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<& /Admin/Elements/Header, Title => $title &>
<& /Elements/Tabs &>

% $m->callback(CallbackName => 'BeforeActionList', %ARGS, Actions => \@results, ARGSRef => \%ARGS, Group => $Group);

<& /Elements/ListActions, actions => \@results &>

<form action="<% RT->Config->Get('WebPath') %>/Admin/Groups/Members.html" method="post">
<input type="hidden" class="hidden" name="id" value="<%$Group->Id%>" />
<input type="hidden" class="hidden" name="Rows" value="<% $Rows %>" />
<input type="hidden" class="hidden" name="Page" value="<% $Page %>" />

% $m->callback(CallbackName => 'BeforeEditMembership', %ARGS, Actions => \@results, ARGSRef => \%ARGS, Group => $Group);

<&| /Widgets/TitleBox, title => loc('Editing membership for group [_1]', $Group->Label) &>

<div class="form-row">
  <div class="col-6">
    <h3><&|/l&>Current members</&></h3>

% if ($Group->MembersObj->Count == 0 ) {
      <em><&|/l&>(No members)</&></em>
% } else {
      <h4><&|/l&>Users</&></h4>
% my $Users = $Group->UserMembersObj( Recursively => 0 );
% $Users->RowsPerPage($Rows);
% $Users->GotoPage($Page - 1);
      <ul class="list-group list-group-compact">
% while ( my $user = $Users->Next ) {
% $UsersSeen{ $user->id } = 1 if $SkipSeenUsers;
% my $id = 'DeleteMember-' . $user->PrincipalObj->Id;
        <li class="list-group-item">
          <div class="custom-control custom-checkbox">
            <input type="checkbox" class="checkbox custom-control-input" id="<% $id %>" name="<% $id %>" value="1" />
            <label class="custom-control-label" for="<% $id %>"><& /Elements/ShowUser, User => $user &></label>
          </div>
        </li>
% }
      </ul>
      <h4><&|/l&>Groups</&></h4>
      <ul class="list-group list-group-compact">
% my $Groups = $Group->GroupMembersObj( Recursively => 0 );
% $Groups->RowsPerPage($Rows);
% $Groups->GotoPage($Page - 1);
% while ( my $group = $Groups->Next ) {
% $GroupsSeen{ $group->id } = 1 if $SkipSeenGroups;
% my $id= 'DeleteMember-' .  $group->id;
      <li class="list-group-item">
        <div class="custom-control custom-checkbox">
          <input type="checkbox" class="checkbox custom-control-input" id="<% $id%>" name="<% $id %>" value="1" />
          <label class="custom-control-label" for="<% $id %>">
            <a href="<% RT->Config->Get('WebPath') %>/Admin/Groups/Modify.html?id=<% $group->id %>"><% $group->Name %></a>
          </label>
        </div>
      </li>
% }
      </ul>
      <em><&|/l&>(Check box to delete)</&></em>
% }

  </div>
  <div class="col-6">
    <h3><&|/l&>Add members</&></h3>
    <& /Admin/Elements/SelectNewGroupMembers, Name => "AddMembers", Group => $Group,
        SkipUsers => \%UsersSeen, SkipGroups => \%GroupsSeen &>
  </div>
</div>

% if ( $Pages ) {
    <& /Elements/CollectionListPaging,
        BaseURL     => '?',
        Rows        => $Rows,
        TotalFound  => $TotalFound,
        CurrentPage => $Page,
        Pages       => $Pages,
        URLParams   => { map { $_ => $ARGS{$_} } qw/id Rows Page/ },
    &>
% }

</&>
  <div class="form-row">
    <div class="col-12">
      <& /Elements/Submit, Label => loc('Modify Members'), Reset => 1 &>
    </div>
  </div>
</form>


<%INIT>

my $Group = RT::Group->new($session{'CurrentUser'});
$Group->Load($id) || Abort(loc('Could not load group'));

my $title = loc("Modify the group [_1]", $Group->Label);

my (%UsersSeen, %GroupsSeen);
$GroupsSeen{ $Group->id } = 1; # can't be a member of ourself

my (@results);

$m->callback(
    CallbackName        => 'BeforeProcessArguments',
    ARGSRef             => \%ARGS,
    GroupObj            => $Group,
    Actions             => \@results,
    AddMembersUsersRef  => \@AddMembersUsers,
    AddMembersGroupsRef => \@AddMembersGroups,
);

# XXX: safe member id in value instead of name
foreach my $key (keys %ARGS) {
    next unless $key =~ /^DeleteMember-(\d+)$/;

    my ($val,$msg) = $Group->DeleteMember($1);
    push (@results, $msg);
}

# Process new users
foreach my $member (grep $_, @AddMembersUsers) {
    my $principal;
    my $user = RT::User->new($session{'CurrentUser'});

    if ($member =~ /^User-(\d+)$/) {
        # Old style, using id
        my ($ret, $msg) = $user->Load($1);
        if ( $ret ){
            $principal = $user->PrincipalObj;
        }
        else {
            RT::Logger->error("Unable to load user with id $1: $msg");
        }
    }
    else {
        # Accept username or email address
        my $msg;
        ($principal, $msg) = RT->System->CanonicalizePrincipal( User => $member );
        RT::Logger->error("Unable to load principal: $msg") unless $principal;
    }

    if ( $principal and $principal->Id ){
        my ($val, $msg) = $Group->AddMember($principal->Id);
        push (@results, $msg);
    }
    else {
        push (@results, "Unable to load user $member");
    }
}

# Process new groups
foreach my $member (grep $_, @AddMembersGroups) {
    my $principal = RT::Group->new($session{'CurrentUser'});

    if ($member =~ /^Group-(\d+)$/) {
        # Old style, using id
        $principal->Load($1);
    } else {
        # New style, just a group name
        $principal->LoadUserDefinedGroup($member);
    }

    my ($val, $msg) = $Group->AddMember($principal->PrincipalId);
    push (@results, $msg);
}

$m->callback( CallbackName => 'AfterUpdate', %ARGS, Actions => \@results, ARGSRef => \%ARGS, Group => $Group );

$Rows ||= 50;
$Page ||= 1;
my $TotalFound = $Group->UserMembersObj( Recursively => 0 )->Count;
if ( my $group_count = $Group->GroupMembersObj( Recursively => 0 )->Count ) {
    $TotalFound = $group_count if $TotalFound < $group_count;
}

my $Pages;
if ( $TotalFound && $TotalFound > $Rows ) {
    $Pages = int( $TotalFound / $Rows ) + ( $TotalFound % $Rows ? 1 : 0 );
    # This could happen if admin deletes records on the last page.
    $Page = $Pages if $Page > $Pages;
}
else {
    $Page = 1;
}
</%INIT>

<%ARGS>
@AddMembersUsers  => ()
@AddMembersGroups => ()
$id => undef
$SkipSeenUsers => 1
$SkipSeenGroups => 1
$Rows => RT->Config->Get('AdminSearchResultRows')->{Users}
$Page => 1
</%ARGS>
