import { drizzle } from 'drizzle-orm/node-postgres';
import type { NodePgDatabase } from 'drizzle-orm/node-postgres';
import * as schema from './schema';
import '@/lib/env-config';

let _db: NodePgDatabase<typeof schema> | null = null;

function getDb() {
  if (!_db) {
    const DATABASE_URL = process.env.POSTGRES_URL;
    if (!DATABASE_URL) {
      throw new Error('POSTGRES_URL environment variable is required');
    }
    _db = drizzle(DATABASE_URL, { schema });
  }
  return _db;
}

export const db = new Proxy({} as NodePgDatabase<typeof schema>, {
  get(target, prop) {
    const database = getDb();
    const value = database[prop as keyof typeof database];
    return typeof value === 'function' ? value.bind(database) : value;
  },
});

// Re-export schema types for convenience
export * from './schema';