import { PrismaPg } from "@prisma/adapter-pg";
import { PrismaClient } from "@prisma/client";

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

const connectionString = process.env.DATABASE_URL;

if (!connectionString) {
  throw new Error("DATABASE_URL is not configured.");
}

const adapter = new PrismaPg({ connectionString });

export const prisma =
  globalForPrisma.prisma ??
  new PrismaClient({
    adapter,
    log: process.env.NODE_ENV === "development" ? ["warn", "error"] : ["error"],
  });

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