<?php

$pdf->AddPage('L');


    $where = "1";
    if (is_numeric($_GET['device_id'])) {
        $where .= ' AND E.device_id = ?';
        $param[] = $_GET['device_id'];
    }
    if ($_GET['string']) {
        $where .= " AND R.rule LIKE ?";
        $param[] = "%".$_GET['string']."%";
    }

    if ($_SESSION['userlevel'] >= '5') {
        $query = " FROM `alert_log` AS E LEFT JOIN devices AS D ON E.device_id=D.device_id RIGHT JOIN alert_rules AS R ON E.rule_id=R.id WHERE $where ORDER BY `humandate` DESC";
    } else {
        $query = " FROM `alert_log` AS E LEFT JOIN devices AS D ON E.device_id=D.device_id RIGHT JOIN alert_rules AS R ON E.rule_id=R.id RIGHT JOIN devices_perms AS P ON E.device_id = P.device_id WHERE $where AND P.user_id = ? ORDER BY `humandate` DESC";
        $param[] = $_SESSION['user_id'];
    }

    if (isset($_GET['start']) && is_numeric($_GET['start'])) {
        $start = mres($_GET['start']);
    } else {
        $start = 0;
    }

    if (isset($_GET['results']) && is_numeric($_GET['results'])) {
        $numresults = mres($_GET['results']);
    } else {
        $numresults = 250;
    }

    $full_query = "SELECT D.device_id,name,state,time_logged,DATE_FORMAT(time_logged, '%D %b %Y %T') as humandate $query LIMIT $start,$numresults";

    foreach (dbFetchRows($full_query, $param) as $alert_entry) {
        $hostname = gethostbyid(mres($alert_entry['device_id']));
        $alert_state = $alert_entry['state'];

        if ($alert_state!='') {
            if ($alert_state=='0') {
                $glyph_color = 'green';
                $text = 'Ok';
            } elseif ($alert_state=='1') {
                $glyph_color = 'red';
                $text = 'Alert';
            } elseif ($alert_state=='2') {
                $glyph_color = 'lightgrey';
                $text = 'Ack';
            } elseif ($alert_state=='3') {
                $glyph_color = 'orange';
                $text = 'Worse';
            } elseif ($alert_state=='4') {
                $glyph_color = 'khaki';
                $text = 'Better';
            }
            $data[] = array($alert_entry['time_logged'],$hostname,htmlspecialchars($alert_entry['name']),$text);
        }
    }

$header = array('Datetime', 'Device', 'Log', 'Status');

$table = <<<EOD
<table border="1" cellpadding="0" cellspacing="0" align="center">
    <tr nobr="true" bgcolor="#92b7d3">
        <th>Datetime</th>
        <th>Device</th>
        <th>Log</th>
        <th>Status</th>
    </tr>
EOD;

foreach ($data as $log) {
    if ($log[3] == 'Alert') {
        $tr_col = '#d39392';
    } else {
        $tr_col = '#bbd392';
    }
    $table .= '
    <tr nobr="true" bgcolor="'.$tr_col.'">
        <td>'.$log[0].'</td>
        <td>'.$log[1].'</td>
        <td>'.$log[2].'</td>
        <td>'.$log[3].'</td>
    </tr>
    ';
}

$table .= <<<EOD
</table>
EOD;

$pdf->writeHTML($table, true, false, false, false, '');