import { PrismaClient } from '@prisma/client';

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

function createPrismaClient() {
  const databaseUrl = process.env.DATABASE_URL;

  if (!databaseUrl) {
    console.error('[DB] DATABASE_URL is not set! Using fallback connection string.');
  }

  return new PrismaClient({
    log: process.env.NODE_ENV === 'development' ? ['error', 'warn'] : ['error'],
  });
}

export const db =
  globalForPrisma.prisma ?? createPrismaClient();

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