import { NextResponse } from "next/server"
import { prisma } from "@/lib/prisma"

export async function POST() {
  try {
    const result = await prisma.transaction.updateMany({
      where: {
        categoryId: { not: null },
      },
      data: {
        categoryId: null,
      },
    })

    return NextResponse.json({
      success: true,
      count: result.count,
    })
  } catch (error) {
    console.error("Error clearing categories:", error)
    return NextResponse.json({ error: "Failed to clear categories" }, { status: 500 })
  }
}