import React, { createContext, useContext, useEffect, useState } from 'react';
import { onAuthStateChanged, signOut } from 'firebase/auth';
import { auth } from './firebase';

const AuthContext = createContext();

export const AuthProvider = ({ children }) => {
  const [user, setUser] = useState(null);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    const unsubscribe = onAuthStateChanged(auth, (firebaseUser) => {
      setUser(firebaseUser);
      setLoading(false);
    });
    return unsubscribe;
  }, []);

  const logout = () => signOut(auth);

  return (
    <AuthContext.Provider value={{ user, loading, logout }}>
      {children}
    </AuthContext.Provider>
  );
};

export const useAuth = () => {
  return useContext(AuthContext);
};