import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
import { WELCOME_PAGE, pinState, welcomeUrl } from './welcome'

const getUserSettings = vi.fn()

beforeEach(() => {
  vi.stubGlobal('chrome', {
    action: { getUserSettings },
    runtime: { getURL: (path: string) => `chrome-extension://testid/${path}` },
  })
})

afterEach(() => {
  vi.unstubAllGlobals()
  vi.restoreAllMocks()
})

describe('welcomeUrl', () => {
  it('resolves the bundled page against the extension origin', () => {
    expect(welcomeUrl()).toBe(`chrome-extension://testid/${WELCOME_PAGE}`)
  })
})

describe('pinState', () => {
  it('reports a pinned toolbar icon', async () => {
    getUserSettings.mockResolvedValue({ isOnToolbar: true })
    await expect(pinState()).resolves.toBe('pinned')
  })

  it('reports an unpinned one', async () => {
    getUserSettings.mockResolvedValue({ isOnToolbar: false })
    await expect(pinState()).resolves.toBe('unpinned')
  })

  // Both failure shapes answer 'unknown', which the page renders as no claim
  // either way — never as "you have not pinned it".
  it('is unknown when the read fails', async () => {
    vi.spyOn(console, 'debug').mockImplementation(() => {})
    getUserSettings.mockRejectedValue(new Error('nope'))
    await expect(pinState()).resolves.toBe('unknown')
  })

  it('is unknown when the browser has no such API', async () => {
    vi.stubGlobal('chrome', { action: {} })
    await expect(pinState()).resolves.toBe('unknown')
  })
})