<?php

namespace BRSystems\Core\Sys\sysPermissions\inc;

use BRSystems\Core\Cms\cmsClassificators\inc\cmsClassificatorsModule;
use BRSystems\Core\Library\cDb\cDb;

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

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

        $this->db = cDb::getInstance();

    }

    /**
     * Function to get module records
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysPermissions 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){

            $sSql = "
                    SELECT SQL_CALC_FOUND_ROWS
                         pp.id,
                         pp.p_name,
                         pp.p_description,
                         pp.p_blocked,
                         mc.cl_name as type_name
                    FROM
                         site_permissions pp
                         LEFT JOIN mod_classificators mc ON
                            mc.id = pp.p_type_id
                            AND mc.cl_type = ". cmsClassificatorsModule::CT_TYPE_PERMISSION_GROUPS ."
                    WHERE
                        1 {$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 sysPermissions Module
     * @param int $id - record id for update
     * @param array $data - record data
     * @return bool|int record new/old id
     * @version 1.1
     */
    public function saveRecordDataById($id, $data){

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

    }

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

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

    }

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

        return $this->db->execute("DELETE FROM `site_permissions` WHERE `id` IN (" . implode(',', $ids) . ")");

    }

    /**
     * Function to change record status in db table
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysPermissions 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 = $this->db->query("UPDATE site_permissions pp SET {$field} = '1', p_modified = '{$time}' WHERE {$field} = '0' AND id IN ({$ids})");
        if(!$status)
            return $status;
        $status = $this->db->query("UPDATE site_permissions pp SET {$field} = '0', p_modified = '{$time}' WHERE {$field} = '1' AND id IN ({$ids}) AND p_modified <> '{$time}'");
        return $status;

    }

    /**
     * Function to get permission groups
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category CMS users
     * @param int $id - permission id
     * @return array of data
     * @version 1.0
     */
    public function getPermissionGroups($id = 0){

        $sSql = "
            SELECT
                DISTINCT sug.id,
                sug.group_name,
                sug.group_description,
                CASE WHEN sup.permissions_id > 0 THEN 1 ELSE 0 END as sel
            FROM
                site_users_groups sug
                LEFT JOIN site_users_permissions sup ON
                    sup.groups_id = sug.id
                    AND sup.permissions_id = '" . $this->db->prepData($id) . "'
                    AND sup.user_id = 0
            ORDER BY
                sug.group_name
        ";
        $this->db->query($sSql);
        return $this->db->getArray();

    }

    /**
     * Function to delete table records form db
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category cmsPermissions Module
     * @param int $id - permission id
     * @param array $vData - data to insert
     * @return bool true / false
     * @version 1.0
     */
    public function rewriteLinkedPermissions($id, $vData){

        if(!!$id){
            $this->db->_queryDelete("site_users_permissions", array('permissions_id' => $id, 'groups_id' => array('o' => '>', 'v' => 0)));
            if(count($vData)) $this->db->_queryInsertArray("site_users_permissions", $vData);
            return true;
        }

    }

    /**
     * Function to reserve next x ids in table
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category cmsPermissions Module
     * @param int $resRowsCount - how many rows + 1 dummy
     * @return bool record highest id to work with
     * @version 1.1
     */
    public function rsvTableRows($resRowsCount){

        if($resRowsCount && $resRowsCount > 0){
            $this->db->query("
                INSERT INTO site_permissions (id, p_description, p_created, p_modified)
                VALUES (
                  ( SELECT
                      COALESCE(MAX(tt.id),0)+{$resRowsCount}
                    FROM site_permissions tt
                  ), '', -1, -1)
            ");
            return $this->db->lastInsertedId();
        }
        return false;
    }
    /**
     * Function to delete table temp data rows
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category APP pubMunBuildings
     * @return bool
     * @version 1.1
     */
    public function deleteTempRows(){

        $this->db->_queryDelete('site_permissions', array('p_modified' => -1));

    }

    /**
     * Function to insert group
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category cmsPermissions Module
     * @param array $vData - data to insert
     * @return bool true / false
     * @version 1.1
     */
    public function insertGroup($vData) {

        return $this->db->_queryInsert('site_users_groups', $vData);

    }

    /**
     * Function to insert multi array in db
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category cmsPermissions Module
     * @param array $vData - data to insert
     * @param string $sTable - table, by default its module main table
     * @return bool true / false
     * @version 1.1
     */
    public function insertMulti($vData, $sTable = 'site_permissions') {

        return $this->db->_queryInsertArray($sTable, $vData);

    }

    /**
     * Function to get permission data for sql export
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category cmsPermissions Module
     * @param array $ids - permission ids, if we need just few permissions
     * @return bool|array of data
     * @version 1.1
     */
    public function getPermissionDataForSqlExport($ids) {

        $sWhere = "";
        if(!empty($ids) && is_array($ids))
            $sWhere = " WHERE pp.id IN (". implode(',', $ids) .")";


        $sSql = "
            SELECT
                pp.id,
                pp.p_name,
                pp.p_description,
                pp.p_type_id,
                pp.p_blocked,
                pp.p_modified,
                pp.p_created,
                uup.groups_id
            FROM
                site_permissions pp
                LEFT JOIN site_users_permissions uup ON
                    pp.id = uup.permissions_id
                    AND uup.user_id = 0
            {$sWhere}
        ";

        $this->db->query($sSql);
        return $this->db->getFieldBasedArrayFieldsAdv('id');


    }

    /**
     * Function to get permission data for sql export
     *
     * @author Aivars Žukovskis <mareks.keiss@brsystems.lv>
     * @category cmsPermissions Module
     * @param array $ids - groups ids
     * @return bool|array of data
     * @version 1.1
     */
    public function getGroupsDataForSqlExport($ids) {

        return $this->db->_querySelect('site_users_groups', false, array('id' => $ids));

    }
}