import { Pool } from 'pg';
import { PrismaPg } from '@prisma/adapter-pg';
import { PrismaClient } from '../../generated/client';

const pool = new Pool({
  connectionString: process.env.DATABASE_URL,
  max: parseInt(process.env.DB_POOL_MAX || '100000', 10),
  connectionTimeoutMillis: 10000,
  idleTimeoutMillis: 300000,
});

const adapter = new PrismaPg(pool);

const globalForPrisma = globalThis as unknown as {
  prisma: PrismaClient | undefined;
};

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

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