import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { enableAutoUnmount, flushPromises } from '@vue/test-utils'
import { toasts } from '../../src/state/useToasts'
import { API, keydown, mountApp, queryOf, requestsTo, resetState, type Reply, type Route } from '../helpers'

const TOKENS = `${API}/account/tokens`
const SCOPES = `${API}/account/tokens/scopes`
const TOKEN_ID = `${API}/account/tokens/11`

const envelope = (data: unknown, status = 200) => ({ status, body: { data, meta: {} } })

const existingToken = {
  id: 11,
  name: 'Blog agent',
  hint: 'a1b2',
  scopes: [
    {
      name: 'admin:read',
      label: 'Read-only, whole admin',
      description: 'View everything',
      read_only: true,
      known: true,
    },
  ],
  created_at: '2026-01-10T12:00:00Z',
  last_used_at: '',
  expires_at: '2026-04-10T12:00:00Z',
  revoked_at: '',
  expired: false,
}

const revokedToken = {
  ...existingToken,
  id: 13,
  name: 'Old token',
  hint: 'dead',
  revoked_at: '2026-02-01T08:30:00Z',
}

const createdToken = {
  ...existingToken,
  id: 12,
  name: 'CI runner',
  hint: 'c3d4',
  token: 'g15_0123456789abcdef0123456789abcdef01234567',
}

const scopes = [
  {
    name: '*',
    label: 'Full access',
    description: 'Everything',
    read_only: false,
    known: true,
  },
  {
    name: 'admin:read',
    label: 'Read-only, whole admin',
    description: 'View everything',
    read_only: true,
    known: true,
  },
]

function deferred(): { route: () => Promise<Reply>; release: (reply: Reply) => void } {
  let release!: (reply: Reply) => void
  const pending = new Promise<Reply>((resolve) => {
    release = resolve
  })
  return { route: () => pending, release }
}

function tokenRoutes(overrides: Record<string, Route> = {}, list: unknown[] = [existingToken]): Record<string, Route> {
  let listed = list
  return {
    [`GET ${TOKENS}`]: () => envelope(listed),
    [`GET ${SCOPES}`]: envelope(scopes),
    [`POST ${TOKENS}`]: () => {
      listed = [createdToken, ...listed]
      return envelope(createdToken, 201)
    },
    ...overrides,
  }
}

async function openAccount(routes: Record<string, Route> = {}, list: unknown[] = [existingToken]) {
  return mountApp('/account', tokenRoutes(routes, list), { attach: true })
}

const panel = () => document.body.querySelector<HTMLElement>('[data-api-tokens]')
const dialog = () => document.body.querySelector<HTMLElement>('[data-token-dialog]')
const confirmDialog = () => document.body.querySelector<HTMLElement>('[data-confirm-dialog]')

async function click(selector: string, root: ParentNode = document.body): Promise<void> {
  const el = root.querySelector<HTMLElement>(selector)
  el?.click()
  await flushPromises()
}

beforeEach(() => {
  resetState()
})

afterEach(() => {
  document.body.innerHTML = ''
  vi.unstubAllGlobals()
})

enableAutoUnmount(afterEach)

describe('ApiTokensPanel', () => {
  it('tracer: list, create, show once, hide', async () => {
    const { calls } = await openAccount()
    await flushPromises()
    expect(panel()).toBeTruthy()
    expect(panel()!.querySelector('[data-token-row="11"]')).toBeTruthy()

    await click('[data-action="create-token"]', panel()!)
    expect(dialog()).toBeTruthy()

    const nameInput = dialog()!.querySelector<HTMLInputElement>('#api-token-name')!
    await nameInput.focus()
    nameInput.value = 'CI runner'
    nameInput.dispatchEvent(new Event('input', { bubbles: true }))
    await flushPromises()

    const scope = dialog()!.querySelector<HTMLInputElement>('[data-scope="admin:read"] input')!
    scope.checked = true
    scope.dispatchEvent(new Event('change', { bubbles: true }))
    await flushPromises()

    const getsBeforeCreate = requestsTo(calls, 'GET', TOKENS).length
    await click('[data-action="create-token-submit"]', dialog()!)
    const [post] = requestsTo(calls, 'POST', TOKENS)
    expect(post).toBeTruthy()
    expect(await post!.clone().json()).toEqual({
      name: 'CI runner',
      expires: '90d',
      scopes: ['admin:read'],
    })

    const plaintext = dialog()!.querySelector<HTMLInputElement>('[data-token-plaintext]')!
    expect(plaintext.value).toBe(createdToken.token)
    expect(requestsTo(calls, 'GET', TOKENS).length).toBeGreaterThan(getsBeforeCreate)

    await click('[data-action="hide-token"]', dialog()!)
    expect(dialog()).toBeNull()
    expect(document.body.textContent).not.toContain(createdToken.token)
  })

  describe('list states', () => {
    it('shows skeleton then the empty block', async () => {
      const pending = deferred()
      const { wrapper } = await mountApp(
        '/account',
        tokenRoutes({ [`GET ${TOKENS}`]: pending.route }, []),
        { attach: true },
      )
      expect(panel()!.querySelector('[data-token-list]')!.getAttribute('aria-busy')).toBe('true')
      expect(panel()!.querySelectorAll('[aria-hidden="true"]').length).toBeGreaterThanOrEqual(3)
      expect(panel()!.querySelector<HTMLButtonElement>('[data-action="create-token"]')!.disabled).toBe(true)
      pending.release(envelope([]))
      await flushPromises()
      expect(panel()!.querySelector('[data-tokens-empty]')).toBeTruthy()
      expect(panel()!.querySelector('[data-action="create-token"]')!.hasAttribute('disabled')).toBe(false)
      wrapper.unmount()
    })

    it('shows the alert and hides the toggle when the load fails', async () => {
      await openAccount({
        [`GET ${TOKENS}`]: { status: 500, body: { error: { code: 'x', message: 'fail', details: {} } } },
      })
      expect(panel()!.querySelector('[data-tokens-error]')!.getAttribute('role')).toBe('alert')
      expect(panel()!.querySelector('[data-show-revoked]')).toBeNull()
      expect(panel()!.querySelector<HTMLButtonElement>('[data-action="create-token"]')!.disabled).toBe(false)
    })
  })

  describe('revoke', () => {
    it('runs DELETE through the shared confirm and toasts success', async () => {
      const { calls } = await openAccount({
        [`DELETE ${TOKEN_ID}`]: envelope({ ...existingToken, revoked_at: '2026-03-01T10:00:00Z' }),
      })
      await click('[data-action="revoke-token"]', panel()!)
      expect(confirmDialog()).toBeTruthy()
      await click('[data-action="confirm"]', confirmDialog()!)
      expect(requestsTo(calls, 'DELETE', TOKEN_ID)).toHaveLength(1)
      expect(toasts.value[0]).toMatchObject({ text: 'Unieważniono token', tone: 'success' })
    })

    it('toasts gone on 404 and reloads', async () => {
      let listed: unknown[] = [existingToken]
      const { calls } = await openAccount({
        [`GET ${TOKENS}`]: () => envelope(listed),
        [`DELETE ${TOKEN_ID}`]: () => {
          listed = []
          return { status: 404, body: { error: { code: 'not_found', message: 'gone', details: {} } } }
        },
      })
      const getsBefore = requestsTo(calls, 'GET', TOKENS).length
      await click('[data-action="revoke-token"]', panel()!)
      await click('[data-action="confirm"]', confirmDialog()!)
      expect(toasts.value[0]).toMatchObject({
        text: 'Ten token już nie istnieje. Lista została odświeżona.',
        tone: 'danger',
      })
      expect(requestsTo(calls, 'GET', TOKENS).length).toBeGreaterThan(getsBefore)
      expect(panel()!.querySelector('[data-tokens-empty]')).toBeTruthy()
    })

    it('requests revoked=1 and hides revoke on revoked rows', async () => {
      const { calls } = await openAccount({
        [`GET ${TOKENS}`]: (request) =>
          envelope(queryOf(request).get('revoked') === '1' ? [existingToken, revokedToken] : [existingToken]),
      })
      const toggle = panel()!.querySelector<HTMLInputElement>('[data-show-revoked]')!
      toggle.checked = true
      toggle.dispatchEvent(new Event('change', { bubbles: true }))
      await flushPromises()
      const withRevoked = requestsTo(calls, 'GET', TOKENS).filter((request) => queryOf(request).get('revoked') === '1')
      expect(withRevoked.length).toBeGreaterThan(0)
      expect(panel()!.querySelector('[data-token-row="13"]')).toBeTruthy()
      expect(panel()!.querySelector('[data-token-row="13"] [data-action="revoke-token"]')).toBeNull()
      expect(panel()!.querySelector('[data-token-row="11"] [data-action="revoke-token"]')).toBeTruthy()
    })
  })

  describe('dialog rules', () => {
    async function openCreateDialog(routes: Record<string, Route> = {}) {
      const mounted = await openAccount(routes)
      await click('[data-action="create-token"]', panel()!)
      await flushPromises()
      return mounted
    }

    async function fillName(value: string): Promise<void> {
      const nameInput = dialog()!.querySelector<HTMLInputElement>('#api-token-name')!
      nameInput.value = value
      nameInput.dispatchEvent(new Event('input', { bubbles: true }))
      await flushPromises()
    }

    it('disables other scopes when * is checked and posts only ["*"]', async () => {
      const { calls } = await openCreateDialog()
      await fillName('Full')
      const star = dialog()!.querySelector<HTMLInputElement>('[data-scope="*"] input')!
      star.checked = true
      star.dispatchEvent(new Event('change', { bubbles: true }))
      await flushPromises()
      expect(dialog()!.querySelector<HTMLInputElement>('[data-scope="admin:read"] input')!.disabled).toBe(true)
      expect(dialog()!.textContent).toContain('Pełny dostęp obejmuje wszystkie pozostałe zakresy.')
      await click('[data-action="create-token-submit"]', dialog()!)
      const [post] = requestsTo(calls, 'POST', TOKENS)
      expect(await post!.clone().json()).toEqual({ name: 'Full', expires: '90d', scopes: ['*'] })
    })

    it('renders a 422 on scopes and focuses the first scope checkbox', async () => {
      await openCreateDialog({
        [`POST ${TOKENS}`]: {
          status: 422,
          body: {
            error: {
              code: 'validation_failed',
              message: 'Validation failed',
              details: { scopes: ['Wybierz co najmniej jeden zakres.'] },
            },
          },
        },
      })
      await fillName('No scope')
      await click('[data-action="create-token-submit"]', dialog()!)
      expect(dialog()!.textContent).toContain('Wybierz co najmniej jeden zakres.')
      expect(document.activeElement).toBe(dialog()!.querySelector('[data-scope="*"] input'))
    })

    it('shows Copied on clipboard success and copy_failed on rejection', async () => {
      const writeText = vi.fn().mockResolvedValue(undefined)
      Object.defineProperty(navigator, 'clipboard', {
        configurable: true,
        value: { writeText },
      })
      await openCreateDialog()
      await fillName('Copy me')
      const scope = dialog()!.querySelector<HTMLInputElement>('[data-scope="admin:read"] input')!
      scope.checked = true
      scope.dispatchEvent(new Event('change', { bubbles: true }))
      await flushPromises()
      await click('[data-action="create-token-submit"]', dialog()!)
      await click('[data-action="copy-token"]', dialog()!)
      expect(writeText).toHaveBeenCalledWith(createdToken.token)
      expect(dialog()!.querySelector('[data-action="copy-token"]')!.textContent).toContain('Skopiowano')
      expect(dialog()!.querySelector('[aria-live="polite"]')!.textContent).toContain(
        'Skopiowano token do schowka.',
      )

      writeText.mockRejectedValueOnce(new Error('denied'))
      await click('[data-action="copy-token"]', dialog()!)
      expect(dialog()!.querySelector('[role="alert"]')!.textContent).toContain(
        'Nie udało się skopiować automatycznie',
      )
      expect(document.activeElement).toBe(dialog()!.querySelector('[data-token-plaintext]'))
    })

    it('asks before closing step 2 without a copy and keeps the step on cancel', async () => {
      await openCreateDialog()
      await fillName('Guard')
      const scope = dialog()!.querySelector<HTMLInputElement>('[data-scope="admin:read"] input')!
      scope.checked = true
      scope.dispatchEvent(new Event('change', { bubbles: true }))
      await flushPromises()
      await click('[data-action="create-token-submit"]', dialog()!)
      expect(dialog()!.querySelector('[data-token-plaintext]')).toBeTruthy()
      keydown(dialog()!, 'Escape')
      await flushPromises()
      // Reka Escape may be handled as escape-key-down; fall back to the close button.
      if (!confirmDialog()) {
        await click('[data-action="close"]', dialog()!)
      }
      expect(confirmDialog()).toBeTruthy()
      expect(confirmDialog()!.textContent).toContain('Zamknąć bez kopiowania')
      await click('[data-action="cancel"]', confirmDialog()!)
      expect(dialog()!.querySelector<HTMLInputElement>('[data-token-plaintext]')!.value).toBe(
        createdToken.token,
      )
    })
  })
})