<?php
/* Copyright (C) 2005-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2005-2012 Regis Houssin        <regis.houssin@inodbox.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 <https://www.gnu.org/licenses/>.
 * or see https://www.gnu.org/
 */

/**
 *    	\file       htdocs/core/modules/propale/mod_propale_marbre.php
 *		\ingroup    propale
 *		\brief      File of class to manage commercial proposal numbering rules Marbre
 */

require_once DOL_DOCUMENT_ROOT.'/core/modules/propale/modules_propale.php';


/**
 *	Class to manage business proposition rules Marbre
 */
class mod_propale_marbre extends ModeleNumRefPropales
{
	/**
	 * Dolibarr version of the loaded document
	 * @var string
	 */
	public $version = 'dolibarr'; // 'development', 'experimental', 'dolibarr'

	public $prefix = 'PR';

	/**
	 * @var string Error code (or message)
	 */
	public $error = '';

	/**
	 * @var string Nom du modele
	 * @deprecated
	 * @see $name
	 */
	public $nom = 'Marbre';

	/**
	 * @var string model name
	 */
	public $name = 'Marbre';


	/**
	 *  Return description of numbering module
	 *
	 *  @return     string      Text with description
	 */
	public function info()
	{
		global $langs;
		return $langs->trans("SimpleNumRefModelDesc", $this->prefix);
	}


	/**
	 *  Return an example of numbering module values
	 *
	 *  @return     string      Example
	 */
	public function getExample()
	{
		return $this->prefix."0501-0001";
	}


	/**
	 *  Checks if the numbers already in the database do not
	 *  cause conflicts that would prevent this numbering working.
	 *
	 *  @return     boolean     false if conflict, true if ok
	 */
	public function canBeActivated()
	{
		global $conf, $langs, $db;

		$pryymm = '';
		$max = '';

		$posindice = strlen($this->prefix) + 6;
		$sql = "SELECT MAX(CAST(SUBSTRING(ref FROM ".$posindice.") AS SIGNED)) as max";
		$sql .= " FROM ".MAIN_DB_PREFIX."propal";
		$sql .= " WHERE ref LIKE '".$db->escape($this->prefix)."____-%'";
		$sql .= " AND entity = ".$conf->entity;

		$resql = $db->query($sql);
		if ($resql) {
			$row = $db->fetch_row($resql);
			if ($row) {
				$pryymm = substr($row[0], 0, 6);
				$max = $row[0];
			}
		}

		if (!$pryymm || preg_match('/'.$this->prefix.'[0-9][0-9][0-9][0-9]/i', $pryymm)) {
			return true;
		} else {
			$langs->load("errors");
			$this->error = $langs->trans('ErrorNumRefModel', $max);
			return false;
		}
	}

	/**
	 *  Return next value
	 *
	 *  @param	Societe		$objsoc     Object third party
	 * 	@param	Propal		$propal		Object commercial proposal
	 *  @return string      			Next value
	 */
	public function getNextValue($objsoc, $propal)
	{
		global $db, $conf;

		// First, we get the max value
		$posindice = strlen($this->prefix) + 6;
		$sql = "SELECT MAX(CAST(SUBSTRING(ref FROM ".$posindice.") AS SIGNED)) as max"; // This is standard SQL
		$sql .= " FROM ".MAIN_DB_PREFIX."propal";
		$sql .= " WHERE ref LIKE '".$db->escape($this->prefix)."____-%'";
		$sql .= " AND entity IN (".getEntity('proposalnumber', 1, $propal).")";

		$resql = $db->query($sql);
		if ($resql) {
			$obj = $db->fetch_object($resql);
			if ($obj) {
				$max = intval($obj->max);
			} else {
				$max = 0;
			}
		} else {
			dol_syslog(get_class($this)."::getNextValue", LOG_DEBUG);
			return -1;
		}

		$date = time();
		$yymm = strftime("%y%m", $date);

		if ($max >= (pow(10, 4) - 1)) {
			$num = $max + 1; // If counter > 9999, we do not format on 4 chars, we take number as it is
		} else {
			$num = sprintf("%04s", $max + 1);
		}

		dol_syslog(get_class($this)."::getNextValue return ".$this->prefix.$yymm."-".$num);
		return $this->prefix.$yymm."-".$num;
	}

	/**
	 *  Return next free value
	 *
	 *  @param	Societe		$objsoc      	Object third party
	 * 	@param	Object		$objforref		Object for number to search
	 *  @return string      				Next free value
	 */
	public function getNumRef($objsoc, $objforref)
	{
		return $this->getNextValue($objsoc, $objforref);
	}
}
