import { describe, it, expect, afterEach, vi } from 'vitest';
import { cleanup, render } from 'vitest-browser-svelte';
import { page } from 'vitest/browser';

import UploadSuccessBanner from './UploadSuccessBanner.svelte';

afterEach(() => {
	cleanup();
	vi.useRealTimers();
});

describe('UploadSuccessBanner', () => {
	it('renders singular copy for count of 1', async () => {
		render(UploadSuccessBanner, { count: 1, onClose: () => {} });
		const status = page.getByRole('status');
		await expect.element(status).toBeInTheDocument();
		await expect.element(status).toHaveTextContent(/1 Dokument/);
	});

	it('renders plural copy for count greater than 1', async () => {
		render(UploadSuccessBanner, { count: 3, onClose: () => {} });
		await expect.element(page.getByRole('status')).toHaveTextContent(/3 Dokumente/);
	});

	it('exposes role=status with aria-live polite', async () => {
		render(UploadSuccessBanner, { count: 1, onClose: () => {} });
		await expect.element(page.getByRole('status')).toHaveAttribute('aria-live', 'polite');
	});

	it('renders a CTA link to /enrich', async () => {
		render(UploadSuccessBanner, { count: 2, onClose: () => {} });
		await expect
			.element(page.getByRole('link', { name: /ergänzen/i }))
			.toHaveAttribute('href', '/enrich');
	});

	it('invokes onClose when the close button is clicked', async () => {
		const onClose = vi.fn();
		render(UploadSuccessBanner, { count: 1, onClose });
		const button = document.querySelector(
			'[data-testid="upload-banner-close"]'
		) as HTMLButtonElement | null;
		expect(button).not.toBeNull();
		button?.click();
		expect(onClose).toHaveBeenCalledTimes(1);
	});

	it('auto-dismisses after 8000ms', async () => {
		vi.useFakeTimers();
		const onClose = vi.fn();
		render(UploadSuccessBanner, { count: 1, onClose });
		vi.advanceTimersByTime(7999);
		expect(onClose).not.toHaveBeenCalled();
		vi.advanceTimersByTime(2);
		expect(onClose).toHaveBeenCalledTimes(1);
	});
});