/*
 * Copyright (c) 2010-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swiften/LinkLocal/DNSSD/Avahi/AvahiBrowseQuery.h>

#include <iostream>

#include <boost/bind.hpp>

#include <Swiften/LinkLocal/DNSSD/Avahi/AvahiQuerier.h>

namespace Swift {

void AvahiBrowseQuery::startBrowsing() {
    std::cout << "Start browsing" << std::endl;
    assert(!browser);
    avahi_threaded_poll_lock(querier->getThreadedPoll());
    browser = avahi_service_browser_new(querier->getClient(), AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_presence._tcp", NULL, static_cast<AvahiLookupFlags>(0), &handleServiceDiscoveredStatic, this);
    if (!browser) {
        std::cout << "Error" << std::endl;
        eventLoop->postEvent(boost::bind(boost::ref(onError)), shared_from_this());
    }
    avahi_threaded_poll_unlock(querier->getThreadedPoll());
}

void AvahiBrowseQuery::stopBrowsing() {
    std::cout << "Stop browsing" << std::endl;
    avahi_threaded_poll_lock(querier->getThreadedPoll());
    avahi_service_browser_free(browser);
    browser = NULL;
    avahi_threaded_poll_unlock(querier->getThreadedPoll());
}

void AvahiBrowseQuery::handleServiceDiscovered(AvahiServiceBrowser *, AvahiIfIndex interfaceIndex, AvahiProtocol, AvahiBrowserEvent event, const char *name, const char *type, const char *domain, AvahiLookupResultFlags) {
    switch (event) {
        case AVAHI_BROWSER_FAILURE:
            std::cout << "Service browse error" << std::endl;
            eventLoop->postEvent(boost::bind(boost::ref(onError)), shared_from_this());
            break;
        case AVAHI_BROWSER_NEW: {
            DNSSDServiceID service(name, domain, type, interfaceIndex);
            std::cout << "Service discovered " << name << " " << domain << " " << type << " " << interfaceIndex << std::endl;
            eventLoop->postEvent(boost::bind(boost::ref(onServiceAdded), service), shared_from_this());
            break;
        }
        case AVAHI_BROWSER_REMOVE: {
            std::cout << "Service went away " << name << " " << domain << " " << type << " " << interfaceIndex << std::endl;
            DNSSDServiceID service(name, domain, type, interfaceIndex);
            eventLoop->postEvent(boost::bind(boost::ref(onServiceRemoved), service), shared_from_this());
            break;
        }
        case AVAHI_BROWSER_ALL_FOR_NOW:
        case AVAHI_BROWSER_CACHE_EXHAUSTED:
            break;
    }
}

}