import { Router } from "express";
import { noteInputSchema } from "@notes/shared";
import { getOrCreateTopicPage } from "../nextcloud/topicCache.js";
import { appendEntry } from "../nextcloud/webdavClient.js";
import { formatEntry } from "../nextcloud/noteFormatter.js";

export const notesRoutes = Router();

notesRoutes.post("/", async (req, res) => {
  const parsed = noteInputSchema.safeParse(req.body);
  if (!parsed.success) {
    res.status(400).json({ error: "Invalid note payload", details: parsed.error.flatten() });
    return;
  }

  const { topic, page, text } = parsed.data;

  try {
    const targetPage = await getOrCreateTopicPage(topic);
    const entry = formatEntry(text, page);
    await appendEntry(targetPage, entry);
    res.status(201).json({ ok: true });
  } catch (err) {
    console.error("Failed to save note", err);
    res.status(502).json({ error: "Failed to save note to Nextcloud" });
  }
});