<?php

/*
 * Copyright 2005 - 2022 Centreon (https://www.centreon.com/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For more information : contact@centreon.com
 *
 */

declare(strict_types=1);

namespace Tests\Core\Resources\Infrastructure\Repository\DbReadResourceRepository\FindResources;

use Centreon\Domain\Monitoring\ResourceFilter;
use Centreon\Domain\RequestParameters\Interfaces\RequestParametersInterface;
use Centreon\Domain\RequestParameters\RequestParameters;
use Centreon\Infrastructure\DatabaseConnection;
use Centreon\Infrastructure\RequestParameters\SqlRequestParametersTranslator;
use Core\Domain\RealTime\Model\ResourceTypes\ServiceResourceType;
use Core\Resources\Infrastructure\Repository\DbReadResourceRepository;
use Core\Resources\Infrastructure\Repository\ResourceACLProviders\HostACLProvider;
use Core\Resources\Infrastructure\Repository\ResourceACLProviders\MetaServiceACLProvider;
use Core\Resources\Infrastructure\Repository\ResourceACLProviders\ResourceACLProviderInterface;
use Core\Resources\Infrastructure\Repository\ResourceACLProviders\ServiceACLProvider;

function getSubQueryByACLProvider(ResourceACLProviderInterface $provider): string
{
    $serviceSubQuery = 'resources.type = 0 AND resources.parent_id = acl.host_id AND resources.id = acl.service_id';
    $metaServiceSubQuery = 'resources.type = 2 AND resources.parent_id = acl.host_id AND resources.id = acl.service_id';

    return match ($provider::class) {
        ServiceACLProvider::class => $serviceSubQuery,
        HostACLProvider::class => 'resources.type = 1 AND resources.id = acl.host_id AND acl.service_id IS NULL',
        MetaServiceACLProvider::class => $metaServiceSubQuery,
        default => throw new \Exception('Unexpected match value'),
    };
}

/**
 * @param \Traversable<ResourceACLProviderInterface> $providers
 * @param int[]                                      $accessGroupIds
 */
function generateAccessGroupSubQuery(\Traversable $providers, array $accessGroupIds): string
{
    $orConditions = array_map(
        fn(ResourceACLProviderInterface $provider) => '(' . getSubQueryByACLProvider($provider) . ')',
        iterator_to_array($providers)
    );
    $pattern = 'AND EXISTS (SELECT 1 FROM `centreon-monitoring`.centreon_acl acl ' .
        'WHERE (%s) AND acl.group_id IN (%s) LIMIT 1) ';

    return sprintf($pattern, join(' OR ', $orConditions), join(', ', $accessGroupIds));
}

function generateExpectedSQLQuery(string $accessGroupRequest): string
{
    $request = 'SELECT SQL_CALC_FOUND_ROWS DISTINCT
            resources.resource_id,
            resources.name,
            resources.alias,
            resources.address,
            resources.id,
            resources.internal_id,
            resources.parent_id,
            resources.parent_name,
            parent_resource.status AS `parent_status`,
            parent_resource.alias AS `parent_alias`,
            parent_resource.status_ordered AS `parent_status_ordered`,
            parent_resource.address AS `parent_fqdn`,
            severities.id AS `severity_id`,
            severities.level AS `severity_level`,
            severities.name AS `severity_name`,
            severities.type AS `severity_type`,
            severities.icon_id AS `severity_icon_id`,
            resources.type,
            resources.status,
            resources.status_ordered,
            resources.status_confirmed,
            resources.in_downtime,
            resources.acknowledged,
            resources.passive_checks_enabled,
            resources.active_checks_enabled,
            resources.notifications_enabled,
            resources.last_check,
            resources.last_status_change,
            resources.check_attempts,
            resources.max_check_attempts,
            resources.notes,
            resources.notes_url,
            resources.action_url,
            resources.output,
            resources.poller_id,
            resources.has_graph,
            instances.name AS `monitoring_server_name`,
            resources.enabled,
            resources.icon_id,
            resources.severity_id
        FROM `centreon-monitoring`.`resources`
        LEFT JOIN `centreon-monitoring`.`resources` parent_resource
            ON parent_resource.id = resources.parent_id
        LEFT JOIN `centreon-monitoring`.`severities`
            ON `severities`.severity_id = `resources`.severity_id
        LEFT JOIN `centreon-monitoring`.`resources_tags` AS rtags
            ON `rtags`.resource_id = `resources`.resource_id
        INNER JOIN `centreon-monitoring`.`instances`
            ON `instances`.instance_id = `resources`.poller_id WHERE ' .
        " resources.name NOT LIKE '\_Module\_%'
            AND resources.parent_name NOT LIKE '\_Module\_BAM%'
            AND resources.enabled = 1 AND resources.type != 3 " .
        $accessGroupRequest .
        'ORDER BY resources.status_ordered DESC, resources.name ASC';

    return $request;
}

it(
    'findResources method should fetch resources',
    function () {
        $statement = $this->createMock(\PDOStatement::class);
        $statement->method('fetchColumn')->willReturn(10);

        $dbConnection = $this->createMock(DatabaseConnection::class);
        $dbConnection->expects($this->once())->method('getStorageDbName')->willReturn('centreon-monitoring');
        $dbConnection->expects($this->once())->method('getCentreonDbName')->willReturn('centreon');
        $dbConnection->expects($this->once())->method('prepare')->with(generateExpectedSQLQuery(''))
            ->willReturn($statement);
        $dbConnection->expects($this->once())->method('query')->with('SELECT FOUND_ROWS()')
            ->willReturn($statement);
        $serviceResourceType = $this->createMock(ServiceResourceType::class);
        $requestParams = $this->createMock(RequestParametersInterface::class);
        $requestParams
            ->expects($this->once())
            ->method('setConcordanceStrictMode')
            ->with(RequestParameters::CONCORDANCE_MODE_STRICT)
            ->willReturn($requestParams);
        $requestParams
            ->expects($this->once())
            ->method('setConcordanceErrorMode')
            ->with(RequestParameters::CONCORDANCE_ERRMODE_SILENT)
            ->willReturn($requestParams);
        $paramsTranslator = $this->createMock(SqlRequestParametersTranslator::class);
        $paramsTranslator->method('getRequestParameters')->willReturn($requestParams);
        $repository = new DbReadResourceRepository(
            $dbConnection,
            $paramsTranslator,
            new \ArrayIterator([$serviceResourceType]),
            new \ArrayIterator([new ServiceACLProvider()])
        );

        $resources = $repository->findResources(new ResourceFilter());

        expect($resources)->toBe([]);
    }
);

it(
    'findResourcesByAccessGroupIds method should fetch resources',
    function (\Traversable $resourceACLProviders, array $accessGroupIDs) {
        $statement = $this->createMock(\PDOStatement::class);
        $statement->method('fetchColumn')->willReturn(10);

        $dbConnection = $this->createMock(DatabaseConnection::class);
        $dbConnection->expects($this->once())->method('getStorageDbName')->willReturn('centreon-monitoring');
        $dbConnection->expects($this->once())->method('getCentreonDbName')->willReturn('centreon');
        $accessGroupSubQuery = generateAccessGroupSubQuery($resourceACLProviders, $accessGroupIDs);
        $dbConnection
            ->expects($this->once())
            ->method('prepare')
            ->with(generateExpectedSQLQuery($accessGroupSubQuery))
            ->willReturn($statement);
        $dbConnection->expects($this->once())->method('query')->with('SELECT FOUND_ROWS()')
            ->willReturn($statement);
        $serviceResourceType = $this->createMock(ServiceResourceType::class);
        $requestParams = $this->createMock(RequestParametersInterface::class);
        $requestParams
            ->expects($this->once())
            ->method('setConcordanceStrictMode')
            ->with(RequestParameters::CONCORDANCE_MODE_STRICT)
            ->willReturn($requestParams);
        $requestParams
            ->expects($this->once())
            ->method('setConcordanceErrorMode')
            ->with(RequestParameters::CONCORDANCE_ERRMODE_SILENT)
            ->willReturn($requestParams);
        $paramsTranslator = $this->createMock(SqlRequestParametersTranslator::class);
        $paramsTranslator->method('getRequestParameters')->willReturn($requestParams);
        $repository = new DbReadResourceRepository(
            $dbConnection,
            $paramsTranslator,
            new \ArrayIterator([$serviceResourceType]),
            $resourceACLProviders
        );

        $resources = $repository->findResourcesByAccessGroupIds(new ResourceFilter(), $accessGroupIDs);

        expect($resources)->toBe([]);
    }
)->with(
    function () {
        yield [new \ArrayIterator([new ServiceACLProvider()]), [1, 4]];
        yield [new \ArrayIterator([new HostACLProvider()]), [1, 4]];
        yield [new \ArrayIterator([new MetaServiceACLProvider(), new HostACLProvider()]), [1]];
    }
);
