#include "servers.h"
#include "conf.h"

#include <gio/gio.h>

GSList *servers = NULL;

gboolean server_sync(struct server *server) {
	GError *error = NULL;
	GSocketConnectable *addr;
	GSocketAddressEnumerator *enumerator;
	GSocketAddress *sockaddr;
	GSocketConnection *conn = NULL;
	GSocketClient *client;
	GTimer *timer = g_timer_new();

	addr = g_network_address_new(server->host, server->port);
	enumerator = g_socket_connectable_enumerate(addr);
	g_object_unref(addr);

	client = g_socket_client_new();

	while(conn == NULL && (sockaddr = g_socket_address_enumerator_next(enumerator, NULL, &error))) {
		conn = g_socket_client_connect(client, (GSocketConnectable*)sockaddr, NULL, &error);
		g_object_unref(sockaddr);
	}

	if(conn == NULL) {
		g_warning(error->message);
		g_error_free(error);
		return FALSE;
	}

	GSocket *socket = g_socket_connection_get_socket(conn);

	g_debug("connected");

	g_socket_send(socket, "ping\n", 5, NULL, NULL);
	gchar buffer[0x400];
	g_socket_receive(socket, buffer, 0x400, NULL, NULL);
	if(buffer[4] == '\n') {
		buffer[4] = '\0';
		g_debug("got response: %s", buffer);
		g_debug("time: %f ms", g_timer_elapsed(timer, NULL) * 1000);
	}

	g_timer_destroy(timer);

	g_socket_close(socket, NULL);

	return TRUE;
}

gboolean server_add(const gchar *host, const guint16 port) {
	struct server *server = g_new0(struct server, 1);

	if(server == NULL) {
		g_warning("server_add: g_new0 returned NULL");
		return FALSE;
	}

	server->host = g_strdup(host);
	server->port = port;

	servers = g_slist_prepend(servers, server);

	return TRUE;
}

gboolean server_remove(struct server *server) {
	gint pos = g_slist_index(servers, server);

	if(pos == -1) {
		return FALSE;
	}

	servers = g_slist_remove(servers, server);

	return TRUE;
}

void servers_init() {
	gsize length;
	gchar **s = conf_get_string_list("audist", "servers", &length);
	for(int i = 0; i < length; i++) {
		server_add(s[i], 7681);
		g_debug("  server %d: %s", i, s[i]);
	}
}

void servers_free() {
	for(GSList *node = servers; node; node = g_slist_next(node)) {
		struct server *s = node->data;
		g_free(s->host);
	}
	g_slist_free(servers);
	servers = NULL;
}