<?php

// click stats per message
require_once dirname(__FILE__).'/accesscheck.php';

if (isset($_GET['id'])) {
    $id = sprintf('%d', $_GET['id']);
} else {
    $id = 0;
}
if (isset($_GET['start'])) {
    $start = sprintf('%d', $_GET['start']);
} else {
    $start = 0;
}

$addcomparison = 0;
$access = accessLevel('mviews');
//print "Access level: $access";
switch ($access) {
    case 'owner':
        $subselect = ' and owner = '.$_SESSION['logindetails']['id'];
        if ($id) {
            $allow = Sql_Fetch_Row_query(
                sprintf(
                    'select 
                        owner 
                    from 
                        %s 
                    where 
                        id = %d %s'
                , $GLOBALS['tables']['message']
                , $id
                , $subselect)
            );
            if ($allow[0] != $_SESSION['logindetails']['id']) {
                echo s('You do not have access to this page');

                return;
            }
        }
        $addcomparison = 1;
        break;
    case 'all':
        $subselect = '';
        break;
    case 'none':
    default:
        $subselect = ' where id = 0';
        echo s('You do not have access to this page');

        return;
        break;
}

$download = !empty($_GET['dl']);

if (!$id) {
    echo '<div id="contentdiv"></div>';
    echo asyncLoadContent('./?page=pageaction&action=mviews&ajaxed=true&id='.$id.'&start='.$start.addCsrfGetToken());

    return;
}

if ($download) {
    ob_end_clean();
//  header("Content-type: text/plain");
    header('Content-type: text/csv');
    ob_start();
}
echo '<p class="pull-left">'.PageLinkButton('statsoverview&id='.$id,
            s('Campaign statistics')).'</p>';

if (empty($start)) {
    echo '<p class="pull-right">'.PageLinkButton('mviews&dl=true&id='.$id.'&start='.$start,
            s('Download as CSV file')).'</p><div class="clearfix"></div>';
}

//print '<h3>'.s('View Details for a Message').'</h3>';
$messagedata = Sql_Fetch_Array_query(
    "SELECT 
        * 
    FROM 
        {$tables['message']} 
    WHERE 
        id = $id $subselect"
);
echo '<table class="mviewsDetails table table-bordered"><tr><td>' .
'<div class="twelve columns col-sm-12 col-lg-6"><b>'.s('Subject').': </b><i>'.$messagedata['subject'].'</i></div>'.
'<div class="clearfix hidden-lg"></div>'.
'<div class="six columns col-sm-8 col-lg-3"><b>'.s('Entered').': </b>'.formatDateTime($messagedata['entered']).'</div>'.
'<div class="six columns col-sm-4 col-lg-3"><b>'.s('Sent').': </b>'.formatDateTime($messagedata['sent']).'</div>'.
'</td></tr></table>';


if ($download) {
    header('Content-disposition:  attachment; filename="phpList Message open statistics for '.$messagedata['subject'].'.csv"');
}

$ls = new WebblerListing(s('Open statistics'));
$ls->setElementHeading(s('Subscriber'));

$req = Sql_Query(
    sprintf(
        'select 
            um.userid
        from 
            %s um
            , %s msg 
        where 
            um.messageid = %d 
            and um.messageid = msg.id 
            and um.viewed is not null %s
        group by 
            userid'
    , $GLOBALS['tables']['usermessage']
    , $GLOBALS['tables']['message']
    , $id
    , $subselect)
);

$total = Sql_Affected_Rows();
if (isset($start) && $start > 0) {
    $listing = s('Listing user %d to %d', $start, $start + MAX_OPENS_PP);
    $limit = "limit $start,".MAX_OPENS_PP;
} else {
    $listing = sprintf(s('Listing user %d to %d'), 1, MAX_OPENS_PP);
    $limit = 'limit 0,'.MAX_OPENS_PP;
    $start = 0;
    $limit = 'limit 0,'.MAX_OPENS_PP;
}

//# hmm, this needs more work, as it'll run out of memory, because it's building the entire
//# listing before pushing it out.
//# would be best to not have a limit, but putting one to avoid that
if ($download) {
    $limit = ' limit 100000';
}

if ($id) {
    $url_keep = '&amp;id='.$id;
} else {
    $url_keep = '';
}

if ($total) {
    $paging = simplePaging("mviews$url_keep", $start, $total, MAX_OPENS_PP, s('Entries'));
    $ls->usePanel($paging);
}

$req = Sql_Query(
    sprintf(
        'select 
            userid
            , email
            , um.entered as sent
            , min(um.viewed) as firstview
            , max(um.viewed) as lastview
            , count(um.viewed) as uniqueviews
            , msg.viewed as totalcampaignviews
            , abs(unix_timestamp(um.entered) - unix_timestamp(um.viewed)) as responsetime
        from 
            %s um
            , %s user
            , %s msg 
        where 
            um.messageid = %d 
            and um.messageid = msg.id 
            and um.userid = user.id 
            and um.status = "sent" 
            and um.viewed is not null 
            %s
        group by 
            userid
        order by
            lastview desc 
        %s'
        , $GLOBALS['tables']['usermessage']
        , $GLOBALS['tables']['user']
        , $GLOBALS['tables']['message']
        , $id
        , $subselect
        , $limit
    )
);

$summary = array();
while ($row = Sql_Fetch_Array($req)) {

    $allViewsReq = Sql_Query(
        sprintf(
            'select 
                * 
            from 
                %s 
            where 
                userid = %d 
                and messageid = %d 
            order by 
                viewed'
        , $GLOBALS['tables']['user_message_view']
        , $row['userid']
        , $id
    ));
    $totalSubscriberViews = Sql_Affected_Rows();
    if ($download) {
        //# with download, the 50 per page limit is not there.
        set_time_limit(60);
        $element = $row['email'];
        $separator = ',';
    } else {
        $element = shortenTextDisplay($row['email'], 35);
        $separator = '<br/>';
    }
    $ls->addElement($element, PageUrl2('user&amp;id='.$row['userid']));
    $ls->addColumn($element, s('Sent'), formatDateTime($row['sent'], 1));
    $ls->addColumn($element, s('Response time'), secs2time($row['responsetime']));

    if ($totalSubscriberViews > 0) {
        $ls->addColumn($element, s('Total views'), $totalSubscriberViews);
        $viewTimes = array();

        while ($row2 = Sql_Fetch_Assoc($allViewsReq)) {
            $viewTimes[] = formatDateTime($row2['viewed'], 1);
        }
        $ls->addColumn($element, s('Viewed'), implode($separator, $viewTimes));
    }
}
if ($download) {
    ob_end_clean();
    echo $ls->tabDelimited();
} else {
    echo $ls->display();
}