package WebGUI::Asset::Wobject::NewsletterCollection;

use strict;
use warnings;

use Class::C3;

use base qw{
    WebGUI::AssetAspect::Mailable 
    WebGUI::Asset::Wobject
};

#----------------------------------------------------------------------------
sub canSubscribe {
    my $self = shift;

    return !$self->session->user->isVisitor && !$self->isSubscribed;
}

#----------------------------------------------------------------------------
sub canUnsubscribe {
    my $self = shift;

    return !$self->session->user->isVisitor && $self->isSubscribed;
}

##----------------------------------------------------------------------------
#sub configureMailingForm {
#    my $self    = shift;
#    my $f       = $self->next::method;
#
#    tie my %issues, 'Tie::IxHash', (
#        ''  => 'Choose issue...',
#        map     { $_->getId => $_->getTitle } 
#                @{ $self->getIssues }
#    );
#    
#    $f->selectBox(
#        name    => 'issue',
#        label   => 'Issue',
#        options => $self->getIssues
#    );
#
#    return $f;
#}

#----------------------------------------------------------------------------
sub definition {
    my $class      = shift;
    my $session    = shift;
    my $definition = shift;
    my $i18n       = WebGUI::International->new( $session, 'Asset_NewsletterCollection' );

    tie my %properties, 'Tie::IxHash', (
    );
    
    push @{ $definition }, {
        assetName         => $i18n->echo('newsletter'),
        icon              => 'newWobject.gif',
        autoGenerateForms => 1,
        tableName         => 'NewsletterCollection',
        className         => 'WebGUI::Asset::Wobject::NewsletterCollection',
        properties        => \%properties
    };

    return $class->SUPER::definition( $session, $definition );
}

#----------------------------------------------------------------------------
sub getIssues {
    my $self    = shift;

    my $issues  = $self->getLineage( [ 'children' ], {
        returnObjects   => 1,
        orderByClause   => 'revisionDate desc',
    } );
    
    return $issues;
}

#----------------------------------------------------------------------------
sub getRecipients {
    my $self    = shift;
    my $db      = $self->session->db;

    my @subscribers = $db->buildArray( 'select userId from NewsletterCollection_subscriptions where assetId=?', [
        $self->getId,
    ] );

    return \@subscribers;
}

#----------------------------------------------------------------------------
sub generateEmailContent {
    my $self    = shift;
    my $issueId = shift;
    my $session = $self->session;
    my $form    = $session->form;

    my $issue   = WebGUI::Asset->newByDynamicClass( $session, $issueId );

    return "Invalid issueId [$issueId]" unless $issue;

    $issue->prepareView;
    return $issue->view;
}

#----------------------------------------------------------------------------
sub isSubscribed {
    my $self    = shift;
    my $userId  = shift || $self->session->user->getId;
    my $db      = $self->session->db;

    return $db->quickScalar( 'select 1 from NewsletterCollection_subscriptions where assetId=? and userId=?', [ 
        $self->getId,
        $userId,
    ] );
}

##----------------------------------------------------------------------------
#sub prepareView {
#    my $self = shift;
#    $self->SUPER::prepareView();
#    my $template = WebGUI::Asset::Template->new( $self->session, $self->get("templateIdView") );
#    $template->prepare($self->getMetaDataAsTemplateVariables);
#    $self->{_viewTemplate} = $template;
#}

#----------------------------------------------------------------------------
sub view {
    my $self    = shift;
    my $session = $self->session;

    my $output  = $self->getToolbar if $session->var->isAdminOn;

    my $issues  = $self->getIssues;
    return $output . "No issues yet" unless scalar @{ $issues };

    $output .= $self->isSubscribed 
             ? '<p><a href="' . $self->getUrl( 'func=unsubscribe' ) . '">Unsubscribe</a></p>'
             : '<p><a href="' . $self->getUrl( 'func=subscribe' )   . '">Subscribe</a></p>'
             ; 

    $output .= '<p>Issues: <ul>';
    $output .=
        join    '',
        map     { 
                    '<li>'
                        .'<a href="' . $_->getUrl . '">' . $_->get('title') . '</a>'
                        .' :: '
                        .' <a href="' .$self->getUrl('func=previewEmail;issueId='.$_->getId.';userId=3').'">preview</a>'
                    .'</li>' 
                }
                @{ $issues };
    $output .= '</ul></p>';

    $issues->[0]->prepareView;
    $output .= $issues->[0]->view;

    return $output;
}

#----------------------------------------------------------------------------
sub subscribe {
    my $self    = shift;
    my $userId  = shift || $self->session->user->getId;
    my $db      = $self->session->db;

    $db->write( 'replace into NewsletterCollection_subscriptions set assetId=?, userId=?', [
        $self->getId,
        $userId,
    ] );

    return;
}

#----------------------------------------------------------------------------
sub unsubscribe {
    my $self    = shift;
    my $userId  = shift || $self->session->user->getId;
    my $db      = $self->session->db;

    $db->write( 'delete from NewsletterCollection_subscriptions where assetId=? and userId=?', [
        $self->getId,
        $userId,
    ] );

    return;
}

#----------------------------------------------------------------------------
sub www_subscribe {
    my $self    = shift;

    if ( $self->canSubscribe ) {
        $self->subscribe;
    }

    return $self->www_view;
}

#----------------------------------------------------------------------------
sub www_unsubscribe {
    my $self    = shift;

    if ( $self->canUnsubscribe ) {
        $self->unsubscribe;
    }

    return $self->www_view;
}

1;