/*
 * Copyright (C) 2015 Christian Meffert <christian.meffert@googlemail.com>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>

#include "logger.h"
#include "db.h"
#include "misc.h"
#include "smartpl_query.h"


void
scan_smartpl(const char *file, time_t mtime, int dir_id)
{
  struct smartpl smartpl;
  struct playlist_info *pli;
  int pl_id;
  char virtual_path[PATH_MAX];
  char *ptr;
  int ret;

  /* Fetch or create playlist */
  pli = db_pl_fetch_bypath(file);
  if (!pli)
    {
      pli = calloc(1, sizeof(struct playlist_info));
      if (!pli)
	{
	  DPRINTF(E_LOG, L_SCAN, "Out of memory\n");
	  return;
	}

      pli->path = strdup(file);
      snprintf(virtual_path, PATH_MAX, "/file:%s", file);
      ptr = strrchr(virtual_path, '.');
      if (ptr)
	*ptr = '\0';
      pli->virtual_path = strdup(virtual_path);
      pli->type = PL_SMART;
    }

  pli->directory_id = dir_id;

  memset(&smartpl, 0, sizeof(struct smartpl));
  ret = smartpl_query_parse_file(&smartpl, file);
  if (ret < 0)
    {
      DPRINTF(E_LOG, L_SCAN, "Error parsing smart playlist '%s'\n", file);

      free_pli(pli, 0);
      free_smartpl(&smartpl, 1);
      return;
    }

  free(pli->title);
  pli->title = strdup(smartpl.title);

  free(pli->query);
  pli->query = strdup(smartpl.query_where);

  free(pli->query_order);
  pli->query_order = safe_strdup(smartpl.order);

  pli->query_limit = smartpl.limit;

  free_smartpl(&smartpl, 1);

  if (pli->id)
    {
      pl_id = pli->id;
      ret = db_pl_update(pli);
    }
  else
    {
      ret = db_pl_add(pli, &pl_id);
    }
  if (ret < 0)
    {
      DPRINTF(E_LOG, L_SCAN, "Error adding smart playlist '%s'\n", file);

      free_pli(pli, 0);
      return;
    }

  DPRINTF(E_INFO, L_SCAN, "Added or updated smart playlist as id %d\n", pl_id);

  free_pli(pli, 0);

  DPRINTF(E_INFO, L_SCAN, "Done processing smart playlist\n");
}