import { createServer } from "http";
import next from "next";
import { handleWebDAV } from "./lib/webdav";
import { createDailySnapshotIfNeeded } from "./lib/snapshot";
import { purgeExpiredTrash, cleanupOrphanChunks } from "./lib/trash";

const dev = process.env.NODE_ENV !== "production";
const port = parseInt(process.env.PORT || "5001", 10);

const app = next({ dev });
const handle = app.getRequestHandler();

app.prepare().then(() => {
  createServer(async (req, res) => {
    const parsedUrl = new URL(req.url!, `http://${req.headers.host || "localhost"}`);

    if (parsedUrl.pathname?.startsWith("/dav")) {
      await handleWebDAV(req, res);
    } else {
      await handle(req, res);
    }
  }).listen(port, () => {
    console.log(`> SPB Cloud ready on http://localhost:${port}`);
    console.log(`> WebDAV endpoint: http://localhost:${port}/dav`);
    console.log(`> WebDAV public:   https://cloud.spboucher.ai/dav`);

    // Daily snapshot: attempt immediately on startup, then check every hour
    const runSnapshot = () => {
      createDailySnapshotIfNeeded()
        .then((created) => { if (created) console.log("> [Snapshot] Snapshot quotidien créé"); })
        .catch((err) => console.error("> [Snapshot] Erreur:", err));
    };
    // Entretien horaire : purge de la corbeille (> 30 jours) + chunks d'upload orphelins
    const runMaintenance = () => {
      purgeExpiredTrash().then((n) => { if (n) console.log(`> [Corbeille] ${n} fichier(s) purgé(s) (> 30 j)`); }).catch((err) => console.error("> [Corbeille] Erreur:", err));
      cleanupOrphanChunks().catch((err) => console.error("> [Upload] Nettoyage chunks:", err));
    };
    setTimeout(runMaintenance, 60 * 1000);
    setInterval(runMaintenance, 60 * 60 * 1000);

    if (process.env.SNAPSHOT_DISABLED === "1") {
      console.log("> [Snapshot] désactivé (SNAPSHOT_DISABLED=1)");
    } else {
      runSnapshot();
      setInterval(runSnapshot, 60 * 60 * 1000); // re-check every hour
    }
  });
}).catch((err) => {
  console.error("Failed to start server:", err);
  process.exit(1);
});