import { Page } from '@playwright/test';

/**
 * Log in to LuCI with empty root password.
 * Handles the "No password set" notification if it appears.
 */
export async function login(page: Page): Promise<void> {
  await page.goto('/cgi-bin/luci');
  // Wait for the JS framework to finish instantiating the login view.
  await page.waitForFunction(() => {
    const view = document.querySelector('#view');
    return view && !view.querySelector('.spinning');
  }, { timeout: 30_000, polling: 500 });
  await page.waitForSelector('#luci_username', { state: 'visible', timeout: 30_000 });
  await page.fill('#luci_username', 'root');
  await page.fill('#luci_password', '');
  await page.click('.cbi-button-positive');
  // Wait for navigation into the admin overview.
  await page.waitForURL(/\/cgi-bin\/luci\//, { timeout: 30_000 });
  // LuCI admin page can take ~15s on first cold load; give it time to render.
  await page.waitForFunction(() => {
    const view = document.querySelector('#view');
    return view && !view.querySelector('.spinning');
  }, { timeout: 30_000, polling: 500 });
  // Dismiss "No password set" modal/notification if present.
  const closeBtn = page.locator('.alert-message .close, .alert-message button, [data-dismiss="alert"]').first();
  try {
    await closeBtn.click({ timeout: 2_000 });
  } catch {
    // No notification to dismiss.
  }
}

/**
 * Reset the active gateway back to amsterdam via direct ubus RPC.
 */
export async function resetToAmsterdam(page: Page): Promise<void> {
  const loginRes = await page.request.post('/ubus', {
    data: {
      jsonrpc: '2.0',
      id: 1,
      method: 'call',
      params: ['00000000000000000000000000000000', 'session', 'login', { username: 'root', password: '' }],
    },
  });
  const loginData = await loginRes.json();
  const token = loginData.result?.[1]?.ubus_rpc_session;
  if (!token) throw new Error('ubus login failed');

  await page.request.post('/ubus', {
    data: {
      jsonrpc: '2.0',
      id: 2,
      method: 'call',
      params: [token, 'zt-gateway', 'switch', { region: 'amsterdam', mode: 'force' }],
    },
  });
}