import { readdir, readFile } from "node:fs/promises"
import path from "node:path"

const uiComponentsPath = path.join("src", "components", "ui")
const componentEntries = await readdir(uiComponentsPath, { withFileTypes: true })
const components = componentEntries
  .filter((entry) => entry.isDirectory())
  .map((entry) => entry.name)
  .sort((a, b) => a.localeCompare(b))

const failures = []

for (const component of components) {
  const indexPath = path.join(uiComponentsPath, component, "index.ts")
  try {
    const source = await readFile(indexPath, "utf8")
    if (!source.includes("export default")) {
      failures.push(`${indexPath}: missing default export`)
    }
  } catch (error) {
    if (error.code !== "ENOENT") {
      throw error
    }
    failures.push(`${indexPath}: missing file`)
  }
}

if (failures.length > 0) {
  console.error(failures.join("\n"))
  process.exit(1)
}

console.log(`Checked ${components.length} component exports.`)