<?php

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

$oids = snmpwalk_cache_oid($device, 'isDeviceConfigTable', [], 'ISPRO-MIB');
$oids = snmpwalk_cache_oid($device, 'isDeviceMonitorTemperatureTable', $oids, 'ISPRO-MIB');
$oids = snmpwalk_cache_oid($device, 'isDeviceConfigTemperatureTable', $oids, 'ISPRO-MIB');
$oids = snmpwalk_cache_oid($device, 'isDeviceMonitorHumidityTable', $oids, 'ISPRO-MIB');
$oids = snmpwalk_cache_oid($device, 'isDeviceConfigHumidityTable', $oids, 'ISPRO-MIB');
$oids = snmpwalk_cache_oid($device, 'isDeviceMonitorDigitalInTable', $oids, 'ISPRO-MIB');
$oids = snmpwalk_cache_oid($device, 'isDeviceConfigDigitalInTable', $oids, 'ISPRO-MIB');

// isConfigTemperatureUnit.0 = INTEGER: celsius(1)
$isConfigTemperatureUnit = snmp_get($device, 'isConfigTemperatureUnit.0', '-Oqv', 'ISPRO-MIB');

foreach ($oids as $index => $entry) {
    // Skip if this sensor has been disabled for display in the web interface
    if ($entry['isDeviceConfigDisplay'] == 'enabled') {
        // Temperature

        // isDeviceConfigTemperatureIndex.1 = INTEGER: 1
        // isDeviceMonitorTemperatureName.1 = STRING: "Temperature1"
        // isDeviceMonitorTemperature.1 = INTEGER: 3121
        // isDeviceConfigTemperatureName.1 = STRING: "Temperature1"

        $descr = $entry['isDeviceMonitorTemperatureName'];
        $oid   = ".1.3.6.1.4.1.19011.1.3.2.1.3.1.1.1.3.$index";
        $value = $entry['isDeviceMonitorTemperature'];

        // Warning/Critical limits can be enabled/disabled in the web interface. Use them as supplied if enabled, calculate our own if not enabled.
        //
        // isDeviceConfigTemperatureLowWarning.1 = INTEGER: 2300
        // isDeviceConfigTemperatureLowCritical.1 = INTEGER: 2000
        // isDeviceConfigTemperatureHighWarning.1 = INTEGER: 2700
        // isDeviceConfigTemperatureHighCritical.1 = INTEGER: 3000
        // isDeviceConfigTemperatureLowWarningState.1 = INTEGER: disabled(2)
        // isDeviceConfigTemperatureLowCriticalState.1 = INTEGER: disabled(2)
        // isDeviceConfigTemperatureHighWarningState.1 = INTEGER: disabled(2)
        // isDeviceConfigTemperatureHighCriticalState.1 = INTEGER: disabled(2)

        $options = ['limit_high'      => ($entry['isDeviceConfigTemperatureHighCriticalState'] == 'enabled' ? $entry['isDeviceConfigTemperatureHighCritical'] / 100 : NULL),
                    'limit_high_warn' => ($entry['isDeviceConfigTemperatureHighWarningState'] == 'enabled' ? $entry['isDeviceConfigTemperatureHighWarning'] / 100 : NULL),
                    'limit_low_warn'  => ($entry['isDeviceConfigTemperatureLowWarningState'] == 'enabled' ? $entry['isDeviceConfigTemperatureLowWarning'] / 100 : NULL),
                    'limit_low'       => ($entry['isDeviceConfigTemperatureLowCriticalState'] == 'enabled' ? $entry['isDeviceConfigTemperatureLowCritical'] / 100 : NULL)];

        if ($isConfigTemperatureUnit == 'fahrenheit') {
            $options['sensor_unit'] = 'F';
        } else {
            $options['sensor_unit'] = 'C';
        }

        // Not used:
        // isDeviceConfigTemperatureCalibration.1 = INTEGER: temperatureIncrease0Point0(1)
        // isDeviceConfigTemperatureHysteresis.1 = INTEGER: 200

        // 32768 = No sensor connected
        if ($value != 32768 && $value != '') {
            discover_sensor('temperature', $device, $oid, "isDeviceMonitorTemperature.$index", 'ispro-mib', $descr, 0.01, $value, $options);
        }

        $oid   = ".1.3.6.1.4.1.19011.1.3.2.1.3.1.1.1.4.$index";
        $value = $entry['isDeviceMonitorTemperatureAlarm'];

        // isDeviceMonitorTemperatureAlarm.1 = INTEGER: normal(3)

        // unknown = No sensor connected
        if ($value != 'unknown' && $value != '') {
            discover_status($device, $oid, "isDeviceMonitorTemperatureAlarm.$index", 'ispro-mib-threshold-state', $descr, $value);
        }

        // Humidity

        // isDeviceConfigHumidityIndex.1 = INTEGER: 1
        // isDeviceMonitorHumidityName.1 = STRING: "Humidity1"
        // isDeviceMonitorHumidity.1 = INTEGER: 2166
        // isDeviceConfigHumidityName.1 = STRING: "Humidity1"

        $descr = $entry['isDeviceMonitorHumidityName'];
        $oid   = ".1.3.6.1.4.1.19011.1.3.2.1.3.1.2.1.3.$index";
        $value = $entry['isDeviceMonitorHumidity'];

        // Warning/Critical limits can be enabled/disabled in the web interface. Use them as supplied if enabled, calculate our own if not enabled.
        //
        // isDeviceConfigHumidityLowWarning.1 = INTEGER: 4000
        // isDeviceConfigHumidityLowCritical.1 = INTEGER: 3500
        // isDeviceConfigHumidityHighWarning.1 = INTEGER: 5000
        // isDeviceConfigHumidityHighCritical.1 = INTEGER: 5500
        // isDeviceConfigHumidityLowWarningState.1 = INTEGER: disabled(2)
        // isDeviceConfigHumidityLowCriticalState.1 = INTEGER: disabled(2)
        // isDeviceConfigHumidityHighWarningState.1 = INTEGER: disabled(2)
        // isDeviceConfigHumidityHighCriticalState.1 = INTEGER: disabled(2)

        $options = ['limit_high'      => ($entry['isDeviceConfigHumidityHighCriticalState'] == 'enabled' ? $entry['isDeviceConfigHumidityHighCritical'] / 100 : NULL),
                    'limit_high_warn' => ($entry['isDeviceConfigHumidityHighWarningState'] == 'enabled' ? $entry['isDeviceConfigHumidityHighWarning'] / 100 : NULL),
                    'limit_low_warn'  => ($entry['isDeviceConfigHumidityLowWarningState'] == 'enabled' ? $entry['isDeviceConfigHumidityLowWarning'] / 100 : NULL),
                    'limit_low'       => ($entry['isDeviceConfigHumidityLowCriticalState'] == 'enabled' ? $entry['isDeviceConfigHumidityLowCritical'] / 100 : NULL)];

        // Not used:
        // isDeviceConfigHumidityCalibration.1 = INTEGER: humidityIncrease0Point0(1)
        // isDeviceConfigHumidityHysteresis.2 = INTEGER: 500

        // 32768 = No sensor connected
        if ($value != 32768 && $value != '') {
            discover_sensor('humidity', $device, $oid, "isDeviceMonitorHumidity.$index", 'ispro-mib', $descr, 0.01, $value, $options);
        }

        $oid   = ".1.3.6.1.4.1.19011.1.3.2.1.3.1.2.1.4.$index";
        $value = $entry['isDeviceMonitorHumidityAlarm'];

        // isDeviceMonitorHumidityAlarm.1 = INTEGER: normal(3)

        // unknown = No sensor connected
        if ($value != 'unknown' && $value != '') {
            discover_status($device, $oid, "isDeviceMonitorHumidityAlarm.$index", 'ispro-mib-threshold-state', $descr, $value);
        }
    }
}

$oids = snmpwalk_cache_oid($device, 'isDeviceMonitorDigitalInTable', [], 'ISPRO-MIB');
$oids = snmpwalk_cache_oid($device, 'isDeviceConfigDigitalInTable', $oids, 'ISPRO-MIB');

foreach ($oids as $index => $entry) {
    // Unfortunately, there is no (direct) SNMP link between the sensors connected above, even though they are represented together in the Web UI.
    // Unless we use a ugly "divide by 2" hack, we can't know if these alerts are meant to be "not displayed" like we do for Temp/Humidity.
    // If you don't want digital sensors displayed, make sure they are set to Disabled and not Normal Open or Normal Close.

    // isDeviceMonitorDigitalInIndex.1 = INTEGER: 1
    // isDeviceMonitorDigitalInName.1 = STRING: "Alarm1-1"
    // isDeviceMonitorDigitalIn.1 = INTEGER: inactive(2)
    // isDeviceMonitorDigitalInAlarm.1 = INTEGER: normal(1)

    $descr = $entry['isDeviceMonitorDigitalInName'] /* . ' (' . $entry['isDeviceConfigDigitalInState'] . ')'*/
    ;
    $oid   = ".1.3.6.1.4.1.19011.1.3.2.1.3.1.3.1.4.$index";
    $value = $entry['isDeviceMonitorDigitalInAlarm'];

    if ($entry['isDeviceConfigDigitalInState'] != 'disabled' && $value != '') {
        discover_status($device, $oid, "isDeviceMonitorDigitalInAlarm.$index", 'ispro-mib-trigger-state', $descr, $value);
    }
}

// EOF