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

const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL;
const supabaseAnonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY;

if (!supabaseUrl) {
  console.error('Error: Missing Supabase URL. Please set NEXT_PUBLIC_SUPABASE_URL in .env.local');
}

if (!supabaseAnonKey) {
  console.error('Error: Missing Supabase Anon Key. Please set NEXT_PUBLIC_SUPABASE_ANON_KEY in .env.local');
}

// Ensure client is only created if keys are present, to avoid errors during build or in environments where keys might not be set.
// The actual fetch operations in components should handle cases where supabase might not be initialized.
let supabaseInstance = null;
if (supabaseUrl && supabaseAnonKey) {
  supabaseInstance = createClient(supabaseUrl, supabaseAnonKey);
} else {
  console.warn('Supabase client not initialized due to missing URL or Anon Key. App will run without Supabase functionality.');
}

export const supabase = supabaseInstance;