# --
# Copyright (C) 2001-2021 OTRS AG, https://otrs.com/
# Copyright (C) 2021 Znuny GmbH, https://znuny.org/
# --
# 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.
# --

package Kernel::Modules::AdminQueueTemplates;

use strict;
use warnings;

our $ObjectManagerDisabled = 1;

sub new {
    my ( $Type, %Param ) = @_;

    # allocate new hash for object
    my $Self = {%Param};
    bless( $Self, $Type );

    return $Self;
}

sub Run {
    my ( $Self, %Param ) = @_;

    my $ParamObject            = $Kernel::OM->Get('Kernel::System::Web::Request');
    my $LayoutObject           = $Kernel::OM->Get('Kernel::Output::HTML::Layout');
    my $QueueObject            = $Kernel::OM->Get('Kernel::System::Queue');
    my $StandardTemplateObject = $Kernel::OM->Get('Kernel::System::StandardTemplate');

    # ------------------------------------------------------------ #
    # template <-> queues 1:n
    # ------------------------------------------------------------ #
    if ( $Self->{Subaction} eq 'Template' ) {

        # get template data
        my $ID                   = $ParamObject->GetParam( Param => 'ID' );
        my %StandardTemplateData = $StandardTemplateObject->StandardTemplateGet( ID => $ID );

        # get queues
        my %QueueData = $QueueObject->QueueList( Valid => 1 );

        # get assigned queues
        my %Member = $QueueObject->QueueStandardTemplateMemberList(
            StandardTemplateID => $ID,
        );

        my $StandardTemplateType = $Self->_TranslateStandardTemplateTemplateTypes(
            TemplateType => $StandardTemplateData{TemplateType}
        );

        my $Output = $LayoutObject->Header();
        $Output .= $LayoutObject->NavigationBar();
        $Output .= $Self->_Change(
            Selected => \%Member,
            Data     => \%QueueData,
            ID       => $StandardTemplateData{ID},
            Name     => $StandardTemplateType . ' - ' . $StandardTemplateData{Name},
            Type     => 'Template',
        );
        $Output .= $LayoutObject->Footer();
        return $Output;
    }

    # ------------------------------------------------------------ #
    # templates <-> Queue n:1
    # ------------------------------------------------------------ #
    elsif ( $Self->{Subaction} eq 'Queue' ) {

        # get queue data
        my $ID        = $ParamObject->GetParam( Param => 'ID' );
        my %QueueData = $QueueObject->QueueGet( ID => $ID );

        # get templates
        my %StandardTemplateData = $StandardTemplateObject->StandardTemplateList(
            Valid => 1,
        );

        if (%StandardTemplateData) {
            for my $StandardTemplateID ( sort keys %StandardTemplateData ) {
                my %Data = $StandardTemplateObject->StandardTemplateGet(
                    ID => $StandardTemplateID
                );

                my $TemplateTypeString = $Self->_TranslateStandardTemplateTemplateTypes(
                    TemplateType => $Data{TemplateType}
                );

                $StandardTemplateData{$StandardTemplateID} = $TemplateTypeString . ' - ' . $Data{Name};
            }
        }

        # get assigned templates
        my %Member = $QueueObject->QueueStandardTemplateMemberList(
            QueueID => $ID,
        );

        my $Output = $LayoutObject->Header();
        $Output .= $LayoutObject->NavigationBar();
        $Output .= $Self->_Change(
            Selected => \%Member,
            Data     => \%StandardTemplateData,
            ID       => $QueueData{QueueID},
            Name     => $QueueData{Name},
            Type     => 'Queue',
        );
        $Output .= $LayoutObject->Footer();
        return $Output;
    }

    # ------------------------------------------------------------ #
    # add templates to queue
    # ------------------------------------------------------------ #
    elsif ( $Self->{Subaction} eq 'ChangeQueue' ) {

        # challenge token check for write action
        $LayoutObject->ChallengeTokenCheck();

        # get new templates
        my @TemplatesSelected = $ParamObject->GetArray( Param => 'ItemsSelected' );
        my @TemplatesAll      = $ParamObject->GetArray( Param => 'ItemsAll' );

        my $QueueID = $ParamObject->GetParam( Param => 'ID' );

        # create hash with selected templates
        my %TemplatesSelected = map { $_ => 1 } @TemplatesSelected;

        # check all used templates
        for my $TemplateID (@TemplatesAll) {
            my $Active = $TemplatesSelected{$TemplateID} ? 1 : 0;

            # set customer user service member
            $QueueObject->QueueStandardTemplateMemberAdd(
                QueueID            => $QueueID,
                StandardTemplateID => $TemplateID,
                Active             => $Active,
                UserID             => $Self->{UserID},
            );
        }

        # if the user would like to continue editing the templates - queue relation just redirect to the edit screen
        # otherwise return to relations overview
        if (
            defined $ParamObject->GetParam( Param => 'ContinueAfterSave' )
            && ( $ParamObject->GetParam( Param => 'ContinueAfterSave' ) eq '1' )
            )
        {
            return $LayoutObject->Redirect(
                OP => "Action=$Self->{Action};Subaction=Queue;ID=$QueueID"
            );
        }
        else {
            return $LayoutObject->Redirect(
                OP => "Action=$Self->{Action}"
            );
        }
    }

    # ------------------------------------------------------------ #
    # add queues to template
    # ------------------------------------------------------------ #
    elsif ( $Self->{Subaction} eq 'ChangeTemplate' ) {

        # challenge token check for write action
        $LayoutObject->ChallengeTokenCheck();

        # get new queues
        my @QueuesSelected = $ParamObject->GetArray( Param => 'ItemsSelected' );
        my @QueuesAll      = $ParamObject->GetArray( Param => 'ItemsAll' );

        my $TemplateID = $ParamObject->GetParam( Param => 'ID' );

        # create hash with selected queues
        my %QueuesSelected = map { $_ => 1 } @QueuesSelected;

        # check all used queues
        for my $QueueID (@QueuesAll) {
            my $Active = $QueuesSelected{$QueueID} ? 1 : 0;

            # set customer user service member
            $QueueObject->QueueStandardTemplateMemberAdd(
                QueueID            => $QueueID,
                StandardTemplateID => $TemplateID,
                Active             => $Active,
                UserID             => $Self->{UserID},
            );
        }

        # if the user would like to continue editing the queue - templates relation just redirect to the edit screen
        # otherwise return to relations overview
        if (
            defined $ParamObject->GetParam( Param => 'ContinueAfterSave' )
            && ( $ParamObject->GetParam( Param => 'ContinueAfterSave' ) eq '1' )
            )
        {
            return $LayoutObject->Redirect(
                OP => "Action=$Self->{Action};Subaction=Template;ID=$TemplateID"
            );
        }
        else {
            return $LayoutObject->Redirect(
                OP => "Action=$Self->{Action}"
            );
        }
    }

    # ------------------------------------------------------------ #
    # overview
    # ------------------------------------------------------------ #
    my $Output = $LayoutObject->Header();
    $Output .= $LayoutObject->NavigationBar();
    $Output .= $Self->_Overview();
    $Output .= $LayoutObject->Footer();
    return $Output;
}

sub _Change {
    my ( $Self, %Param ) = @_;

    my %Data   = %{ $Param{Data} };
    my $Type   = $Param{Type} || 'Template';
    my $NeType = $Type eq 'Queue' ? 'Template' : 'Queue';

    my %VisibleType = (
        Template => 'Template',
        Queue    => 'Queue',
    );

    my $MyType       = $VisibleType{$Type};
    my $LayoutObject = $Kernel::OM->Get('Kernel::Output::HTML::Layout');

    my $BreadcrumbTitle = $LayoutObject->{LanguageObject}->Translate('Change Queue Relations for Template');

    if ( $VisibleType{$Type} eq 'Queue' ) {
        $BreadcrumbTitle = $LayoutObject->{LanguageObject}->Translate('Change Template Relations for Queue');
    }

    $LayoutObject->Block(
        Name => 'Overview',
        Data => {
            Name            => $Param{Name},
            BreadcrumbTitle => $BreadcrumbTitle,
        },
    );
    $LayoutObject->Block( Name => 'ActionList' );
    $LayoutObject->Block( Name => 'ActionOverview' );
    $LayoutObject->Block( Name => 'Filter' );

    #fixed link
    my $QueueTag;

    $QueueTag = $Type eq 'Queue' ? 'Queue' : '';

    $LayoutObject->Block(
        Name => 'Change',
        Data => {
            %Param,
            ActionHome      => 'Admin' . $Type,
            NeType          => $NeType,
            VisibleType     => $VisibleType{$Type},
            VisibleNeType   => $VisibleType{$NeType},
            Queue           => $QueueTag,
            BreadcrumbTitle => $BreadcrumbTitle,
        },
    );

    # check if there are queue/template
    if ( !%Data ) {
        $LayoutObject->Block(
            Name => 'NoDataFoundMsgList',
            Data => {
                ColSpan => 2,
            },
        );
    }

    $LayoutObject->Block(
        Name => 'ChangeHeader',
        Data => {
            %Param,
            Type          => $Type,
            NeType        => $NeType,
            VisibleType   => $VisibleType{$Type},
            VisibleNeType => $VisibleType{$NeType},
        },
    );

    for my $ID ( sort { uc( $Data{$a} ) cmp uc( $Data{$b} ) } keys %Data ) {

        # set output class
        my $Selected = $Param{Selected}->{$ID} ? ' checked="checked"' : '';

        $QueueTag = $Type ne 'Queue' ? 'Queue' : '';

        $LayoutObject->Block(
            Name => 'ChangeRow',
            Data => {
                %Param,
                Name          => $Param{Data}->{$ID},
                NeType        => $NeType,
                Type          => $Type,
                ID            => $ID,
                Selected      => $Selected,
                VisibleType   => $VisibleType{$Type},
                VisibleNeType => $VisibleType{$NeType},
                Queue         => $QueueTag,
            },
        );
    }

    return $LayoutObject->Output(
        TemplateFile => 'AdminQueueTemplates',
        Data         => \%Param,
        VisibleType  => $MyType,
    );
}

sub _Overview {
    my ( $Self, %Param ) = @_;

    my $LayoutObject = $Kernel::OM->Get('Kernel::Output::HTML::Layout');

    $LayoutObject->Block(
        Name => 'Overview',
        Data => {},
    );

    # no actions in action list
    #    $LayoutObject->Block(Name=>'ActionList');
    $LayoutObject->Block( Name => 'FilterTemplate' );
    $LayoutObject->Block( Name => 'FilterQueue' );
    $LayoutObject->Block( Name => 'OverviewResult' );

    my $StandardTemplateObject = $Kernel::OM->Get('Kernel::System::StandardTemplate');

    # get std template list
    my %StandardTemplateData = $StandardTemplateObject->StandardTemplateList(
        Valid => 1,
    );

    # if there are results to show
    if (%StandardTemplateData) {
        for my $StandardTemplateID ( sort keys %StandardTemplateData ) {
            my %Data = $StandardTemplateObject->StandardTemplateGet(
                ID => $StandardTemplateID,
            );

            my $TemplateTypeString = $Self->_TranslateStandardTemplateTemplateTypes(
                TemplateType => $Data{TemplateType}
            );

            $StandardTemplateData{$StandardTemplateID} = $TemplateTypeString . ' - ' . $Data{Name};
        }
        for my $StandardTemplateID (
            sort { uc( $StandardTemplateData{$a} ) cmp uc( $StandardTemplateData{$b} ) }
            keys %StandardTemplateData
            )
        {

            # set output class
            $LayoutObject->Block(
                Name => 'List1n',
                Data => {
                    Name      => $StandardTemplateData{$StandardTemplateID},
                    Subaction => 'Template',
                    ID        => $StandardTemplateID,
                },
            );
        }
    }

    # otherwise it displays a no data found message
    else {
        $LayoutObject->Block(
            Name => 'NoTemplatesFoundMsg',
            Data => {},
        );
    }

    # get queue data
    my %QueueData = $Kernel::OM->Get('Kernel::System::Queue')->QueueList( Valid => 1 );

    # if there are results to show
    if (%QueueData) {
        for my $QueueID ( sort { uc( $QueueData{$a} ) cmp uc( $QueueData{$b} ) } keys %QueueData ) {

            # set output class
            $LayoutObject->Block(
                Name => 'Listn1',
                Data => {
                    Name      => $QueueData{$QueueID},
                    Subaction => 'Queue',
                    ID        => $QueueID,
                },
            );
        }
    }

    # otherwise it displays a no data found message
    else {
        $LayoutObject->Block(
            Name => 'NoQueuesFoundMsg',
            Data => {},
        );
    }

    # return output
    return $LayoutObject->Output(
        TemplateFile => 'AdminQueueTemplates',
        Data         => \%Param,
    );
}

sub _TranslateStandardTemplateTemplateTypes {
    my ( $Self, %Param ) = @_;

    my $ConfigObject = $Kernel::OM->Get('Kernel::Config');
    my $LayoutObject = $Kernel::OM->Get('Kernel::Output::HTML::Layout');

    return if !$Param{TemplateType};

    my $TemplateTypeList = $ConfigObject->Get('StandardTemplate::Types');

    my @TemplateTypes = split( /\s*,\s*/, $Param{TemplateType} );
    my $TemplateTypeString;
    if ( scalar @TemplateTypes > 1 ) {
        for my $TemplateType (@TemplateTypes) {
            $TemplateTypeString
                .= $LayoutObject->{LanguageObject}->Translate( $TemplateTypeList->{$TemplateType} ) . ', ';
        }
        $TemplateTypeString =~ s{,\s$}{}g;
    }
    else {
        $TemplateTypeString = $LayoutObject->{LanguageObject}->Translate( $TemplateTypeList->{ $TemplateTypes[0] } );
    }

    return $TemplateTypeString;
}

1;
