import { act, fireEvent, render, screen, waitFor } from '@testing-library/react'
import userEvent from '@testing-library/user-event'
import { BrowserRouter, MemoryRouter } from 'react-router-dom'
import { beforeEach, describe, expect, it, vi } from 'vitest'
import App from './App'
import type { Job, Participant } from '../types'

const question = {
  id: 11,
  text: 'How do you design a resilient Go service?',
  type: 'open' as const,
  options: [],
  referenceAnswer: 'Use timeouts, retries, and idempotency.',
  codeSnippet: '',
  deprecated: false,
}

const job: Job = {
  id: 7,
  title: 'Senior Go Engineer',
  description: 'Build reliable services.',
  seniority: 'Senior',
  position: 'Backend Engineer',
  labels: ['Platform'],
  requiredSkills: ['Go'],
  additionalSkills: ['Kubernetes'],
  status: 'draft',
  durationMinutes: 10,
  questions: [],
  createdAt: '2026-09-01T10:00:00Z',
}

const participant: Participant = {
  id: 3,
  firstName: 'Amélie',
  lastName: 'Dubois',
  email: 'amelie@example.com',
  contactInfo: 'Brussels · +32 470 00 00 00',
  traits: ['Go', 'PostgreSQL'],
  createdAt: '2026-09-02T10:00:00Z',
}

function response(body: unknown, status = 200) {
  return Promise.resolve(
    new Response(JSON.stringify(body), {
      status,
      headers: { 'Content-Type': 'application/json' },
    }),
  )
}

function mockApi() {
  vi.stubGlobal(
    'fetch',
    vi.fn((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      const method = options?.method ?? 'GET'
      if (path === '/api/auth/login')
        return response({
          token: 'jwt-token',
          user: { id: 1, email: 'admin@example.com', displayName: 'Admin', role: 'admin' },
        })
      if (path === '/api/jobs') return response([job])
      if (path === '/api/participants') return response([participant])
      if (path === '/api/jobs/7') return response(job)
      if (path === '/api/jobs/7/candidates')
        return response([
          {
            participant,
            score: 90,
            matchedTraits: ['Go'],
            missingTraits: null,
          },
        ])
      if (path === '/api/jobs/7/invitations' && method === 'GET') return response([])
      if (path === '/api/jobs/7/interviews' && method === 'GET') return response([])
      if (path === '/api/jobs/7/invitations' && method === 'POST')
        return response({
          id: 31,
          jobId: 7,
          participantId: 3,
          participantName: 'Amélie Dubois',
          participantEmail: 'amelie@example.com',
          token: 'invite-token',
          status: 'pending',
          participantUrl: 'https://example.test/participant/invite-token',
          acceptedAt: null,
          completedAt: null,
          createdAt: '2026-09-19T10:00:00Z',
        })
      if (path.startsWith('/api/questions') && method === 'GET') return response([question])
      if (path === '/api/questions' && method === 'POST')
        return response({ ...question, id: 12, text: 'Explain channels.' }, 201)
      if (path === '/api/questions/11' && method === 'PATCH')
        return response({ ...question, deprecated: true })
      if (path === '/api/questions/11' && method === 'PUT')
        return response({
          ...question,
          text: 'Updated resilience question',
          type: 'code_review',
          referenceAnswer: 'Prefer bounded retries with jitter.',
          codeSnippet: '+ return retry(request)',
        })
      if (path === '/api/jobs/7/questions/11') return response({}, method === 'DELETE' ? 200 : 201)
      throw new Error(`Unexpected request: ${path}`)
    }),
  )
}

function authenticate() {
  sessionStorage.setItem('go-guess-token', 'jwt-token')
  sessionStorage.setItem(
    'go-guess-user',
    JSON.stringify({
      id: 1,
      email: 'admin@example.com',
      displayName: 'Admin',
      role: 'admin',
    }),
  )
}

function renderApp(path = '/') {
  return render(
    <MemoryRouter initialEntries={[path]}>
      <App />
    </MemoryRouter>,
  )
}

describe('Go Guess frontend', () => {
  beforeEach(() => {
    vi.useRealTimers()
    sessionStorage.clear()
    mockApi()
  })

  it('renders candidate matches when an older API returns null trait arrays', async () => {
    authenticate()
    const user = userEvent.setup()
    renderApp('/jobs/7')

    await user.click(await screen.findByRole('tab', { name: /candidate match/i }))

    expect(await screen.findByText('90%')).toBeInTheDocument()
    expect(screen.getByText('Missing').nextElementSibling).toHaveTextContent('0')
  })

  it('persists login, navigates from the login URL, and shows API jobs', async () => {
    const user = userEvent.setup()
    window.history.replaceState({}, '', '/login')
    render(
      <BrowserRouter>
        <App />
      </BrowserRouter>,
    )
    await user.type(screen.getByLabelText(/email address/i), 'interviewer@go-guess.local')
    await user.type(screen.getByLabelText(/password/i), 'admin123')
    await user.click(screen.getByRole('button', { name: /sign in/i }))

    expect(await screen.findByRole('heading', { name: 'Job postings' })).toBeInTheDocument()
    expect(await screen.findByRole('link', { name: 'Senior Go Engineer' })).toBeInTheDocument()
    expect(sessionStorage.getItem('go-guess-token')).toBe('jwt-token')
    expect(window.location.pathname).toBe('/jobs')
  })

  it('filters jobs by title', async () => {
    authenticate()
    const user = userEvent.setup()
    renderApp('/jobs')
    expect(await screen.findByRole('link', { name: 'Senior Go Engineer' })).toBeInTheDocument()

    await user.type(screen.getByRole('textbox', { name: /search jobs/i }), 'designer')
    expect(screen.queryByRole('link', { name: 'Senior Go Engineer' })).not.toBeInTheDocument()
  })

  it('adds multiple choice options with the accessible plus button', async () => {
    authenticate()
    const user = userEvent.setup()
    renderApp('/jobs/7/questions/new')
    await screen.findByRole('heading', { name: 'Create a question' })
    await user.type(screen.getByLabelText('Reference answer'), 'This should be cleared.')
    await user.selectOptions(screen.getByLabelText('Response type'), 'multiple_choice')
    expect(screen.queryByLabelText('Reference answer')).not.toBeInTheDocument()

    const optionInput = screen.getByRole('textbox', { name: 'New option' })
    await user.type(optionInput, 'Retries')
    await user.click(screen.getByRole('button', { name: 'Add option' }))

    expect(screen.getByText('Retries')).toBeInTheDocument()
    expect(optionInput).toHaveValue('')

    await user.selectOptions(screen.getByLabelText('Response type'), 'open')
    expect(screen.getByLabelText('Reference answer')).toHaveValue('')
    expect(screen.queryByRole('button', { name: 'Remove option Retries' })).not.toBeInTheDocument()
    await user.selectOptions(screen.getByLabelText('Response type'), 'code_review')
    expect(screen.getByLabelText('Expected answer')).toBeInTheDocument()
    expect(screen.getByLabelText('Code snippet')).toBeRequired()
  })

  it('surfaces API failures instead of demo content', async () => {
    authenticate()
    vi.mocked(fetch).mockImplementation(() => response({ error: 'database unavailable' }, 500))
    renderApp('/jobs')

    expect(await screen.findByRole('alert')).toHaveTextContent('database unavailable')
    expect(screen.queryByRole('link', { name: 'Senior Go Engineer' })).not.toBeInTheDocument()
  })

  it('exposes participant multipart fields', async () => {
    authenticate()
    renderApp('/participants/new')
    await waitFor(() => expect(fetch).toHaveBeenCalled())

    expect(screen.getByRole('heading', { name: 'Add a participant' })).toBeInTheDocument()
    expect(screen.getByLabelText(/birthday/i)).toHaveAttribute('type', 'date')
    expect(screen.getByLabelText(/contact information/i)).toBeRequired()
    expect(screen.getByLabelText(/upload cv/i)).toHaveAttribute('accept', '.pdf,.doc,.docx')
  })

  it('creates and deprecates questions in the standalone library', async () => {
    authenticate()
    const user = userEvent.setup()
    renderApp('/questions')

    expect(await screen.findByText(question.text)).toBeInTheDocument()
    expect(screen.getByText(question.referenceAnswer)).toBeInTheDocument()
    await user.click(screen.getByRole('checkbox', { name: `Deprecated: ${question.text}` }))
    await user.type(screen.getByLabelText('Question prompt'), 'Explain channels.')
    await user.type(screen.getByLabelText('Reference answer'), 'Mention ownership and closure.')
    await user.click(screen.getByRole('button', { name: /create question/i }))

    expect(fetch).toHaveBeenCalledWith(
      '/api/questions',
      expect.objectContaining({
        method: 'POST',
        body: JSON.stringify({
          text: 'Explain channels.',
          type: 'open',
          options: [],
          referenceAnswer: 'Mention ownership and closure.',
          codeSnippet: '',
        }),
      }),
    )
    expect(fetch).toHaveBeenCalledWith(
      '/api/questions/11',
      expect.objectContaining({ method: 'PATCH', body: JSON.stringify({ deprecated: true }) }),
    )
    expect(screen.queryByRole('button', { name: /delete/i })).not.toBeInTheDocument()
  })

  it('populates and persists the reference answer while editing', async () => {
    authenticate()
    const user = userEvent.setup()
    const codeReviewQuestion = {
      ...question,
      id: 21,
      type: 'code_review' as const,
      text: 'Review this retry change',
      codeSnippet: '+ return retry(request)',
    }
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      const method = options?.method ?? 'GET'
      if (path.startsWith('/api/questions') && method === 'GET')
        return response([codeReviewQuestion])
      if (path === '/api/questions/21' && method === 'PUT')
        return response({
          ...codeReviewQuestion,
          text: 'Updated resilience question',
          referenceAnswer: 'Prefer bounded retries with jitter.',
        })
      if (!defaultFetch) throw new Error(`Unexpected request: ${path}`)
      return defaultFetch(input, options)
    })
    renderApp('/questions')

    await user.click(await screen.findByRole('button', { name: `Edit ${codeReviewQuestion.text}` }))
    const prompt = screen.getByLabelText('Question prompt')
    await user.clear(prompt)
    await user.type(prompt, 'Updated resilience question')
    const reference = screen.getByLabelText('Expected answer')
    expect(reference).toHaveValue(codeReviewQuestion.referenceAnswer)
    expect(screen.getByLabelText('Code snippet')).toHaveValue(codeReviewQuestion.codeSnippet)
    await user.clear(reference)
    await user.type(reference, 'Prefer bounded retries with jitter.')

    await user.click(screen.getByRole('button', { name: 'Save changes' }))

    expect(fetch).toHaveBeenCalledWith(
      '/api/questions/21',
      expect.objectContaining({
        method: 'PUT',
        body: JSON.stringify({
          text: 'Updated resilience question',
          type: 'code_review',
          options: [],
          referenceAnswer: 'Prefer bounded retries with jitter.',
          codeSnippet: '+ return retry(request)',
        }),
      }),
    )
  })

  it('attaches and detaches library questions without deleting them', async () => {
    authenticate()
    const user = userEvent.setup()
    renderApp('/jobs/7')

    await user.click(await screen.findByRole('tab', { name: /questions/i }))
    await user.click(await screen.findByRole('button', { name: 'Attach' }))
    await user.click(screen.getByRole('button', { name: `Detach ${question.text}` }))

    expect(fetch).toHaveBeenCalledWith(
      '/api/jobs/7/questions/11',
      expect.objectContaining({ method: 'POST' }),
    )
    expect(fetch).toHaveBeenCalledWith(
      '/api/jobs/7/questions/11',
      expect.objectContaining({ method: 'DELETE' }),
    )
    expect(fetch).not.toHaveBeenCalledWith(
      '/api/questions/11',
      expect.objectContaining({ method: 'DELETE' }),
    )
  })

  it('generates an invitation for an eligible participant and displays its URL', async () => {
    authenticate()
    const user = userEvent.setup()
    renderApp('/jobs/7')

    await user.click(await screen.findByRole('tab', { name: /invitations/i }))
    await user.click(screen.getByRole('button', { name: 'Generate invitation' }))

    expect(
      await screen.findByText('https://example.test/participant/invite-token'),
    ).toBeInTheDocument()
    expect(fetch).toHaveBeenCalledWith(
      '/api/jobs/7/invitations',
      expect.objectContaining({
        method: 'POST',
        body: JSON.stringify({ participantId: 3 }),
      }),
    )
  })

  it('navigates participant questions, persists answers, and derives the timer from acceptedAt', async () => {
    vi.useFakeTimers()
    const now = new Date('2026-09-19T12:00:00Z')
    vi.setSystemTime(now)
    const interview = {
      invitation: {
        id: 31,
        jobId: 7,
        participantId: 3,
        participantName: 'Amélie Dubois',
        participantEmail: 'amelie@example.com',
        token: 'invite-token',
        status: 'pending',
        participantUrl: 'https://example.test/participant/invite-token',
        acceptedAt: null,
        completedAt: null,
        createdAt: now.toISOString(),
      },
      job: {
        id: 7,
        title: job.title,
        description: job.description,
        position: job.position,
        seniority: job.seniority,
        durationMinutes: 10,
        questions: [question, { ...question, id: 12, text: 'How do you test it?' }],
      },
      answers: {},
    }
    const acceptedInterview = {
      ...interview,
      invitation: {
        ...interview.invitation,
        status: 'accepted',
        acceptedAt: now.toISOString(),
      },
    }
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      if (path === '/api/interviews/invite-token' && !options?.method) return response(interview)
      if (path.endsWith('/accept')) return response(acceptedInterview)
      if (path.includes('/answers/')) return response({})
      if (path.endsWith('/finish'))
        return response({
          ...acceptedInterview,
          invitation: {
            ...acceptedInterview.invitation,
            status: 'completed',
            completedAt: now.toISOString(),
          },
        })
      throw new Error(`Unexpected request: ${path}`)
    })
    renderApp('/participant/invite-token')
    await act(async () => {
      await Promise.resolve()
      await Promise.resolve()
    })
    expect(screen.queryByText(question.text)).not.toBeInTheDocument()
    expect(screen.queryByRole('textbox', { name: 'Your answer' })).not.toBeInTheDocument()
    await act(async () => {
      fireEvent.click(screen.getByRole('button', { name: 'Accept' }))
    })
    expect(screen.getByText(question.text)).toBeInTheDocument()
    expect(screen.queryByText(question.referenceAnswer)).not.toBeInTheDocument()
    expect(screen.getByRole('progressbar', { name: 'Interview progress' })).toHaveAttribute(
      'aria-valuenow',
      '50',
    )
    for (const name of ['First', 'Previous', 'Next', 'Last', 'Submit']) {
      expect(screen.getByRole('button', { name })).toBeInTheDocument()
    }
    expect(screen.getByTestId('countdown')).toHaveTextContent('10:00')
    await act(async () => {
      await vi.advanceTimersByTimeAsync(1000)
    })
    expect(screen.getByTestId('countdown')).toHaveTextContent('09:59')

    fireEvent.change(screen.getByLabelText('Your answer'), {
      target: { value: 'Use retries and timeouts.' },
    })
    await act(async () => {
      fireEvent.click(screen.getByRole('button', { name: 'Next' }))
    })
    expect(screen.getByText('How do you test it?')).toBeInTheDocument()
    expect(fetch).toHaveBeenCalledWith(
      '/api/interviews/invite-token/answers/11',
      expect.objectContaining({
        method: 'PUT',
        body: JSON.stringify({ answer: 'Use retries and timeouts.' }),
      }),
    )
    await act(async () => {
      fireEvent.click(screen.getByRole('button', { name: 'First' }))
    })
    expect(screen.getByText(question.text)).toBeInTheDocument()
    await act(async () => {
      fireEvent.click(screen.getByRole('button', { name: 'Submit' }))
    })
    expect(fetch).toHaveBeenCalledWith(
      '/api/interviews/invite-token/finish',
      expect.objectContaining({ method: 'POST' }),
    )
    expect(screen.getByRole('heading', { name: /thank you/i })).toBeInTheDocument()
    vi.useRealTimers()
  })

  it('renders protected invitation answers for interviewer review', async () => {
    authenticate()
    const user = userEvent.setup()
    const acceptedInvitation = {
      id: 44,
      jobId: 7,
      participantId: 3,
      participantName: 'Amélie Dubois',
      participantEmail: 'amelie@example.com',
      token: 'review-token',
      status: 'accepted',
      participantUrl: 'https://example.test/participant/review-token',
      acceptedAt: '2026-09-19T10:05:00Z',
      completedAt: null,
      createdAt: '2026-09-19T10:00:00Z',
    }
    const choiceQuestion = {
      ...question,
      id: 22,
      text: 'Choose a strategy',
      type: 'radio' as const,
      options: ['Retry', 'Fail fast'],
      referenceAnswer: '',
    }
    const codeQuestion = {
      ...question,
      id: 23,
      text: 'Review the patch',
      type: 'code_review' as const,
      codeSnippet: '+ return retry(request)',
      referenceAnswer: 'Bound the retry count.',
    }
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      if (path === '/api/jobs/7/invitations' && !options?.method)
        return response([acceptedInvitation])
      if (path === '/api/jobs/7/invitations/44')
        return response({
          invitation: acceptedInvitation,
          job: {
            id: 7,
            title: job.title,
            description: job.description,
            position: job.position,
            seniority: job.seniority,
            durationMinutes: job.durationMinutes,
            questions: [question, choiceQuestion, codeQuestion],
          },
          answers: {
            '11': 'Use exponential backoff.',
            '23': 'The retry loop needs a maximum.',
          },
        })
      if (!defaultFetch) throw new Error(`Unexpected request: ${path}`)
      return defaultFetch(input, options)
    })
    renderApp('/jobs/7')

    await user.click(await screen.findByRole('tab', { name: /invitations/i }))
    await user.click(screen.getByRole('button', { name: 'Review answers' }))

    expect(await screen.findByRole('heading', { name: 'Amélie Dubois' })).toBeInTheDocument()
    expect(screen.getByText('Use exponential backoff.')).toBeInTheDocument()
    expect(screen.getByText(question.referenceAnswer)).toBeInTheDocument()
    expect(screen.getByText('Retry · Fail fast')).toBeInTheDocument()
    expect(screen.getByText('Unanswered')).toBeInTheDocument()
    expect(screen.getByText('The retry loop needs a maximum.')).toBeInTheDocument()
    expect(screen.getByRole('region', { name: 'Code changes' })).toBeInTheDocument()
    expect(fetch).toHaveBeenCalledWith('/api/jobs/7/invitations/44', expect.any(Object))
  })

  it('renders code review lines and a review comment without exposing the reference answer', async () => {
    const now = new Date()
    const codeQuestion = {
      ...question,
      id: 20,
      type: 'code_review' as const,
      text: 'Review this change',
      codeSnippet: ['func total() int {', '+  return 42', '}'].join('\n'),
      referenceAnswer: 'The hard-coded value should be replaced.',
    }
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL) => {
      const path = String(input)
      if (path === '/api/interviews/code-token')
        return response({
          invitation: {
            id: 32,
            jobId: 7,
            participantId: 3,
            participantName: 'Amélie Dubois',
            participantEmail: 'amelie@example.com',
            token: 'code-token',
            status: 'accepted',
            participantUrl: 'https://example.test/participant/code-token',
            acceptedAt: now.toISOString(),
            completedAt: null,
            createdAt: now.toISOString(),
          },
          job: {
            id: 7,
            title: job.title,
            description: job.description,
            position: job.position,
            seniority: job.seniority,
            durationMinutes: 10,
            questions: [codeQuestion],
          },
          answers: {},
        })
      throw new Error(`Unexpected request: ${path}`)
    })

    const { container } = renderApp('/participant/code-token')

    expect(await screen.findByRole('region', { name: 'Code changes' })).toBeInTheDocument()
    expect(container.querySelectorAll('.code-line')).toHaveLength(3)
    expect(container.querySelector('.code-line.added code')?.textContent).toBe('+  return 42')
    expect(screen.getByRole('textbox', { name: 'Review comment' })).toBeInTheDocument()
    expect(screen.getByRole('progressbar')).toHaveAttribute('aria-valuenow', '100')
    expect(screen.queryByText(codeQuestion.referenceAnswer)).not.toBeInTheDocument()
  })

  it('records pass and fail decisions from a completed answer review', async () => {
    authenticate()
    const user = userEvent.setup()
    const completed = {
      id: 44,
      jobId: 7,
      participantId: 3,
      participantName: 'Amélie Dubois',
      participantEmail: 'amelie@example.com',
      token: 'review-token',
      status: 'completed',
      outcome: 'pending',
      participantUrl: '/participant/review-token',
      acceptedAt: '2026-09-19T10:05:00Z',
      completedAt: '2026-09-19T10:15:00Z',
      createdAt: '2026-09-19T10:00:00Z',
    }
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      const method = options?.method ?? 'GET'
      if (path === '/api/jobs/7/invitations' && method === 'GET') return response([completed])
      if (path === '/api/jobs/7/invitations/44' && method === 'GET')
        return response({
          invitation: completed,
          job: { ...job, questions: [question] },
          answers: { '11': 'Retries with jitter.' },
        })
      if (path === '/api/jobs/7/invitations/44/outcome' && method === 'PATCH')
        return response({
          ...completed,
          outcome: JSON.parse(String(options?.body)).outcome,
        })
      if (!defaultFetch) throw new Error(`Unexpected request: ${path}`)
      return defaultFetch(input, options)
    })
    renderApp('/jobs/7')
    await user.click(await screen.findByRole('tab', { name: /invitations/i }))
    await user.click(screen.getByRole('button', { name: 'Review answers' }))
    await user.click(await screen.findByRole('button', { name: 'Pass candidate' }))
    await user.click(screen.getByRole('button', { name: 'Fail candidate' }))

    expect(fetch).toHaveBeenCalledWith(
      '/api/jobs/7/invitations/44/outcome',
      expect.objectContaining({ method: 'PATCH', body: JSON.stringify({ outcome: 'passed' }) }),
    )
    expect(fetch).toHaveBeenCalledWith(
      '/api/jobs/7/invitations/44/outcome',
      expect.objectContaining({ method: 'PATCH', body: JSON.stringify({ outcome: 'failed' }) }),
    )
  })

  it('creates an interview from a passed invitation with co-interviewers and shared documentation', async () => {
    authenticate()
    const user = userEvent.setup()
    const passed = {
      id: 45,
      jobId: 7,
      participantId: 3,
      participantName: 'Amélie Dubois',
      participantEmail: 'amelie@example.com',
      token: 'passed-token',
      status: 'completed',
      outcome: 'passed',
      participantUrl: '/participant/passed-token',
      acceptedAt: '2026-09-19T10:05:00Z',
      completedAt: '2026-09-19T10:15:00Z',
      createdAt: '2026-09-19T10:00:00Z',
    }
    const interviewer = {
      id: 2,
      email: 'alex@example.com',
      displayName: 'Alex Morgan',
      role: 'interviewer',
    }
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      const method = options?.method ?? 'GET'
      if (path === '/api/jobs/7/invitations' && method === 'GET') return response([passed])
      if (path === '/api/users') return response([interviewer])
      if (path === '/api/jobs/7/interviews' && method === 'POST')
        return response({
          id: 80,
          jobId: 7,
          jobTitle: job.title,
          participantId: 3,
          participantName: 'Amélie Dubois',
          startsAt: '2026-09-22T08:30:00.000Z',
          location: 'Brussels',
          status: 'scheduled',
          candidateToken: 'meeting-token',
          candidateUrl: '/participant/meeting/meeting-token',
          sharedDocument: 'Read the architecture brief.',
          attendees: [],
          notes: [],
        })
      if (!defaultFetch) throw new Error(`Unexpected request: ${path}`)
      return defaultFetch(input, options)
    })
    renderApp('/jobs/7')
    await user.click(await screen.findByRole('tab', { name: /invitations/i }))
    await user.click(screen.getByRole('button', { name: 'Schedule Amélie Dubois' }))
    expect(screen.getByRole('heading', { name: 'Interview details' })).toBeInTheDocument()
    expect(screen.getByRole('heading', { name: 'Interview team' })).toBeInTheDocument()
    await user.type(screen.getByLabelText('Date and time'), '2026-09-22T10:30')
    await user.type(screen.getByLabelText('Location or meeting link'), 'Brussels')
    await user.click(await screen.findByLabelText(/Alex Morgan/))
    await user.type(screen.getByLabelText('Shared documentation'), 'Read the architecture brief.')
    await user.click(screen.getByRole('button', { name: 'Create interview' }))

    expect(fetch).toHaveBeenCalledWith(
      '/api/jobs/7/interviews',
      expect.objectContaining({
        method: 'POST',
        body: expect.stringContaining('"interviewerIds":[2]'),
      }),
    )
    expect(await screen.findByText(/Brussels/)).toBeInTheDocument()
    expect(screen.getAllByText('Amélie Dubois')).not.toHaveLength(0)
  })

  it('lists users and creates a co-interviewer', async () => {
    authenticate()
    const user = userEvent.setup()
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      const method = options?.method ?? 'GET'
      if (path === '/api/users' && method === 'GET')
        return response([
          { id: 1, email: 'admin@example.com', displayName: 'Admin User', role: 'admin' },
        ])
      if (path === '/api/users' && method === 'POST')
        return response(
          { id: 2, email: 'sam@example.com', displayName: 'Sam Lee', role: 'interviewer' },
          201,
        )
      if (!defaultFetch) throw new Error(`Unexpected request: ${path}`)
      return defaultFetch(input, options)
    })
    renderApp('/users')
    expect(await screen.findByText('Admin User')).toBeInTheDocument()
    await user.type(screen.getByLabelText('Display name'), 'Sam Lee')
    await user.type(screen.getByLabelText('Email address'), 'sam@example.com')
    await user.type(screen.getByLabelText('Temporary password'), 'password123')
    await user.click(screen.getByRole('button', { name: 'Create co-interviewer' }))
    expect(await screen.findByText('Sam Lee')).toBeInTheDocument()
    expect(fetch).toHaveBeenCalledWith(
      '/api/users',
      expect.objectContaining({
        method: 'POST',
        body: JSON.stringify({
          email: 'sam@example.com',
          password: 'password123',
          displayName: 'Sam Lee',
        }),
      }),
    )
  })

  it('accepts and declines interviews from the inbox', async () => {
    authenticate()
    const user = userEvent.setup()
    const scheduled = {
      id: 80,
      jobId: 7,
      jobTitle: job.title,
      participantId: 3,
      participantName: 'Amélie Dubois',
      startsAt: '2026-09-22T08:30:00Z',
      location: 'Brussels',
      status: 'pending',
      candidateToken: 'meeting-token',
      candidateUrl: '/participant/meeting/meeting-token',
      sharedDocument: 'Agenda',
      attendees: [],
      notes: [],
    }
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      if (path === '/api/inbox' && !options?.method) return response([scheduled])
      if (path === '/api/inbox/80')
        return response({ ...scheduled, status: JSON.parse(String(options?.body)).status })
      if (!defaultFetch) throw new Error(`Unexpected request: ${path}`)
      return defaultFetch(input, options)
    })
    renderApp('/inbox')
    await user.click(await screen.findByRole('button', { name: 'Accept' }))
    await user.click(screen.getByRole('button', { name: 'Decline' }))
    expect(fetch).toHaveBeenCalledWith(
      '/api/inbox/80',
      expect.objectContaining({ method: 'PATCH', body: JSON.stringify({ status: 'accepted' }) }),
    )
    expect(screen.getByText('declined')).toBeInTheDocument()
  })

  it('groups calendar interviews by date and links to the session', async () => {
    authenticate()
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      if (String(input) === '/api/calendar')
        return response([
          {
            id: 80,
            jobId: 7,
            jobTitle: job.title,
            participantId: 3,
            participantName: 'Amélie Dubois',
            startsAt: '2026-09-22T08:30:00Z',
            location: 'Brussels',
            status: 'scheduled',
            candidateToken: 'meeting-token',
            candidateUrl: '/participant/meeting/meeting-token',
            sharedDocument: 'Agenda',
            attendees: [],
            notes: [],
          },
        ])
      if (!defaultFetch) throw new Error(`Unexpected request: ${String(input)}`)
      return defaultFetch(input, options)
    })
    renderApp('/calendar')
    expect(await screen.findByText('Amélie Dubois')).toBeInTheDocument()
    expect(screen.getByRole('link', { name: 'Open session' })).toHaveAttribute(
      'href',
      '/scheduled-interviews/80',
    )
    expect(
      screen.getByRole('heading', { level: 2, name: /September 22, 2026/ }),
    ).toBeInTheDocument()
  })

  it('edits shared documentation and displays notes received over authenticated fetch streaming', async () => {
    authenticate()
    const user = userEvent.setup()
    const writeText = vi.spyOn(navigator.clipboard, 'writeText')
    const scheduled = {
      id: 80,
      jobId: 7,
      jobTitle: job.title,
      participantId: 3,
      participantName: 'Amélie Dubois',
      startsAt: '2026-09-22T08:30:00Z',
      location: 'Brussels',
      status: 'started',
      candidateToken: 'meeting-token',
      candidateUrl: '/participant/meeting/meeting-token',
      sharedDocument: 'Original agenda',
      attendees: [
        { userId: 2, displayName: 'Alex Morgan', email: 'alex@example.com', status: 'accepted' },
      ],
      notes: [],
    }
    const liveNote = {
      id: 9,
      authorUserId: 2,
      authorName: 'Alex Morgan',
      body: 'Strong system design answer.',
      createdAt: '2026-09-22T08:35:00Z',
    }
    const defaultFetch = vi.mocked(fetch).getMockImplementation()
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL, options?: RequestInit) => {
      const path = String(input)
      if (path === '/api/scheduled-interviews/80') return response(scheduled)
      if (path === '/api/scheduled-interviews/80/notes' && !options?.method) return response([])
      if (path === '/api/scheduled-interviews/80/document')
        return response({
          ...scheduled,
          sharedDocument: JSON.parse(String(options?.body)).sharedDocument,
        })
      if (path === '/api/scheduled-interviews/80/events') {
        const stream = new ReadableStream({
          start(controller) {
            controller.enqueue(
              new TextEncoder().encode(
                `event: interview-event\ndata: ${JSON.stringify({
                  type: 'note.created',
                  interviewId: 80,
                  note: liveNote,
                })}\n\nevent: interview-event\ndata: ${JSON.stringify({
                  type: 'document.updated',
                  interviewId: 80,
                  sharedDocument: 'Remote agenda',
                })}\n\n`,
              ),
            )
            controller.close()
          },
        })
        return Promise.resolve(
          new Response(stream, { status: 200, headers: { 'Content-Type': 'text/event-stream' } }),
        )
      }
      if (!defaultFetch) throw new Error(`Unexpected request: ${path}`)
      return defaultFetch(input, options)
    })
    renderApp('/scheduled-interviews/80')
    expect(await screen.findByText('Strong system design answer.')).toBeInTheDocument()
    expect(screen.getByLabelText('Shared documentation')).toHaveValue('Remote agenda')
    await user.click(screen.getByRole('button', { name: 'Copy participant interview link' }))
    expect(writeText).toHaveBeenCalledWith('/participant/meeting/meeting-token')
    expect(
      screen.getByRole('button', { name: 'Copy participant interview link' }),
    ).toHaveTextContent('Link copied')
    const document = screen.getByLabelText('Shared documentation')
    await user.clear(document)
    await user.type(document, 'Updated candidate exercise')
    await user.click(screen.getByRole('button', { name: 'Save shared documentation' }))
    expect(fetch).toHaveBeenCalledWith(
      '/api/scheduled-interviews/80/document',
      expect.objectContaining({
        method: 'PATCH',
        body: JSON.stringify({ sharedDocument: 'Updated candidate exercise' }),
      }),
    )
    expect(fetch).toHaveBeenCalledWith(
      '/api/scheduled-interviews/80/events',
      expect.objectContaining({
        headers: expect.objectContaining({ Accept: 'text/event-stream' }),
      }),
    )
  })

  it('shows the public participant meeting without internal notes', async () => {
    vi.mocked(fetch).mockImplementation((input: RequestInfo | URL) => {
      if (String(input) === '/api/participant-meetings/meeting-token')
        return response({
          id: 80,
          jobTitle: job.title,
          participantName: 'Amélie Dubois',
          startsAt: '2026-09-22T08:30:00Z',
          location: 'Brussels',
          status: 'scheduled',
          sharedDocument: 'Please prepare the architecture exercise.',
        })
      if (String(input) === '/api/participant-meetings/meeting-token/events') {
        const stream = new ReadableStream({
          start(controller) {
            controller.enqueue(
              new TextEncoder().encode(
                `event: interview-event\ndata: ${JSON.stringify({
                  type: 'document.updated',
                  interviewId: 80,
                  sharedDocument: 'The architecture exercise changed live.',
                })}\n\n`,
              ),
            )
            controller.close()
          },
        })
        return Promise.resolve(
          new Response(stream, { status: 200, headers: { 'Content-Type': 'text/event-stream' } }),
        )
      }
      throw new Error(`Unexpected request: ${String(input)}`)
    })
    renderApp('/participant/meeting/meeting-token')
    expect(await screen.findByRole('heading', { name: job.title })).toBeInTheDocument()
    expect(await screen.findByText('The architecture exercise changed live.')).toBeInTheDocument()
    expect(screen.queryByText(/live notes/i)).not.toBeInTheDocument()
    expect(screen.queryByText(question.referenceAnswer)).not.toBeInTheDocument()
  })
})