import { NextRequest, NextResponse } from "next/server";
import { registerUser } from "@/lib/auth";

export async function POST(req: NextRequest) {
  try {
    const { nickname, password } = await req.json();
    if (!nickname || !password) {
      return NextResponse.json({ error: "Nickname and password required" }, { status: 400 });
    }
    if (nickname.length < 2 || nickname.length > 20) {
      return NextResponse.json({ error: "Nickname 2-20 characters" }, { status: 400 });
    }
    if (password.length < 4) {
      return NextResponse.json({ error: "Password min 4 characters" }, { status: 400 });
    }
    const result = await registerUser(nickname, password);
    if ("error" in result) {
      return NextResponse.json(result, { status: 409 });
    }
    return NextResponse.json(result);
  } catch {
    return NextResponse.json({ error: "Registration failed" }, { status: 500 });
  }
}