import fs from 'node:fs'
import path from 'node:path'
import { fileURLToPath, pathToFileURL } from 'node:url'
import { stableStringify } from './schema-check.js'

const here = path.dirname(fileURLToPath(import.meta.url))
const repoRoot = path.resolve(here, '../..')
const snapshotPath = path.join(repoRoot, 'packages/contracts/schema-snapshot.json')

async function main() {
  const contracts = await import(pathToFileURL(path.join(repoRoot, 'packages/contracts/src/index.js')).href)
  if (typeof contracts.dumpSchemas !== 'function') {
    throw new Error('schema-update: packages/contracts does not export dumpSchemas')
  }
  fs.writeFileSync(snapshotPath, `${stableStringify(contracts.dumpSchemas())}\n`)
  console.log(`[schema:update] wrote ${path.relative(repoRoot, snapshotPath)}`)
}

main().catch((err) => {
  console.error(err instanceof Error ? err.stack : err)
  process.exit(1)
})