import {
	expect,
	test,
	setSystemTime,
	describe,
	beforeEach,
	afterEach,
	spyOn,
	afterAll,
	mock
} from 'bun:test';

import { object, string } from 'valibot';

import { createClient } from '../src/client.js';
import { InvalidAccessTokenError, InvalidRefreshTokenError } from '../src/error.js';
import { issuer } from '../src/issuer.js';
import { MemoryStorage } from '../src/storage/memory.js';
import { createSubjects } from '../src/subject.js';

const subjects = createSubjects({
	user: object({
		userID: string()
	})
});

let storage = MemoryStorage();
const auth = issuer({
	storage,
	subjects,
	allow: async () => true,
	success: async (ctx) => {
		return ctx.subject('user', {
			userID: '123'
		});
	},
	ttl: {
		access: 60
	},
	providers: {
		dummy: {
			type: 'dummy',
			init(route, ctx) {
				route.get('/authorize', async (c) => {
					return ctx.success(c, {
						email: 'foo@bar.com'
					});
				});
			}
		}
	}
});

const expectNonEmptyString = expect.stringMatching(/.+/);

beforeEach(async () => {
	setSystemTime(new Date('1/1/2024'));
});

afterEach(() => {
	setSystemTime();
});

const consoleSpy = spyOn(console, 'error').mockImplementation(mock());
afterAll(() => {
	consoleSpy.mockRestore();
});

describe('verify', () => {
	let tokens: { access: string; refresh: string };
	let client: ReturnType<typeof createClient>;

	beforeEach(async () => {
		client = createClient({
			// use different issuer per test file to avoid JWKS cache issues
			issuer: 'https://auth1.example.com',
			clientID: '123',
			fetch: (a, b) => Promise.resolve(auth.request(a, b))
		});
		const [verifier, authorization] = await client.pkce('https://client.example.com/callback');
		let response = await auth.request(authorization);
		response = await auth.request(response.headers.get('location')!, {
			headers: {
				cookie: response.headers.get('set-cookie')!
			}
		});
		const location = new URL(response.headers.get('location')!);
		const code = location.searchParams.get('code');
		const exchanged = await client.exchange(code!, 'https://client.example.com/callback', verifier);
		if (exchanged.err) throw exchanged.err;
		tokens = exchanged.tokens;
	});

	test('success', async () => {
		const refreshSpy = spyOn(client, 'refresh');
		const verified = await client.verify(subjects, tokens.access);
		expect(verified).toStrictEqual({
			aud: '123',
			subject: {
				type: 'user',
				properties: {
					userID: '123'
				}
			}
		});
		expect(refreshSpy).not.toBeCalled();
	});

	test('success after refresh', async () => {
		const refreshSpy = spyOn(client, 'refresh');
		setSystemTime(Date.now() + 1000 * 6000 + 1000);
		const verified = await client.verify(subjects, tokens.access, {
			refresh: tokens.refresh
		});
		expect(verified).toStrictEqual({
			aud: '123',
			tokens: {
				expiresIn: 60,
				access: expectNonEmptyString,
				refresh: expectNonEmptyString
			},
			subject: {
				type: 'user',
				properties: {
					userID: '123'
				}
			}
		});
		expect(refreshSpy).toBeCalled();
	});

	test('failure with expired access token', async () => {
		setSystemTime(Date.now() + 1000 * 6000 + 1000);
		const verified = await client.verify(subjects, tokens.access);
		expect(verified).toStrictEqual({
			err: expect.any(InvalidAccessTokenError)
		});
	});

	test('failure with invalid refresh token', async () => {
		setSystemTime(Date.now() + 1000 * 6000 + 1000);
		const verified = await client.verify(subjects, tokens.access, {
			refresh: 'foo'
		});
		expect(verified).toStrictEqual({
			err: expect.any(InvalidRefreshTokenError)
		});
	});
});