import { describe, it, expect } from 'vitest'
import { buildPairCommand, buildQrDataUrl, buildPairingArtifacts } from '../src/pairing.js'

describe('pairing artifacts', () => {
  it('builds the ready-to-run pair command with the code and zone', () => {
    const cmd = buildPairCommand('ABCD-EFGH', 'terminal.yaojia.wang')
    expect(cmd).toBe('web-terminal-agent pair ABCD-EFGH --install --zone terminal.yaojia.wang')
  })

  it('renders a PNG data URL for the code', async () => {
    const url = await buildQrDataUrl('ABCD-EFGH')
    expect(url.startsWith('data:image/png;base64,')).toBe(true)
    expect(url.length).toBeGreaterThan(100)
  })

  it('combines an issued code into the full artifacts payload', async () => {
    const artifacts = await buildPairingArtifacts(
      { code: 'WXYZ-1234', expiresAt: '2026-05-01T00:00:00.000Z' },
      'z.example',
    )
    expect(artifacts.code).toBe('WXYZ-1234')
    expect(artifacts.expiresAt).toBe('2026-05-01T00:00:00.000Z')
    expect(artifacts.pairCommand).toContain('WXYZ-1234')
    expect(artifacts.pairCommand).toContain('z.example')
    expect(artifacts.qrDataUrl.startsWith('data:image/png;base64,')).toBe(true)
  })
})