import { NextResponse } from "next/server";
import { requireSessionUser } from "@/lib/server/session";
import { requireActiveGroup } from "@/lib/server/groups";
import { listGroupMembers, listJoinRequests } from "@/lib/server/group-members";
import { toErrorResponse } from "@/lib/server/errors";
import { getRequestMeta } from "@/lib/server/request";

export async function GET() {
    const { requestId } = await getRequestMeta();
    try {
        const user = await requireSessionUser();
        const groupId = await requireActiveGroup(user.id);
        const members = await listGroupMembers(groupId);
        const requests = await listJoinRequests({ userId: user.id, groupId });
        return NextResponse.json({ requestId, members, requests, currentUserId: user.id });
    } catch (e) {
        const { status, body } = toErrorResponse(e, "GET /api/groups/members", requestId);
        return NextResponse.json(body, { status });
    }
}