import { PrismaClient } from '@prisma/client'

// 환경별 설정
const isDevelopment = process.env.NODE_ENV === 'development'
const isProduction = process.env.NODE_ENV === 'production'

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

// Prisma Client 설정
export const prisma =
  globalForPrisma.prisma ??
  new PrismaClient({
    log: isDevelopment ? ['query', 'error', 'warn'] : ['error'],

    // 데이터소스 설정
    datasources: {
      db: {
        url: process.env.DATABASE_URL,
      },
    },

    // 에러 포맷팅
    errorFormat: isDevelopment ? 'pretty' : 'minimal',
  })

// 개발 환경에서만 글로벌 객체에 저장
if (!isProduction) globalForPrisma.prisma = prisma

// Graceful shutdown
const shutdown = async () => {
  console.log('🚀 ~ shutdown ~ Shutting down Prisma Client...:')
  await prisma.$disconnect()
  process.exit(0)
}

process.on('SIGINT', shutdown)
process.on('SIGTERM', shutdown)
process.on('beforeExit', async () => {
  console.log('🚀 ~ process.on ~ beforeExit:')
  await prisma.$disconnect()
})