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

beforeEach(() => {
  vi.resetModules()
})

describe('POST /api/codes/enter', () => {
  it('returns room and marks code as used when room exists', async () => {
    vi.doMock('lib/logger', () => ({ logEvent: vi.fn() }))
    const codeRow = { id: 'code-1', code: 'ABCDE', room_id: 'room-1', linked_to: 'code-2', used: null }

    const getCodeByIdMock = vi.fn().mockResolvedValue(codeRow)
    const insertCodeMock = vi.fn()
    const updateCodeMock = vi.fn()
    vi.doMock('lib/persistence', () => ({
      getCodeById: getCodeByIdMock,
      insertCode: insertCodeMock,
      updateCode: updateCodeMock
    }))

    vi.doMock('lib/appSession', () => ({ getAppSession: async () => null }))
    vi.doMock('lib/supabase/server', () => ({ isSupabaseConfigured: () => true }))

    // Mock markCodeAsUsed and createRoom
    const markMock = vi.fn().mockResolvedValue(undefined)
    vi.doMock('lib/roomService', () => ({ markCodeAsUsed: markMock, createRoom: async () => 'room-1' }))

    const route = await import('./route')
    const req = { json: async () => ({ codeId: 'code-1', userAgent: 'UA' }) } as any

    const res: any = await route.POST(req)

    expect(res.status).toBe(200)
    expect(markMock).toHaveBeenCalledWith('code-1', undefined, expect.any(String))
    expect(getCodeByIdMock).toHaveBeenCalledWith('code-1')
    expect(insertCodeMock).not.toHaveBeenCalled()
  })
})