import { PrismaClient } from "@prisma/client";
import { PrismaBetterSqlite3 } from "@prisma/adapter-better-sqlite3";

// Prisma 7 requires a driver adapter for SQLite connections.
function createPrisma() {
  const url = process.env.DATABASE_URL || "file:./leadflow.db";
  const adapter = new PrismaBetterSqlite3({ url });
  return new PrismaClient({ adapter } as ConstructorParameters<typeof PrismaClient>[0]);
}

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

export const prisma = globalForPrisma.prisma ?? createPrisma();

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