import { readBody, createError } from 'h3'
import { prisma } from '../../utils/db'
import { requireUser } from '../../utils/auth'

export default defineEventHandler(async (event) => {
  const user = await requireUser(event)
  const body = await readBody<{ name: string; balanceType: 'cumulative' | 'monthly_reset'; initialBalance?: number }>(event)
  const name = body.name?.trim()
  if (!name) throw createError({ statusCode: 400, statusMessage: 'Asset name is required' })

  const count = await prisma.asset.count({ where: { userId: user.id } })

  return prisma.asset.create({
    data: {
      userId: user.id,
      name,
      balanceType: body.balanceType,
      initialBalance: body.balanceType === 'cumulative' ? Number(body.initialBalance || 0) : 0,
      sortOrder: count
    }
  })
})