import type { Attachment } from 'stream-chat'
import { describe, expect, it } from 'vitest'

import { isLinkAttachment } from '.'

describe('isLinkAttachment', () => {
  it('is true for a Stream link-type attachment', () => {
    expect(isLinkAttachment({ type: 'link' } as Attachment)).toBe(true)
  })

  it('is true for an og_scrape_url with no asset_url', () => {
    expect(
      isLinkAttachment({ og_scrape_url: 'https://example.com' } as Attachment)
    ).toBe(true)
  })

  it('ignores a whitespace-only og_scrape_url', () => {
    expect(isLinkAttachment({ og_scrape_url: '   ' } as Attachment)).toBe(false)
  })

  it('is false when og_scrape_url accompanies an asset_url (media, not a link)', () => {
    expect(
      isLinkAttachment({
        og_scrape_url: 'https://example.com',
        asset_url: 'https://cdn.example.com/file.mp4',
      } as Attachment)
    ).toBe(false)
  })

  it('is false for a plain attachment with neither', () => {
    expect(isLinkAttachment({ type: 'image' } as Attachment)).toBe(false)
  })
})