// @ts-check
import { clientEnv, clientSchema } from './schema.mjs'

const _clientEnv = clientSchema.safeParse(clientEnv)

export const formatErrors = (
  /** @type {import('zod').ZodFormattedError<Map<string,string>,string>} */
  errors
) =>
  Object.entries(errors)
    .map(([name, value]) => {
      if (value && '_errors' in value) {
        return `${name}: ${value._errors.join(', ')}\n`
      }
      return null
    })
    .filter(Boolean)

if (!_clientEnv.success) {
  const msg = [
    '❌ Invalid environment variables [Client]:\n',
    ...formatErrors(_clientEnv.error.format()),
  ].join('')
  console.error(msg)
  throw new Error(msg)
}

for (let key of Object.keys(_clientEnv.data)) {
  if (!key.startsWith('NEXT_PUBLIC_')) {
    const msg = `❌ Invalid public environment variable name: ${key}. It must begin with 'NEXT_PUBLIC_'`
    console.warn(msg)
    throw new Error(msg)
  }
}

export const env = _clientEnv.data