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

export async function POST() {
  try {
    const session = await auth();
    if (!session?.user?.id) {
      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
    }

    const userId = session.user.id;
    const traceFilter = { trace: { userId } };

    await prisma.$transaction([
      prisma.event.deleteMany({ where: traceFilter }),
      prisma.decisionPoint.deleteMany({ where: traceFilter }),
      prisma.span.deleteMany({ where: traceFilter }),
      prisma.trace.deleteMany({ where: { userId } }),
    ]);

    return NextResponse.json({ success: true }, { status: 200 });
  } catch (error) {
    console.error("Error purging data:", error);
    return NextResponse.json(
      { error: "Internal server error" },
      { status: 500 }
    );
  }
}