type Github = {

  token: string;

};

/**

 * Create an installation access token for an app

 * Creates an installation access token that enables a GitHub App to make authenticated API requests for the app's installation on an organization or individual account.

 */

export async function main(

  auth: Github,

  installation_id: string,

  body: {

    permissions?: {

      actions?: "read" | "write";

      administration?: "read" | "write";

      checks?: "read" | "write";

      contents?: "read" | "write";

      deployments?: "read" | "write";

      environments?: "read" | "write";

      issues?: "read" | "write";

      members?: "read" | "write";

      metadata?: "read" | "write";

      organization_administration?: "read" | "write";

      organization_announcement_banners?: "read" | "write";

      organization_custom_roles?: "read" | "write";

      organization_hooks?: "read" | "write";

      organization_packages?: "read" | "write";

      organization_plan?: "read";

      organization_projects?: "read" | "write" | "admin";

      organization_secrets?: "read" | "write";

      organization_self_hosted_runners?: "read" | "write";

      organization_user_blocking?: "read" | "write";

      packages?: "read" | "write";

      pages?: "read" | "write";

      pull_requests?: "read" | "write";

      repository_announcement_banners?: "read" | "write";

      repository_hooks?: "read" | "write";

      repository_projects?: "read" | "write" | "admin";

      secret_scanning_alerts?: "read" | "write";

      secrets?: "read" | "write";

      security_events?: "read" | "write";

      single_file?: "read" | "write";

      statuses?: "read" | "write";

      team_discussions?: "read" | "write";

      vulnerability_alerts?: "read" | "write";

      workflows?: "write";

      [k: string]: unknown;

    };

    repositories?: string[];

    repository_ids?: number[];

    [k: string]: unknown;

  }

) {

  const url = new URL(

    `https://api.github.com/app/installations/${installation_id}/access_tokens`

  );

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}