type Zendesk = {

  username: string;

  password: string;

  subdomain: string;

};

/**

 * List Followers for a Ticket

 * Returns any users who follow the ticket.

#### Availability

The [CCs and Followers](https://support.zendesk.com/hc/en-us/articles/203690846) feature must be enabled in Zendesk Support.

#### Allowed For

* Agents

 */

export async function main(auth: Zendesk, ticket_id: string) {

  const url = new URL(

    `https://${auth.subdomain}.zendesk.com/api/v2/tickets/${ticket_id}/followers`

  );

  const response = await fetch(url, {

    method: "GET",

    headers: {

      Authorization: "Basic " + btoa(`${auth.username}:${auth.password}`),

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}