type Jira = {

  username: string;

  password: string;

  domain: string;

};

/**

 * Add attachment

 * Adds one or more attachments to an issue.

 */

export async function main(

  auth: Jira,

  issueIdOrKey: string,

  body: {

    bytes?: string[];

    contentType?: string;

    empty?: boolean;

    inputStream?: { [k: string]: unknown };

    name?: string;

    originalFilename?: string;

    resource?: {

      description?: string;

      file?: string;

      filename?: string;

      inputStream?: { [k: string]: unknown };

      open?: boolean;

      readable?: boolean;

      uri?: string;

      url?: string;

    };

    size?: number;

  }[]

) {

  const url = new URL(

    `https://${auth.domain}.atlassian.net/rest/api/2/issue/${issueIdOrKey}/attachments`

  );

  const formData = new FormData();

  for (const [k, v] of Object.entries(body)) {

    if (v !== undefined && v !== "") {

      formData.append(k, String(v));

    }

  }

  const response = await fetch(url, {

    method: "POST",

    headers: {

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

    },

    body: formData,

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}