/**
 * Prisma Client 单例实例
 * Prisma 7 使用 engineType="client" 时必须提供 adapter
 * 使用 @prisma/adapter-mariadb 连接 MySQL
 */

import { PrismaMariaDb } from '@prisma/adapter-mariadb'
import { PrismaClient } from '@/lib/generated/prisma'

const DEFAULT_DATABASE_URL =
  'mysql://cdb_outerroot:Zhiqun1984@56b4c23f6853c.gz.cdb.myqcloud.com:14413/soul_miniprogram'

declare global {
  // eslint-disable-next-line no-var
  var prisma: PrismaClient | undefined
}

// Prisma 7 要求：使用 client 引擎时必须传入 adapter
const adapter = new PrismaMariaDb(
  process.env.DATABASE_URL || DEFAULT_DATABASE_URL
)

const prismaInstance = new PrismaClient({
  adapter,
  log: process.env.NODE_ENV === 'development' ? ['error', 'warn'] : ['error'],
})

export const prisma = global.prisma || prismaInstance

if (process.env.NODE_ENV !== 'production') {
  global.prisma = prisma
}

process.on('beforeExit', async () => {
  await prisma.$disconnect()
})