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

const supabaseUrl = import.meta.env.VITE_SUPABASE_URL || '';
const supabaseAnonKey = import.meta.env.VITE_SUPABASE_ANON_KEY || '';

// Create a dummy client if vars are missing so the app doesn't crash on import
// We guard actual usage of this with AUTH_ENABLED in App.tsx
export const supabase = supabaseUrl && supabaseAnonKey
  ? createClient(supabaseUrl, supabaseAnonKey)
  : ({
      auth: {
        getSession: async () => ({ data: { session: null } }),
        onAuthStateChange: () => ({ data: { subscription: { unsubscribe: () => {} } } }),
        signInWithPassword: async () => ({ error: new Error('Auth disabled') }),
        signUp: async () => ({ error: new Error('Auth disabled') }),
        signOut: async () => {},
      }
    } as any);