/**
 * @vitest-environment node
 */
import { describe, expect, it } from 'vitest'
import { extractSessionDataFromAuthClientResult } from '@/lib/auth/session-response'

describe('extractSessionDataFromAuthClientResult', () => {
  it('returns null for non-objects', () => {
    expect(extractSessionDataFromAuthClientResult(null)).toBeNull()
    expect(extractSessionDataFromAuthClientResult(undefined)).toBeNull()
    expect(extractSessionDataFromAuthClientResult('nope')).toBeNull()
    expect(extractSessionDataFromAuthClientResult(123)).toBeNull()
  })

  it('prefers .data when present', () => {
    expect(extractSessionDataFromAuthClientResult({ data: null })).toBeNull()

    const session = { user: { id: 'u1' }, session: { id: 's1' } }
    expect(extractSessionDataFromAuthClientResult({ data: session })).toEqual(session)
  })

  it('falls back to raw session payload shape', () => {
    const raw = { user: { id: 'u1' }, session: { id: 's1' } }
    expect(extractSessionDataFromAuthClientResult(raw)).toEqual(raw)
  })

  it('returns null for unknown object shapes', () => {
    expect(extractSessionDataFromAuthClientResult({})).toBeNull()
    expect(extractSessionDataFromAuthClientResult({ ok: true })).toBeNull()
  })
})