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

const ROOT = '/Users/mohammedshafiuddin/WebDev/freshyo'
const APP = 'apps/user-ui'

// all user-ui source files
const files = execSync(
  `find ${APP} -type f \\( -name '*.ts' -o -name '*.tsx' \\) -not -path '*/node_modules/*' -not -path '*/dist/*' -not -path '*/.expo/*' -not -path '*/.turbo/*'`,
  { cwd: ROOT }
).toString().trim().split('\n')

// all ts/tsx content across the whole repo that could import these (user-ui + repo scripts)
const scannerFiles = execSync(
  `find apps/user-ui scripts packages/migrator -type f \\( -name '*.ts' -o -name '*.tsx' -o -name '*.js' \\) -not -path '*/node_modules/*' -not -path '*/dist/*' -not -path '*/.expo/*' -not -path '*/.turbo/*'`,
  { cwd: ROOT }
).toString().trim().split('\n')

const contents = new Map()
for (const f of scannerFiles) {
  try { contents.set(f, fs.readFileSync(path.join(ROOT, f), 'utf8')) } catch {}
}

// route files are entry points (expo-router) — exclude from "never imported" check
const isRoute = (f) => f.startsWith(`${APP}/app/`) && !f.includes('+api')
const isConfig = (f) => /metro\.config|eslint\.config|tsconfig|expo-env/.test(f)

const neverImported = []
for (const f of files) {
  if (isRoute(f) || isConfig(f)) continue
  const base = path.basename(f).replace(/\.(ts|tsx)$/, '')
  // special web variants
  const candidates = [base]
  if (base.includes('.')) candidates.push(base) // useColorScheme.web
  const baseNoPlatform = base.replace(/\.web$/, '')
  const re = new RegExp(`from ['"][^'"]*${baseNoPlatform.replace(/\./g, '\\.')}['"]|require\\(['"][^'"]*${baseNoPlatform.replace(/\./g, '\\.')}['"]\\)`)
  const importers = []
  for (const [of, c] of contents) {
    if (of === f) continue
    if (re.test(c)) importers.push(of)
  }
  if (importers.length === 0) neverImported.push(f)
}

console.log('=== FILES NEVER IMPORTED (excluding expo-router entry points) ===')
neverImported.forEach((f) => console.log(f))
console.log('count:', neverImported.length)