package NGCP::Panel::Controller::Root;
use Moose;
use namespace::autoclean;

BEGIN { extends 'Catalyst::Controller' }

use NGCP::Panel::Widget;

#
# Sets the actions in this controller to be registered with no prefix
# so they function identically to actions created in MyApp.pm
#
__PACKAGE__->config(namespace => '');

sub auto :Private {
    my($self, $c) = @_;

    $c->log->debug("*** Root::auto called");

    if($c->controller =~ /::Root\b/
        or $c->controller =~ /::Login\b/) {
        
        $c->log->debug("*** Root::auto grant access to " . $c->request->path);
        return 1;
    }
    
    unless($c->user_exists) {
        $c->log->debug("*** Root::auto user not authenticated");
        
        # don't redirect to login page for ajax uris
        if($c->request->path =~ /\/ajax$/) {
            $c->response->body("403 - Permission denied");
            $c->response->status(403);
            return;
        }
        
        # store uri for redirect after login
        my $target = undef;
        if($c->request->method eq 'GET') {
            if($c->request->uri !~ /\/logout$/) {
                $target = $c->request->uri;
            }
        } else {
            $target = $c->request->headers->referer;
        }
        $c->log->debug("*** Root::auto do login, target='$target'");
        $c->session(target => $target);
        $c->response->redirect($c->uri_for('/login'));
        return;
    }

    $c->log->debug("*** Root::auto grant access for authenticated user");

    # load top menu widgets
    my $plugin_finder = NGCP::Panel::Widget->new;
    my $topmenu_templates = [];
    foreach($plugin_finder->instantiate_plugins($c, 'topmenu_widgets')) {
        $_->handle($c);
        push @{ $topmenu_templates }, $_->template; 
    }
    $c->stash(topmenu => $topmenu_templates);

    return 1;
}

sub index :Path :Args(0) {
    my ( $self, $c ) = @_;

    $c->response->redirect($c->uri_for('/dashboard'));
}

sub default :Path {
    my ( $self, $c ) = @_;
    $c->detach( '/error_page' );
}

sub end : ActionClass('RenderView') {}

sub ajax_process_resultset :Private {

    my ($self,$c,@arguments) = @_;
    
    my ($rs,$columns,$searchable) = @arguments;

    #Process Arguments
    my $sEcho = int($c->request->params->{sEcho} // 1); #/
    # http://datatables.net/usage/server-side#sEcho
    my $sSearch        = $c->request->params->{sSearch} // "";     #/
    my $iDisplayStart  = $c->request->params->{iDisplayStart};
    my $iDisplayLength = $c->request->params->{iDisplayLength};
    my $iSortCol_0     = $c->request->params->{iSortCol_0};
    my $sSortDir_0     = $c->request->params->{sSortDir_0};

    if (defined $sSortDir_0) {
        if ('desc' eq lc $sSortDir_0) {
            $sSortDir_0 = 'desc';
        } else {
            $sSortDir_0 = 'asc';
        }
    }

    my $iIdOnTop       = $c->request->params->{iIdOnTop};

    
    #will contain final data to be sent
    my $aaData = [];
    
    my $totalRecords = $rs->count;

    if ($sSearch) {
        $rs = $rs->search([ map{ +{ $_ => { like => '%'.$sSearch.'%' } } } @$columns[@$searchable] ]);
    }

    my $totalDisplayRecords = $rs->count;
    
    #potentially selected Id as first element
    if (defined($iIdOnTop)) {
        my $topRow = $rs->find($iIdOnTop);
        if (defined($topRow)) {
            my %tmpTopRow      = $topRow->get_columns;
            my @tmpTopRowArray = @tmpTopRow{@$columns};
            push @$aaData, \@tmpTopRowArray;
            
            $rs = $rs->search({ 'me.id' => { '!=', $iIdOnTop}});
        }
    }
    
    #Sorting
    if(defined($iSortCol_0) && defined($sSortDir_0)) {
        my $sortdata = {
            order_by => {
                "-".$sSortDir_0 => $columns->[$iSortCol_0],
            }};
        $rs = $rs->search(undef, $sortdata);
    }
    
    #Pagination
    if (defined($iDisplayStart) && $iDisplayLength) {
        $rs = $rs->search(
            undef,
            {
                offset => $iDisplayStart,
                rows   => $iDisplayLength,
            });
    }
    
    for my $row ($rs->all) {
        my %tmpRow = $row->get_inflated_columns;
        my @aaRow = @tmpRow{@$columns};
        push @$aaData, \@aaRow;
    }
    
    $c->stash(
        aaData               => $aaData,
        iTotalRecords        => $totalRecords,
        iTotalDisplayRecords => $totalDisplayRecords
    );
    $c->stash(sEcho => $sEcho);

}

sub error_page :Private {
    my ($self,$c) = @_;
    
    $c->log->info( 'Failed to find: ' . $c->request->path );
    $c->stash(template => 'error_page.tt');
    #$c->response->body( 'Page not found' );
    $c->response->status(404);
}

sub denied_page :Private {
    my ($self,$c) = @_;
    
    $c->log->info('Access to path denied: ' . $c->request->path );
    $c->stash(template => 'denied_page.tt');
    $c->response->status(403);
}

__PACKAGE__->meta->make_immutable;

1;

__END__

=head1 NAME

NGCP::Panel::Controller::Root - Root Controller for NGCP::Panel

=head1 DESCRIPTION

[enter your description here]

=head1 METHODS

=head2 auto

Verify user is logged in.
Check user roles.
Load top menu widgets.

=head2 index

The root page (/)

=head2 default

Standard 404 error page

=head2 end

Attempt to render a view, if needed.

=head2 ajax_process_resultset

Processes a L<ResultSet|DBIx::Class::ResultSet> and prepares data from other controllers to be used
with the JSON view. The items exposed to stash are namely:

* sEcho
* aaData
* iTotalRecords
* iTotalDisplayRecords

They are intended for use with datatables.

Arguments: $resultset, \@columns, \@searchable

=head2 error_page

should be called if the intended page could not be found (404).

=head1 AUTHOR

Andreas Granig,,,

=head1 LICENSE

This library is free software. You can redistribute it and/or modify
it under the same terms as Perl itself.

=cut

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