<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage web
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2022 Observium Limited
 *
 */

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

$form_items = [];
$form_limit = 250; // Limit count for multiselect (use input instead)

$form_devices = dbFetchColumn('SELECT DISTINCT `device_id` FROM `bgpPeers`;');
$form_items['devices'] = generate_form_values('device', $form_devices);
//r($form_items['devices']);

$param  = 'peer_as';
$column = 'bgpPeerRemoteAs';
// fast query 0.0015, 0.0020, 0.0017
$query = 'SELECT COUNT(DISTINCT `' . $column . '`) FROM `bgpPeers` WHERE 1 ' . $cache['where']['devices_permitted'];
$count = dbFetchCell($query);
if ($count < $form_limit) {
  $form_items[$param] = []; // Set
  // slow query: 0.0093, 0.0125, 0.0063
  $query = 'SELECT DISTINCT `' . $column . '`, `astext` FROM `bgpPeers` WHERE 1 ' . $cache['where']['devices_permitted'] . ' ORDER BY `' . $column . '`';
  foreach (dbFetchRows($query) as $entry) {
    if (safe_empty($entry[$column])) { continue; }

    $form_items[$param][$entry[$column]]['name']    = 'AS'.$entry[$column];
    $form_items[$param][$entry[$column]]['subtext'] = $entry['astext'];
  }
}

$form_params = [
  'local_ip' => 'bgpPeerLocalAddr',
  'peer_ip'  => 'bgpPeerRemoteAddr',
  //'peer_as'  => 'bgpPeerRemoteAs',
];

foreach ($form_params as $param => $column) {
  $query = 'SELECT COUNT(DISTINCT `' . $column . '`) FROM `bgpPeers` WHERE 1 ' . $cache['where']['devices_permitted'];
  $count = dbFetchCell($query);
  if ($count < $form_limit) {
    $query = 'SELECT DISTINCT `' . $column . '` FROM `bgpPeers` WHERE 1 ' . $cache['where']['devices_permitted'] . ' ORDER BY `' . $column . '`';
    foreach (dbFetchColumn($query) as $entry) {
      if (safe_empty($entry)) { continue; }

      if (str_contains($entry, ':')) {
        $form_items[$param][$entry]['group'] = 'IPv6';
        $form_items[$param][$entry]['name']  = ip_compress($entry);
      } else {
        $form_items[$param][$entry]['group'] = 'IPv4';
        $form_items[$param][$entry]['name']  = escape_html($entry);
      }
    }
  }
}

$form = [
  'type'  => 'rows',
  'space' => '5px',
  'submit_by_key' => TRUE,
  'url'   => generate_url($vars)
];
$form['row'][0]['device']   = [
  'type'        => 'multiselect',
  'name'        => 'Local Device',
  'width'       => '100%',
  'value'       => $vars['device'],
  'values'      => $form_items['devices']
];
$param  = 'local_ip';
$param_name = 'Local address';
foreach ([ 'local_ip' => 'Local address',
           'peer_ip'  => 'Peer address',
           'peer_as'  => 'Remote AS' ] as $param => $param_name) {
  if (isset($form_items[$param])) {
    // If not so much item values, use multiselect
    $form['row'][0][$param] = [
      'type'        => 'multiselect',
      'name'        => $param_name,
      'width'       => '100%',
      'value'       => $vars[$param],
      'values'      => $form_items[$param]
    ];
  } else {
    // Instead, use input with autocomplete
    $form['row'][0][$param] = [
      'type'        => 'text',
      'name'        => $param_name,
      'width'       => '100%',
      'placeholder' => TRUE,
      'ajax'        => TRUE,
      'ajax_vars'   => [ 'field' => 'bgp_'.$param ],
      'value'       => $vars[$param]
    ];
  }
}

$form['row'][0]['type'] = [
  'type'        => 'select',
  'name'        => 'Type',
  'width'       => '100%',
  'value'       => $vars['type'],
  'values'      => [ '' => 'All', 'internal' => 'iBGP', 'external' => 'eBGP' ]
];

// search button
$form['row'][0]['search']   = [
  'type'        => 'submit',
  //'name'        => 'Search',
  //'icon'        => 'icon-search',
  'right'       => TRUE
];

$panel_form = [
  'type'          => 'rows',
  'title'         => 'Search BGP',
  'space'         => '10px',
  'submit_by_key' => TRUE,
  'url'           => generate_url($vars)
];

$panel_form['row'][0]['device']         = $form['row'][0]['device'];
//$panel_form['row'][0]['device']['grid'] = 6;
$panel_form['row'][0]['local_ip']       = $form['row'][0]['local_ip'];

$panel_form['row'][1]['peer_as']        = $form['row'][0]['peer_as'];
$panel_form['row'][1]['peer_ip']        = $form['row'][0]['peer_ip'];

$panel_form['row'][2]['type']           = $form['row'][0]['type'];
$panel_form['row'][2]['search']         = $form['row'][0]['search'];

// Register custom panel
register_html_panel(generate_form($panel_form));

echo '<div class="hidden-xl">';
print_form($form);
echo '</div>';

unset($form, $panel_form, $form_items, $navbar);

if (!isset($vars['view'])) { $vars['view'] = 'details'; }

$link_array = [ 'page' => 'routing', 'protocol' => 'bgp' ];

$types = [
  'all'      => 'All',
  'internal' => 'iBGP',
  'external' => 'eBGP'
];
foreach ($types as $option => $text) {
  $navbar['options'][$option]['text'] = $text;
  if ($vars['type'] == $option || (empty($vars['type']) && $option === 'all')) {
    $navbar['options'][$option]['class'] .= " active";
  }
  $bgp_options = [ 'type' => $option ];
  if ($vars['adminstatus']) {
    $bgp_options['adminstatus'] = $vars['adminstatus'];
  } elseif ($vars['state']) {
    $bgp_options['state'] = $vars['state'];
  }
  $navbar['options'][$option]['url'] = generate_url($link_array, $bgp_options);
}

  $statuses = [
    'stop'  => 'Shutdown',
    'start' => 'Enabled',
    'down'  => 'Down'
  ];
  foreach ($statuses as $option => $text) {
    $status = ($option === 'down') ? 'state' : 'adminstatus';
    $navbar['options'][$option]['text'] = $text;
    if ($vars[$status] == $option) {
      $navbar['options'][$option]['class'] .= " active";
      $bgp_options = array($status => NULL);
    } else {
      $bgp_options = array($status => $option);
    }
    if ($vars['type']) { $bgp_options['type'] = $vars['type']; }
    $navbar['options'][$option]['url'] = generate_url($link_array, $bgp_options);
  }

  $navbar['options_right']['details']['text'] = 'No Graphs';
  if ($vars['view'] === 'details') { $navbar['options_right']['details']['class'] .= ' active'; }
  $navbar['options_right']['details']['url'] = generate_url($vars, array('view' => 'details', 'graph' => 'NULL'));

  $navbar['options_right']['updates']['text'] = 'Updates';
  if ($vars['graph'] === 'updates') { $navbar['options_right']['updates']['class'] .= ' active'; }
  $navbar['options_right']['updates']['url'] = generate_url($vars, array('view' => 'graphs', 'graph' => 'updates'));

  /*
  $bgp_graphs = array();
  foreach ($cache['graphs'] as $entry)
  {
    if (preg_match('/^bgp_(?<subtype>prefixes)_(?<afi>ipv[46])(?<safi>[a-z]+)/', $entry, $matches))
    {
      if (!isset($bgp_graphs[$matches['safi']]))
      {
        $bgp_graphs[$matches['safi']] = array('text' => nicecase($matches['safi']));
      }
      $bgp_graphs[$matches['safi']]['types'][$matches['subtype'].'_'.$matches['afi'].$matches['safi']] = nicecase($matches['afi']) . ' ' . nicecase($matches['safi']) . ' ' . nicecase($matches['subtype']);
    }
  }
  */

  $bgp_graphs = array('unicast'   => array('text' => 'Unicast'),
                      'multicast' => array('text' => 'Multicast'),
                      'mac'       => array('text' => 'MAC Accounting'));
  $bgp_graphs['unicast']['types'] = array('prefixes_ipv4unicast' => 'IPv4 Ucast Prefixes',
                                          'prefixes_ipv6unicast' => 'IPv6 Ucast Prefixes',
                                          'prefixes_ipv4vpn'     => 'VPNv4 Prefixes');
  $bgp_graphs['multicast']['types'] = array('prefixes_ipv4multicast' => 'IPv4 Mcast Prefixes',
                                            'prefixes_ipv6multicast' => 'IPv6 Mcast Prefixes');

  $bgp_graphs['mac'] = array('text' => 'MAC Accounting');
  $bgp_graphs['mac']['types'] = array('macaccounting_bits' => 'MAC Bits',
                                      'macaccounting_pkts' => 'MAC Pkts');
  foreach ($bgp_graphs as $bgp_graph => $bgp_options)
  {
    $navbar['options_right'][$bgp_graph]['text'] = $bgp_options['text'];
    foreach ($bgp_options['types'] as $option => $text)
    {
      if ($vars['graph'] == $option)
      {
        $navbar['options_right'][$bgp_graph]['class'] .= ' active';
        $navbar['options_right'][$bgp_graph]['suboptions'][$option]['class'] = 'active';
      }
      $navbar['options_right'][$bgp_graph]['suboptions'][$option]['text'] = $text;
      $navbar['options_right'][$bgp_graph]['suboptions'][$option]['url'] = generate_url($vars, array('view' => 'graphs', 'graph' => $option));
    }
  }

  $navbar['class'] = "navbar-narrow";
  $navbar['brand'] = "BGP";
  print_navbar($navbar);
  unset($navbar);

  //r($cache['bgp']);
  print_bgp_peer_table($vars);

// EOF