import { createClient } from "@supabase/supabase-js";

const requiredVars = ["VITE_SUPABASE_URL", "VITE_SUPABASE_ANON_KEY"] as const;

const missing = requiredVars.filter((key) => !import.meta.env[key]);

if (missing.length > 0) {
  throw new Error(
    `Faltan variables de entorno de Supabase. Revisa tu archivo .env.\nVariables faltantes: ${missing.join(", ")}`,
  );
}

export const supabase = createClient(
  import.meta.env.VITE_SUPABASE_URL,
  import.meta.env.VITE_SUPABASE_ANON_KEY,
  {
    auth: {
      persistSession: true,
      autoRefreshToken: true,
      detectSessionInUrl: true,
    },
  },
);