import { beforeEach, describe, expect, it, vi } from 'vitest'
import { session } from '../../../src/auth/session'

const credentials = {
  access_token: 'access', token_type: 'bearer' as const, expires_at: 2,
  refresh_token: 'refresh', refresh_expires_at: 3,
}

describe('session', () => {
  beforeEach(() => localStorage.clear())

  it('stores and replaces the complete credential set atomically', () => {
    const listener = vi.fn()
    const unsubscribe = session.subscribe(listener)
    session.set(credentials)
    expect(session.get()).toEqual(credentials)
    expect(JSON.parse(localStorage.getItem('safety-session') || 'null')).toEqual(credentials)
    expect(listener).toHaveBeenCalledOnce()
    unsubscribe()
  })

  it('clears credentials and pending refresh state together', () => {
    localStorage.setItem('safety-session', JSON.stringify(credentials))
    localStorage.setItem('safety-refresh-pending', 'secret')
    localStorage.setItem('safety-refresh-after', '2')
    localStorage.setItem('safety-last-activity-at', '1')
    session.clear()
    expect(localStorage.length).toBe(0)
  })
})