import { create } from "zustand";
import type { User } from "@/types/user";

/* localStorage에서 유저 정보 복원 */
function loadUser(): User | null {
  try {
    const raw = localStorage.getItem("user");
    return raw ? JSON.parse(raw) : null;
  } catch {
    return null;
  }
}

const savedUser = loadUser();
const savedToken = localStorage.getItem("accessToken");

interface AuthState {
  user: User | null;
  isAuthenticated: boolean;
  setAuth: (user: User, accessToken: string, refreshToken: string) => void;
  logout: () => void;
}

export const useAuthStore = create<AuthState>((set) => ({
  user: savedUser,
  isAuthenticated: !!(savedUser && savedToken),
  setAuth: (user, accessToken, refreshToken) => {
    localStorage.setItem("accessToken", accessToken);
    localStorage.setItem("refreshToken", refreshToken);
    localStorage.setItem("user", JSON.stringify(user));
    set({ user, isAuthenticated: true });
  },
  logout: () => {
    localStorage.removeItem("accessToken");
    localStorage.removeItem("refreshToken");
    localStorage.removeItem("user");
    set({ user: null, isAuthenticated: false });
  },
}));