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

import AnnotationLayer from './AnnotationLayer.svelte';

afterEach(cleanup);

type Annotation = {
	id: string;
	documentId: string;
	pageNumber: number;
	x: number;
	y: number;
	width: number;
	height: number;
	color: string;
	createdAt: string;
};

function makeAnnotation(id = 'ann-1'): Annotation {
	return {
		id,
		documentId: 'doc-1',
		pageNumber: 1,
		x: 0.1,
		y: 0.1,
		width: 0.3,
		height: 0.2,
		color: '#ff0000',
		createdAt: new Date().toISOString()
	};
}

describe('AnnotationLayer', () => {
	it('renders a colored element for each annotation', async () => {
		render(AnnotationLayer, {
			annotations: [makeAnnotation('ann-1'), makeAnnotation('ann-2')],
			canAnnotate: false,
			color: '#ff0000',
			onDraw: () => {},
			onDelete: () => {}
		});

		await expect.element(page.getByTestId('annotation-ann-1')).toBeInTheDocument();
		await expect.element(page.getByTestId('annotation-ann-2')).toBeInTheDocument();
	});

	it('shows a delete button for each annotation when canAnnotate is true', async () => {
		render(AnnotationLayer, {
			annotations: [makeAnnotation('ann-1')],
			canAnnotate: true,
			color: '#ff0000',
			onDraw: () => {},
			onDelete: () => {}
		});

		await expect
			.element(page.getByRole('button', { name: /annotation löschen/i }))
			.toBeInTheDocument();
	});

	it('does not show delete buttons when canAnnotate is false', async () => {
		render(AnnotationLayer, {
			annotations: [makeAnnotation('ann-1')],
			canAnnotate: false,
			color: '#ff0000',
			onDraw: () => {},
			onDelete: () => {}
		});

		expect(page.getByRole('button', { name: /annotation löschen/i }).query()).toBeNull();
	});
});