# --
# Copyright (C) 2001-2019 OTRS AG, https://otrs.com/
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (GPL). If you
# did not receive this file, see https://www.gnu.org/licenses/gpl-3.0.txt.
# --

use strict;
use warnings;
use utf8;

use vars (qw($Self));

my $Helper        = $Kernel::OM->Get('Kernel::System::UnitTest::Helper');
my $PackageObject = $Kernel::OM->Get('Kernel::System::Package');
my $ConfigObject  = $Kernel::OM->Get('Kernel::Config');

my @List = $PackageObject->RepositoryList(
    Result => 'short',
);
my $NumberOfPackagesInstalled = scalar @List;

# Skip the test if there is more then 8 packages installed (8 because of SaaS scenarios).
# TODO: fix the main issue with "unexpected alert open".
if ( $NumberOfPackagesInstalled > 8 ) {
    $Self->True(
        1,
        "Found $NumberOfPackagesInstalled packages installed, skipping test..."
    );
    return 1;
}

# Make sure to enable cloud services.
$Helper->ConfigSettingChange(
    Valid => 1,
    Key   => 'CloudServices::Disabled',
    Value => 0,
);

$Helper->ConfigSettingChange(
    Valid => 1,
    Key   => 'Package::AllowNotVerifiedPackages',
    Value => 0,
);

my $RandomID = $Helper->GetRandomID();

# Override Request() from WebUserAgent to always return some test data without making any
#   actual web service calls. This should prevent instability in case cloud services are
#   unavailable at the exact moment of this test run.
my $CustomCode = <<"EOS";
sub Kernel::Config::Files::ZZZZUnitTestAdminPackageManager${RandomID}::Load {} # no-op, avoid warning logs
use Kernel::System::WebUserAgent;
package Kernel::System::WebUserAgent;
use strict;
use warnings;
## nofilter(TidyAll::Plugin::OTRS::Perl::TestSubs)
{
    no warnings 'redefine';
    sub Request {
        return (
            Status  => '200 OK',
            Content => '{"Success":1,"Results":{"PackageManagement":[{"Operation":"PackageVerify","Data":{"Test":"not_verified","TestPackageIncompatible":"not_verified"},"Success":"1"}]},"ErrorMessage":""},
        );
    }
}
1;
EOS
$Helper->CustomCodeActivate(
    Code       => $CustomCode,
    Identifier => 'AdminPackageManager' . $RandomID,
);

my $Selenium = $Kernel::OM->Get('Kernel::System::UnitTest::Selenium');

my $CheckBreadcrumb = sub {

    my %Param = @_;

    my $BreadcrumbText = $Param{BreadcrumbText} || '';
    my $Count          = 1;

    for my $BreadcrumbText ( 'Package Manager', "$BreadcrumbText Test" ) {
        $Self->Is(
            $Selenium->execute_script("return \$('.BreadCrumb li:eq($Count)').text().trim()"),
            $BreadcrumbText,
            "Breadcrumb text '$BreadcrumbText' is found on screen"
        );

        $Count++;
    }
};

my $NavigateToAdminPackageManager = sub {

    # Wait until all AJAX calls finished.
    $Selenium->WaitFor( JavaScript => "return \$.active == 0" );

    # Go back to overview.
    # Navigate to AdminPackageManager screen.
    my $ScriptAlias = $Kernel::OM->Get('Kernel::Config')->Get('ScriptAlias');
    $Selenium->VerifiedGet("${ScriptAlias}index.pl?Action=AdminPackageManager");
    $Selenium->WaitFor(
        Time => 120,
        JavaScript =>
            'return typeof($) == "function" && $("#FileUpload").length;'
    );
};

my $ClickAction = sub {

    my $Selector = $_[0];

    $Selenium->execute_script('window.Core.App.PageLoadComplete = false;');
    $Selenium->find_element($Selector)->click();
    $Selenium->WaitFor(
        Time => 120,
        JavaScript =>
            'return typeof(Core) == "object" && typeof(Core.App) == "object" && Core.App.PageLoadComplete'
    );
};

$Selenium->RunTest(
    sub {
        my $Helper = $Kernel::OM->Get('Kernel::System::UnitTest::Helper');

        # For the sake of stability, check if test package is already installed.
        my $TestPackage = $PackageObject->RepositoryGet(
            Name            => 'Test',
            Version         => '0.0.1',
            DisableWarnings => 1,
        );

        # If test package is installed, remove it so we can install it again.
        if ($TestPackage) {
            my $PackageUninstall = $PackageObject->PackageUninstall( String => $TestPackage );
            $Self->True(
                $TestPackage,
                'Test package is uninstalled'
            );
        }

        # Create test user and login.
        my $TestUserLogin = $Helper->TestUserCreate(
            Groups => ['admin'],
        ) || die 'Did not get test user';

        $Selenium->Login(
            Type     => 'Agent',
            User     => $TestUserLogin,
            Password => $TestUserLogin,
        );

        # Get script alias.
        my $ScriptAlias = $ConfigObject->Get('ScriptAlias');

        $Selenium->VerifiedGet("${ScriptAlias}index.pl?Action=AdminPackageManager");

        # Check if needed frontend module is registered in sysconfig.
        if ( !$ConfigObject->Get('Frontend::Module')->{AdminPackageManager} ) {
            $Self->True(
                index(
                    $Selenium->get_page_source(),
                    'Module Kernel::Modules::AdminPackageManager not registered in Kernel/Config.pm!'
                ) > 0,
                'Module AdminPackageManager is not registered in sysconfig, skipping test...'
            );

            return 1;
        }

        # Check breadcrumb on Overview screen.
        $Self->True(
            $Selenium->find_element( '.BreadCrumb', 'css' ),
            'Breadcrumb is found on Overview screen'
        );

        # Check overview AdminPackageManager.
        my $Element = $Selenium->find_element( '#FileUpload', 'css' );
        $Element->is_enabled();
        $Element->is_displayed();

        # Install test package.
        my $Location = $ConfigObject->Get('Home') . '/scripts/test/sample/PackageManager/TestPackage.opm';

        $Selenium->find_element( '#FileUpload', 'css' )->send_keys($Location);

        $ClickAction->("//button[contains(.,'Install Package')]");

        # Check breadcrumb on Install screen.
        $CheckBreadcrumb->(
            BreadcrumbText => 'Install Package:',
        );

        # Package is not verified, so it's not possible to continue with the installation.
        $Self->Is(
            $Selenium->execute_script("return \$('button[type=\"submit\"][value=\"Continue\"]').length"),
            '0',
            'Continue button not available because package is not verified'
        );

        $Self->True(
            index(
                $Selenium->get_page_source(),
                'The installation of packages which are not verified by the OTRS Group is not possible by default.'
            ) > 0,
            'Message for aborting installation of package is displayed'
        );

        # Continue with package installation.
        $Helper->ConfigSettingChange(
            Valid => 1,
            Key   => 'Package::AllowNotVerifiedPackages',
            Value => 1,
        );

        # Allow web server to pick up the changed config setting.
        sleep 1;

        $NavigateToAdminPackageManager->();

        # Check for notification.
        $Self->True(
            $Selenium->execute_script(
                'return $("div.MessageBox.Error p:contains(\'The installation of packages which are not verified by the OTRS Group is activated. These packages could threaten your whole system! It is recommended not to use unverified packages.\')").length',
            ),
            'Install warning for not verified packages is displayed',
        );

        $Selenium->find_element( '#FileUpload', 'css' )->send_keys($Location);

        $Selenium->execute_script('window.Core.App.PageLoadComplete = false;');
        $Selenium->find_element("//button[contains(.,'Install Package')]")->click();
        $Selenium->WaitFor(
            Time => 120,
            JavaScript =>
                'return typeof(Core) == "object" && typeof(Core.App) == "object" && Core.App.PageLoadComplete'
        );

        $CheckBreadcrumb->(
            BreadcrumbText => 'Install Package:',
        );

        $ClickAction->("//button[\@value='Continue'][\@type='submit']");

        my $PackageCheck = $PackageObject->PackageIsInstalled(
            Name => 'Test',
        );
        $Self->True(
            $PackageCheck,
            'Test package is installed'
        );

        $NavigateToAdminPackageManager->();

        # Load page with metadata of installed package.
        $ClickAction->("//a[contains(.,'Test')]");

        # Check breadcrumb on Package metadata screen.
        $CheckBreadcrumb->(
            BreadcrumbText => 'Package Information:',
        );

        $NavigateToAdminPackageManager->();

        # Uninstall package.
        $ClickAction->("//a[contains(\@href, \'Subaction=Uninstall;Name=Test' )]");

        # Check breadcrumb on uninstall screen.
        $CheckBreadcrumb->(
            BreadcrumbText => 'Uninstall Package:',
        );

        $ClickAction->("//button[\@value='Uninstall package'][\@type='submit']");

        # Check if test package is uninstalled.
        $Self->True(
            index( $Selenium->get_page_source(), 'Subaction=View;Name=Test' ) == -1,
            'Test package is uninstalled'
        );

        $Selenium->VerifiedGet(
            "${ScriptAlias}index.pl?Action=AdminPackageManager;Subaction=View;Name=NonexistingPackage;Version=0.0.1"
        );

        $Selenium->find_element( 'div.ErrorScreen', 'css' );

        $NavigateToAdminPackageManager->();

        # Try to install incompatible test package.
        $Location = $ConfigObject->Get('Home') . '/scripts/test/sample/PackageManager/TestPackageIncompatible.opm';
        $Selenium->find_element( '#FileUpload', 'css' )->send_keys($Location);

        $ClickAction->("//button[contains(.,'Install Package')]");

        $ClickAction->("//button[\@value='Continue'][\@type='submit']");

        # Check if info for incompatible package is shown.
        $Self->True(
            $Selenium->execute_script(
                "return \$('.WidgetSimple .Content h2:contains(\"Package installation requires a patch level update of OTRS\")').length;"
            ),
            'Info for incompatible package is shown'
        );

        # Set default repository list.
        $Helper->ConfigSettingChange(
            Valid => 1,
            Key   => 'Package::RepositoryList',
            Value => {
                'ftp://ftp.example.com/pub/otrs/misc/packages/' => '[Example] ftp://ftp.example.com/'
            },
        );

        # Allow web server to pick up the changed SysConfig.
        sleep 3;

        $NavigateToAdminPackageManager->();
        $Selenium->InputFieldValueSet(
            Element => '#Soruce',
            Value   => 'ftp://ftp.example.com/pub/otrs/misc/packages/',
        );

        $ClickAction->("//button[\@name=\'GetRepositoryList']");

        # Check that there is a notification about no packages.
        my $Notification = 'No packages found in selected repository. Please check log for more info!';
        $Self->True(
            $Selenium->execute_script("return \$('.MessageBox.Notice p:contains($Notification)').length"),
            "$Notification - notification is found."
        );
    }
);

# Do an implicit cleanup of the test package, in case it's still present in the system.
#   If Selenium Run() method above fails because of an error, it will not proceed to uninstall the test package in an
#   interactive way. Here we check for existence of the test package, and remove it only if it's found.
my $TestPackage = $PackageObject->RepositoryGet(
    Name            => 'Test',
    Version         => '0.0.1',
    DisableWarnings => 1,
);
if ($TestPackage) {
    my $PackageUninstall = $PackageObject->PackageUninstall( String => $TestPackage );
    $Self->True(
        $TestPackage,
        'Test package is cleaned up'
    );
}

1;
