config.ts

import { getKeyPair } from "@hs/homeserver";
import type { Config } from "@hs/homeserver/src/plugins/config";
const { CONFIG_FOLDER = "." } = process.env;

const getConfig = async (): Promise<Config> => {
	// read info
	const file = Bun.file(`${CONFIG_FOLDER}/config.json`);

	if (!file.exists) {
		throw new Error("Config file not found");
	}
	const content = await file.json();

	if (!content.name) {
		throw new Error("Config file is missing the name property");
	}

	if (content.signingKey) {
		return content;
	}

	const { signingKeyPath = `${CONFIG_FOLDER}/${content.name}.signing.key` } =
		content;

	if (typeof signingKeyPath !== "string") {
		throw new Error("Config file is missing the signingKeyPath property");
	}

	const result = await getKeyPair({
		signingKeyPath,
	});

	Object.keys(process.env)
		.filter((key) => key.startsWith("HOMESERVER_CONFIG_"))
		.forEach((variable) => {
			const key = variable.replace("HOMESERVER_CONFIG_", "");
			if (key in content) {
				content[key] = process.env[variable];
			}
		});

	if (content.tls) {
		if (!content.tls.cert) {
			console.error("Config file is missing the tls.cert property, unsetting tls");
			content.tls = undefined;
		}

		if (!content.tls.key) {
			console.error("Config file is missing the tls.key property, unsetting tls");
			content.tls = undefined;
		}
	}

	return {
		...content,
		signingKey: result,
		name: content.name,
		path: CONFIG_FOLDER,
		signingKeyPath,
	};
};

export const config = await getConfig();