<?php
/* Copyright (C) 2026 Eduard Wisch <data@data-it-solution.de>
 *
 * 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/>.
 */

/**
 * \file    stockkonversion/core/modules/modStockKonversion.class.php
 * \ingroup stockkonversion
 * \brief   Modul-Descriptor für StockKonversion
 *
 * Umrechnungsfaktor zwischen Einkaufs- und Verkaufseinheit.
 * Beispiel: 1 Packung (EK) = 12 Stück (Lager/VK)
 */

include_once DOL_DOCUMENT_ROOT.'/core/modules/DolibarrModules.class.php';

class modStockKonversion extends DolibarrModules
{
	public function __construct($db)
	{
		global $conf, $langs;

		$this->db = $db;

		$this->numero = 500035;
		$this->rights_class = 'stockkonversion';
		$this->family = 'products';
		$this->module_position = '90';
		$this->name = preg_replace('/^mod/i', '', get_class($this));
		$this->description = "StockKonversionDescription";
		$this->descriptionlong = "StockKonversionDescriptionLong";

		$this->editor_name = 'Alles Watt laeuft';
		$this->editor_url = '';

		$this->version = '1.0.0';
		$this->const_name = 'MAIN_MODULE_'.strtoupper($this->name);
		$this->picto = 'stockkonversion@stockkonversion';

		// Hook auf Lagerbewegung registrieren
		$this->module_parts = array(
			'hooks' => array(
				'data' => array(
					'mouvementstock',
				),
			),
		);

		$this->dirs = array();
		$this->config_page_url = array("setup.php@stockkonversion");

		// Abhängigkeit: Lagermodul muss aktiv sein
		$this->depends = array('modStock');
		$this->requiredby = array();
		$this->conflictwith = array();

		$this->langfiles = array("stockkonversion@stockkonversion");

		$this->phpmin = array(7, 1);
		$this->need_dolibarr_version = array(19, -3);
		$this->need_javascript_ajax = 0;

		$this->warnings_activation = array();
		$this->warnings_activation_ext = array();

		$this->const = array();

		if (!isModEnabled("stockkonversion")) {
			$conf->stockkonversion = new stdClass();
			$conf->stockkonversion->enabled = 0;
		}

		$this->tabs = array();

		// Keine Menüs — Zugang nur über Admin-Einstellungen
		$this->menu = array();

		// Recht: Lesen (wird im Hook geprüft)
		$this->rights = array();
		$r = 0;
		$this->rights[$r][0] = $this->numero . sprintf("%02d", 11);
		$this->rights[$r][1] = 'Stockkonversion lesen und verwenden';
		$this->rights[$r][4] = 'read';
		$this->rights[$r][5] = '';
		$r++;
	}

	/**
	 * Modul aktivieren: Extrafeld anlegen
	 */
	public function init($options = '')
	{
		global $conf, $langs;

		// Extrafeld "umrechnungsfaktor" auf Produkt anlegen
		include_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
		$extrafields = new ExtraFields($this->db);

		// addExtraField ist idempotent — existiert das Feld bereits, wird es nicht doppelt angelegt
		$result = $extrafields->addExtraField(
			'umrechnungsfaktor',                          // attrname
			'Umrechnungsfaktor (EK->Lager)',              // label
			'int',                                        // type
			100,                                          // pos
			10,                                           // size
			'product',                                    // elementtype
			0,                                            // unique
			0,                                            // required
			'1',                                          // default value
			'',                                           // param
			1,                                            // alwayseditable
			'',                                           // perms
			0,                                            // list (0 = nicht in Listen anzeigen)
			0,                                            // fieldcheck
			'',                                           // computed
			'',                                           // entity
			'stockkonversion@stockkonversion',            // langfile
			'isModEnabled("stockkonversion")',             // enabled
			0,                                            // totalizable
			0,                                            // printable
			'',                                           // moreparams
			''                                            // help
		);

		if ($result < 0) {
			dol_syslog("StockKonversion: Fehler beim Anlegen des Extrafeldes: ".$extrafields->error, LOG_ERR);
		}

		$this->remove($options);

		$sql = array();
		return $this->_init($sql, $options);
	}

	/**
	 * Modul deaktivieren
	 * Extrafeld wird NICHT gelöscht (Daten erhalten)
	 */
	public function remove($options = '')
	{
		$sql = array();
		return $this->_remove($sql, $options);
	}
}