// @vitest-environment jsdom
import { beforeEach, describe, expect, it, vi } from 'vitest'
const request = vi.hoisted(() => vi.fn())
vi.mock('@/api/client', () => ({ request }))

beforeEach(() => { vi.resetModules(); request.mockReset() })

describe('CLI installation guard', () => {
  it('does not send a slow, installed CLI to the installation page', async () => {
    request.mockResolvedValue({ available: false, reason: 'timeout' })
    const api = await import('@/api/hermes/system')
    expect(await api.checkHermesCliAvailable()).toBe(true)
    expect(await api.getHermesCliStatus()).toMatchObject({ reason: 'timeout' })
    expect(request).toHaveBeenCalledOnce()
  })

  it.each(['missing', 'permission_denied', 'failed'])('retains a genuine %s error and bypasses server cache on retry', async reason => {
    request.mockResolvedValueOnce({ available: false, reason }).mockResolvedValueOnce({ available: true, reason: 'ready' })
    const api = await import('@/api/hermes/system')
    expect(await api.checkHermesCliAvailable()).toBe(false)
    api.resetHermesCliProbe()
    expect(await api.checkHermesCliAvailable()).toBe(true)
    expect(request).toHaveBeenLastCalledWith('/api/hermes/cli-status?refresh=1')
  })

  it('continues to work with older servers and transport errors', async () => {
    const api = await import('@/api/hermes/system')
    request.mockResolvedValueOnce({ available: false })
    expect(await api.checkHermesCliAvailable()).toBe(false)
    api.resetHermesCliProbe()
    request.mockRejectedValueOnce(new Error('server restarting'))
    expect(await api.checkHermesCliAvailable()).toBe(true)
  })
})