import assert from 'node:assert/strict';
import { chromium } from 'playwright';

const base = new URL(process.argv[2]);
if (base.protocol !== 'http:' || !['localhost', '127.0.0.1'].includes(base.hostname)) {
  throw new Error('Sharing checks require an isolated loopback server');
}
const browser = await chromium.launch({headless: true});
try {
  const context = await browser.newContext();
  await context.route('**/*', route => new URL(route.request().url()).origin === base.origin
    ? route.continue() : route.abort());
  const page = await context.newPage();
  page.setDefaultTimeout(10000);
  async function login(subject) {
    await page.goto(`${base.origin}/auth/dev-login/`);
    await page.getByLabel('Subject').fill(subject);
    await page.getByLabel('Tenant').fill('tenant:sharing-test');
    await page.getByRole('button', {name: 'Establish session'}).click();
    await page.waitForURL('**/app/');
  }
  const detail = `${base.origin}/app/spaces/shared-browser/`;
  await login('sharing-reader');
  await page.goto(`${base.origin}/account/data/`);
  const readerId = await page.locator('main code').first().innerText();
  assert.match(readerId, /^[0-9a-f-]{36}$/);
  await login('sharing-owner');
  await page.goto(detail);
  await page.getByRole('link', {name: 'Share space', exact: true}).click();
  await page.getByLabel('Member ID').fill(readerId);
  await page.getByLabel('Access', {exact: true}).selectOption('viewer');
  await page.getByRole('button', {name: 'Update access'}).click();
  await page.waitForURL('**/sharing/');
  assert.match(await page.locator('main').innerText(), /Space access updated/);
  await login('sharing-reader');
  await page.goto(`${detail}?page=notes`);
  assert.match(await page.locator('#page-content').innerText(), /Original notes/);
  assert.equal(await page.getByRole('link', {name: 'Share space', exact: true}).count(), 0);
  assert.equal(await page.getByRole('link', {name: 'Edit page', exact: true}).count(), 0);
  await login('sharing-owner');
  await page.goto(`${detail}pages/notes/edit/`);
  const otherTab = await context.newPage();
  await otherTab.goto(`${detail}pages/notes/edit/`);
  await page.getByLabel('Body (markdown)').fill('First saved notes');
  await page.getByRole('button', {name: 'Save page'}).click();
  await page.waitForURL('**?page=notes');
  await otherTab.getByLabel('Body (markdown)').fill('Unsaved second-tab notes');
  await otherTab.getByRole('button', {name: 'Save page'}).click();
  assert.match(await otherTab.locator('main').innerText(), /Reopen it and merge/);
  assert.equal(await otherTab.getByLabel('Body (markdown)').inputValue(), 'Unsaved second-tab notes');
  await otherTab.close();
  await page.goto(`${detail}sharing/`);
  await page.getByLabel('Member ID').fill(readerId);
  await page.getByLabel('Access', {exact: true}).selectOption('owner');
  await page.getByRole('button', {name: 'Update access'}).click();
  await page.waitForURL('**/sharing/');
  await page.goto(`${base.origin}/account/data/`);
  await page.getByLabel('Type DELETE to remove your local account').fill('DELETE');
  await page.getByRole('button', {name: 'Remove local account'}).click();
  await page.waitForURL(base.origin + '/');
  assert.equal(await page.locator('header').getByRole('link', {name: 'Sign in', exact: true}).count(), 1);
  await login('sharing-reader');
  await page.goto(`${detail}?page=notes`);
  assert.match(await page.locator('#page-content').innerText(), /First saved notes/);
  await page.goto(`${base.origin}/account/data/`);
  assert.match(await page.locator('main').innerText(), /Before removal/);
  assert.equal(await page.getByRole('button', {name: 'Remove local account'}).count(), 0);
  console.log('Sharing, concurrent edits and retained-content exit passed');
} finally {
  await browser.close();
}