import { NextRequest, NextResponse } from "next/server";
import * as classService from "@/services/classService";
import { classCreateSchema, isPrismaError } from "@/lib/validation/contentSchemas";

export async function GET() {
  return NextResponse.json(await classService.listClasses());
}

export async function POST(request: NextRequest) {
  const parsed = classCreateSchema.safeParse(await request.json().catch(() => null));
  if (!parsed.success) {
    return NextResponse.json({ error: "Class name is required and must be 160 characters or fewer" }, { status: 400 });
  }
  try {
    return NextResponse.json(await classService.createClass(parsed.data.name), { status: 201 });
  } catch (error) {
    if (isPrismaError(error, "P2002")) {
      return NextResponse.json({ error: "A class with that slug already exists" }, { status: 409 });
    }
    console.error("Failed to create class", error);
    return NextResponse.json({ error: "Failed to create class" }, { status: 500 });
  }
}