import { createSlice } from "@reduxjs/toolkit";

const getInitialState = () => {
  if (typeof window === "undefined") {
    return { token: null, isAuthenticated: false };
  }
  const token = localStorage.getItem("token");
  return {
    token: token || null,
    isAuthenticated: !!token,
  };
};

const authSlice = createSlice({
  name: "auth",
  initialState: getInitialState(),
  reducers: {
    setToken(state, action) {
      state.token = action.payload;
      state.isAuthenticated = true;
      if (typeof window !== "undefined") {
        localStorage.setItem("token", action.payload);
      }
    },
    clearToken(state) {
      state.token = null;
      state.isAuthenticated = false;
      if (typeof window !== "undefined") {
        localStorage.removeItem("token");
      }
    },
  },
});

export const { setToken, clearToken } = authSlice.actions;
export default authSlice.reducer;