// /opt/erp-system/lib/prisma.ts
import { PrismaClient } from '@prisma/client';
import { PrismaPg } from '@prisma/adapter-pg';
import { Pool } from 'pg';

// Verhindert zu viele offene Verbindungen beim Hot-Reloading in Next.js
const globalForPrisma = global as unknown as { prisma: PrismaClient };

const pool = new Pool({ connectionString: process.env.DATABASE_URL });
const adapter = new PrismaPg(pool);

export const prisma = globalForPrisma.prisma || new PrismaClient({ adapter });

if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = prisma;

export default prisma;