// Pithos for Theseus. The add-on runs the same control server as the web
// console and desktop app, in Theseus's main process, and opens its UI in a
// normal tab at a random loopback port. The first URL carries a one-time
// secret that the server swaps for an HttpOnly cookie.
//
// Loaded with require() by the add-on host; core/ is ESM, hence import().

const path = require("node:path");
const { pathToFileURL } = require("node:url");

let pithos = null;
let starting = null;

module.exports = {
  activate(api) {
    // The pinned s3d release lands in the per-add-on data folder, never in the
    // add-on folder itself (that one is replaced on update).
    const dataDir = path.join(api.dataDir || path.join(api.folder, "..", "..", "extensions-data"), "pithos");

    async function ensureServer() {
      if (pithos) return pithos;
      if (!starting) {
        starting = (async () => {
          const { createPithos } = await import(pathToFileURL(path.join(__dirname, "core", "server.js")).href);
          pithos = await createPithos({
            host: "127.0.0.1",
            port: 0,
            hostName: "theseus",
            binDir: path.join(dataDir, "bin"),
            openExternal: (url) => api.openTab(url),
          });
          api.log(`control server on ${pithos.url}`);
          return pithos;
        })().finally(() => { starting = null; });
      }
      return starting;
    }

    api.onMessage("menu-select", async (payload) => {
      const id = payload && payload.id;
      if (id === "open") {
        const p = await ensureServer();
        api.openTab(p.authUrl);
      } else if (id === "stop") {
        if (pithos) await pithos.daemon.stop();
      }
    });

    // The host has no quit hook for add-ons; without this an s3d we started
    // would outlive Theseus.
    process.on("exit", () => { try { pithos && pithos.daemon.child && pithos.daemon.child.kill(); } catch {} });
  },

  async deactivate() {
    if (pithos) { const p = pithos; pithos = null; await p.close(); }
  },
};