<?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    subtotaltitle/class/DocumentTypeHelper.class.php
 * \ingroup subtotaltitle
 * \brief   Helper class für verschiedene Dokumenttypen (Rechnung, Angebot, Auftrag)
 */

/**
 * Class DocumentTypeHelper
 * Hilfsklasse um mit verschiedenen Dokumenttypen zu arbeiten
 */
class DocumentTypeHelper
{
	/**
	 * Erkennt den Dokumenttyp aus dem Context
	 *
	 * @param string $context Hook-Context (z.B. 'invoicecard', 'propalcard', 'ordercard')
	 * @return string|null Dokumenttyp ('invoice', 'propal', 'order') oder null
	 */
	public static function getTypeFromContext($context)
	{
		if (strpos($context, 'invoicecard') !== false) {
			return 'invoice';
		}
		if (strpos($context, 'propalcard') !== false) {
			return 'propal';
		}
		if (strpos($context, 'ordercard') !== false) {
			return 'order';
		}
		return null;
	}

	/**
	 * Holt den Dokumenttyp aus dem Object
	 *
	 * @param object $object Dolibarr Objekt
	 * @return string|null Dokumenttyp ('invoice', 'propal', 'order') oder null
	 */
	public static function getTypeFromObject($object)
	{
		if (!is_object($object) || !isset($object->element)) {
			return null;
		}

		if ($object->element == 'facture') {
			return 'invoice';
		}
		if ($object->element == 'propal') {
			return 'propal';
		}
		if ($object->element == 'commande') {
			return 'order';
		}
		return null;
	}

	/**
	 * Holt die Tabellennamen für einen Dokumenttyp
	 *
	 * @param string $type Dokumenttyp ('invoice', 'propal', 'order')
	 * @return array Array mit Tabellennamen (parent_table, lines_table, fk_parent, fk_line)
	 */
	public static function getTableNames($type)
	{
		$tables = array(
			'invoice' => array(
				'parent_table' => 'facture',
				'lines_table' => 'facturedet',
				'fk_parent' => 'fk_facture',
				'fk_line' => 'fk_facturedet',
				'element' => 'facture'
			),
			'propal' => array(
				'parent_table' => 'propal',
				'lines_table' => 'propaldet',
				'fk_parent' => 'fk_propal',
				'fk_line' => 'fk_propaldet',
				'element' => 'propal'
			),
			'order' => array(
				'parent_table' => 'commande',
				'lines_table' => 'commandedet',
				'fk_parent' => 'fk_commande',
				'fk_line' => 'fk_commandedet',
				'element' => 'commande'
			)
		);

		return isset($tables[$type]) ? $tables[$type] : null;
	}

	/**
	 * Holt die Hook-Contexts für einen Dokumenttyp
	 *
	 * @param string $type Dokumenttyp ('invoice', 'propal', 'order')
	 * @return string Hook-Context
	 */
	public static function getContext($type)
	{
		$contexts = array(
			'invoice' => 'invoicecard',
			'propal' => 'propalcard',
			'order' => 'ordercard'
		);

		return isset($contexts[$type]) ? $contexts[$type] : '';
	}
}