/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2006, Mr Jamie McCracken (jamiemcc@gnome.org)
 * Copyright (C) 2008, Nokia
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <glib.h>

#include <libtracker-common/tracker-ontology.h>
#include <libtracker-common/tracker-os-dependant.h>
#include <libtracker-common/tracker-statement-list.h>

#include "tracker-main.h"
#include "tracker-xmp.h"

#define NMM_PREFIX TRACKER_NMM_PREFIX
#define NFO_PREFIX TRACKER_NFO_PREFIX
#define NIE_PREFIX TRACKER_NIE_PREFIX
#define DC_PREFIX TRACKER_DC_PREFIX
#define NCO_PREFIX TRACKER_NCO_PREFIX

#define RDF_PREFIX TRACKER_RDF_PREFIX
#define RDF_TYPE RDF_PREFIX "type"

static void extract_imagemagick (const gchar *uri, 
				 TrackerSparqlBuilder   *metadata);

static TrackerExtractData data[] = {
	{ "image/*", extract_imagemagick },
	{ NULL, NULL }
};

static void
extract_imagemagick (const gchar *uri, 
		     TrackerSparqlBuilder   *metadata)
{
	gchar *argv[6];
	gchar *identify;
	gchar **lines;
	gint  exit_status;
	gchar *filename;

	filename = g_filename_from_uri (uri, NULL, NULL);

	g_return_if_fail (filename != NULL);

	/* Imagemagick crashes trying to extract from xcf files */
	if (g_str_has_suffix (filename, ".xcf")) {
		g_free (filename);
		return;
	}

	argv[0] = g_strdup ("identify");
	argv[1] = g_strdup ("-format");
	argv[2] = g_strdup ("%w;\\n%h;\\n%c;\\n");

	if (g_str_has_suffix (filename, ".xcf")) {
		argv[3] = g_strdup (filename);
		argv[4] = NULL;
	} else {
		argv[3] = g_strdup ("-ping");
		argv[4] = g_strdup (filename);
	}

	argv[5] = NULL;

	if (tracker_spawn (argv, 10, &identify, &exit_status)) {
		if (exit_status == EXIT_SUCCESS) {


			tracker_statement_list_insert (metadata, uri, 
			                          RDF_TYPE, 
			                          NFO_PREFIX "Document");

			lines = g_strsplit (identify, ";\n", 4);

			tracker_statement_list_insert (metadata, uri,
						  NFO_PREFIX "width", 
						  lines[0]);

			tracker_statement_list_insert (metadata, uri,
						  NFO_PREFIX "height", 
						  lines[1]);

			tracker_statement_list_insert (metadata, uri,
						  NIE_PREFIX "comment", 
						  lines[2]);

			g_strfreev (lines);
		}
	}

#ifdef HAVE_EXEMPI
	/* FIXME: Convert is buggy atm so disable temporarily */
	g_free (filename); return;

	gchar *xmp;

	argv[0] = g_strdup ("convert");
	argv[1] = g_strdup (filename);
	argv[2] = g_strdup ("xmp:-");
	argv[3] = NULL;

	if (tracker_spawn (argv, 10, &xmp, &exit_status)) {
		if (exit_status == EXIT_SUCCESS && xmp) {
			TrackerXmpData xmp_data = { 0 };

			tracker_read_xmp (xmp, strlen (xmp), uri, &xmp_data);

			tracker_apply_xmp (metadata, uri, &xmp_data);
		}
	}
#endif /* HAVE_EXEMPI */

	g_free (filename);

}

TrackerExtractData *
tracker_get_extract_data (void)
{
	return data;
}