"use client";

import { useEffect, useState } from "react";
import { currentUser } from "./demo-data";

export type SessionUser = {
  id: string;
  email?: string;
  username: string;
  name: string;
  headline: string;
  avatarUrl?: string | null;
};

export function useCurrentUser() {
  const [user, setUser] = useState<SessionUser>({
    ...currentUser,
    avatarUrl: currentUser.avatar,
  });

  useEffect(() => {
    let active = true;
    void fetch("/api/auth/session", { cache: "no-store" })
      .then(async (response) => {
        const body = await response.json() as { user?: SessionUser | null };
        if (active && response.ok && body.user) setUser(body.user);
      })
      .catch(() => undefined);
    return () => { active = false; };
  }, []);

  return user;
}