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

vi.mock('$app/navigation', () => ({
	beforeNavigate: () => {},
	afterNavigate: () => {},
	goto: vi.fn(),
	invalidate: vi.fn(),
	invalidateAll: vi.fn(),
	preloadCode: vi.fn(),
	preloadData: vi.fn(),
	pushState: vi.fn(),
	replaceState: vi.fn(),
	disableScrollHandling: vi.fn(),
	onNavigate: () => () => {}
}));

const { default: DocumentRow } = await import('./DocumentRow.svelte');

afterEach(cleanup);

const sender = { id: 's1', displayName: 'Anna Schmidt' };
const receiver = { id: 'r1', displayName: 'Bert Meier' };

const makeDoc = (overrides: Record<string, unknown> = {}) => ({
	id: 'd1',
	title: 'Brief 1923',
	originalFilename: 'b.pdf',
	documentDate: '1923-04-15',
	sender,
	receivers: [receiver],
	tags: [],
	thumbnailUrl: null,
	contentType: 'application/pdf',
	summary: null,
	archiveBox: null,
	archiveFolder: null,
	location: null,
	...overrides
});

const baseItem = (docOverrides: Record<string, unknown> = {}) => ({
	document: makeDoc(docOverrides),
	matchData: null,
	completionPercentage: 0,
	contributors: []
});

describe('DocumentRow', () => {
	it('renders the title', async () => {
		render(DocumentRow, { props: { item: baseItem() } });

		await expect
			.element(page.getByRole('heading', { level: 3, name: /brief 1923/i }))
			.toBeVisible();
	});

	it('falls back to originalFilename when title is null', async () => {
		render(DocumentRow, { props: { item: baseItem({ title: null }) } });

		await expect.element(page.getByRole('heading', { level: 3, name: /b\.pdf/i })).toBeVisible();
	});

	it('renders the sender name in the metadata column', async () => {
		render(DocumentRow, { props: { item: baseItem() } });

		await expect.element(page.getByText('Anna Schmidt')).toBeVisible();
	});

	it('renders the unknown placeholder when sender is null', async () => {
		render(DocumentRow, { props: { item: baseItem({ sender: null }) } });

		const unknownTexts = document.querySelectorAll('.italic');
		const hasUnknown = Array.from(unknownTexts).some((el) => el.textContent?.includes('Unbekannt'));
		expect(hasUnknown).toBe(true);
	});

	it('renders one tag button per document tag', async () => {
		render(DocumentRow, {
			props: {
				item: baseItem({
					tags: [
						{ id: 't1', name: 'Familie', color: null },
						{ id: 't2', name: 'Reise', color: '#ffaabb' }
					]
				})
			}
		});

		await expect.element(page.getByRole('button', { name: 'Familie' })).toBeVisible();
		await expect.element(page.getByRole('button', { name: 'Reise' })).toBeVisible();
	});

	it('renders the bulk-select checkbox when canWrite is true', async () => {
		render(DocumentRow, { props: { item: baseItem(), canWrite: true } });

		const checkbox = document.querySelector('input[type="checkbox"]');
		expect(checkbox).not.toBeNull();
	});

	it('hides the bulk-select checkbox when canWrite is false', async () => {
		render(DocumentRow, { props: { item: baseItem(), canWrite: false } });

		const checkbox = document.querySelector('input[type="checkbox"]');
		expect(checkbox).toBeNull();
	});

	it('renders archive chips when archive metadata is present', async () => {
		render(DocumentRow, {
			props: {
				item: baseItem({ archiveBox: 'Box 1', archiveFolder: 'Mappe A', location: 'Berlin' })
			}
		});

		await expect.element(page.getByText('Box 1')).toBeVisible();
		await expect.element(page.getByText('Mappe A')).toBeVisible();
		await expect.element(page.getByText('Berlin')).toBeVisible();
	});

	it('renders the snippet when matchData provides a transcriptionSnippet', async () => {
		render(DocumentRow, {
			props: {
				item: {
					document: makeDoc(),
					matchData: { transcriptionSnippet: 'Hello world snippet' },
					completionPercentage: 50,
					contributors: []
				}
			}
		});

		await expect.element(page.getByTestId('search-snippet')).toBeVisible();
	});

	it('renders the summary when present', async () => {
		render(DocumentRow, {
			props: { item: baseItem({ summary: 'Brief über die Reise nach Berlin' }) }
		});

		await expect.element(page.getByTestId('doc-summary')).toBeVisible();
	});

	it('renders an em-dash for missing documentDate', async () => {
		render(DocumentRow, { props: { item: baseItem({ documentDate: null }) } });

		// Multiple em-dashes possible; just ensure at least one is rendered
		expect(document.body.textContent).toContain('—');
	});
});