/**
 * Resolves the `@/*` -> `src/*` TypeScript path alias for plain `node` runs.
 *
 * Node reads neither tsconfig.json nor its `paths`, so maintenance scripts that
 * import app modules (`@/models/teams`) fail to resolve without this. Node 24
 * strips the TypeScript itself; only the alias and the missing file extension
 * need handling.
 *
 * Registered via `--import ./scripts/register-alias.mjs` in the npm scripts.
 */

import { existsSync } from "node:fs";
import path from "node:path";
import { fileURLToPath, pathToFileURL } from "node:url";

const __dirname = import.meta.dirname ?? path.dirname(fileURLToPath(import.meta.url));
const SRC = path.resolve(__dirname, "..", "src");

// Extensionless imports need a suffix; try the same order tsc would.
const CANDIDATES = ["", ".ts", ".tsx", ".js", ".mjs", "/index.ts", "/index.tsx"];

export async function resolve(specifier, context, next) {
  if (specifier === "server-only") {
    return next("next/dist/compiled/server-only/empty", context);
  }
  if (!specifier.startsWith("@/")) return next(specifier, context);

  const base = path.join(SRC, specifier.slice(2));
  for (const ext of CANDIDATES) {
    const candidate = base + ext;
    if (existsSync(candidate)) {
      return next(pathToFileURL(candidate).href, context);
    }
  }

  throw new Error(
    `[register-alias] could not resolve "${specifier}" under ${SRC}`
  );
}