import ServerlessError from '../../../serverless-error.js'

async function resolveCfImportValue(provider, name, sdkParams = {}) {
  return provider
    .request('CloudFormation', 'listExports', sdkParams)
    .then((result) => {
      const targetExportMeta = result.Exports.find(
        (exportMeta) => exportMeta.Name === name,
      )
      if (targetExportMeta) return targetExportMeta.Value
      if (result.NextToken) {
        return resolveCfImportValue(provider, name, {
          NextToken: result.NextToken,
        })
      }

      throw new ServerlessError(
        `Could not resolve Fn::ImportValue with name ${name}. Are you sure this value is exported ?`,
        'CF_IMPORT_RESOLUTION',
      )
    })
}

export default resolveCfImportValue