import { NextRequest, NextResponse } from "next/server";
import { prisma } from "@/lib/db";
import { getOwnedElement } from "@/lib/queries";
import { getCurrentUserId } from "@/lib/session";
import { phaseDataSchema } from "@/lib/elements";

// Speichert die Werte eines Elements innerhalb einer Lebensphase (Upsert).
export async function PUT(
  request: NextRequest,
  { params }: { params: Promise<{ elementId: string; phaseId: string }> }
) {
  const userId = await getCurrentUserId();
  if (!userId) return NextResponse.json({ error: "Nicht authentifiziert." }, { status: 401 });
  const { elementId, phaseId } = await params;

  const element = await getOwnedElement(elementId, userId);
  if (!element) return NextResponse.json({ error: "Element nicht gefunden." }, { status: 404 });

  const phase = await prisma.phase.findFirst({ where: { id: phaseId, scenarioId: element.scenarioId } });
  if (!phase) return NextResponse.json({ error: "Phase nicht gefunden." }, { status: 404 });

  const body = await request.json();
  const parsed = phaseDataSchema.safeParse(body);
  if (!parsed.success) return NextResponse.json({ error: "Ungültige Eingabe." }, { status: 400 });

  await prisma.elementPhaseValue.upsert({
    where: { elementId_phaseId: { elementId, phaseId } },
    create: { elementId, phaseId, data: parsed.data },
    update: { data: parsed.data },
  });

  return NextResponse.json({ ok: true });
}