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

export function uniqueUsername(prefix = 'e2e'): string {
  return `${prefix}_${Date.now()}_${Math.random().toString(36).slice(2, 8)}`
}

export async function registerViaUi(
  page: Page,
  username: string,
  password: string,
  displayName?: string,
) {
  await page.goto('/login')
  await page.getByRole('button', { name: 'ثبت‌نام کن' }).click()
  if (displayName) {
    await page.getByLabel('نام نمایشی').fill(displayName)
  }
  await page.getByLabel('نام کاربری').fill(username)
  await page.getByLabel('رمز عبور').fill(password)
  await page.getByRole('button', { name: 'ثبت‌نام' }).click()
  await page.waitForURL('/')
}

export async function loginViaUi(page: Page, username: string, password: string) {
  await page.goto('/login')
  await page.getByLabel('نام کاربری').fill(username)
  await page.getByLabel('رمز عبور').fill(password)
  await page.getByRole('button', { name: 'ورود', exact: true }).click()
  await page.waitForURL('/')
}

export async function logoutViaProfile(page: Page) {
  await page.goto('/profile')
  await page.getByRole('button', { name: 'خروج' }).click()
  await page.waitForURL('/login')
}

export async function getAuthToken(page: Page): Promise<string | null> {
  return page.evaluate(() => localStorage.getItem('gold-land-auth-token'))
}

export async function fetchMe(page: Page) {
  const token = await getAuthToken(page)
  if (!token) throw new Error('no auth token')
  const res = await page.request.get('/api/me', {
    headers: { authorization: `Bearer ${token}` },
  })
  if (!res.ok()) throw new Error(`GET /api/me failed: ${res.status()}`)
  return res.json() as Promise<{
    user: { xp: number; coins: number; name: string }
    progress: {
      mapLevels: Array<{ id: number; stars: number; status: string }>
      totalStars: number
      completedChallenges: string[]
      claimedRewards: string[]
      ownedItems: string[]
    }
    wallet: { cash: number; goldGrams: number }
  }>
}