/**
 * The only bridge between the desktop shell and the SPA. Keep it tiny: the
 * renderer is the normal web build and must not need Electron to work.
 */
import { contextBridge, ipcRenderer } from "electron";

contextBridge.exposeInMainWorld("j621Desktop", {
  isDesktop: true as const,
  platform: process.platform,
  // The SPA's own origin (`app://j621`), shown by the setup screen when it
  // has to explain which origin to allow in the backend's CORS settings.
  origin: window.location.origin,
  getVersion: (): Promise<string> => ipcRenderer.invoke("j621:version"),
});

// Menu → "Open backend in browser": read the SPA's stored backend URL and
// hand it to the main process after checking it is a real web URL.
ipcRenderer.on("j621:open-backend", () => {
  let url = "";
  try {
    url = window.localStorage.getItem("j621.backend") ?? "";
  } catch {
    // Storage can be unavailable in rare cases; nothing to open then.
  }
  if (url === "none") url = "";
  if (url) void ipcRenderer.invoke("j621:open-external", url);
});