<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM – Open Source CRM application.
 * Copyright (C) 2014-2024 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
 * Website: https://www.espocrm.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Tools\Stream\RecordService;

use Espo\Core\Acl\Exceptions\NotAvailable;
use Espo\Core\Acl\Exceptions\NotImplemented as AclNotImplemented;
use Espo\Core\Acl\Table;
use Espo\Core\AclManager;
use Espo\Core\Exceptions\BadRequest;
use Espo\Core\Exceptions\Forbidden;
use Espo\Core\Select\SearchParams;
use Espo\Core\Select\SelectBuilderFactory;
use Espo\Core\Utils\Acl\UserAclManagerProvider;
use Espo\Core\Utils\Metadata;
use Espo\Entities\Note;
use Espo\Entities\User;
use Espo\ORM\EntityManager;
use Espo\ORM\Query\SelectBuilder as SelectQueryBuilder;

class Helper
{
    public function __construct(
        private EntityManager $entityManager,
        private SelectBuilderFactory $selectBuilderFactory,
        private Metadata $metadata,
        private AclManager $aclManager,
        private UserAclManagerProvider $userAclManagerProvider
    ) {}


    /**
     * @throws BadRequest
     * @throws Forbidden
     */
    public function buildBaseQueryBuilder(SearchParams $searchParams): SelectQueryBuilder
    {
        $builder = $this->entityManager
            ->getQueryBuilder()
            ->select()
            ->from(Note::ENTITY_TYPE);

        if (
            $searchParams->getWhere() ||
            $searchParams->getTextFilter() ||
            $searchParams->getPrimaryFilter() ||
            $searchParams->getBoolFilterList() !== []
        ) {
            $builder = $this->selectBuilderFactory
                ->create()
                ->from(Note::ENTITY_TYPE)
                ->withComplexExpressionsForbidden()
                ->withWherePermissionCheck()
                ->withSearchParams(
                    $searchParams
                        ->withOffset(null)
                        ->withMaxSize(null)
                )
                ->buildQueryBuilder()
                ->order([]);
        }

        return $builder;
    }

    /**
     * @return string[]
     */
    public function getOnlyTeamEntityTypeList(User $user): array
    {
        if ($user->isPortal()) {
            return [];
        }

        $list = [];

        $scopes = $this->metadata->get('scopes', []);

        foreach ($scopes as $scope => $item) {
            if ($scope === User::ENTITY_TYPE) {
                continue;
            }

            if (empty($item['entity'])) {
                continue;
            }

            if (empty($item['object'])) {
                continue;
            }

            if (
                $this->aclManager->checkReadOnlyTeam($user, $scope)
            ) {
                $list[] = $scope;
            }
        }

        return $list;
    }

    /**
     * @return string[]
     */
    public function getOnlyOwnEntityTypeList(User $user): array
    {
        if ($user->isPortal()) {
            return [];
        }

        $list = [];

        $scopes = $this->metadata->get('scopes', []);

        foreach ($scopes as $scope => $item) {
            if ($scope === User::ENTITY_TYPE) {
                continue;
            }

            if (empty($item['entity'])) {
                continue;
            }

            if (empty($item['object'])) {
                continue;
            }

            if (
                $this->aclManager->checkReadOnlyOwn($user, $scope)
            ) {
                $list[] = $scope;
            }
        }

        return $list;
    }

    /**
     * @return string[]
     */
    public function getIgnoreScopeList(User $user, bool $forParent = false): array
    {
        $ignoreScopeList = [];

        $scopes = $this->metadata->get('scopes', []);

        $aclManager = $this->getUserAclManager($user);

        foreach ($scopes as $scope => $item) {
            if (empty($item['entity'])) {
                continue;
            }

            if (empty($item['object'])) {
                continue;
            }

            try {
                $hasAccess =
                    $aclManager &&
                    $aclManager->checkScope($user, $scope, Table::ACTION_READ) &&
                    (!$forParent || $aclManager->checkScope($user, $scope, Table::ACTION_STREAM));
            }
            catch (AclNotImplemented) {
                $hasAccess = false;
            }

            if (!$hasAccess) {
                $ignoreScopeList[] = $scope;
            }
        }

        return $ignoreScopeList;
    }

    private function getUserAclManager(User $user): ?AclManager
    {
        try {
            return $this->userAclManagerProvider->get($user);
        }
        catch (NotAvailable) {
            return null;
        }
    }

    /**
     * @return string[]
     */
    public function getNotAllEntityTypeList(User $user): array
    {
        if (!$user->isPortal()) {
            return [];
        }

        $aclManager = $this->getUserAclManager($user);

        $list = [];

        $scopes = $this->metadata->get('scopes', []);

        foreach ($scopes as $scope => $item) {
            if ($scope === User::ENTITY_TYPE) {
                continue;
            }

            if (empty($item['entity'])) {
                continue;
            }

            if (empty($item['object'])) {
                continue;
            }

            if (
                !$aclManager ||
                $aclManager->getLevel($user, $scope, Table::ACTION_READ) !== Table::LEVEL_ALL
            ) {
                $list[] = $scope;
            }
        }

        return $list;
    }
}