<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage web
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2020 Observium Limited
 *
 */

if ($_SESSION['userlevel'] < 5)
{
  print_error_permission();
  return;
}

// Export or save templates
$templates_export = FALSE;
if      ($vars['saveas'] == 'yes') { $templates_export = $vars['filename']; }
else if ($vars['export'] == 'yes') { $templates_export = 'print'; }
unset($vars['export'], $vars['saveas'], $vars['filename']);

include($config['html_dir']."/includes/alerting-navbar.inc.php");

// Page to display list of configured alert checks

$alert_check = cache_alert_rules($vars);
#$alert_assoc = cache_alert_assoc($vars);
$where = ' WHERE 1' . generate_query_permitted(array('alert'));

// Build header menu

foreach (dbFetchRows("SELECT * FROM `alert_assoc` WHERE 1") as $entry)
{
  $alert_assoc[$entry['alert_test_id']][$entry['alert_assoc_id']]['entity_type'] = $entry['entity_type'];
  $alert_assoc[$entry['alert_test_id']][$entry['alert_assoc_id']]['entity_attribs'] = safe_json_decode($entry['entity_attribs']);
  $alert_assoc[$entry['alert_test_id']][$entry['alert_assoc_id']]['device_attribs'] = safe_json_decode($entry['device_attribs']);
}

$navbar['class'] = "navbar-narrow";
$navbar['brand'] = "Alert Checks";

$types = dbFetchRows("SELECT DISTINCT `entity_type` FROM `alert_table`" . $where);
$types_count = count($types);

$navbar['options']['all']['url'] = generate_url($vars, array('page' => 'alert_checks', 'entity_type' => NULL));
$navbar['options']['all']['text'] = escape_html(nicecase('all'));
if (!isset($vars['entity_type'])) {
  $navbar['options']['all']['class'] = "active";
  $navbar['options']['all']['url'] = generate_url($vars, array('page' => 'alert_checks', 'entity_type' => NULL));
}

foreach ($types as $thing)
{
  if ($vars['entity_type'] == $thing['entity_type'])
  {
    $navbar['options'][$thing['entity_type']]['class'] = "active";
    $navbar['options'][$thing['entity_type']]['url'] = generate_url($vars, array('page' => 'alert_checks', 'entity_type' => NULL));
  } else {
    if ($types_count > 6)   { $navbar['options'][$thing['entity_type']]['class'] = "icon"; }
    $navbar['options'][$thing['entity_type']]['url'] = generate_url($vars, array('page' => 'alert_checks', 'entity_type' => $thing['entity_type']));
  }
  $navbar['options'][$thing['entity_type']]['icon'] = $config['entities'][$thing['entity_type']]['icon'];
  $navbar['options'][$thing['entity_type']]['text'] = escape_html(nicecase($thing['entity_type']));
}

$navbar['options']['export']['text']  = 'Export';
$navbar['options']['export']['icon']  = $config['icon']['export'];
$navbar['options']['export']['url']   = generate_url($vars, array('page' => 'alert_checks', 'export' => 'yes'));
$navbar['options']['export']['right'] = TRUE;
$navbar['options']['export']['userlevel'] = 7;

// Print out the navbar defined above
print_navbar($navbar);

// Generate contacts cache array for use in table
$contacts = [];
$sql = "SELECT * FROM `alert_contacts_assoc` LEFT JOIN `alert_contacts` ON `alert_contacts`.`contact_id` = `alert_contacts_assoc`.`contact_id`";
$contacts_db = dbFetchRows($sql, $params);
foreach($contacts_db as $db_contact) { $contacts[$db_contact['alert_checker_id']][] = $db_contact; }

if ($templates_export)
{
  //r($alert_check);
  //r($alert_assoc);
  // Export alert checkers as templates
  $for_export = array();
  foreach ($alert_check as $id => $entry)
  {
    foreach ($alert_assoc[$id] as $assoc)
    {
      // Multiple association sets (device+entity)
      $entry['associations'][] = $assoc;
    }
    $for_export[] = $entry;
  }
  $templates_xml = generate_templates('alert', $for_export);

  if ($templates_export == 'print')
  {
    $templates_filename = 'observium_templates_alert_';
    if ($vars['entity_type'])
    {
      $templates_filename .= $vars['entity_type'];
    } else{
      $templates_filename .= 'all';
    }
    $form = array('type'  => 'rows',
                  'space' => '10px',
                  'url'   => generate_url($vars));
    // Filename
    $form['row'][0]['filename'] = array(
                                    'type'        => 'text',
                                    'name'        => 'Filename',
                                    'value'       => $templates_filename . '.xml',
                                    'grid_xs'     => 8,
                                    'width'       => '100%',
                                    'placeholder' => TRUE);
    // Save as human formatted XML
    $form['row'][0]['formatted'] = array(
                                    'type'        => 'select',
                                    'grid_xs'     => 4,
                                    'value'       => (class_exists('DOMDocument') ? 'yes' : 'no'),
                                    'values'      => array('yes' => 'Formatted',
                                                           'no'  => 'Unformatted'));
    // search button
    $form['row'][0]['saveas']   = array(
                                    'type'        => 'submit',
                                    'name'        => 'Save as..',
                                    'icon'        => 'icon-save',
                                    'right'       => TRUE,
                                    'value'       => 'yes'
                                    );
    print_form($form);

    print_xml($templates_xml);
    //r(xml_to_array($templates_xml));
  } else {
    $templates_filename = $templates_export;
    download_as_file($templates_xml, $templates_filename, $vars);
  }

  unset($for_export, $templates_xml, $templates_export, $templates_filename, $form);
}

foreach (dbFetchRows("SELECT * FROM `alert_table`" . $where) as $entry)
{
  $alert_table[$entry['alert_test_id']][$entry['alert_table_id']] = $entry;
}

  echo generate_box_open();

  echo '<table class="table table-striped table-hover">
  <thead>
    <tr>
    <th class="state-marker"></th>
    <th style="width: 1px;"></th>
    <th style="width: 250px">Name</th>
    <th style="width: 40px"></th>
    <th style="width: 300px">Tests</th>
    <th>Device Match / Entity Match</th>
    <th style="width: 40px">Entities</th>
    </tr>
  </thead>
  <tbody>', PHP_EOL;

// FIXME -- make sort order configurable

$alert_check = array_sort($alert_check, 'alert_name');

foreach ($alert_check as $check)
{

  // Process the alert checker to add classes and colours and count status.
  humanize_alert_check($check);

  echo('<tr class="'.$check['html_row_class'].'">');

  echo('
    <td class="state-marker"></td>
    <td style="width: 1px;"></td>');

  // Print the conditions applied by this alert

  echo '<td><strong>';
  echo '<a href="', generate_url(array('page' => 'alert_check', 'alert_test_id' => $check['alert_test_id'])), '">' . escape_html($check['alert_name']). '</a></strong><br />';
  echo '<small>',escape_html($check['alert_message']),'</small>';
  echo '</td>';

  echo '<td><i class="' . $config['entities'][$check['entity_type']]['icon'] . '"></i></td>';

  // Loop the tests used by this alert
  echo '<td>';
  $text_block = array();
  //r($check);
  foreach ($check['conditions'] as $condition)
  {
    $text_block[] = escape_html($condition['metric'].' '.$condition['condition'].' '.$condition['value']);
  }
  echo('<span class="label">'.($check['and'] ? 'ALL' : 'ANY').'</span><br />');
  echo('<code>'.implode('<br />', $text_block).'</code>');
  echo('</td>');

  echo('<td>');

  if(!is_null($check['alert_assoc']))
  {

     $check['assoc'] = safe_json_decode($check['alert_assoc']);
     echo render_qb_rules($check['entity_type'], $check['assoc']);

  } else {

     echo generate_box_open();
     echo('<table class="table table-condensed-more table-striped" style="margin-bottom: 0px;">');

     // Loop the associations which link this alert to this device
     foreach ($alert_assoc[$check['alert_test_id']] as $assoc_id => $assoc)
     {

        echo('<tr>');
        echo('<td style="width: 50%">');
        if (is_array($assoc['device_attribs']))
        {
           $text_block = array();
           foreach ($assoc['device_attribs'] as $attribute)
           {
              $text_block[] = escape_html($attribute['attrib'] . ' ' . $attribute['condition'] . ' ' . $attribute['value']);
           }
           echo('<code>' . implode('<br />', $text_block) . '</code>');
        }
        else
        {
           echo '<code>*</code>';
        }

        echo('</td>');

        echo('<td>');
        if (is_array($assoc['entity_attribs']))
        {
           $text_block = array();
           foreach ($assoc['entity_attribs'] as $attribute)
           {
              $text_block[] = escape_html($attribute['attrib'] . ' ' . $attribute['condition'] . ' ' . $attribute['value']);
           }
           echo('<code>' . implode('<br />', $text_block) . '</code>');
        }
        else
        {
           echo '<code>*</code>';
        }
        echo('</td>');

        echo('</tr>');

     }
     // End loop of associations

     echo '</table>';
     echo generate_box_close();
  }
  echo '</td>';

  // Print the count of entities this alert applies to and a popup containing a list and Print breakdown of entities by status.
  // We assume each row here is going to be two lines, so we just <br /> them.
  echo '<td style="text-align: right;">';
  #echo overlib_link('#', count($entities), $entities_content,  NULL));
  echo '<span class="label label-primary">', $check['num_entities'], '</span>&nbsp;';
  //echo '<br />';
  echo $check['status_numbers'];

  echo '<br />';

  if ($notifiers_count = safe_count($contacts[$check['alert_test_id']]))
  {
    $content = "";
    foreach($contacts[$check['alert_test_id']] as $contact) { $content .= '<span class="label">'.$contact['contact_method'].'</span> '.$contact['contact_descr'].'<br />'; }
    echo generate_tooltip_link('', '<span class="label label-success">'.$notifiers_count.' Notifiers</span>', $content);
  } else {
    echo '<span class="label label-primary">Default Notifier</span>';
  }

  echo '</td>';

}

echo '</table>';

echo generate_box_close();

register_html_title('Alert checkers');

// EOF