import { createContext, useContext, useState, useEffect } from "react";
import api from "../services/api";
import { PerfilUsuario } from "../types/usuario";

interface AuthContextData {
  isAuthenticated: boolean;
  isLoading: boolean;
  user: {
    id: string;
    nome: string;
    email: string;
    perfil: PerfilUsuario;
  } | null;
  login: (email: string, password: string) => Promise<void>;
  logout: () => void;
}

const AuthContext = createContext<AuthContextData>({} as AuthContextData);

export function AuthProvider({ children }: { children: React.ReactNode }) {
  const [isAuthenticated, setIsAuthenticated] = useState(false);
  const [isLoading, setIsLoading] = useState(true);
  const [user, setUser] = useState(null);

  useEffect(() => {
    const checkAuth = async () => {
      try {
        const token = localStorage.getItem("@AdvX:token");
        if (token) {
          api.defaults.headers.authorization = `Bearer ${token}`;
          const response = await api.get("/auth/me");
          setUser(response.data);
          setIsAuthenticated(true);
        }
      } catch (error) {
        console.error("Erro na autenticação:", error);
        localStorage.removeItem("@AdvX:token");
        api.defaults.headers.authorization = "";
        setUser(null);
      } finally {
        setIsLoading(false);
      }
    };

    checkAuth();
  }, []);

  const login = async (email: string, password: string) => {
    try {
      const response = await api.post("/auth/login", { email, password });
      const { token, user: userData } = response.data;

      console.log("Login - User data:", userData); // Debug log

      localStorage.setItem("@AdvX:token", token);
      api.defaults.headers.authorization = `Bearer ${token}`;
      setUser(userData);
      setIsAuthenticated(true);
    } catch (error) {
      console.error("Erro ao fazer login:", error);
      throw error;
    }
  };

  const logout = () => {
    localStorage.removeItem("@AdvX:token");
    api.defaults.headers.authorization = "";
    setIsAuthenticated(false);
    setUser(null);
  };

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

export const useAuth = () => useContext(AuthContext);