import { describe, it, expect } from 'vitest'
import { verifyCli } from '@/lib/exporter/verify.cli'

// helpers to build base64 from string
function b64(s: string) {
  if (typeof Buffer !== 'undefined') return Buffer.from(s, 'utf-8').toString('base64')
  throw new Error('Buffer not available')
}

describe('verify.cli', () => {
  const EMPTY_SHA256_B64 = '47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU='

  it('returns 0 and logs summary when ok', async () => {
    // empty entries integrity index; bundleHash = sha256("") in base64
    const extras = {
      'assets.integrity.index.json': b64(JSON.stringify({ entries: [], bundleHash: 'sha256-' + EMPTY_SHA256_B64 }))
    }
    const assets = {}
    const extrasJson = JSON.stringify(extras)
    const assetsJson = JSON.stringify(assets)

    const paths: Record<string, string> = {
      '/tmp/extras.ok.json': extrasJson,
      '/tmp/assets.ok.json': assetsJson,
    }
    const logs: string[] = []
    const readText = async (p: string) => {
      const v = paths[p]
      if (v == null) throw new Error('no such file: ' + p)
      return v
    }
    const code = await verifyCli(['--extras', '/tmp/extras.ok.json', '--assets', '/tmp/assets.ok.json'], readText, (s: string) => logs.push(s))
    expect(code).toBe(0)
    expect(logs.join('\n')).toMatch(/"ok": true/)
    expect(logs.join('\n')).toMatch(/"total": 0/)
  })

  it('returns 1 and logs errors when invalid JSON', async () => {
    const paths: Record<string, string> = {
      '/tmp/extras.bad.json': JSON.stringify({ 'assets.integrity.index.json': 'not-base64' }),
      '/tmp/assets.empty.json': JSON.stringify({}),
    }
    const logs: string[] = []
    const readText = async (p: string) => {
      const v = paths[p]
      if (v == null) throw new Error('no such file: ' + p)
      return v
    }
    const code = await verifyCli(['--extras', '/tmp/extras.bad.json', '--assets', '/tmp/assets.empty.json'], readText, (s: string) => logs.push(s))
    expect(code).toBe(1)
    expect(logs.join('\n')).toMatch(/"ok": false/)
    expect(logs.join('\n')).toMatch(/Invalid assets\.integrity\.index\.json JSON|Missing assets\.integrity\.index\.json/)
  })
})