import { NextRequest, NextResponse } from "next/server";
import { reorderRequestSchema } from "@/lib/validation/reorderSchemas";
import {
  ReorderConflictError,
  ReorderValidationError,
  reorderContent,
} from "@/services/reorderService";

export async function PATCH(request: NextRequest) {
  const parsed = reorderRequestSchema.safeParse(
    await request.json().catch(() => null)
  );
  if (!parsed.success) {
    return NextResponse.json({ error: "Invalid reorder input" }, { status: 400 });
  }
  try {
    await reorderContent("QUIZ", parsed.data);
    return NextResponse.json({ success: true });
  } catch (error) {
    if (error instanceof ReorderValidationError) {
      return NextResponse.json({ error: error.message }, { status: 400 });
    }
    if (error instanceof ReorderConflictError) {
      return NextResponse.json({ error: error.message }, { status: 409 });
    }
    console.error("Failed to reorder quizzes", error);
    return NextResponse.json({ error: "Failed to reorder quizzes" }, { status: 500 });
  }
}