import { describe, it, expect, vi, beforeEach } from 'vitest'
import { setActivePinia, createPinia } from 'pinia'
import { useAuthStore } from '../../stores/auth.store'

// The middleware calls useAuthStore() and navigateTo() as Nuxt auto-imports.
// We override the global.useAuthStore shim (set in setup.ts) with the real
// store factory so it resolves against the active Pinia instance.
// navigateTo is already vi.fn() from setup.ts.

const mockNavigateTo = vi.mocked(navigateTo as ReturnType<typeof vi.fn>)

// Load the middleware factory.
// defineNuxtRouteMiddleware is a pass-through shim that just returns the fn.
// So `adminMiddleware` will be the inner route handler function.
let adminMiddleware: () => unknown

beforeEach(async () => {
  setActivePinia(createPinia())
  vi.clearAllMocks()

  // Bind useAuthStore to the global so middleware can call it as an auto-import
  global.useAuthStore = useAuthStore as any

  // Re-import the middleware fresh each test to get the current global binding
  const mod = await import('../../middleware/admin?t=' + Date.now())
  adminMiddleware = mod.default
})

// ---------------------------------------------------------------------------
// admin middleware
// ---------------------------------------------------------------------------
describe('admin middleware', () => {
  it('redirects non-admin users to "/"', () => {
    const auth = useAuthStore()
    // Non-admin user
    auth.user = { id: 2, email: 'bob@example.com', displayName: 'Bob', role: 'user' }

    adminMiddleware()

    expect(mockNavigateTo).toHaveBeenCalledWith('/')
  })

  it('allows admin users through without redirecting', () => {
    const auth = useAuthStore()
    // Admin user
    auth.user = { id: 1, email: 'alice@example.com', displayName: 'Alice', role: 'admin' }

    adminMiddleware()

    expect(mockNavigateTo).not.toHaveBeenCalled()
  })
})