import { signal } from "@preact/signals";

interface AuthState {
  loading: boolean;
  authenticated: boolean;
  did: string | null;
  handle: string | null;
}

export const auth = signal<AuthState>({
  loading: true,
  authenticated: false,
  did: null,
  handle: null,
});

export async function checkSession() {
  try {
    const res = await fetch("/api/oauth/session");
    const data = await res.json();
    auth.value = {
      loading: false,
      authenticated: data.authenticated,
      did: data.did ?? null,
      handle: data.handle ?? null,
    };
  } catch {
    auth.value = { loading: false, authenticated: false, did: null, handle: null };
  }
}

export async function logout() {
  await fetch("/api/oauth/logout", { method: "POST" });
  auth.value = { loading: false, authenticated: false, did: null, handle: null };
}