import { describe, it, expect, vi } from 'vitest';
// import { actions } from '$root/routes/anmeldung/+page.server';
// import { load } from '$root/routes/(token-based)/+layout.server'
import { actions } from '../../src/routes/anmeldung/+page.server';
import { load } from '../../src/routes/(token-based)/+layout.server';

import { baseData } from '../fixtures';
import { ROUTE_NAMES } from '../../src/routes';
import { dev } from '$app/environment';
import { vorgangExists, vorgangPINValidation } from '$lib/server/vorgangService';
import type { Redirect } from '@sveltejs/kit';

vi.mock('$lib/server/vorgangService', () => ({
	vorgangExists: vi.fn(),
	vorgangPINValidation: vi.fn()
}));

describe('Vorgang Anzeige via Token', () => {
	it('Setze Cookie nach erfolgreicher Eingabe', async () => {
		// Mock formData
		const vorgObj = baseData.vorgang;

		const formData = new FormData();
		formData.set('vorgang-token', vorgObj.vorgangToken);
		formData.set('vorgang-pin', vorgObj.vorgangPIN);

		const mockRequest = {
			formData: vi.fn().mockResolvedValue(formData)
		};
		vi.mocked(vorgangPINValidation).mockReturnValueOnce(true);

		const cookiesSet = vi.fn();

		const event = {
			request: mockRequest,
			cookies: {
				set: cookiesSet
			}
		};

		let thrownRedirect: Redirect | undefined;
		try {
			await actions.default(event);
		} catch (e) {
			thrownRedirect = e as Redirect;
		}

		// Redirect bei erfolgreicher Eingabe
		expect(thrownRedirect?.status).toBe(303);
		expect(thrownRedirect?.location).toBe(ROUTE_NAMES.VORGANG(vorgObj.vorgangToken));

		// Cookie wurde gesetzt
		const COOKIE_NAME = `token-${vorgObj.vorgangToken}`;
		expect(cookiesSet).toHaveBeenCalledWith(COOKIE_NAME, vorgObj.vorgangPIN, {
			path: '/',
			httpOnly: true,
			sameSite: 'strict',
			secure: !dev
		});
	});

	it('Schlägt fehl wenn keine Daten übergeben werden', async () => {
		const formData = new FormData(); // no data
		const mockRequest = {
			formData: vi.fn().mockResolvedValue(formData)
		};
		const cookiesSet = vi.fn();
		const event = {
			request: mockRequest,
			cookies: {
				set: cookiesSet
			}
		};
		const result = await actions.default(event);
		expect(result.status).toBe(400);
		expect(result.data.message).toMatch(/PIN eingeben/i);
		// Cookie wird nicht gesetzt
		expect(cookiesSet).not.toHaveBeenCalled();
	});
	it.todo('Überprüfe was passiert, wenn Eingabe falsch, bzw. nicht im System passend gefunden');
});

describe('Teste Guard', () => {
	it('Lese Cookie aus', async () => {
		const vorgObj = baseData.vorgang;

		const COOKIE_NAME = `token-${vorgObj.vorgangToken}`;
		const cookiesGet = vi.fn().mockImplementation((key: string) => {
			if (key === COOKIE_NAME) return vorgObj.vorgangPIN;
			return undefined;
		});

		// mocked objects
		const event = {
			cookies: {
				get: cookiesGet
			},
			locals: {},
			params: { vorgang: vorgObj.vorgangToken }
		};
		vi.mocked(vorgangExists).mockReturnValueOnce(true);
		vi.mocked(vorgangPINValidation).mockReturnValueOnce(true);

		await load(event);

		expect(cookiesGet).toHaveBeenCalledWith(COOKIE_NAME);
	});

	it('Kein Cookie gesetzt', async () => {
		const vorgObj = baseData.vorgang;

		const COOKIE_NAME = `token-${vorgObj.vorgangToken}`;
		const cookiesGet = vi.fn().mockImplementation((key: string) => {
			if (key === COOKIE_NAME) return vorgObj.vorgangPIN;
			return undefined;
		});

		// mocked objects
		const event = {
			cookies: {
				get: cookiesGet
			},
			locals: {},
			params: { vorgang: vorgObj.vorgangToken }
		};
		vi.mocked(vorgangExists).mockReturnValueOnce(true);
		vi.mocked(vorgangPINValidation).mockReturnValueOnce(false);

		let thrownRedirect;
		try {
			await load(event);
			throw new Error('Function did not throw');
		} catch (e) {
			thrownRedirect = e;
		}
		expect(thrownRedirect?.status).toBe(303);
		expect(thrownRedirect?.location).toBe(
			ROUTE_NAMES.ANMELDUNG_VORGANG_PARAM(vorgObj.vorgangToken)
		);

		expect(cookiesGet).toHaveBeenCalledWith(COOKIE_NAME);
	});
});