import { describe, it, expect, vi, beforeEach } from 'vitest'

import { createMockEvent } from '../../helpers/createMockEvent.js'

const {
  mockFind,
  mockSort,
  mockLean,
  mockGetOptionalMember,
  mockLoadPublicEvent
} = vi.hoisted(() => ({
  mockFind: vi.fn(),
  mockSort: vi.fn(),
  mockLean: vi.fn(),
  mockGetOptionalMember: vi.fn(),
  mockLoadPublicEvent: vi.fn()
}))

vi.mock('../../../../server/models/event.js', () => ({
  default: { find: mockFind }
}))

vi.mock('../../../../server/utils/mongoose.js', () => ({
  connectDB: vi.fn()
}))

vi.mock('../../../../server/utils/auth.js', () => ({
  getOptionalMember: mockGetOptionalMember
}))

vi.mock('../../../../server/utils/loadEvent.js', () => ({
  loadPublicEvent: mockLoadPublicEvent
}))

function setupFindChain(result = []) {
  mockLean.mockResolvedValue(result)
  mockSort.mockReturnValue({ lean: mockLean })
  mockFind.mockReturnValue({ sort: mockSort })
}

function mkReq({ method = 'GET', path = '/', id } = {}) {
  const req = createMockEvent({ method, path })
  if (id) req.context = { params: { id } }
  return req
}

describe('GET /api/events — membersOnly visibility', () => {
  let listHandler

  beforeEach(async () => {
    vi.clearAllMocks()
    vi.resetModules()
    setupFindChain([])
    listHandler = (await import('../../../../server/api/events/index.get.js')).default
  })

  it('hides membersOnly events from anonymous callers', async () => {
    mockGetOptionalMember.mockResolvedValue(null)

    await listHandler(mkReq({ path: '/api/events' }))

    const filter = mockFind.mock.calls[0][0]
    expect(filter.membersOnly).toEqual({ $ne: true })
  })

  it('hides membersOnly events from guest/cancelled/suspended members', async () => {
    mockGetOptionalMember.mockResolvedValue({ _id: 'm1', role: 'member', status: 'guest' })

    await listHandler(mkReq({ path: '/api/events' }))

    const filter = mockFind.mock.calls[0][0]
    expect(filter.membersOnly).toEqual({ $ne: true })
  })

  it('shows membersOnly events to active members', async () => {
    mockGetOptionalMember.mockResolvedValue({ _id: 'm1', role: 'member', status: 'active' })

    await listHandler(mkReq({ path: '/api/events' }))

    const filter = mockFind.mock.calls[0][0]
    expect(filter.membersOnly).toBeUndefined()
  })

  it('shows membersOnly events to pending_payment members', async () => {
    mockGetOptionalMember.mockResolvedValue({ _id: 'm1', role: 'member', status: 'pending_payment' })

    await listHandler(mkReq({ path: '/api/events' }))

    const filter = mockFind.mock.calls[0][0]
    expect(filter.membersOnly).toBeUndefined()
  })

  it('shows membersOnly events to admins regardless of status', async () => {
    mockGetOptionalMember.mockResolvedValue({ _id: 'm1', role: 'admin', status: 'cancelled' })

    await listHandler(mkReq({ path: '/api/events' }))

    const filter = mockFind.mock.calls[0][0]
    expect(filter.membersOnly).toBeUndefined()
  })
})

describe('GET /api/events/[id] — membersOnly visibility', () => {
  let detailHandler

  beforeEach(async () => {
    vi.clearAllMocks()
    vi.resetModules()
    detailHandler = (await import('../../../../server/api/events/[id].get.js')).default
  })

  const baseEvent = (overrides = {}) => ({
    _id: 'e1',
    slug: 'members-only-event',
    title: 'Members Only',
    isVisible: true,
    membersOnly: true,
    registrations: [],
    ...overrides
  })

  it('404s a membersOnly event for anonymous callers', async () => {
    mockLoadPublicEvent.mockResolvedValue(baseEvent())
    mockGetOptionalMember.mockResolvedValue(null)

    await expect(
      detailHandler(mkReq({ path: '/api/events/members-only-event', id: 'members-only-event' }))
    ).rejects.toMatchObject({ statusCode: 404 })
  })

  it('404s a membersOnly event for guest members', async () => {
    mockLoadPublicEvent.mockResolvedValue(baseEvent())
    mockGetOptionalMember.mockResolvedValue({ _id: 'm1', role: 'member', status: 'guest' })

    await expect(
      detailHandler(mkReq({ path: '/api/events/members-only-event', id: 'members-only-event' }))
    ).rejects.toMatchObject({ statusCode: 404 })
  })

  it('returns the event to active members', async () => {
    mockLoadPublicEvent.mockResolvedValue(baseEvent())
    mockGetOptionalMember.mockResolvedValue({ _id: 'm1', role: 'member', status: 'active' })

    const result = await detailHandler(
      mkReq({ path: '/api/events/members-only-event', id: 'members-only-event' })
    )
    expect(result.slug).toBe('members-only-event')
  })

  it('returns the event to admins', async () => {
    mockLoadPublicEvent.mockResolvedValue(baseEvent())
    mockGetOptionalMember.mockResolvedValue({ _id: 'm1', role: 'admin', status: 'active' })

    const result = await detailHandler(
      mkReq({ path: '/api/events/members-only-event', id: 'members-only-event' })
    )
    expect(result.slug).toBe('members-only-event')
  })

  it('does not gate non-membersOnly events (auth check skipped)', async () => {
    mockLoadPublicEvent.mockResolvedValue(baseEvent({ membersOnly: false }))

    const result = await detailHandler(
      mkReq({ path: '/api/events/members-only-event', id: 'members-only-event' })
    )
    expect(result.slug).toBe('members-only-event')
    expect(mockGetOptionalMember).not.toHaveBeenCalled()
  })
})