import { prisma } from "@/lib/db"

/**
 * Validates that a childId exists in the database.
 * Returns the child record or null.
 * Use this in API routes to prevent access to non-existent children.
 */
export async function validateChild(childId: string | null) {
  if (!childId) return null
  try {
    const child = await prisma.child.findUnique({
      where: { id: childId },
      select: { id: true, name: true, profile: true, familyId: true },
    })
    return child
  } catch {
    return null
  }
}