import { test, expect } from '@playwright/test';
import { ensureUser, hsReachable, loginUI, uniq } from './localHs';

// [Gitea #201 KE-1] When the server keeps rejecting this device's key uploads
// with "One time key … already exists", the app says so and offers the fix.
const CONFLICT = {
  errcode: 'M_UNKNOWN',
  error: 'One time key signed_curve25519:AAAAAAAAAA0 already exists. Old key: {}; new key: {}',
};

test.describe('key upload recovery (#201)', () => {
  test.beforeAll(async () => {
    test.skip(!(await hsReachable()), 'local homeserver not running');
  });

  test('a diverged device sees the banner, and Fix opens the logout dialog', async ({ page }) => {
    test.setTimeout(240_000);
    const user = await ensureUser(uniq('kup'));
    let rejected = 0;
    await page.route(/\/_matrix\/client\/v3\/keys\/upload/, async (route) => {
      rejected += 1;
      await route.fulfill({ status: 400, json: CONFLICT });
    });
    await loginUI(page, user);

    const banner = page
      .getByRole('alert')
      .filter({ hasText: /Encryption on this device is out of sync/ });
    await expect(banner).toBeVisible({ timeout: 200_000 });
    console.log(`key uploads rejected: ${rejected}`);
    expect(rejected).toBeGreaterThanOrEqual(3);

    await banner.getByRole('button', { name: 'Details' }).click();
    await expect(banner).toContainText('Settings → Devices');
    await expect(banner).toContainText('already exists');

    await banner.getByRole('button', { name: /Fix: sign out/ }).click();
    await expect(page.getByRole('dialog').getByText('Logout').first()).toBeVisible();
  });

  test('a healthy device never sees it', async ({ page }) => {
    test.setTimeout(120_000);
    const user = await ensureUser(uniq('kok'));
    await loginUI(page, user);
    await page.getByText('Connecting...').first().waitFor({ state: 'detached', timeout: 90_000 });
    await page.waitForTimeout(5000);
    await expect(page.getByText(/Encryption on this device is out of sync/)).toHaveCount(0);
  });
});