import { expect, test } from '@playwright/test';
import { unzipSync } from 'fflate';
import { readFile } from 'node:fs/promises';
import { createEncryptedPdf, dropFiles, pdfDropzone, trackPageErrors } from './helpers';

test('decrypt batch unlocks every file and bundles results in one ZIP', async ({ page }) => {
	const pageErrors = trackPageErrors(page);
	await page.goto('/tools/decrypt');
	await dropFiles(page, pdfDropzone(page), [
		{
			name: 'eins_geschuetzt.pdf',
			mimeType: 'application/pdf',
			buffer: await createEncryptedPdf(1, 'Eins', 'test-passwort')
		},
		{
			name: 'zwei_geschuetzt.pdf',
			mimeType: 'application/pdf',
			buffer: await createEncryptedPdf(2, 'Zwei', 'test-passwort')
		},
		{
			name: 'kaputt.pdf',
			mimeType: 'application/pdf',
			buffer: Buffer.from('kein gueltiges PDF')
		}
	]);

	await expect(page.getByText('Dateien (3)')).toBeVisible();
	await page.locator('#decrypt-password').fill('test-passwort');
	await page.getByRole('button', { name: 'Passwort entfernen', exact: true }).click();
	await expect(page.getByText('Fertig ✓')).toHaveCount(2, { timeout: 20_000 });
	await expect(page.getByText(/Fehler beim Entsperren/)).toBeVisible();

	const downloadPromise = page.waitForEvent('download');
	await page.getByRole('button', { name: 'Alle herunterladen' }).click();
	const download = await downloadPromise;
	expect(download.suggestedFilename()).toMatch(/^entsperrt_\d{4}-\d{2}-\d{2}\.zip$/);
	const zipPath = await download.path();
	expect(zipPath).not.toBeNull();
	const entries = Object.keys(unzipSync(new Uint8Array(await readFile(zipPath!))));
	expect(entries.sort()).toEqual([
		'eins_geschuetzt_entsperrt.pdf',
		'zwei_geschuetzt_entsperrt.pdf'
	]);
	expect(pageErrors).toEqual([]);
});