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

$prt_supplies = snmpwalk_cache_oid($device, 'prtMarkerSuppliesTable', array(), 'Printer-MIB', NULL, OBS_SNMP_ALL_UTF8);
$prt_colorant = snmpwalk_cache_twopart_oid($device, 'prtMarkerColorantTable', array(), 'Printer-MIB', NULL, OBS_SNMP_ALL_UTF8);

print_debug_vars($prt_supplies);
print_debug_vars($prt_colorant);

// Count toner/ink, if Toner not has colorant table or name non informative (ie: TK-340) set to black for single toner
$toner_count = 0;
foreach ($prt_supplies as $entry)
{
  switch ($entry['prtMarkerSuppliesType'])
  {
    case 'toner':
    case 'tonerCartridge':
    case 'ink':
    case 'inkCartridge':
      $toner_count++;
      break;
  }
}

foreach ($prt_supplies as $index => $entry) {
  // prtMarkerSuppliesMarkerIndex.1.1 = 1
  // prtMarkerSuppliesMarkerIndex.1.8 = 1
  // prtMarkerSuppliesMarkerIndex.1.9 = 1
  // prtMarkerSuppliesColorantIndex.1.1 = 1
  // prtMarkerSuppliesColorantIndex.1.8 = 4
  // prtMarkerSuppliesColorantIndex.1.9 = 0
  // prtMarkerSuppliesClass.1.1 = supplyThatIsConsumed
  // prtMarkerSuppliesClass.1.8 = supplyThatIsConsumed
  // prtMarkerSuppliesClass.1.9 = receptacleThatIsFilled
  // prtMarkerSuppliesType.1.1 = toner
  // prtMarkerSuppliesType.1.8 = opc
  // prtMarkerSuppliesType.1.9 = wasteToner
  // prtMarkerSuppliesDescription.1.1 = "Cyan Toner Cartridge"
  // prtMarkerSuppliesDescription.1.8 = "Black Drum Cartridge"
  // prtMarkerSuppliesDescription.1.9 = "Waste Toner Box"
  // prtMarkerSuppliesSupplyUnit.1.1 = impressions
  // prtMarkerSuppliesSupplyUnit.1.8 = impressions
  // prtMarkerSuppliesSupplyUnit.1.9 = impressions
  // prtMarkerSuppliesMaxCapacity.1.1 = 12000
  // prtMarkerSuppliesMaxCapacity.1.8 = 50000
  // prtMarkerSuppliesMaxCapacity.1.9 = 25000
  // prtMarkerSuppliesLevel.1.1 = 12000
  // prtMarkerSuppliesLevel.1.8 = 20000
  // prtMarkerSuppliesLevel.1.9 = 25000

  // prtMarkerColorantMarkerIndex.1.1 = 1
  // prtMarkerColorantRole.1.1 = process
  // prtMarkerColorantValue.1.1 = "cyan"
  // prtMarkerColorantTonality.1.1 = 256

  //$descr        = snmp_hexstring($entry['prtMarkerSuppliesDescription']); // Some HPs return a Hex-string.
  $descr        = rewrite_entity_name($entry['prtMarkerSuppliesDescription']); // Forced ASCII
  $oid          = ".1.3.6.1.2.1.43.11.1.1.9.$index";
  $capacity_oid = ".1.3.6.1.2.1.43.11.1.1.8.$index";

  /* .1.3.6.1.2.1.43.11.1.1.8 prtMarkerSuppliesMaxCapacity
   *  The value (-1) means other and specifically indicates that the sub-unit places
   *  no restrictions on this parameter. The value (-2) means unknown.
   *
   * .1.3.6.1.2.1.43.11.1.1.9 prtMarkerSuppliesLevel
   *  The value (-1) means other and specifically indicates that the sub-unit places
   *  no restrictions on this parameter. The value (-2) means unknown.
   *  A value of (-3) means that the printer knows that there is some supply/remaining space,
   *  respectively.
   */

  $level    = $entry['prtMarkerSuppliesLevel'];
  $capacity = $entry['prtMarkerSuppliesMaxCapacity'];

  if (($level < 0 || $capacity < 0) && is_device_mib($device, 'RicohPrivateMIB')) {
    // Skip unknown toners on ricoh printers (use self mib)
    continue;
  }

  if ($level == '-1' || $capacity == '-1') {
    // Unlimited
    $level    = 100;
    $capacity = 100;
  }

  if ($capacity > 0 && $level >= 0) {
    $level = percent($level, $capacity, FALSE);
  }

  switch ($entry['prtMarkerSuppliesSupplyUnit']) {
    // other(1), unknown(2), tenThousandthsOfInches(3), micrometers(4),
    // impressions(7), sheets(8), hours(11), thousandthsOfOunces(12),
    // tenthsOfGrams(13), hundrethsOfFluidOunces(14), tenthsOfMilliliters(15),
    // feet(16), meters(17),
    // -- Values for Finisher MIB
    // items(18), percent(19)
    default:
      $unit = 'percent';
  }
  $update_array = [
    'description'   => $descr,
    'index'         => $index,
    'oid'           => $oid,
    'mib'           => 'jetdirect', // FIXME - this confuses, use correct mib name in the future
    //'mib'           => $mib,
    'unit'          => $unit,
    'level'         => $level,
    'capacity'      => $capacity,
    'capacity_oid'  => $capacity_oid
  ];

  // Attach Colorant entry if exist
  list($hrDeviceIndex, $prtMarkerSuppliesIndex) = explode('.', $index);
  if (isset($entry['prtMarkerSuppliesColorantIndex']) &&
      isset($prt_colorant[$hrDeviceIndex][$entry['prtMarkerSuppliesColorantIndex']])) {
    $entry = array_merge($entry, $prt_colorant[$hrDeviceIndex][$entry['prtMarkerSuppliesColorantIndex']]);
    if (isset($entry['prtMarkerColorantValue'])) {
      //$update_array['colour'] = snmp_hexstring($entry['prtMarkerColorantValue']);
      $update_array['colour'] = $entry['prtMarkerColorantValue']; // Forced ASCII
    }
  }

  // Colorant table empty, try detect colour by description
  if (!isset($update_array['colour'])) {
    foreach ($GLOBALS['config']['toner'] as $colour => $strings) {
      if (str_icontains_array($descr, (array)$strings)) {
        $update_array['colour'] = $colour;
        break;
      }
    }
  }

  switch ($entry['prtMarkerSuppliesType']) {
    case 'toner':
    case 'tonerCartridge':
    case 'ink':
    case 'inkCartridge':
      if (!isset($update_array['colour']) && $toner_count === 1) {
        $update_array['colour'] = 'black';
      }
      $update_array['type']   = str_replace('Cartridge', '', $entry['prtMarkerSuppliesType']);
      break;
    case 'opc':
      // photo conductor
      $update_array['type']   = 'drum';
      break;
    case 'wasteToner':
    case 'wasteInk':
    case 'transferUnit':
    case 'cleanerUnit':
    case 'fuser':
    case 'developer':
    case 'other':
      // Known types
      $update_array['type'] = strtolower($entry['prtMarkerSuppliesType']);
      break;
    default:
      print_debug("Could not handle resource type " . $entry['prtMarkerSuppliesType']);
      continue 2;
  }

  // Skip duplicate toners, see: https://jira.observium.org/browse/OBS-3971
  $update_array['skip_if_valid_exist'] = $update_array['type'].'->RicohPrivateMIB';

  discover_printersupply($device, $update_array);
}

echo(PHP_EOL);

// EOF