import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest'
import { render, screen } from '@testing-library/react'
import { MemoryRouter, Routes, Route } from 'react-router-dom'

import { AppLayout } from '../AppLayout'
import { useAuthStore } from '@/store/authStore'
import type { User } from '@/types'

// Mock heavy/external pieces so this stays a focused integration test for the
// gate placement. We don't care that TopBar/Sidebar render real content here —
// only that the EmailVerificationGate is in the tree and gates the outlet.
vi.mock('@/hooks/useBillingPoll', () => ({
  useBillingPoll: () => undefined,
}))

vi.mock('@/hooks/usePermissions', () => ({
  usePermissions: () => ({ effectiveRole: 'engineer' }),
}))

vi.mock('../TopBar', () => ({
  TopBar: () => <div data-testid="top-bar" />,
}))

vi.mock('../Sidebar', () => ({
  Sidebar: () => <div data-testid="sidebar" />,
}))

vi.mock('../EmailVerificationBanner', () => ({
  EmailVerificationBanner: () => <div data-testid="email-verification-banner-mock" />,
}))

vi.mock('@/components/common/FeedbackWidget', () => ({
  FeedbackWidget: () => null,
}))

vi.mock('@/api/auth', () => ({
  authApi: {
    getVerificationStatus: vi.fn().mockResolvedValue({ enabled: true }),
    sendVerificationEmail: vi.fn().mockResolvedValue(undefined),
  },
}))

vi.mock('@/lib/toast', () => ({
  toast: { success: vi.fn(), error: vi.fn() },
}))

function makeUser(overrides: Partial<User> = {}): User {
  return {
    id: 'user-1',
    email: 'test@example.com',
    name: 'Test User',
    role: 'engineer',
    is_super_admin: false,
    is_active: true,
    must_change_password: false,
    account_id: 'acct-1',
    account_role: 'engineer',
    team_id: null,
    created_at: '2026-05-01T00:00:00Z',
    last_login: null,
    phone: null,
    job_title: null,
    timezone: 'UTC',
    avatar_url: null,
    email_verified_at: null,
    ...overrides,
  }
}

const FROZEN_NOW = new Date('2026-05-06T00:00:00Z')

function renderAppLayout() {
  return render(
    <MemoryRouter initialEntries={['/home']}>
      <Routes>
        <Route element={<AppLayout />}>
          <Route
            path="/home"
            element={<div data-testid="child-route-content">child route</div>}
          />
        </Route>
      </Routes>
    </MemoryRouter>,
  )
}

describe('AppLayout — EmailVerificationGate wiring', () => {
  beforeEach(() => {
    vi.useFakeTimers()
    vi.setSystemTime(FROZEN_NOW)
    useAuthStore.setState({ user: null, token: null, isAuthenticated: false })
  })

  afterEach(() => {
    vi.useRealTimers()
    useAuthStore.setState({ user: null, token: null, isAuthenticated: false })
  })

  it('renders the wall and hides the child route on day 8 unverified', () => {
    // created 8 days before frozen now -> elapsed=8, > grace=6 -> wall.
    useAuthStore.setState({
      user: makeUser({ created_at: '2026-04-28T00:00:00Z' }),
    })

    renderAppLayout()

    expect(screen.getByTestId('email-verification-wall')).toBeInTheDocument()
    expect(screen.queryByTestId('child-route-content')).not.toBeInTheDocument()
  })

  it('renders the child route within the grace period (day 1 unverified)', () => {
    useAuthStore.setState({
      user: makeUser({ created_at: '2026-05-05T00:00:00Z' }),
    })

    renderAppLayout()

    expect(screen.getByTestId('child-route-content')).toBeInTheDocument()
    expect(
      screen.queryByTestId('email-verification-wall'),
    ).not.toBeInTheDocument()
  })
})