import type { APIRoute } from "astro";
import { readdir, readFile } from "node:fs/promises";
import { join } from "node:path";

const MAPS_ROOT = join(process.env.REPO_ROOT ?? "/Users/ace/palacering", "palaces", "manglasabang", "palaceappsdata", "palacetravel", "maps");

export const GET: APIRoute = async () => {
  try {
    const entries = await readdir(MAPS_ROOT, { withFileTypes: true });
    const maps = [];

    for (const entry of entries) {
      if (!entry.isDirectory()) continue;
      try {
        const meta = await readFile(join(MAPS_ROOT, entry.name, "meta.json"), "utf-8");
        maps.push({ id: entry.name, ...JSON.parse(meta) });
      } catch { /* skip dirs without meta.json */ }
    }

    return new Response(JSON.stringify(maps), {
      headers: { "Content-Type": "application/json" },
    });
  } catch {
    return new Response("[]", { headers: { "Content-Type": "application/json" } });
  }
};