import { PrismaClient } from '@prisma/client'
import { randomBytes, scryptSync } from 'node:crypto'

const prisma = new PrismaClient()

function hashPassword(password) {
  const salt = randomBytes(16).toString('base64url')
  const derivedKey = scryptSync(password, salt, 64).toString('base64url')
  return `scrypt$${salt}$${derivedKey}`
}

async function upsertUser({ email, password }) {
  const passwordHash = hashPassword(password)

  await prisma.user.upsert({
    where: { email },
    update: {
      passwordHash
    },
    create: {
      email,
      passwordHash
    }
  })
}

async function main() {
  await upsertUser({
    email: 'student@example.com',
    password: '123456'
  })
}

main()
  .then(async () => {
    await prisma.$disconnect()
  })
  .catch(async (error) => {
    console.error('Seed failed:', error)
    await prisma.$disconnect()
    process.exit(1)
  })