import { createRequire } from "node:module";
import { dirname, join, resolve } from "node:path";
import { fileURLToPath } from "node:url";

const __dirname = dirname(fileURLToPath(import.meta.url));

/**
 * @typedef {'~authentik'} MonoRepoRoot
 */

/**
 * The root of the authentik monorepo.
 */
export const MonoRepoRoot = /** @type {MonoRepoRoot} */ (resolve(__dirname, "..", ".."));

const require = createRequire(import.meta.url);

/**
 * Resolve a package name to its location in the monorepo to the single node_modules directory.
 * @param {string} packageName
 * @returns {string} The resolved path to the package.
 * @throws {Error} If the package cannot be resolved.
 */
export function resolvePackage(packageName) {
    const packageJSONPath = require.resolve(join(packageName, "package.json"), {
        paths: [MonoRepoRoot],
    });

    return dirname(packageJSONPath);
}