#!/usr/bin/env node
/**
 * CI: kernel TUI artifact + booter embedded source match a fresh concat,
 * and lib/tui/src + lib/sdk/src stay free of import/export/require.
 */
import fs from 'node:fs'
import path from 'node:path'
import process from 'node:process'
import { fileURLToPath } from 'node:url'
import {
  concatTuiSdkSource,
  tuiSdkDataModule,
  tuiSdkPaths
} from './lib/tui-sdk-bundle.mjs'

const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..')
const FORBIDDEN = /\b(import|export|require)\s*[\s('"`]/

function walkJs(dir, out) {
  if (!fs.existsSync(dir)) return
  for (const ent of fs.readdirSync(dir, { withFileTypes: true })) {
    const p = path.join(dir, ent.name)
    if (ent.isDirectory()) walkJs(p, out)
    else if (ent.isFile() && ent.name.endsWith('.js')) out.push(p)
  }
}

function main() {
  const p = tuiSdkPaths(root)
  const { source } = concatTuiSdkSource(root)
  const kernel = fs.existsSync(p.kernelOut)
    ? fs.readFileSync(p.kernelOut, 'utf8')
    : ''
  if (kernel.trim() !== source.trim()) {
    console.error(
      'verify-tui-concat: kernel/lib/bare-os/tui.js is stale. Run: node scripts/bundle-tui-sdk.mjs'
    )
    process.exit(1)
  }
  const seeder = fs.existsSync(p.seederOut)
    ? fs.readFileSync(p.seederOut, 'utf8')
    : ''
  if (seeder.trim() !== source.trim()) {
    console.error(
      'verify-tui-concat: seeder kernel/lib/bare-os/tui.js is stale. Run: node scripts/bundle-tui-sdk.mjs'
    )
    process.exit(1)
  }
  const wantData = tuiSdkDataModule(source)
  const gotData = fs.existsSync(p.dataOut)
    ? fs.readFileSync(p.dataOut, 'utf8')
    : ''
  if (gotData !== wantData) {
    console.error(
      'verify-tui-concat: bare-os-tui-sdk.data.mjs is stale. Run: node scripts/bundle-tui-sdk.mjs'
    )
    process.exit(1)
  }

  const srcFiles = []
  walkJs(path.join(root, 'lib', 'tui', 'src'), srcFiles)
  walkJs(path.join(root, 'lib', 'sdk', 'src'), srcFiles)
  for (const abs of srcFiles) {
    const txt = fs.readFileSync(abs, 'utf8')
    if (FORBIDDEN.test(txt)) {
      console.error(
        'verify-tui-concat: import/export/require in',
        path.relative(root, abs)
      )
      process.exit(1)
    }
  }
  console.log('verify-tui-concat: OK')
}

main()