import { ReachyMini } from "@pollen-robotics/reachy-mini-sdk";

(window as unknown as { ReachyMini: typeof ReachyMini }).ReachyMini = ReachyMini;
window.dispatchEvent(new Event("reachymini:ready"));

const params = new URLSearchParams(window.location.search);
const isEmbed = params.get("embedded") === "1" || params.get("embed") === "1";
// The host shell's HF OAuth redirect returns to `/?code=…` (or `?error=…`);
// resume the host directly so the sign-in round-trip completes.
const isOAuthReturn = params.has("code") || params.has("error");
const launched = sessionStorage.getItem("cookaiware:launched") === "1";

function bootHost(): Promise<void> {
  sessionStorage.setItem("cookaiware:launched", "1");
  const root = document.getElementById("root");
  if (root) root.innerHTML = "";
  return import("@pollen-robotics/reachy-mini-sdk/host/auto").then(({ mountHost }) => {
    mountHost({
      appName: "CookAIware",
      appIconUrl: "/icon.png",
      appEmoji: "🍲",
      enableMicrophone: true,
      // Dev shortcuts from .env.local (gitignored), see guide §9.
      devToken:
        import.meta.env.VITE_HF_TOKEN && import.meta.env.VITE_HF_USERNAME
          ? {
              token: import.meta.env.VITE_HF_TOKEN as string,
              userName: import.meta.env.VITE_HF_USERNAME as string,
            }
          : undefined,
      clientId: import.meta.env.VITE_HF_OAUTH_CLIENT_ID as string | undefined,
    });
  });
}

if (import.meta.env.DEV && params.get("uidev") === "1") {
  // Dev-only UI harness without a robot session.
  void import("./devUi");
} else if (isEmbed) {
  void import("./embed");
} else if (isOAuthReturn || launched) {
  // Returning from sign-in, or already launched this session → host shell.
  void bootHost();
} else {
  // Fresh visit → informational landing page; "Connect your Reachy" hands off.
  void import("./landing").then(({ renderLanding }) => renderLanding(() => void bootHost()));
}