/* notmuch - Not much of an email program, (just index and search)
 *
 * Copyright © 2010 Ali Polatel
 *
 * 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 3 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, see http://www.gnu.org/licenses/ .
 *
 * Author: Ali Polatel <alip@exherbo.org>
 */

#include "notmuch-client.h"

static void
do_search_files (notmuch_query_t *query)
{
    notmuch_message_t *message;
    notmuch_messages_t *messages;

    for (messages = notmuch_query_search_messages (query);
	 notmuch_messages_has_more (messages);
	 notmuch_messages_advance (messages))
    {
	message = notmuch_messages_get (messages);
	printf ("%s\n", notmuch_message_get_filename (message));
	notmuch_message_destroy(message);
    }
}

int
notmuch_search_files_command (void *ctx, int argc, char *argv[])
{
    notmuch_config_t *config;
    notmuch_database_t *notmuch;
    notmuch_query_t *query;
    char *query_str;
    char *opt;
    notmuch_sort_t sort = NOTMUCH_SORT_NEWEST_FIRST;
    int i;

    for (i = 0; i < argc && argv[i][0] == '-'; i++) {
	if (strcmp (argv[i], "--") == 0) {
	    i++;
	    break;
	}
        if (STRNCMP_LITERAL (argv[i], "--sort=") == 0) {
	    opt = argv[i] + sizeof ("--sort=") - 1;
	    if (strcmp (opt, "oldest-first") == 0) {
		sort = NOTMUCH_SORT_OLDEST_FIRST;
	    } else if (strcmp (opt, "newest-first") == 0) {
		sort = NOTMUCH_SORT_NEWEST_FIRST;
	    } else {
		fprintf (stderr, "Invalid value for --sort: %s\n", opt);
		return 1;
	    }
	} else {
	    fprintf (stderr, "Unrecognized option: %s\n", argv[i]);
	    return 1;
	}
    }

    argc -= i;
    argv += i;

    config = notmuch_config_open (ctx, NULL, NULL);
    if (config == NULL)
	return 1;

    notmuch = notmuch_database_open (notmuch_config_get_database_path (config),
				     NOTMUCH_DATABASE_MODE_READ_ONLY);
    if (notmuch == NULL)
	return 1;

    query_str = query_string_from_args (ctx, argc, argv);
    if (query_str == NULL) {
	fprintf (stderr, "Out of memory.\n");
	return 1;
    }
    if (*query_str == '\0') {
	fprintf (stderr, "Error: notmuch search-files requires"
			 " at least one search term.\n");
	return 1;
    }

    query = notmuch_query_create (notmuch, query_str);
    if (query == NULL) {
	fprintf (stderr, "Out of memory\n");
	return 1;
    }

    notmuch_query_set_sort (query, sort);

    do_search_files (query);

    notmuch_config_close (config);
    notmuch_query_destroy (query);
    notmuch_database_close (notmuch);

    return 0;
}