<?php
/* Copyright (C) 2003-2004 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2007 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2004      Eric Seigne          <eric.seigne@ryxeo.com>
 * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@capnetworks.com>
 * Copyright (C) 2006      Andre Cianfarani     <acianfa@free.fr>
 * Copyright (C) 2011      Juanjo Menent	    <jmenent@2byte.es>
 * Copyright (C) 2013      Philippe Grand	    <philippe.grand@atoo-net.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 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/>.
 * or see http://www.gnu.org/
 */

/**
 *  \file       htdocs/core/modules/contract/modules_contract.php
 *  \ingroup    contract
 *  \brief      File with parent class for generating contracts to PDF and File of class to manage contract numbering
 */

 require_once DOL_DOCUMENT_ROOT.'/core/class/commondocgenerator.class.php';


/**
 *	Parent class to manage intervention document templates
 */
abstract class ModelePDFContract extends CommonDocGenerator
{
	var $error='';


	/**
	 *	Return list of active generation modules
	 *
     *  @param	DoliDB	$db     			Database handler
     *  @param  string	$maxfilenamelength  Max length of value to show
     *  @return	array						List of templates
	 */
	static function liste_modeles($db,$maxfilenamelength=0)
	{
		global $conf;

		$type='contract';
		$liste=array();

		include_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
		$liste=getListOfModels($db,$type,$maxfilenamelength);

		return $liste;
	}
}


/**
 * Parent class for all contract numbering modules
 */
class ModelNumRefContracts
{
	var $error='';

	/**
	 *	Return if a module can be used or not
	 *
	 * 	@return		boolean     true if module can be used
	 */
	function isEnabled()
	{
		return true;
	}

	/**
	 *	Return default description of numbering model
	 *
	 *	@return     string      text description
	 */
	function info()
	{
		global $langs;
		$langs->load("contracts");
		return $langs->trans("NoDescription");
	}

	/**
	 *	Return numbering example
	 *
	 *	@return     string      Example
	 */
	function getExample()
	{
		global $langs;
		$langs->load("contracts");
		return $langs->trans("NoExample");
	}

	/**
	 *	Test if existing numbers make problems with numbering
	 *
	 *	@return		boolean		false if conflict, true if ok
	 */
	function canBeActivated()
	{
		return true;
	}

	/**
	 *	Return next value
	 *
	 *	@param	Societe		$objsoc     third party object
	 *	@param	Object		$contract	contract object
	 *	@return	string					Value
	 */
	function getNextValue($objsoc, $contract)
	{
		global $langs;
		return $langs->trans("NotAvailable");
	}

	/**
	 *	Return numbering version module
	 *
	 *	@return     string      Value
	 */
	function getVersion()
	{
		global $langs;
		$langs->load("admin");

		if ($this->version == 'development') return $langs->trans("VersionDevelopment");
		if ($this->version == 'experimental') return $langs->trans("VersionExperimental");
		if ($this->version == 'dolibarr') return DOL_VERSION;
		if ($this->version) return $this->version;
		return $langs->trans("NotAvailable");
	}
}

/**
 *  Create a contract document on disk using template defined into CONTRACT_ADDON_PDF
 *
 *  @param	DoliDB		$db  			objet base de donnee
 *  @param	Object		$object			Object contract
 *  @param	string		$modele			force le modele a utiliser ('' par defaut)
 *  @param	Translate	$outputlangs	objet lang a utiliser pour traduction
 *  @param  int			$hidedetails    Hide details of lines
 *  @param  int			$hidedesc       Hide description
 *  @param  int			$hideref        Hide ref
 *  @return int         				0 if KO, 1 if OK
 */
function contract_pdf_create($db, $object, $modele, $outputlangs, $hidedetails=0, $hidedesc=0, $hideref=0)
{
	global $conf,$langs,$user,$hookmanager;
	$langs->load("contracts");

	$error=0;

	$srctemplatepath='';

	// Positionne modele sur le nom du modele de contrat a utiliser
	if (! dol_strlen($modele))
	{
		if (! empty($conf->global->CONTRACT_ADDON_PDF))
		{
			$modele = $conf->global->CONTRACT_ADDON_PDF;
		}
		else
		{
			$modele = 'strato';
		}
	}

	// If selected modele is a filename template (then $modele="modelname:filename")
	$tmp=explode(':',$modele,2);
    if (! empty($tmp[1]))
    {
        $modele=$tmp[0];
        $srctemplatepath=$tmp[1];
    }

	// Search template files
	$file=''; $classname=''; $filefound=0;
	$dirmodels=array('/');
	if (is_array($conf->modules_parts['models'])) $dirmodels=array_merge($dirmodels,$conf->modules_parts['models']);
	foreach($dirmodels as $reldir)
	{
    	foreach(array('doc','pdf') as $prefix)
    	{
    	    $file = $prefix."_".$modele.".modules.php";

    		// On verifie l'emplacement du modele
	        $file=dol_buildpath($reldir."core/modules/contract/doc/".$file,0);
    		if (file_exists($file))
    		{
    			$filefound=1;
    			$classname=$prefix.'_'.$modele;
    			break;
    		}
    	}
    	if ($filefound) break;
    }

	// Charge le modele
	if ($filefound)
	{
		require_once $file;

		$obj = new $classname($db);

		// We save charset_output to restore it because write_file can change it if needed for
		// output format that does not support UTF8.
		$sav_charset_output=$outputlangs->charset_output;
		if ($obj->write_file($object, $outputlangs, $srctemplatepath, $hidedetails, $hidedesc, $hideref) > 0)
		{
			$outputlangs->charset_output=$sav_charset_output;

			// We delete old preview
			require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
			dol_delete_preview($object);

			// Success in building document. We build meta file.
			dol_meta_create($object);

			return 1;
		}
		else
		{
			$outputlangs->charset_output=$sav_charset_output;
			dol_print_error($db,"contract_pdf_create Error: ".$obj->error);
			return 0;
		}
	}
	else
	{
		print $langs->trans("Error")." ".$langs->trans("ErrorFileDoesNotExists",$file);
		return 0;
	}
}