import { existsSync, readdirSync, readFileSync, statSync } from 'fs'
import { join } from 'path'
import { describe, expect, it } from 'vitest'

const VENDOR_ROOT = 'packages/client/src/vendor/arkscore'

const listFiles = (dir: string): string[] =>
  readdirSync(dir).flatMap((name) => {
    const full = join(dir, name)
    return statSync(full).isDirectory() ? listFiles(full) : [full]
  })

describe('ArkScope vendored components', () => {
  const vendorFiles = listFiles(VENDOR_ROOT)

  it('contains no art assets (images, audio, video)', () => {
    const assetPattern = /\.(png|jpe?g|webp|mp3|mp4)$/i
    expect(vendorFiles.filter((file) => assetPattern.test(file))).toEqual([])
  })

  it('contains no references to upstream asset directories', () => {
    for (const file of vendorFiles) {
      const content = readFileSync(file, 'utf8')
      expect(content, `${file} must not reference upstream assets`).not.toMatch(
        /src\/assets|public\/assets/,
      )
    }
  })

  it('keeps PROVENANCE.md with the pinned upstream commit hash', () => {
    const provenancePath = join(VENDOR_ROOT, 'PROVENANCE.md')
    expect(existsSync(provenancePath)).toBe(true)

    const provenance = readFileSync(provenancePath, 'utf8')
    expect(provenance).toContain('78f3763b0a48608eae00c27ac837449a32bd93df')
    expect(provenance).toContain('https://github.com/triplepiers/ArkScope')
  })

  it('vendors no more than 3 components (guards against bulk re-import)', () => {
    const componentCount = vendorFiles.filter((file) => file.endsWith('index.vue')).length
    expect(componentCount).toBeLessThanOrEqual(3)
  })
})