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

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

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

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

    // Sort by first date descending (newest first)
    trips.sort((a, b) => (b.dates?.[0] ?? "").localeCompare(a.dates?.[0] ?? ""));

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