#include <unistd.h>
#include <limits.h>

#include <glib.h>
#include <gio/gio.h>

#include "hostnamed.h"
#include "hostnamed-gen.c"

GPtrArray *hostnamed_freeable;
GDBusNodeInfo *spect_data;

static void on_bus_acquired(GDBusConnection *conn,
							const gchar *name,
							gpointer user_data) {

	GError *err;

	g_print("got bus, name: %s\n", name);	

}

static void on_name_acquired(GDBusConnection *conn,
							 const gchar *name,
							 gpointer user_data) {

	g_print("got name %s\n", name);
}

static void on_name_lost(GDBusConnection *conn,
						 const gchar *name,
						 gpointer user_data) {

	g_print("lost name %s, exiting...", name);

	hostnamed_mem_clean();

	//TODO exit through g_main_loop properly...
}

/* safe call to try and start hostnamed */
GError *hostnamed_init() {

	guint bus_descriptor;
	GError *err = NULL;
	gchar **hostnamed_ispect_xml;
	gchar  *hostnamed_joined_xml;

	hostnamed_freeable = g_ptr_array_new();
	hostnamed_ispect_xml = g_malloc(3000);

	g_file_get_contents("conf/hostnamed-ispect.xml", hostnamed_ispect_xml, NULL, NULL);
	hostnamed_joined_xml = g_strjoinv("\n", hostnamed_ispect_xml);
	spect_data = g_dbus_node_info_new_for_xml(hostnamed_joined_xml, NULL);

	g_free(hostnamed_ispect_xml);
	g_ptr_array_add(hostnamed_freeable, hostnamed_joined_xml);

	bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
	                                "org.freedesktop.hostname1",
				                    G_BUS_NAME_OWNER_FLAGS_NONE,
				                    on_bus_acquired,
				                    on_name_acquired,
				                    on_name_lost,
				                    NULL,
				                    NULL);

	//TODO: malloc and return reference as if a main() closed 
	return err;
}

/* free()'s */
void hostnamed_mem_clean() {

	g_ptr_array_foreach(hostnamed_freeable, (GFunc) g_free, NULL);
}

//TODO figure out DMI variables on obsd
/*static gchar *guess_icon_name() {

    gchar *filebuf = NULL;
    gchar *ret = NULL;

	//TODO vm check

	#if defined(__i386__) || defined(__x86_64__)
    
       Taken with a few minor changes from systemd's hostnamed.c,
       copyright 2011 Lennart Poettering.

       See the SMBIOS Specification 2.7.1 section 7.4.1 for
       details about the values listed here:

       http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf


    if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
        switch (g_ascii_strtoull (filebuf, NULL, 10)) {
        case 0x3:
        case 0x4:
        case 0x5:
        case 0x6:
        case 0x7:
            ret = g_strdup ("computer-desktop");
            goto out;
        case 0x9:
        case 0xA:
        case 0xE:
            ret = g_strdup ("computer-laptop");
            goto out;
        case 0x11:
        case 0x17:
        case 0x1C:
        case 0x1D:
            ret = g_strdup ("computer-server");
            goto out;
        }
    }
	#endif
    ret = g_strdup ("computer");
  out:
    g_free (filebuf);
    return ret;
}*/