import { FirebaseError } from "./error";

import { SiteType, listSites } from "./hosting/api";

import { logger } from "./logger";

import { getFirebaseProject } from "./management/projects";

import { needProjectId } from "./projectUtils";

import { last } from "./utils";

export const errNoDefaultSite = new FirebaseError(

"Could not determine the default site for the project.",

);

/**

* Tries to determine the default hosting site for a project, else falls back to projectId.

* @param options The command-line options object

* @return The hosting site ID

*/

export async function getDefaultHostingSite(options: { projectId?: string }): Promise<string> {

const projectId = needProjectId(options);

const project = await getFirebaseProject(projectId);

let site = project.resources?.hostingSite;

if (!site) {

logger.debug(`the default site does not exist on the Firebase project; asking Hosting.`);

const sites = await listSites(projectId);

for (const s of sites) {

if (s.type === SiteType.DEFAULT_SITE) {

site = last(s.name.split("/"));

break;

}

}

if (!site) {

throw errNoDefaultSite;

}

return site;

}

return site;

}