<?php

namespace BRSystems\Core\Sys\sysUsersManager\inc;

use BRSystems\Core\Library\cDb\cDb;

/**
 * sysUsersManager Module
 *
 * @category sysUsersManager Module
 * @author Mareks Keišs <mareks.keiss@brsystems.lv>
 * @since Version 2.0
 */
class sysUsersManagerModule
{
    public $oDb;

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

        $this->oDb = 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 sysUsersManager 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){


        $sSql = "
                    SELECT SQL_CALC_FOUND_ROWS
                         su.id,
                         su.user_name,
                         su.user_surname,
                         su.user_login,
                         su.user_email,
                         su.user_last_ip,
                         user_last_login,
                         su.user_last_location_url,
                         su.user_blocked,
                         LENGTH(su.user_2fa_secret_enabled) > 0 as tfa
                    FROM
                         site_users su
                    WHERE
                        1 {$where}
                    ORDER BY
                        {$sort}
                    LIMIT
                        {$offset}, {$limitPerPage}
                 ";

        $this->oDb->query($sSql);
        return $this->oDb->getArray();

    }

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

        return $this->oDb->_querySelectRow('site_users', false, array('id' => $id));

    }

    /**
     * Function to get user permissions by userid
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsersManager Module
     * @param int $userId - user id
     * @return array
     * @version 1.1
     */
    public function getUserPermissionsByUserId($userId){

        $userId = $userId ? $userId : 0;
        $sSql = "
                SELECT
                    *
                FROM (
                    SELECT
                        DISTINCT sp.id,
                        COALESCE(mc.cl_name, '') as type_name,
                        sp.p_name,
                        sp.p_type_id,
                        sp.p_description,
                        stp.id > 0 as `sel`
                    FROM
                        site_permissions sp
                        LEFT JOIN mod_classificators mc ON
                            mc.id = sp.p_type_id
                        LEFT JOIN site_users_permissions stp ON
                            stp.permissions_id = sp.id
                            AND stp.user_id = '" . $this->oDb->prepData($userId) . "'
                            AND stp.groups_id = 0
                    ) dt
                ORDER BY
                    dt.p_type_id, dt.p_name
                ";

        $this->oDb->query($sSql);
        return $this->oDb->getArray();

    }

    /**
     * Function to get user permission groups by user id
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsersManager Module
     * @param int $userId - user id
     * @return array
     * @version 1.1
     */
    public function getUserPermissionGroupsByUserId($userId){

        $userId = $userId ? $userId : 0;
        $sSql = "
                SELECT
                    DISTINCT sug.id,
                    sug.group_name,
                    sug.group_description,
                    sup.id > 0 as `sel`
                FROM
                    site_users_groups sug
                    LEFT JOIN site_users_permissions sup ON
                        sup.groups_id = sug.id
                        AND user_id = '" . $this->oDb->prepData($userId) . "'
                        AND user_id > 0
                ORDER BY
                    sug.group_name
                ";

        $this->oDb->query($sSql);
        return $this->oDb->getArray();

    }

    /**
     * Function to get user data by login
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsersManager Module
     * @param int    $userId - user id
     * @param string $login - user login
     * @return array user data
     * @version 1.1
     */
    public function getUserDataByLogin($userId, $login){

        $userId = $userId ? $userId : 0;
        $sSql = "
                SELECT
                    *
                FROM
                    site_users su
                WHERE
                    su.user_login = '" . $this->oDb->prepData($login) . "'
                    AND su.id <> '" . $this->oDb->prepData($userId) . "'
                ";

        $this->oDb->query($sSql);
        return $this->oDb->getRow();

    }

    /**
     * Function to add or save user data
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsersManager Module
     * @param int $id - user id
     * @param array $data - user data
     * @return bool|int - user id
     * @version 1.1
     */
    public function saveUserDataById($id, $data){

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

    }

    /**
     * Function to handle & rewrite user permissions
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsersManager Module
     * @param int   $userId - user id
     * @param array $permissions
     * @return bool true / false
     * @version 1.1
     */
    public function updateUserPermissions($userId, $permissions = array()){
        if($userId){
            $this->oDb->_queryDelete("site_users_permissions", array('user_id' => $userId));
            if(count($permissions)){
                $this->oDb->_queryInsertArray("site_users_permissions", $permissions);
            }
            return true;
        }
        return false;
    }

    /**
     * Function to load user permissions
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsersManager Module
     * @param int $userId - user id
     * @return array
     * @version 1.1
     */
    public function loadUserPermissionArray($userId){

        $sSql = "
                SELECT
                    DISTINCT userp.permissions_id as pId,
                    sitep.p_name as sId
                FROM
                (
                    SELECT
                        sp.permissions_id
                    FROM
                        site_users_permissions sp
                    WHERE
                        sp.user_id = '{$userId}'
                        AND sp.groups_id = '0'
                    UNION ALL
                    SELECT
                        sg.permissions_id
                    FROM
                        site_users_permissions sp
                        LEFT JOIN site_users_permissions sg ON
                            sg.groups_id = sp.groups_id
                            AND sg.user_id = 0
                        LEFT JOIN site_users_groups sug ON
                            sug.id = sp.groups_id
                    WHERE
                        sp.user_id = '{$userId}'
                        AND sp.groups_id <> '0'
                        AND sug.group_blocked = '0'
                ) userp
                LEFT JOIN site_permissions sitep ON
                    userp.permissions_id = sitep.id
                WHERE
                    sitep.p_blocked = '0'
            ";

        $this->oDb->query($sSql);
        return $this->oDb->getKeyValBasedArray('pId', 'sId');
    }


    /**
     * Function to change record status in db table
     *
     * @author Mareks Keišs <mareks.keiss@brsystems.lv>
     * @category sysUsersManager Module
     * @param array $ids - record ids to delete
     * @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 = $this->oDb->query("UPDATE site_users su SET {$field} = '1', user_modified = '{$time}' WHERE {$field} = '0' AND id IN ({$ids})");
        if(!$status)
            return $status;
        $status = $this->oDb->query("UPDATE site_users su SET {$field} = '0', user_modified = '{$time}' WHERE {$field} = '1' AND id IN ({$ids}) AND user_modified <> '{$time}'");
        return $status;

    }

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

        $this->oDb->execute("DELETE FROM `site_users_ipaccess` WHERE `user_id` IN (" . implode(',', $ids) . ")");
        $this->oDb->execute("DELETE FROM `temp_users_online` WHERE `o_user_id` IN (" . implode(',', $ids) . ")");
        $this->oDb->execute("DELETE FROM `site_users_permissions` WHERE `user_id` IN (" . implode(',', $ids) . ") AND `user_id` <> 0");
        return $this->oDb->execute("DELETE FROM `site_users` WHERE `id` IN (" . implode(',', $ids) . ")");

    }
}