<?php

global $debug;

if ($device['os'] == 'mgeups') {
    // blatently copyied from APC
    echo 'MGE UPS External ';

    // Environmental monitoring on UPSes etc
    // FIXME upsmgConfigEnvironmentTable and upsmgEnvironmentSensorTable are used but there are others ...
    $mge_env_data = snmpwalk_cache_oid($device, 'upsmgConfigEnvironmentTable', array(), 'MG-SNMP-UPS-MIB');
    $mge_env_data = snmpwalk_cache_oid($device, 'upsmgEnvironmentSensorTable', $mge_env_data, 'MG-SNMP-UPS-MIB');

    /*
        upsmgConfigSensorIndex.1 = 1
        upsmgConfigSensorName.1 = "Environment sensor"
        upsmgConfigTemperatureLow.1 = 5
        upsmgConfigTemperatureHigh.1 = 40
        upsmgConfigTemperatureHysteresis.1 = 2
        upsmgConfigHumidityLow.1 = 5
        upsmgConfigHumidityHigh.1 = 90
        upsmgConfigHumidityHysteresis.1 = 5
        upsmgConfigInput1Name.1 = "Input #1"
        upsmgConfigInput1ClosedLabel.1 = "closed"
        upsmgConfigInput1OpenLabel.1 = "open"
        upsmgConfigInput2Name.1 = "Input #2"
        upsmgConfigInput2ClosedLabel.1 = "closed"
        upsmgConfigInput2OpenLabel.1 = "open"

        upsmgEnvironmentIndex.1 = 1
        upsmgEnvironmentComFailure.1 = no
        upsmgEnvironmentTemperature.1 = 287
        upsmgEnvironmentTemperatureLow.1 = no
        upsmgEnvironmentTemperatureHigh.1 = no
        upsmgEnvironmentHumidity.1 = 17
        upsmgEnvironmentHumidityLow.1 = no
        upsmgEnvironmentHumidityHigh.1 = no
        upsmgEnvironmentInput1State.1 = open
        upsmgEnvironmentInput2State.1 = open
    */

    foreach (array_keys($mge_env_data) as $index) {
        $descr      = $mge_env_data[$index]['upsmgConfigSensorName'];
        $current    = $mge_env_data[$index]['upsmgEnvironmentHumidity'];
        $sensorType = 'mge';
        $oid        = '.1.3.6.1.4.1.705.1.8.7.1.6.'.$index;
        $low_limit  = $mge_env_data[$index]['upsmgConfigHumidityLow'];
        $high_limit = $mge_env_data[$index]['upsmgConfigHumidityHigh'];
        $hysteresis = $mge_env_data[$index]['upsmgConfigHumidityHysteresis'];

        // FIXME warninglevels might need some other calculation in stead of hysteresis
        $low_warn_limit  = ($low_limit + $hysteresis);
        $high_warn_limit = ($high_limit - $hysteresis);

        if ($debug) {
            echo "low_limit : $low_limit\nlow_warn_limit : $low_warn_limit\nhigh_warn_limit : $high_warn_limit\nhigh_limit : $high_limit\n";
        }

        if ($current != 0) {
            // Humidity = 0 -> Sensor not available
            // FIXME true for MGE as wel as APC?
            discover_sensor($valid['sensor'], 'humidity', $device, $oid, $index, $sensorType, $descr, '1', '1', $low_limit, $low_warn_limit, $high_warn_limit, $high_limit, $current);
        }
    }//end foreach
}//end if