import { requireAuth } from '~/server/utils/auth'
import { prisma } from '~/server/utils/prisma'

export default defineEventHandler(async (event) => {
  const user = requireAuth(event)
  const id = getRouterParam(event, 'id')
  if (!id) throw createError({ statusCode: 400, message: 'Canvas ID is required' })

  const canvas = await prisma.canvas.findUnique({ where: { id } })
  if (!canvas) throw createError({ statusCode: 404, message: 'Canvas not found' })
  
  // Allow deletion if owner OR if user is admin
  const isOwner = canvas.ownerId === user.id
  const isAdmin = user.role === 'admin'

  if (!isOwner && !isAdmin) {
    console.warn(`[Delete Access Denied] User ${user.id} (${user.role}) tried to delete canvas ${id} owned by ${canvas.ownerId}`)
    throw createError({ statusCode: 403, message: 'У вас нет прав на удаление этой карты. Она принадлежит другому пользователю.' })
  }

  await prisma.canvas.delete({ where: { id } })

  return { success: true, message: 'Canvas deleted' }
})