const { Router } = require('../lib/index.js');

describe('router builds urls', () => {
	describe('for hashed routes', () => {
		const router = Router(
			'#',
			{
				home: {
					path: '/',
					onenter: (r, route) => {},
					onexit: (r, route, newRoute) => {}
				},
				article: {
					path: '/article/:id',
					vars: { id: /[a-f0-9]{6,40}/ },
					onenter: (r, route) => {},
					onexit: (r, route, newRoute) => {}
				}
			},
			(r, path, lastGoodRoute) => {}
		);

		it('at the root', () => {
			expect(router.href('home')).toEqual('#/');
		});

		it('with variables', () => {
			expect(router.href('article', { id: 156234 })).toEqual('#/article/156234');
		});

		describe('but throws an error', () => {
			it("if the route doesn't exist", () => {
				expect(() => {
					router.href('artcle', { id: 156 });
				}).toThrowError(Error, 'Invalid route artcle.');
			});

			it("if the vars don't match", () => {
				expect(() => {
					router.href('article', { id: 156 });
				}).toThrowError(Error, 'Invalid value for route /article/:id var id: 156.');
			});
		});
	});
});

describe('router goes to routes', () => {
	describe('for hashed routes', () => {
		const router = Router(
			'#',
			{
				home: {
					path: '/',
					onenter: (r, route) => {},
					onexit: (r, route, newRoute) => {}
				},
				article: {
					path: '/article/:id',
					vars: { id: /[a-f0-9]{6,40}/ },
					onenter: (r, route) => {},
					onexit: (r, route, newRoute) => {}
				}
			},
			(r, path, lastGoodRoute) => {}
		);
		it('at the root', done => {
			router.goto('home').then(() => {
				const current = router.current();
				expect(current.name).toEqual('home');
				expect(current.path).toEqual('#/');
				done();
			});
		});
		it('with vars', done => {
			router.goto('article', { id: 156234 }).then(() => {
				const current = router.current();
				expect(current.name).toEqual('article');
				expect(current.path).toEqual('#/article/156234');
				done();
			});
		});
		it('with a url', done => {
			router.goto('#/article/156233').then(() => {
				const current = router.current();
				expect(current.name).toEqual('article');
				expect(current.path).toEqual('#/article/156233');
				done();
			});
		});
	});
});