/*
 * Copyright (C) 2009, 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.
 *
 * Authors: Philip Van Hoof <philip@codeminded.be>
 */

#include <time.h>
#include <string.h>

#include <glib-object.h>

#include <libtracker-common/tracker-date-time.h>
#include <libtracker-extract/tracker-utils.h>

#include <tracker-test-helpers.h>

static void
test_guess_date (void)
{
	gchar *result;

	result = tracker_date_guess ("");
	g_assert (result == NULL);

	result = tracker_date_guess ("2008-06-14");
	g_assert (tracker_test_helpers_cmpstr_equal (result, "2008-06-14T00:00:00"));
	g_free (result);

	result = tracker_date_guess ("20080614000000");
	g_assert (tracker_test_helpers_cmpstr_equal (result, "2008-06-14T00:00:00"));
	g_free (result);

	result = tracker_date_guess ("20080614000000Z");
	g_assert (tracker_test_helpers_cmpstr_equal (result, "2008-06-14T00:00:00Z"));
	g_free (result);

	result = tracker_date_guess ("Mon Jun 14 04:20:20 2008"); /* MS Office */
	g_assert (tracker_test_helpers_cmpstr_equal (result, "2008-06-14T04:20:20"));
	g_free (result);

	result = tracker_date_guess ("2008:06:14 04:20:20"); /* Exif style */
	g_assert (tracker_test_helpers_cmpstr_equal (result, "2008-06-14T04:20:20"));
	g_free (result);

        result = tracker_date_guess ("2010");
        g_assert (tracker_test_helpers_cmpstr_equal (result, "2010-01-01T00:00:00Z"));
        g_free (result);

        result = tracker_date_guess ("A2010");
        g_assert (!result);

        /* Guessing from the code */
        result = tracker_date_guess ("20100318010203-00:03Z");
        g_assert (tracker_test_helpers_cmpstr_equal (result, "2010-03-18T01:02:03-00:03"));
        g_free (result);

        result = tracker_date_guess ("20100318010203+00:03Z");
        g_assert (tracker_test_helpers_cmpstr_equal (result, "2010-03-18T01:02:03+00:03"));
        g_free (result);

        /* "YYYY-MM-DDThh:mm:ss.ff+zz:zz" */
        result = tracker_date_guess ("2010-03-18T01:02:03.10-00:03");
        g_assert (tracker_test_helpers_cmpstr_equal (result, "2010-03-18T01:02:03-00:03"));
        g_free (result);


	if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR)) {
		result = tracker_date_guess (NULL);
	}

	g_test_trap_assert_failed ();
}

static void
test_text_normalize ()
{
        gint i, n_words;
        gchar *result;
        struct {
                gchar *input_text;
                gchar *expected_output;
                gint   n_words;
        } TEST_BATTERY [] = {
                { "this is the basic test", "this is the basic test", 5 },
                { "         ", "", 0},
                { "    A", "A", 1},
                { "A   ", "A ", 1},
                { "some.other:word-breaker/s", "some other word breaker s", 5},
                { "or \"other\" symbols", "or other symbols", 3},
                { "http://www.google.com", "http www google com", 4},
                { NULL, NULL, 0 }
        };
        
        for (i = 0; TEST_BATTERY[i].input_text != NULL; i++) {
                result = tracker_text_normalize (TEST_BATTERY[i].input_text, 10, &n_words);

                g_assert_cmpstr (result, ==, TEST_BATTERY[i].expected_output);
                g_assert_cmpint (n_words, ==, TEST_BATTERY[i].n_words);
                g_free (result);
        }
}

static void
test_date_to_iso8601 ()
{
        /* Not much to test here because it uses strptime/strftime */
        gchar *result;

        result = tracker_date_format_to_iso8601 ("2010:03:13 12:12:12", "%Y:%m:%d %H:%M:%S");
        g_assert (g_str_has_prefix (result, "2010-03-13T12:12:12"));
        g_assert_cmpint (strlen (result), <=, 25);

        /* Pattern and string don't match */
        result = tracker_date_format_to_iso8601 ("2010:03:13 12:12", "%Y:%m:%d %H:%M:%S");
        g_assert (result == NULL);
}

int
main (int argc, char **argv)
{
	gint result;

	g_type_init ();
	g_test_init (&argc, &argv, NULL);

	g_test_add_func ("/libtracker-extract/tracker-utils/guess_date",
	                 test_guess_date);

        g_test_add_func ("/libtracker-extract/tracker-utils/text-normalize",
                         test_text_normalize);

        g_test_add_func ("/libtracker-extract/tracker-utils/date_to_iso8601",
                         test_date_to_iso8601);

	result = g_test_run ();

	return result;
}
