import { afterEach, beforeEach, describe, expect, it } from 'vitest'
import { enableAutoUnmount, flushPromises, type VueWrapper } from '@vue/test-utils'
import AccountView from '../../src/views/AccountView.vue'
import { currentUser } from '../../src/state/useAuth'
import { toasts } from '../../src/state/useToasts'
import { API, mountApp, profile, requestsTo, resetState, type Route } from '../helpers'

const ACCOUNT = `${API}/account`
const AVATAR = `${API}/account/avatar`

const signedIn = {
  ...profile.data,
  first_name: 'Dana',
  last_name: 'Dev',
  subtitle: 'Editor',
}

const avatar = { url: '/storage/uploads/abc/def/ghi/abcdefghi.png', thumb_url: '/storage/uploads/abc/def/ghi/thumb_9_250_250_0_0_crop.png' }

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

const invalid = (details: Record<string, string[]>) => ({
  status: 422,
  body: { error: { code: 'validation_failed', message: 'Validation failed', details } },
})

async function openAccount(user: Record<string, unknown> = signedIn, routes: Record<string, Route> = {}) {
  return mountApp('/account', { [`GET ${API}/auth/me`]: envelope(user), ...routes }, { attach: true })
}

function input(wrapper: VueWrapper, name: string) {
  return wrapper.find<HTMLInputElement>(`#account-${name}`)
}

async function typeInto(wrapper: VueWrapper, name: string, value: string): Promise<void> {
  await input(wrapper, name).setValue(value)
}

async function save(wrapper: VueWrapper): Promise<void> {
  await wrapper.find('[data-action="save"]').trigger('click')
  await flushPromises()
}

async function bodyOf(request: Request): Promise<Record<string, unknown>> {
  return (await request.clone().json()) as Record<string, unknown>
}

async function pickFile(wrapper: VueWrapper, file: File): Promise<void> {
  const element = wrapper.find<HTMLInputElement>('[data-account-avatar-input]')
  Object.defineProperty(element.element, 'files', { value: [file], configurable: true })
  await element.trigger('change')
  await flushPromises()
}

const dialog = () => document.body.querySelector<HTMLElement>('[data-confirm-dialog]')

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

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

enableAutoUnmount(afterEach)

describe('My account', () => {
  it('renders the signed-in profile with the login read-only', async () => {
    const { wrapper } = await openAccount()
    expect(wrapper.findComponent(AccountView).exists()).toBe(true)
    expect(wrapper.find('h1').text()).toBe('Moje konto')
    const login = input(wrapper, 'login')
    expect(login.element.value).toBe('dev')
    expect(login.attributes('readonly')).toBeDefined()
    expect(input(wrapper, 'first_name').element.value).toBe('Dana')
    expect(input(wrapper, 'last_name').element.value).toBe('Dev')
    expect(input(wrapper, 'email').element.value).toBe('dev@example.test')
    expect(input(wrapper, 'email').attributes('type')).toBe('email')
    expect(input(wrapper, 'subtitle').element.value).toBe('Editor')
    expect(input(wrapper, 'subtitle').attributes('aria-describedby')).toBe('account-subtitle-comment')
    expect(input(wrapper, 'current_password').attributes('autocomplete')).toBe('current-password')
    expect(input(wrapper, 'password').attributes('autocomplete')).toBe('new-password')
    expect(input(wrapper, 'password_confirmation').attributes('autocomplete')).toBe('new-password')
    expect(input(wrapper, 'password').element.value).toBe('')
    expect(wrapper.find('[data-account-avatar-initials]').text()).toBe('DD')
    expect(wrapper.find('[data-action="avatar-remove"]').exists()).toBe(false)
  })

  it('sends only the profile keys when no new password is typed', async () => {
    const { wrapper, calls } = await openAccount(signedIn, {
      [`PUT ${ACCOUNT}`]: envelope({ ...signedIn, first_name: 'Grace', subtitle: 'Admiral' }),
    })
    await typeInto(wrapper, 'first_name', 'Grace')
    await typeInto(wrapper, 'subtitle', 'Admiral')
    await typeInto(wrapper, 'current_password', 'typed-but-unused')
    await save(wrapper)
    const [request] = requestsTo(calls, 'PUT', ACCOUNT)
    expect(request!.headers.get('X-Requested-With')).toBe('XMLHttpRequest')
    expect(await bodyOf(request!)).toEqual({
      first_name: 'Grace',
      last_name: 'Dev',
      email: 'dev@example.test',
      subtitle: 'Admiral',
    })
    expect(currentUser.value?.first_name).toBe('Grace')
    expect(currentUser.value?.subtitle).toBe('Admiral')
    expect(toasts.value[0]).toMatchObject({ text: 'Zapisano konto', tone: 'success' })
  })

  it('sends the password keys with a new password, updates the top bar and clears the inputs', async () => {
    const { wrapper, calls } = await openAccount(signedIn, {
      [`PUT ${ACCOUNT}`]: envelope({ ...signedIn, first_name: 'Grace', last_name: 'Hopper' }),
    })
    await typeInto(wrapper, 'first_name', 'Grace')
    await typeInto(wrapper, 'last_name', 'Hopper')
    await typeInto(wrapper, 'current_password', 'old-secret')
    await typeInto(wrapper, 'password', 'new-secret')
    await typeInto(wrapper, 'password_confirmation', 'new-secret')
    await save(wrapper)
    const [request] = requestsTo(calls, 'PUT', ACCOUNT)
    expect(await bodyOf(request!)).toEqual({
      first_name: 'Grace',
      last_name: 'Hopper',
      email: 'dev@example.test',
      subtitle: 'Editor',
      current_password: 'old-secret',
      password: 'new-secret',
      password_confirmation: 'new-secret',
    })
    expect(input(wrapper, 'current_password').element.value).toBe('')
    expect(input(wrapper, 'password').element.value).toBe('')
    expect(input(wrapper, 'password_confirmation').element.value).toBe('')
    expect(wrapper.find('[data-user-identity]').text()).toContain('Grace Hopper')
    expect(wrapper.find('[data-user-initials]').text()).toBe('GH')
  })

  it('shows 422 errors on their fields, focuses the first and clears an error on input', async () => {
    const { wrapper } = await openAccount(signedIn, {
      [`PUT ${ACCOUNT}`]: invalid({
        current_password: ['Obecne hasło jest nieprawidłowe.'],
        email: ['The email has already been taken.'],
        role_id: ['Tego pola nie można zmienić w ustawieniach konta.'],
      }),
    })
    await typeInto(wrapper, 'password', 'new-secret')
    await save(wrapper)
    expect(wrapper.find('[data-error-banner]').exists()).toBe(true)
    expect(wrapper.find('[data-error-banner]').text()).toContain('Tego pola nie można zmienić')
    const email = input(wrapper, 'email')
    expect(email.attributes('aria-invalid')).toBe('true')
    expect(email.attributes('aria-describedby')).toBe('account-email-error')
    expect(wrapper.find('#account-email-error').text()).toBe('The email has already been taken.')
    expect(wrapper.find('#account-current_password-error').text()).toBe('Obecne hasło jest nieprawidłowe.')
    expect(document.activeElement).toBe(email.element)
    expect(currentUser.value?.first_name).toBe('Dana')
    await typeInto(wrapper, 'email', 'other@example.test')
    expect(wrapper.find('#account-email-error').exists()).toBe(false)
    expect(wrapper.find('#account-current_password-error').exists()).toBe(true)
  })

  it('toasts the generic error on any other failure', async () => {
    const { wrapper } = await openAccount(signedIn, {
      [`PUT ${ACCOUNT}`]: { status: 500, body: { error: { code: 'error', message: 'Server error', details: {} } } },
    })
    await save(wrapper)
    expect(toasts.value[0]).toMatchObject({ text: 'Nie udało się zapisać zmian. Spróbuj ponownie.', tone: 'danger' })
    expect(wrapper.find('[data-error-banner]').exists()).toBe(false)
  })

  it('uploads the avatar as one file_data part and shows it in the top bar', async () => {
    const posted: string[] = []
    const { wrapper, calls } = await openAccount(signedIn, {
      [`POST ${AVATAR}`]: async (request) => {
        const form = await request.formData()
        const file = form.get('file_data') as File
        posted.push([...form.keys()].join(','), file.name, await file.text())
        return envelope({ ...signedIn, avatar })
      },
    })
    await pickFile(wrapper, new File(['png-bytes'], 'me.png', { type: 'image/png' }))
    const [request] = requestsTo(calls, 'POST', AVATAR)
    expect(request!.headers.get('X-Requested-With')).toBe('XMLHttpRequest')
    expect(request!.headers.get('Content-Type')).toMatch(/^multipart\/form-data; boundary=/)
    expect(posted).toEqual(['file_data', 'me.png', 'png-bytes'])
    expect(currentUser.value?.avatar).toEqual(avatar)
    expect(wrapper.find('[data-account-avatar-image]').attributes('src')).toBe(avatar.thumb_url)
    expect(wrapper.find('[data-user-avatar]').attributes('src')).toBe(avatar.thumb_url)
    expect(wrapper.find('[data-user-initials]').exists()).toBe(false)
    expect(toasts.value[0]).toMatchObject({ text: 'Zapisano awatar', tone: 'success' })
    expect(wrapper.find('[data-account-avatar-input]').attributes('accept')).toBe('image/jpeg,image/png,image/gif,image/webp')
  })

  it('shows the avatar 422 detail and the hint on 413', async () => {
    let status = 422
    const { wrapper } = await openAccount(signedIn, {
      [`POST ${AVATAR}`]: () =>
        status === 422
          ? invalid({ avatar: ['The avatar must be an image.'] })
          : { status: 413, body: { error: { code: 'payload_too_large', message: 'Payload too large', details: {} } } },
    })
    await pickFile(wrapper, new File(['<svg/>'], 'logo.svg', { type: 'image/svg+xml' }))
    expect(wrapper.find('[data-avatar-error]').text()).toBe('The avatar must be an image.')
    expect(currentUser.value?.avatar).toBeUndefined()
    status = 413
    await pickFile(wrapper, new File(['x'], 'big.png', { type: 'image/png' }))
    expect(wrapper.find('[data-avatar-error]').text()).toBe('JPG, PNG, GIF lub WebP, maksymalnie 2 MB.')
  })

  it('removes the avatar after a confirmation', async () => {
    const { wrapper, calls } = await openAccount({ ...signedIn, avatar }, {
      [`DELETE ${AVATAR}`]: envelope(signedIn),
    })
    expect(wrapper.find('[data-account-avatar-image]').attributes('src')).toBe(avatar.thumb_url)
    await wrapper.find('[data-action="avatar-remove"]').trigger('click')
    await flushPromises()
    expect(dialog()!.textContent).toContain('Usunąć awatar?')
    dialog()!.querySelector<HTMLButtonElement>('[data-action="cancel"]')!.click()
    await flushPromises()
    expect(requestsTo(calls, 'DELETE', AVATAR)).toHaveLength(0)

    await wrapper.find('[data-action="avatar-remove"]').trigger('click')
    await flushPromises()
    dialog()!.querySelector<HTMLButtonElement>('[data-action="confirm"]')!.click()
    await flushPromises()
    expect(requestsTo(calls, 'DELETE', AVATAR)).toHaveLength(1)
    expect(currentUser.value?.avatar).toBeUndefined()
    expect(wrapper.find('[data-account-avatar-initials]').text()).toBe('DD')
    expect(wrapper.find('[data-action="avatar-remove"]').exists()).toBe(false)
    expect(toasts.value[0]).toMatchObject({ text: 'Usunięto awatar', tone: 'success' })
  })

  it('names the page in the breadcrumbs and the document title', async () => {
    const { wrapper } = await openAccount()
    expect(wrapper.find('[data-crumb]').text()).toBe('Moje konto')
    expect(document.title).toBe('Moje konto | SummerCMS')
  })
})