#include <netdb.h>
#include <unistd.h>
#include <config.h>
#include <helpers.h>
#include "api_v1_devices.h"
using namespace api::v1;

void devices::post_discover(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback)
{
    LOG_DEBUG << "Discovering";
    auto resp = HttpResponse::newHttpResponse();

    int discovery_server_socket = helpers::bind_tcp_server("0.0.0.0", "0", config::discover_max_client_backlog);
    int discover_server_port = helpers::get_server_port(discovery_server_socket);

    if(discover_server_port == -1)
    {
        resp->setStatusCode(k500InternalServerError);
        callback(resp);
        return;
    }

    Json::Value payload;
    payload["port"] = discover_server_port;

    Json::StreamWriterBuilder wbuilder;

    helpers::send_udp_broadcast("255.255.255.255", config::discover_port_dev, Json::writeString(wbuilder, payload).c_str());

    close(discovery_server_socket);

    callback(resp);
}