<?php

namespace BRSystems\Core\Sys\sysLanguages\inc;

use BRSystems\Core\Library\cDb\cDb;

/**
 * sysLanguages Module
 *
 * @category sysLanguages Module
 * @author Mareks Keišs <mareks.keiss@brsystems.lv>
 * @since Version 2.0
 */
class sysLanguagesModule
{
    public $db;

    /**
     * Class constructor
     */
    public function __construct() {

        $this->db = cDb::getInstance(DB_HOST, DB_USR, DB_PWD, DB_PORT, DB_NAME);

    }

    /**
     * Function to get module records
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param string $where - sql query
     * @param string $sort - sql query
     * @param int $offset - db table offset
     * @param int $limitPerPage - limit per page
     * @return array of data
     * @version 1.1
     */
    public function getModuleRecords($where, $sort, $offset = 0, $limitPerPage = 20){

            $sSql = "
                    SELECT SQL_CALC_FOUND_ROWS
                         *
                     FROM
                         site_languages ll
                    WHERE
                        1 {$where}
                    ORDER BY
                        {$sort}
                    LIMIT
                        {$offset}, {$limitPerPage}
                    ";
            $this->db->query($sSql);
            return $this->db->getArray();
    }

    /**
     * Function to add or save record data
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param int $id - record id for update
     * @param array $data - record data
     * @return bool record new/old id
     * @version 1.1
     */
    public function saveRecordDataById($id, $data){

        // Update type
        if($data['default']){
            $this->db->_queryUpdate('site_languages', array('default' => '0'), array('default' => '1', 'type' => $data['type']));
        }

        if($id){
            if(!$this->db->_queryUpdate('site_languages', $data, array('id' => $id))){
                return false;
            }
        }else{
            if(!($id = $this->db->_queryInsert('site_languages', $data))){
                return false;
            }
        }
        return $id;

    }

    /**
     * Function to get record data by id
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param int $id - record id
     * @return array - record data
     * @version 1.1
     */
    public function getRecordDataById($id){

        return $this->db->_querySelectRow('site_languages', false, array('id' => $id));

    }

    /**
     * Function to delete table records form db
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param array $ids - record ids to delete
     * @return bool true / false
     * @version 1.1
     */
    public function deleteRecords($ids){

        if($this->chkDefaultExists(false, $ids)){
            return $this->db->execute("DELETE FROM `site_languages` WHERE `id` IN (" . implode(',', $ids) . ")");
        }else{
            cJSON::sendError();
        }
    }

    /**
     * Function to delete check if default language exists in same type db
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param int $type - type id (1 - CMS, 0 - PUB)
     * @param mixed $notIn - ids not in
     * @return bool true / false
     * @version 1.1
     */
    public function chkDefaultExists($type, $notIn = 0){

        if($type === false){
            if(is_array($notIn) && count($notIn)){
                $type = $this->db->_querySelectOne('site_languages', array('type'), array('id' => firstE($notIn)));
            }
        }

        $notIn = is_array($notIn)?$notIn:array('1' => $notIn);
        if($id = $this->db->_querySelectOne('site_languages', array('id'), array('default' => '1', 'type' => $type))){
            if(!in_array($id, $notIn))
                return true;
        }
        return false;

    }

    /**
     * Function to change record status in db table
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param array $ids - record ids to affect
     * @param string $field - field to update for status ENUM
     * @return bool true / false
     * @version 1.1
     */
    public function changeRecordsStatus($ids, $field){

        $time = time();
        $ids = implode(',', $ids);
        $status = $this->db->query("UPDATE site_languages ll SET {$field} = '1', lang_modified = '{$time}' WHERE {$field} = '0' AND id IN ({$ids})");
        if(!$status)
            return $status;
        $status = $this->db->query("UPDATE site_languages ll SET {$field} = '0', lang_modified = '{$time}' WHERE {$field} = '1' AND id IN ({$ids}) AND lang_modified <> '{$time}'");
        return $status;

    }


    /**
     * Function to get system languages array
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param bool $publicSide - select public side languages or cms side
     * @param bool $bCmsVisibleOnly - ...
     * @return array - record data
     * @version 1.1
     */
    public function getLanguages($publicSide = true, $bCmsVisibleOnly = false){

        $where = array('type' => ($publicSide?0:1));
        if($bCmsVisibleOnly !== false && in_array($bCmsVisibleOnly, array('0', '1'))){
            $where['lang_cms_e'] = $bCmsVisibleOnly;
        }
        return $this->db->_querySelect('site_languages', false, $where, array('site_languages.order' => 'ASC'));

    }

    /**
     * Function to get system language id by code
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param string $langCode - lang code to search for
     * @param bool $bPub - select public side languages or cms side
     * @return array - record data
     * @version 1.1
     */
    public function getLangIdByCode($langCode, $bPub = true){
        if($langCode)
            return $this->db->_querySelectOne('site_languages', array('id'), array('type' => ($bPub ? 0 : 1), 'lang_code' => $langCode));
        return false;
    }

    /**
     * Function to get system language data by code
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param string $langCode - lang code to search for
     * @param bool $bIsCms - select cms side languages or cms side
     * @return array - record data
     * @version 1.1
     */
    public function getLangDataByCode($langCode, $bIsCms = true){
        if($langCode)
            return $this->db->_querySelectRow('site_languages', false, array('type' => ($bIsCms ? 1 : 0), 'lang_code' => $langCode));
        return false;
    }

    /**
     * Function to load default languages switch menu
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysLanguages Module
     * @param int $id - site map id
     * @return array - based on lang id
     * @version 1.1
     */
    public function getLangSwitchForId($id){

        $sSql = "
                SELECT
                    sm.p_full_url as `url`,
                    sm.p_lang_id,
                    sl.id as `lang_id`,
                    sl.lang_code,
                    sl.lang_title,
                    sl.`default`
                FROM
                    site_map sm
                    LEFT JOIN site_languages sl ON
                        sl.id = sm.p_lang_id
                WHERE
                    sm.p_type = '0'
                    AND sm.p_lang_ref_id = {$id}
                    AND sl.lang_blocked = '0'
                ";

        if($this->db->query($sSql)){
            return $this->db->getFieldBasedArray('lang_id');
        }

        return false;
    }

    /**
     * Function to get site default language
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category cms
     * @param bool $cms - indicates cms side or public side
     * @return string - public side language code
     */
    public function getDefaultAppLang($cms = false){

        if($lang = $this->db->_querySelectRow('site_languages', false, array(
            'type' => ($cms?1:0),
            'default' => 1,
            'lang_blocked' => 0
        ))){
            return $lang;
        }

        die('No default language marked!');
    }

    /**
     * Function to get site default language
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category cms
     * @param int $langId - language id in question
     * @param bool $bIsCMS
     * @param bool $bIsDefault
     * @return bool
     */
    public function updLanguageDefaultMessages($langId, $bIsCMS = false, $bIsDefault = false){

        if($langId){
            // Get default language
            $defLanguage = $this->getDefaultAppLang($bIsCMS);

            $sTable = 'site_pub_msg_translations';
            if($bIsCMS) $sTable = 'site_cms_msg_translations';

            // Delete all language translations
            $this->db->_queryDelete($sTable, array('msg_lang_id' => $langId));

            // Insert new translations based on APP/CMS default language
            if($bIsDefault){
                $sSql = "
                    INSERT INTO {$sTable} (msg_id, msg_lang_id, msg_translation)
                    SELECT id, {$langId}, msg_message
                    FROM ". ($bIsCMS ? 'site_cms_msg' : 'site_pub_msg') ."
                ";
            }else{
                $sSql = "
                    INSERT INTO {$sTable} (msg_id, msg_lang_id, msg_translation)
                    SELECT msg_id, {$langId}, msg_translation
                    FROM {$sTable} ss
                    WHERE ss.msg_lang_id = {$defLanguage['id']}
                ";
            }
            $this->db->query($sSql);

            return true;
        }
        return false;
    }
}