<?php
/**
 * Translate phrase and do all language handling
 *
 * @category   DMS
 * @package    SeedDMS
 * @license    GPL 2
 * @version    @version@
 * @author     Uwe Steinmann <uwe@steinmann.cx>
 * @copyright  Copyright (C) 2025 Uwe Steinmann
 * @version    Release: @package_version@
 */

namespace Seeddms\Seeddms;

use SeedDMS_Core_AttributeDefinition;

/**
 * Class for translation and language handling
 *
 * @category   DMS
 * @package    SeedDMS
 * @author     Uwe Steinmann <uwe@steinmann.cx>
 * @copyright  Copyright (C) 2025 Uwe Steinmann
 * @version    Release: @package_version@
 */
class Translator { /* {{{ */

	protected $settings;

	protected $defaultlang;

	protected $lang;

	protected $missinglang;

	/**
	 * Constructor
	 *
	 * @param string $settings SeedDMS configuration
	 */
	function __construct($settings=null) { /* {{{ */
		$this->settings = $settings;
		$this->defaultlang = '';

		$this->lang = array();
		$this->missinglang = array();
	} /* }}} */

	function setDefaultLanguage($lang) { /* {{{ */
		$this->defaultlang = $lang;
	} /* }}} */

	public function init() { /* {{{ */
		$__languages = $this->settings->getLanguages();
		if(!in_array($this->settings->_language, $__languages))
			$__languages[] = $this->settings->_language;
		foreach($__languages as $_lang) {
			if(file_exists($this->settings->_rootDir . "languages/" . $_lang . "/lang.inc")) {
				include $this->settings->_rootDir . "languages/" . $_lang . "/lang.inc";
				$this->lang[$_lang] = $text;
			}
		}
	} /* }}} */

	function addPhrases($lang, &$data) { /* {{{ */
		if(isset($this->lang[$lang]))
			$this->lang[$lang] = array_merge($this->lang[$lang], $data);
		else
			$this->lang[$lang] = $data;
	} /* }}} */

	/**
	 * Get translation
	 *
	 * Returns the translation for a given key. It will replace markers
	 * in the form [xxx] with those elements from the array $replace.
	 * A default text can be gіven for the case, that there is no translation
	 * available. The fourth parameter can override the currently set language
	 * in the session or the default language from the configuration.
	 *
	 * @param string $key key of translation text
	 * @param array $replace list of values that replace markers in the text
	 * @param string $defaulttext text used if no translation can be found
	 * @param string $lang use this language instead of the currently set lang
	 */
	function translate($key, $replace = array(), $defaulttext = null, $lang="") { /* {{{ */
		$trantext = '';
		if(!$lang) {
			if($this->defaultlang)
				$lang = $this->defaultlang;
			else
				$lang = $this->settings->_language;
		}

		if(!isset($this->lang[$lang][$key]) || !$this->lang[$lang][$key]) {
			if ($defaulttext === null) {
				$this->missinglang[$key] = $lang; //$_SERVER['SCRIPT_NAME'];
				if(!empty($this->lang[$this->settings->_language][$key])) {
					$tmpText = $this->lang[$this->settings->_language][$key];
				} else {
					$tmpText = '**'.$key.'**';
				}
			} else
				$tmpText = $defaulttext;
		} else
			$tmpText = $this->lang[$lang][$key];

		if (count($replace) == 0)
			return $tmpText.$trantext;
		
		$keys = array_keys($replace);
		foreach ($keys as $key)
			$tmpText = str_replace("[".$key."]", $replace[$key], $tmpText);

		return $tmpText;
	} /* }}} */

	function print($key, $replace = array(), $defaulttext = null, $lang="") { /* {{{ */
		print $this->translate($key, $replace, $defaulttext, $lang);
	} /* }}} */

	function printReviewStatusText($status, $date=0) { /* {{{ */
		if (is_null($status)) {
			print $this->translate("status_unknown");
		}
		else {
			switch ($status) {
				case -2:
					print $this->translate("status_reviewer_removed");
					break;
				case -1:
					print $this->translate("status_reviewer_rejected").($date !=0 ? " ".$date : "");
					break;
				case 0:
					print $this->translate("status_not_reviewed");
					break;
				case 1:
					print $this->translate("status_reviewed").($date !=0 ? " ".$date : "");
					break;
				default:
					print $this->translate("status_unknown");
					break;
			}
		}
	} /* }}} */

	function getReviewStatusText($status, $date=0) { /* {{{ */
		if (is_null($status)) {
			return $this->translate("status_unknown");
		}
		else {
			switch ($status) {
				case -2:
					return $this->translate("status_reviewer_removed");
					break;
				case -1:
					return $this->translate("status_reviewer_rejected").($date !=0 ? " ".$date : "");
					break;
				case 0:
					return $this->translate("status_not_reviewed");
					break;
				case 1:
					return $this->translate("status_reviewed").($date !=0 ? " ".$date : "");
					break;
				default:
					return $this->translate("status_unknown");
					break;
			}
		}
	} /* }}} */

	function printApprovalStatusText($status, $date=0) { /* {{{ */
		if (is_null($status)) {
			print $this->translate("status_unknown");
		}
		else {
			switch ($status) {
				case -2:
					print $this->translate("status_approver_removed");
					break;
				case -1:
					print $this->translate("status_approval_rejected").($date !=0 ? " ".$date : "");
					break;
				case 0:
					print $this->translate("status_not_approved");
					break;
				case 1:
					print $this->translate("status_approved").($date !=0 ? " ".$date : "");
					break;
				default:
					print $this->translate("status_unknown");
					break;
			}
		}
	} /* }}} */

	function getApprovalStatusText($status, $date=0) { /* {{{ */
		if (is_null($status)) {
			return $this->translate("status_unknown");
		}
		else {
			switch ($status) {
				case -2:
					return $this->translate("status_approver_removed");
					break;
				case -1:
					return $this->translate("status_approval_rejected").($date !=0 ? " ".$date : "");
					break;
				case 0:
					return $this->translate("status_not_approved");
					break;
				case 1:
					return $this->translate("status_approved").($date !=0 ? " ".$date : "");
					break;
				default:
					return $this->translate("status_unknown");
					break;
			}
		}
	} /* }}} */

	function printOverallStatusText($status) { /* {{{ */
		print getOverallStatusText($status);
	} /* }}} */

	function getOverallStatusText($status) { /* {{{ */
		if (is_null($status)) {
			return $this->translate("assumed_released");
		}
		else {
			switch($status) {
				case S_IN_WORKFLOW:
					return $this->translate("in_workflow");
					break;
				case S_DRAFT_REV:
					return $this->translate("draft_pending_review");
					break;
				case S_DRAFT_APP:
					return $this->translate("draft_pending_approval");
					break;
				case S_RELEASED:
					return $this->translate("released");
					break;
				case S_REJECTED:
					return $this->translate("rejected");
					break;
				case S_OBSOLETE:
					return $this->translate("obsolete");
					break;
				case S_EXPIRED:
					return $this->translate("expired");
					break;
				default:
					return $this->translate("status_unknown");
					break;
			}
		}
	} /* }}} */

	function getAttributeTypeText($attrdef) { /* {{{ */
		$t = '';
		switch($attrdef->getType()) {
			case SeedDMS_Core_AttributeDefinition::type_int:
				$t = $this->translate("attrdef_type_int");
				break;
			case SeedDMS_Core_AttributeDefinition::type_float:
				$t = $this->translate("attrdef_type_float");
				break;
			case SeedDMS_Core_AttributeDefinition::type_string:
				$t = $this->translate("attrdef_type_string");
				break;
			case SeedDMS_Core_AttributeDefinition::type_boolean:
				$t = $this->translate("attrdef_type_boolean");
				break;
			case SeedDMS_Core_AttributeDefinition::type_date:
				$t = $this->translate("attrdef_type_date");
				break;
			case SeedDMS_Core_AttributeDefinition::type_email:
				$t = $this->translate("attrdef_type_email");
				break;
			case SeedDMS_Core_AttributeDefinition::type_url:
				$t = $this->translate("attrdef_type_url");
				break;
			case SeedDMS_Core_AttributeDefinition::type_boolean:
				$t = $this->translate("attrdef_type_boolean");
				break;
			case SeedDMS_Core_AttributeDefinition::type_folder:
				$t = $this->translate("attrdef_type_folder");
				break;
			case SeedDMS_Core_AttributeDefinition::type_document:
				$t = $this->translate("attrdef_type_document");
				break;
			case SeedDMS_Core_AttributeDefinition::type_user:
				$t = $this->translate("attrdef_type_user");
				break;
			case SeedDMS_Core_AttributeDefinition::type_group:
				$t = $this->translate("attrdef_type_group");
				break;
		}
		return $t;
	} /* }}} */

	function getAttributeObjectTypeText($attrdef) { /* {{{ */
		$ot = '';
		switch($attrdef->getObjType()) {
			case SeedDMS_Core_AttributeDefinition::objtype_all:
				$ot = $this->translate("all");
				break;
			case SeedDMS_Core_AttributeDefinition::objtype_folder:
				$ot = $this->translate("folder");
				break;
			case SeedDMS_Core_AttributeDefinition::objtype_document:
				$ot = $this->translate("document");
				break;
			case SeedDMS_Core_AttributeDefinition::objtype_documentcontent:
				$ot = $this->translate("documentcontent");
				break;
			default:
				$ot = $this->translate('objtype_unknown');
		}
		return $ot;
	} /* }}} */

	function getAttributeValidationText($error, $attrname='', $attrvalue='', $regex='') { /* {{{ */
		$arr = getAttributeValidationError($error, $attrname, $attrvalue, $regex);

		return $this->translate($arr[0], $arr[1]);
	} /* }}} */

	function getAttributeValidationError($error, $attrname='', $attrvalue='', $regex='') { /* {{{ */
		if(is_object($attrvalue))
			$attrvalue = $attrvalue->getId();
		switch($error) {
			case 14:
				return array("attr_not_in_valueset", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 13:
				return array("attr_not_a_group", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 12:
				return array("attr_not_a_user", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 11:
				return array("attr_not_a_folder", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 10:
				return array("attr_not_a_document", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 9:
				return array("attr_malformed_date", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 8:
				return array("attr_malformed_boolean", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 7:
				return array("attr_malformed_float", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 6:
				return array("attr_malformed_int", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 5:
				return array("attr_malformed_email", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 4:
				return array("attr_malformed_url", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 3:
				return array("attr_no_regex_match", array('attrname'=>$attrname, 'value'=>$attrvalue, 'regex'=>$regex));
				break;
			case 2:
				return array("attr_max_values", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			case 1:
				return array("attr_min_values", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
			default:
				return array("attr_validation_error", array('attrname'=>$attrname, 'value'=>$attrvalue));
				break;
		}
	} /* }}} */

} /* }}} */