devist 0.6.0

import { supabase } from "@/lib/supabase";
import type { Session } from "@supabase/supabase-js";
import { type ReactNode, createContext, useContext, useEffect, useState } from "react";

type AuthState = {
  session: Session | null;
  loading: boolean;
  signInWithEmail: (email: string) => Promise<{ error: Error | null }>;
  signOut: () => Promise<void>;
};

const AuthContext = createContext<AuthState | null>(null);

export function AuthProvider({ children }: { children: ReactNode }) {
  const [session, setSession] = useState<Session | null>(null);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    if (!supabase) {
      setLoading(false);
      return;
    }
    supabase.auth.getSession().then(({ data }) => {
      setSession(data.session);
      setLoading(false);
    });
    const { data: sub } = supabase.auth.onAuthStateChange((_event, s) => {
      setSession(s);
    });
    return () => sub.subscription.unsubscribe();
  }, []);

  const signInWithEmail = async (email: string) => {
    if (!supabase) return { error: new Error("Supabase not configured") };
    const { error } = await supabase.auth.signInWithOtp({
      email,
      options: { emailRedirectTo: window.location.origin },
    });
    return { error };
  };

  const signOut = async () => {
    if (!supabase) return;
    await supabase.auth.signOut();
  };

  return (
    <AuthContext.Provider value={{ session, loading, signInWithEmail, signOut }}>
      {children}
    </AuthContext.Provider>
  );
}

export function useAuth() {
  const ctx = useContext(AuthContext);
  if (!ctx) throw new Error("useAuth must be used inside AuthProvider");
  return ctx;
}