import { test, expect } from '@playwright/test'
import {
  clearMailpit,
  countMessagesTo,
  waitForPasswordResetToken,
} from './helpers/mailpit'

const forgotSuccessMessage =
  'Om e-postadressen finns har vi skickat instruktioner för att återställa lösenordet.'

test.describe('Password reset', () => {
  test('login page links to forgot password', async ({ page }) => {
    await page.goto('/logga-in')
    await page.getByRole('link', { name: 'Glömt lösenord?' }).click()
    await expect(page).toHaveURL('/glomt-losenord')
    await expect(
      page.getByRole('heading', { name: 'Glömt lösenord?' }),
    ).toBeVisible()
  })

  test('forgot password page submits and shows success', async ({ page }) => {
    await page.goto('/glomt-losenord')
    await page.getByLabel('E-postadress').fill('test@bilhej.se')
    await page
      .getByRole('button', { name: 'Skicka återställningslänk' })
      .click()

    await expect(page.getByText(forgotSuccessMessage)).toBeVisible()
  })

  test('unknown email gets same success message as known user', async ({
    request,
  }) => {
    const known = await request.post('/api/auth/forgot-password', {
      data: { email: 'test@bilhej.se' },
    })
    const unknown = await request.post('/api/auth/forgot-password', {
      data: { email: 'nobody-reset-e2e@bilhej.se' },
    })

    expect(known.ok()).toBeTruthy()
    expect(unknown.ok()).toBeTruthy()
    const knownBody = await known.json()
    const unknownBody = await unknown.json()
    expect(knownBody.message).toBe(forgotSuccessMessage)
    expect(unknownBody.message).toBe(forgotSuccessMessage)
    expect(unknownBody.testToken).toBeUndefined()
  })

  test('full reset flow with isolated user', async ({ page, request }) => {
    const email = `reset-e2e-${Date.now()}@bilhej.se`
    const oldPassword = 'oldpass1234'
    const newPassword = 'resetpass1234'

    const register = await request.post('/api/auth/register', {
      data: { email, password: oldPassword },
    })
    expect(register.ok()).toBeTruthy()

    const forgot = await request.post('/api/auth/forgot-password', {
      data: { email },
    })
    expect(forgot.ok()).toBeTruthy()
    const forgotBody = await forgot.json()
    expect(forgotBody.testToken).toBeTruthy()

    await page.goto(`/aterstall-losenord?token=${forgotBody.testToken}`)
    await page.getByLabel('Nytt lösenord').fill(newPassword)
    await page.getByLabel('Bekräfta lösenord').fill(newPassword)
    await page.getByRole('button', { name: 'Spara nytt lösenord' }).click()

    await expect(
      page.getByText('Lösenordet har uppdaterats. Du kan nu logga in.'),
    ).toBeVisible({ timeout: 10000 })

    await page.goto('/logga-in')
    await page.getByLabel('E-postadress').fill(email)
    await page.getByLabel('Lösenord').fill(newPassword)
    await page.getByRole('button', { name: 'Logga in' }).click()
    await expect(page).toHaveURL('/')
  })

  test('login fails with old password after reset', async ({ request }) => {
    const email = `reset-oldpw-${Date.now()}@bilhej.se`
    const oldPassword = 'oldpass1234'
    const newPassword = 'resetpass1234'

    await request.post('/api/auth/register', {
      data: { email, password: oldPassword },
    })
    const forgot = await request.post('/api/auth/forgot-password', {
      data: { email },
    })
    const { testToken } = await forgot.json()
    await request.post('/api/auth/reset-password', {
      data: { token: testToken, password: newPassword },
    })

    const login = await request.post('/api/auth/login', {
      data: { email, password: oldPassword },
    })
    expect(login.status()).toBe(401)
  })

  test('invalid token shows error and link to request new', async ({ page }) => {
    await page.goto('/aterstall-losenord?token=invalid')
    await page.getByLabel('Nytt lösenord').fill('newpassword123')
    await page.getByLabel('Bekräfta lösenord').fill('newpassword123')
    await page.getByRole('button', { name: 'Spara nytt lösenord' }).click()

    await expect(
      page.getByText('Återställningslänken är ogiltig eller har gått ut'),
    ).toBeVisible()
    await expect(
      page.getByRole('link', { name: 'Begär ny länk' }),
    ).toHaveAttribute('href', '/glomt-losenord')
  })

  test('missing token shows invalid link error', async ({ page }) => {
    await page.goto('/aterstall-losenord')
    await expect(
      page.getByText('Återställningslänken saknar en giltig kod.'),
    ).toBeVisible()
    await expect(
      page.getByRole('link', { name: 'Begär ny länk' }),
    ).toHaveAttribute('href', '/glomt-losenord')
  })

  test('delivers reset link via Mailpit SMTP', async ({ page, request }) => {
    const email = `mailpit-e2e-${Date.now()}@bilhej.se`
    const oldPassword = 'oldpass1234'
    const newPassword = 'mailpitpass1234'

    await clearMailpit(request)

    const register = await request.post('/api/auth/register', {
      data: { email, password: oldPassword },
    })
    expect(register.ok()).toBeTruthy()

    const forgot = await request.post('/api/auth/forgot-password', {
      data: { email },
    })
    expect(forgot.ok()).toBeTruthy()

    const token = await waitForPasswordResetToken(request, email, {
      publicBaseUrl: 'http://frontend',
    })

    await page.goto(`/aterstall-losenord?token=${token}`)
    await page.getByLabel('Nytt lösenord').fill(newPassword)
    await page.getByLabel('Bekräfta lösenord').fill(newPassword)
    await page.getByRole('button', { name: 'Spara nytt lösenord' }).click()

    await expect(
      page.getByText('Lösenordet har uppdaterats. Du kan nu logga in.'),
    ).toBeVisible({ timeout: 10000 })

    const login = await request.post('/api/auth/login', {
      data: { email, password: newPassword },
    })
    expect(login.ok()).toBeTruthy()
  })

  test('does not send Mailpit message for unknown email', async ({
    request,
  }) => {
    await clearMailpit(request)

    const forgot = await request.post('/api/auth/forgot-password', {
      data: { email: 'nobody-mailpit-e2e@bilhej.se' },
    })
    expect(forgot.ok()).toBeTruthy()

    await new Promise((resolve) => setTimeout(resolve, 2000))

    expect(await countMessagesTo(request, 'nobody-mailpit-e2e@bilhej.se')).toBe(0)
  })
})