import { NextRequest, NextResponse } from "next/server";
import { auth } from "@/lib/auth";
import { sendCommand } from "@/lib/rcon";
import { readChatMessages } from "@/lib/chat-log";

export const dynamic = "force-dynamic";

export async function GET(req: NextRequest) {
  const session = await auth();
  if (!session) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 403 });
  }

  const maxLines = parseInt(req.nextUrl.searchParams.get("lines") || "100");

  try {
    return NextResponse.json(readChatMessages(maxLines));
  } catch (e) {
    return NextResponse.json(
      { error: (e as Error).message },
      { status: 500 }
    );
  }
}

export async function POST(req: NextRequest) {
  const session = await auth();
  if (!session) {
    return NextResponse.json({ error: "Unauthorized" }, { status: 403 });
  }

  const { message } = await req.json();
  if (!message || typeof message !== "string" || message.length > 256) {
    return NextResponse.json({ error: "Invalid message" }, { status: 400 });
  }

  const sanitized = message.replace(/[\r\n]/g, "").trim();
  if (!sanitized) {
    return NextResponse.json({ error: "Empty message" }, { status: 400 });
  }

  try {
    const response = await sendCommand(`say ${sanitized}`);
    return NextResponse.json({ ok: true, response });
  } catch (e) {
    return NextResponse.json(
      { error: (e as Error).message },
      { status: 500 }
    );
  }
}