<?PHP
/* Copyright (C) 2006 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2007 Laurent Destailleur  <eldy@users.sourceforge.net>
 *
 * 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.
 *
 * $Id$
 * $Source$
 */

/**
        \file       scripts/cron/product-graph.php
        \ingroup    product
        \brief      Crée les graphiques pour les produits
*/
 
// Test si mode CLI
$sapi_type = php_sapi_name();
$script_file=__FILE__; 
if (eregi('([^\\\/]+)$',$script_file,$reg)) $script_file=$reg[1];

if (substr($sapi_type, 0, 3) == 'cgi') {
    echo "Erreur: Vous utilisez l'interpreteur PHP pour le mode CGI. Pour executer $script_file en ligne de commande, vous devez utiliser l'interpreteur PHP pour le mode CLI.\n";
    exit;
}
 
// Recupere env dolibarr
$version='$Revision$';
$path=eregi_replace($script_file,'',$_SERVER["PHP_SELF"]);

require_once($path."../../htdocs/master.inc.php");
require_once (DOL_DOCUMENT_ROOT."/dolgraph.class.php");


$error=0;
$verbose = 0;

for ($i = 1 ; $i < sizeof($argv) ; $i++)
{
  if ($argv[$i] == "-v")
    {
      $verbose = 1;
    }
  if ($argv[$i] == "-vv")
    {
      $verbose = 2;
    }
  if ($argv[$i] == "-vvv")
    {
      $verbose = 3;
    }
}

$now = time();
$year = strftime('%Y',$now);

/*
 *
 */
$dir = DOL_DATA_ROOT."/graph/product";
if (!is_dir($dir) )
{
  if (! create_exdir($dir,0755))
    {
      die ("Can't create $dir\n");
    }
}
/*
 *
 */
$sql  = "SELECT distinct(fk_product)";
$sql .= " FROM ".MAIN_DB_PREFIX."facturedet";

$resql = $db->query($sql) ;
$products = array();
if ($resql)
{
  while ($row = $db->fetch_row($resql))
    {
      $fdir = $dir.'/'.get_exdir($row[0],3);

      if ($verbose)
	print $fdir."\n";
      create_exdir($fdir);

      $products[$row[0]] = $fdir;
    }
  $db->free($resql);
}
else
{
  print $sql;
}
/*
 *
 */
foreach ( $products as $id => $fdir)
{
  $num = array();
  $ca = array();
  $legends = array(); 

  for ($i = 0 ; $i < 12 ; $i++)
    {
      $legends[$i] = strftime('%b',mktime(1,1,1,($i+1),1, $year) );
      $num[$i]  = 0;
      $ca[$i]  = 0;
    }
  
  $sql  = "SELECT date_format(f.datef,'%b'), sum(fd.qty), sum(fd.total_ht), date_format(f.datef,'%m')";
  $sql .= " FROM ".MAIN_DB_PREFIX."facture as f,".MAIN_DB_PREFIX."facturedet as fd";
  $sql .= " WHERE f.rowid = fd.fk_facture AND date_format(f.datef,'%Y')='".$year."'";
  $sql .= " AND fd.fk_product ='".$id."'";
  $sql .= " GROUP BY date_format(f.datef,'%b')";
  $sql .= " ORDER BY date_format(f.datef,'%m') ASC ;";

  $resql = $db->query($sql) ;
  
  if ($resql)
    {
      $i = 0;
      while ($row = $db->fetch_row($resql))
	{
	  $legends[($row[3] - 1)] = $row[0];
	  $num[($row[3] - 1)]  = $row[1];
	  $ca[($row[3] - 1)]  = $row[2];	  
	  $i++;
	}
      $db->free($resql);
    }
  else
    {
      print $sql;
    }

  if ($i > 0)
    {
      $graph = new DolGraph();
    
      $file = $fdir ."ventes-".$year."-".$id.".png";
      $title = "Ventes";
      
      $graph->SetTitle($title);
      $graph->BarLineOneYearArtichow($file, $ca, $num, $legends);

      if ($verbose)
	print "$file\n";
    }
}
/*
 * Ventes annuelles
 *
 */
foreach ( $products as $id => $fdir)
{
  $num = array();
  $ca = array();
  $legends = array(); 
  $sql  = "SELECT date_format(f.datef,'%Y'), sum(fd.qty), sum(fd.total_ht)";
  $sql .= " FROM ".MAIN_DB_PREFIX."facture as f,".MAIN_DB_PREFIX."facturedet as fd";
  $sql .= " WHERE f.rowid = fd.fk_facture";
  $sql .= " AND fd.fk_product ='".$id."'";
  $sql .= " GROUP BY date_format(f.datef,'%Y')";
  $sql .= " ORDER BY date_format(f.datef,'%Y') ASC ;";

  $resql = $db->query($sql) ;
  
  if ($resql)
    {
      $i = 0;
      while ($row = $db->fetch_row($resql))
	{
	  $legends[$i] = $row[0];
	  $num[$i]  = $row[1];
	  $ca[$i]  = $row[2];
	  
	  $i++;
	}
      $db->free($resql);
    }
  else
    {
      print $sql;
    }

  if ($i > 0)
    {
      $graph = new DolGraph();
  
      $file = $fdir ."ventes-".$id.".png";
      $title = "Ventes";
      
      $graph->SetTitle($title);
      $graph->BarLineAnnualArtichow($file, $ca, $num, $legends);
      
      if ($verbose)
	print "$file\n";
    }
}


?>