import { act, renderHook } from '@testing-library/react'
import { beforeEach, describe, expect, it, vi } from 'vitest'

import { useAuthFlow } from '@/features/auth/useAuthFlow'
import { texts } from '@/texts'

const mocks = vi.hoisted(() => ({
  addToast: vi.fn(),
  checkLoginOtp: vi.fn(),
  completeProfile: vi.fn(),
  replace: vi.fn(),
  sendLoginOtp: vi.fn(),
}))

vi.mock('@/lib/toast', () => ({ addToast: mocks.addToast }))
vi.mock('next/navigation', () => ({
  useRouter: () => ({ replace: mocks.replace }),
  useSearchParams: () => new URLSearchParams(),
}))
vi.mock('@/hooks/useAuth', () => ({
  default: () => ({
    checkLoginOtp: mocks.checkLoginOtp,
    completeProfile: mocks.completeProfile,
    sendLoginOtp: mocks.sendLoginOtp,
    user: null,
  }),
}))

describe('useAuthFlow registration consent', () => {
  beforeEach(() => {
    vi.clearAllMocks()
    mocks.checkLoginOtp.mockResolvedValue('pending')
  })

  it('completes the OTP login funnel', async () => {
    mocks.sendLoginOtp.mockResolvedValue({ purpose: 'login', expiresIn: 120, resendIn: 60 })
    mocks.checkLoginOtp.mockResolvedValue('active')
    const { result } = renderHook(() => useAuthFlow({ navigateOnSuccess: false }))

    await act(() => result.current.sendOtp({ mobile: '09123456789' }))
    await act(() => result.current.checkOtp({ code: '1234' }))

    expect(result.current.otpTtl).toBe(120)
    expect(result.current.resendCodeTime).toBe(120)
  })

  it('requires accepting terms when the OTP purpose is register', async () => {
    mocks.sendLoginOtp.mockResolvedValue({ purpose: 'register', expiresIn: 120, resendIn: 60 })
    const { result } = renderHook(() => useAuthFlow({ navigateOnSuccess: false }))

    await act(() => result.current.sendOtp({ mobile: '09123456789' }))

    expect(result.current.isRegistration).toBe(true)
    expect(result.current.termsAccepted).toBe(false)

    await act(() => result.current.checkOtp({ code: '1234' }))

    expect(mocks.checkLoginOtp).not.toHaveBeenCalled()
    expect(result.current.termsError).toBe(texts.auth.termsRequiredMessage)

    act(() => {
      result.current.updateTermsAccepted(true)
    })
    await act(() => result.current.checkOtp({ code: '1234' }))

    expect(mocks.checkLoginOtp).toHaveBeenCalledWith({
      mobile: '09123456789',
      code: '1234',
      termsAccepted: true,
    })
  })

  it('skips explicit terms acceptance when requireTermsAcceptance is false', async () => {
    mocks.sendLoginOtp.mockResolvedValue({ purpose: 'register', expiresIn: 120, resendIn: 60 })
    const { result } = renderHook(() => useAuthFlow({ navigateOnSuccess: false, requireTermsAcceptance: false }))

    await act(() => result.current.sendOtp({ mobile: '09123456789' }))
    await act(() => result.current.checkOtp({ code: '1234' }))

    expect(mocks.checkLoginOtp).toHaveBeenCalledWith({
      mobile: '09123456789',
      code: '1234',
      termsAccepted: true,
    })
  })

  it('does not require terms consent for an existing user login', async () => {
    mocks.sendLoginOtp.mockResolvedValue({ purpose: 'login', expiresIn: 120, resendIn: 60, alreadySent: false })
    const { result } = renderHook(() => useAuthFlow({ navigateOnSuccess: false }))

    await act(() => result.current.sendOtp({ mobile: '09123456789' }))
    await act(() => result.current.checkOtp({ code: '1234' }))

    expect(result.current.isRegistration).toBe(false)
    expect(result.current.termsError).toBeNull()
    expect(mocks.checkLoginOtp).toHaveBeenCalledOnce()
  })

  it('reuses a still-valid OTP window instead of restarting the 120-second countdown', async () => {
    mocks.sendLoginOtp.mockResolvedValue({ purpose: 'login', expiresIn: 47, resendIn: 60, alreadySent: true })
    const { result } = renderHook(() => useAuthFlow({ navigateOnSuccess: false }))

    await act(() => result.current.sendOtp({ mobile: '09123456789' }))

    expect(result.current.step).toBe('otp')
    expect(result.current.otpReused).toBe(true)
    expect(result.current.otpTtl).toBe(47)
    expect(result.current.resendCodeTime).toBe(47)
  })

  it('submits the selected city with the completed profile', async () => {
    const { result } = renderHook(() => useAuthFlow({ navigateOnSuccess: false }))

    await act(() =>
      result.current.submitProfile({
        firstName: ' علی ',
        lastName: ' رضایی ',
        gender: 'male',
        dateOfBirth: '1991-03-21',
        cityId: '12',
      })
    )

    expect(mocks.completeProfile).toHaveBeenCalledWith({
      firstName: 'علی',
      lastName: 'رضایی',
      gender: 'male',
      dateOfBirth: '1991-03-21',
      cityId: 12,
    })
  })
})