type Mailchimp = {

  api_key: string;

  server: string;

};

export async function main(auth: Mailchimp, campaign_id: string) {

  const url = `https://${auth.server}.api.mailchimp.com/3.0/campaigns/${campaign_id}/actions/cancel-send`;

  const response = await fetch(url, {

    method: "POST",

    headers: {

      Authorization: `Bearer ${auth.api_key}`,

    },

  });

  if (!response.ok) {

    throw Error(await response.text());

  }

  return await response.json();

}