/**
 * Sprint 16: UI helpers для regression-flow тестов.
 *
 * `attachSession(page, sess)` — устанавливает access_token в localStorage
 * и идёт на нужный путь. Без UI-логина (быстрее).
 *
 * `watchPage(page)` — слушатель console-error + network-4xx/5xx с
 * фильтром на ожидаемое (см. `expectNoErrors`).
 */
import { type Page, type ConsoleMessage } from '@playwright/test'
import type { OrgSession } from '../factories/types.js'

export async function attachSession(page: Page, sess: OrgSession, gotoPath = '/dashboard'): Promise<void> {
  // Открываем /login — там SPA уже сделал init и слушает localStorage.
  await page.goto('/login')
  await page.evaluate((tok) => localStorage.setItem('fm.access_token', tok), sess.accessToken)
  await page.goto(gotoPath, { waitUntil: 'domcontentloaded' })
}

export interface CollectedErrors {
  console: string[]
  network: string[]
}

export function watchPage(page: Page, opts?: {
  expectedConsoleContains?: string[]
  expected4xxContains?: string[]
}): CollectedErrors {
  const acc: CollectedErrors = { console: [], network: [] }
  page.on('console', (msg: ConsoleMessage) => {
    if (msg.type() !== 'error') return
    const t = msg.text()
    if (/^Failed to load resource: the server responded with a status of \d+/i.test(t)) return
    if (/net::ERR_(NETWORK_CHANGED|INTERNET_DISCONNECTED|CONNECTION_RESET|NAME_NOT_RESOLVED|CONNECTION_REFUSED|TIMED_OUT|ABORTED)/i.test(t)) return
    if ((opts?.expectedConsoleContains ?? []).some(s => t.includes(s))) return
    acc.console.push(t)
  })
  page.on('response', (resp) => {
    const status = resp.status()
    if (status < 400) return
    const url = resp.url()
    if (status === 401 && /\/(api|connect)\//.test(url)) return
    if ((opts?.expected4xxContains ?? []).some(s => url.includes(s))) return
    acc.network.push(`${status} ${resp.request().method()} ${url}`)
  })
  return acc
}

export function expectNoErrors(acc: CollectedErrors, where: string): void {
  if (acc.console.length || acc.network.length) {
    const msg = [
      `Errors on ${where}:`,
      ...acc.console.map(c => `  CONSOLE: ${c}`),
      ...acc.network.map(n => `  NET: ${n}`),
    ].join('\n')
    throw new Error(msg)
  }
}