package WebGUI::Mailing::Bounce;

use strict;
use warnings;

use WebGUI::Mailing::Admin;

#----------------------------------------------------------------------------
sub bounceScoreOk {
    my $self    = shift;
    my $address = shift;
    my $setting = $self->session->setting;

    my $threshold = $setting->get('newsletterBounceScoreThreshold');
    return 1 unless $threshold;

    return $self->getBounceScore( $address ) < $threshold;
}

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

    my $it = WebGUI::Mailing::Email->getAllIterator( $session, {
        constraints => [
            { 'sentTo=?'    => [ $address   ] },
            { 'status<>?'   => [ 'queued'   ] },
        ],
        orderBy     => 'sendDate desc',
        limit       => 10,
    } );

    my $score = 0;
    while ( my $email = $it->() ) {
        $score += 1 if $email->get('status') eq 'bounced';
    }

    return $score;
}

#----------------------------------------------------------------------------
sub new {
    my $class   = shift;
    my $session = shift;

    bless { _session => $session }, $class;
}

#----------------------------------------------------------------------------
sub session {
    return (shift)->{ _session };
}

#----------------------------------------------------------------------------
sub www_bounceReport {
    my $self    = shift;
    my $session = $self->session;
    my $db      = $session->db;
    my $i18n    = WebGUI::International->new( $session, 'MailingManager' );

    my $windowSize = 10;

    my $sql = <<EOSQL;
    select
        sentTo,
        count(status),
        bounceReason,
        errorMessage
    from
        Mailing_email as t1
    where
        status='bounced'
    and
        (
            (select count(*) from Mailing_email as t2 where t1.sentTo=t2.sentTo) < ?
        or
            (select lastUpdated from Mailing_email as t2 where t1.sentTo=t2.sentTo order by lastUpdated desc limit ?,1 )
        )
    group by
        sentTo
    order by
        sentTo, lastUpdated
EOSQL

    my $sth = $db->read( $sql, [ $windowSize, $windowSize - 1 ] );

    my $output = '<div class="yui-skin-sam"><div id="tableWrapper"><table id="bounceScoreTable"><thead><tr><th>'
        . join( '</th><th>',
            $i18n->get('email'),
            $i18n->get('bounce score'),
            $i18n->get('bounce reason'),
            $i18n->get('bounce message')
        )
        . '</th></tr></thead><tbody>';
    while ( my $values = $sth->arrayRef ) {
        $output .= '<tr><td>'. join( '</td><td>', @$values ) . '</td></tr>';
    }
    $output .= '</tbody></table></div></div>';

    $self->addBounceScoreTableJS;

    return WebGUI::Mailing::Admin->new( $session )->getAdminConsole->render( $output, $i18n->get( 'bounce scores' ) );
}

sub addBounceScoreTableJS {
    my $self    = shift;
    my ($style, $url) = $self->session->quick( qw{ style url } );
    my $i18n    = WebGUI::International->new( $self->session, 'MailingManager' );

    my $emailLabel  = $i18n->get('email');
    my $scoreLabel  = $i18n->get('bounce score');
    my $reasonLabel = $i18n->get('bounce reason');
    my $messageLabel= $i18n->get('bounce message');

    my $js = <<EOJS;
    <script type="text/javascript">
    //<!--
        YAHOO.util.Event.onDOMReady( function () {
            var columnDefs = [
                { key : "email",            label : "$emailLabel",      sortable : true },
                { key : "bounceScore",      label : "$scoreLabel",      sortable : true },
                { key : "bounceReason",     label : "$reasonLabel",     sortable : true },
                { key : "bounceMessage",    label : "$messageLabel",    sortable : true }
            ];

            var ds              = new YAHOO.util.DataSource( YAHOO.util.Dom.get('bounceScoreTable') );
            ds.responseType     = YAHOO.util.DataSource.TYPE_HTMLTABLE;
            ds.responseSchema   = {
                fields: [
                    { key : 'email'                             },
                    { key : 'bounceScore',  parser : 'number'   },
                    { key : 'bounceReason'                      },
                    { key : 'bounceMessage'                     }
                ]
            };

            var dt = new YAHOO.widget.DataTable( 'tableWrapper', columnDefs, ds, {
                sortedBy    : {
                    key : 'bounceScore',
                    dir : 'desc'
                }
            } );
        } );
    //-->
    </script>
EOJS

    $style->setLink(   $url->extras('yui/build/datatable/assets/skins/sam/datatable.css'),  { type => 'text/css', rel => 'stylesheet' } );
    $style->setScript( $url->extras('yui/build/yahoo-dom-event/yahoo-dom-event.js'),        { type => 'text/javascript' } );
    $style->setScript( $url->extras('yui/build/element/element-min.js'),                    { type => 'text/javascript' } );
    $style->setScript( $url->extras('yui/build/datasource/datasource-min.js'),              { type => 'text/javascript' } );
    $style->setScript( $url->extras('yui/build/datatable/datatable-min.js'),                { type => 'text/javascript' } );
    $style->setRawHeadTags( $js );

    return;
}


1;