import { neonConfig, Pool } from "@neondatabase/serverless"
import { PrismaNeon } from "@prisma/adapter-neon"
import { PrismaClient } from "@prisma/client"
import ws from "ws"

import { env } from "@/env.mjs"

neonConfig.webSocketConstructor = ws as unknown as typeof WebSocket

const connectionString = env.DATABASE_URL

const pool = new Pool({ connectionString })
const adapter = new PrismaNeon(pool)

const prismaClientSingleton = () => {
  return new PrismaClient({ adapter })
}

type PrismaClientSingleton = ReturnType<typeof prismaClientSingleton>

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

export const prisma = globalForPrisma.prisma ?? prismaClientSingleton()

if (env.NODE_ENV !== "production") globalForPrisma.prisma = prisma