const fs = require('fs')
const path = require('path')
const { execSync } = require('child_process')

const ROOT = process.cwd()
const storeFiles = execSync(
  "find apps/user-ui/src/store apps/user-ui/components/stores -type f -name '*.ts'"
)
  .toString()
  .trim()
  .split('\n')

// collect all non-store user-ui code
const consumerFiles = execSync(
  "find apps/user-ui -type f \\( -name '*.ts' -o -name '*.tsx' \\) -not -path '*/node_modules/*' -not -path '*/dist/*' -not -path '*/.expo/*' -not -path '*/.turbo/*'"
)
  .toString()
  .trim()
  .split('\n')
  .filter((f) => !f.includes('/store/'))

const consumerCode = consumerFiles.map((f) => fs.readFileSync(path.join(ROOT, f), 'utf8')).join('\n')

for (const f of storeFiles) {
  const code = fs.readFileSync(path.join(ROOT, f), 'utf8')
  // keys inside the create<...>((set) => ({ ... })) object: "name:" at 2-space indent
  const keys = [...code.matchAll(/^ {2}(\w+):/gm)].map((m) => m[1])
  const dead = []
  for (const k of new Set(keys)) {
    const re = new RegExp(`\\.${k}\\b`)
    if (!re.test(consumerCode)) dead.push(k)
  }
  console.log(path.basename(f), '→ unused actions/state:', dead.length ? dead.join(', ') : 'none')
}