'mapper',
			preview_url: 'https://b.ppy.sh/preview/7.mp3'
		});
		expect(set?.covers?.list).toBeUndefined();
		expect(set?.beatmaps?.map((d) => d.stars)).toEqual([2, 5.12]);
		expect(parseBeatmapset({ id: 'x' })).toBeNull();
	});
});