<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     discovery
 * @copyright  (C) Adam Armstrong
 *
 */

$scale         = 0.01;
$scale_voltage = 0.1;

$sentry3_InfeedEntry = snmpwalk_cache_twopart_oid($device, 'InfeedEntry', [], 'Sentry3-MIB');
$sentry3_OutletEntry = snmpwalk_cache_threepart_oid($device, 'OutletEntry', [], 'Sentry3-MIB');

foreach ($sentry3_InfeedEntry as $tower => $feeds) {
    foreach ($feeds as $feed => $entry) {
        $descr = str_replace('_', ', ', $entry['infeedName']);
        $index = "$tower.$feed";

        // infeedLoadValue
        $oid = '.1.3.6.1.4.1.1718.3.2.2.1.7.' . $index;
        if (isset($entry['infeedLoadValue']) && $entry['infeedLoadValue'] >= 0) {
            $limits = ['limit_high'      => $entry['infeedCapacity'],
                       'limit_high_warn' => $entry['infeedLoadHighThresh']];
            $value  = $entry['infeedLoadValue'];

            discover_sensor('current', $device, $oid, "infeedLoad.$index", 'sentry3', $descr, $scale, $value, $limits);
        } else {
            // FIXME. States for $entry['infeedLoadStatus']
        }

        // infeedVoltage
        $oid = '.1.3.6.1.4.1.1718.3.2.2.1.11.' . $index;
        if (isset($entry['infeedVoltage']) && $entry['infeedVoltage'] >= 0) {
            $value = $entry['infeedVoltage'];

            discover_sensor('voltage', $device, $oid, "infeedVoltage.$index", 'sentry3', $descr, $scale_voltage, $value);
        }

        // infeedPower
        $oid = '.1.3.6.1.4.1.1718.3.2.2.1.12.' . $index;
        if (isset($entry['infeedPower']) && $entry['infeedPower'] >= 0) {
            $value = $entry['infeedPower'];

            discover_sensor('power', $device, $oid, "infeedPower.$index", 'sentry3', $descr, 1, $value);
        }

        // outletLoadValue
        foreach ($sentry3_OutletEntry[$tower][$feed] as $outlet => $ou_entry) {
            $descr = str_replace('_', ', ', $ou_entry['outletName']);
            $index = "$tower.$feed.$outlet";

            $oid = '.1.3.6.1.4.1.1718.3.2.3.1.7.' . $index;
            if (isset($ou_entry['outletLoadValue']) && $ou_entry['outletLoadValue'] >= 0) {
                // Should be "outletCapacity" but is always -1. According to MIB: "A negative value indicates that the capacity was not available."
                $limits = ['limit_high' => $ou_entry['outletLoadHighThresh'],
                           'limit_low'  => $ou_entry['outletLoadLowThresh']];
                $value  = $ou_entry['outletLoadValue'];

                discover_sensor('current', $device, $oid, "outletLoad.$index", 'sentry3', $descr, $scale, $value, $limits);
            } else {
                // FIXME. States for $ou_entry['outletLoadStatus'], $ou_entry['outletStatus']
            }
        }
    }
}

// temperature/humidity sensor
$sentry3_TempHumidSensorEntry = snmpwalk_cache_oid($device, 'TempHumidSensorEntry', [], 'Sentry3-MIB');
print_debug_vars($sentry3_TempHumidSensorEntry);

foreach ($sentry3_TempHumidSensorEntry as $index => $entry) {
    $descr = $entry['tempHumidSensorName'];

    // tempHumidSensorTempValue
    $oid = '.1.3.6.1.4.1.1718.3.2.5.1.6.' . $index;

    if (isset($entry['tempHumidSensorTempValue']) && $entry['tempHumidSensorTempValue'] >= 0) {
        if (isset($entry['tempHumidSensorTempScale'])) {
            // Note, after MIB revision "200606120930Z" scale changed to "tenth degrees"
            $scale_temp = 0.1;
        } else {
            $scale_temp = 1;
        }

        $value   = $entry['tempHumidSensorTempValue'];
        $options = ['limit_high' => (isset($entry['tempHumidSensorTempHighThresh']) ? $entry['tempHumidSensorTempHighThresh'] * $scale_temp : NULL),
                    'limit_low'  => (isset($entry['tempHumidSensorTempLowThresh']) ? $entry['tempHumidSensorTempLowThresh'] * $scale_temp : NULL)];

        if ($entry['tempHumidSensorTempScale'] == 'fahrenheit') {
            $options['sensor_unit'] = 'F';
        }

        discover_sensor('temperature', $device, $oid, "tempHumidSensor.$index", 'sentry3', $descr, $scale_temp, $value, $options);
    }

    // tempHumidSensorHumidValue
    $oid = '.1.3.6.1.4.1.1718.3.2.5.1.10.' . $index;
    if (isset($entry['tempHumidSensorHumidValue']) && $entry['tempHumidSensorHumidValue'] >= 0) {
        $options = ['limit_high' => (isset($entry['tempHumidSensorHumidHighThresh']) ? $entry['tempHumidSensorHumidHighThresh'] : NULL),
                    'limit_low'  => (isset($entry['tempHumidSensorHumidLowThresh']) ? $entry['tempHumidSensorHumidLowThresh'] : NULL)];
        $value   = $entry['tempHumidSensorHumidValue'];

        discover_sensor('humidity', $device, $oid, "tempHumidSensor.$index", 'sentry3', $descr, 1, $value, $options);
    }
}

// EOF