import { NextRequest, NextResponse } from "next/server";
import { createVncMeeting } from "@/lib/vnctalk/client";
import { logger } from "@/lib/logger";

function getClientIP(request: NextRequest): string {
  const forwarded = request.headers.get("x-forwarded-for");
  if (forwarded) return forwarded.split(",")[0].trim();
  return "127.0.0.1";
}

export async function POST(request: NextRequest) {
  try {
    const body = await request.json();

    if (!body.name || !body.start || !body.end) {
      return NextResponse.json(
        { error: "Missing required fields: name, start, end" },
        { status: 400 }
      );
    }

    const invitees: string[] = Array.isArray(body.invitees) ? body.invitees : [];

    const result = await createVncMeeting({
      name: String(body.name),
      start: String(body.start),
      end: String(body.end),
      invitees,
      password: body.password ? String(body.password) : undefined,
      description: body.description ? String(body.description) : undefined,
    });

    logger.info("VNCtalk meeting created", {
      meetingId: result.meetingId,
      ip: getClientIP(request),
    });

    return NextResponse.json(result, { status: 201 });
  } catch (error) {
    const message = error instanceof Error ? error.message : "Unknown error";
    logger.error("VNCtalk meeting creation failed", { error: message });

    if (message.includes("not configured")) {
      return NextResponse.json({ error: message }, { status: 503 });
    }

    return NextResponse.json({ error: message }, { status: 500 });
  }
}