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

let prisma;

export function buildDatabaseUrl(config) {
  const { host, user, password, database } = config.db;
  return `mysql://${encodeURIComponent(user)}:${encodeURIComponent(password)}@${host}:3306/${database}?connection_limit=10`;
}

export function getPrismaClient(config) {
  if (!prisma) {
    process.env.DATABASE_URL = buildDatabaseUrl(config);
    prisma = new PrismaClient();
  }
  return prisma;
}

export async function closePrismaClient() {
  if (prisma) {
    await prisma.$disconnect();
    prisma = undefined;
  }
}