<?php

use LibreNMS\RRD\RrdDefinition;

if ($device['os_group'] == 'cisco') {
    $cefs = SnmpQuery::hideMib()->walk('CISCO-CEF-MIB::cefSwitchingStatsTable')->table(3);
    $polled = time();

    $cefs_query = dbFetchRows('SELECT * FROM `cef_switching` WHERE `device_id` = ?', [$device['device_id']]);
    foreach ($cefs_query as $ceftmp) {
        $cef_id = $device['device_id'] . '-' . $ceftmp['entPhysicalIndex'] . '-' . $ceftmp['afi'] . '-' . $ceftmp['cef_index'];
        $cefs_db[$cef_id] = $ceftmp['cef_switching_id'];
    }

    d_echo($cefs);

    if (is_array($cefs)) {
        if (! isset($entity_array) || ! is_array($entity_array)) {
            echo 'Caching OIDs: ';
            $entity_array = [];
            echo ' entPhysicalDescr';
            $entity_array = snmpwalk_cache_multi_oid($device, 'entPhysicalDescr', $entity_array, 'ENTITY-MIB');
            echo ' entPhysicalName';
            $entity_array = snmpwalk_cache_multi_oid($device, 'entPhysicalName', $entity_array, 'ENTITY-MIB');
            echo ' entPhysicalModelName';
            $entity_array = snmpwalk_cache_multi_oid($device, 'entPhysicalModelName', $entity_array, 'ENTITY-MIB');
        }

        foreach ($cefs as $entity => $afis) {
            $entity_name = $entity_array[$entity]['entPhysicalName'] . ' - ' . $entity_array[$entity]['entPhysicalModelName'];
            echo "\n$entity $entity_name\n";
            foreach ($afis as $afi => $paths) {
                echo " |- $afi\n";
                foreach ($paths as $index => $cef_stat) {
                    echo ' | |-' . $index . ': ' . $cef_stat['cefSwitchingPath'];

                    $cef_id = $device['device_id'] . '-' . $entity . '-' . $afi . '-' . $index;

                    // if (dbFetchCell("SELECT COUNT(*) FROM `cef_switching` WHERE `device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?", array($device['device_id'], $entity, $afi, $path)) != "1")
                    if (! isset($cefs_db[$cef_id])) {
                        dbInsert(['device_id' => $device['device_id'], 'entPhysicalIndex' => $entity, 'afi' => $afi, 'cef_index' => $index, 'cef_path' => $cef_stat['cefSwitchingPath']], 'cef_switching');
                        echo '+';
                    }

                    unset($cefs_db[$cef_id]);

                    $cef_entry = dbFetchRow('SELECT * FROM `cef_switching` WHERE `device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?', [$device['device_id'], $entity, $afi, $index]);

                    $rrd_name = ['cefswitching', $entity, $afi, $index];
                    $rrd_def = RrdDefinition::make()
                        ->addDataset('drop', 'DERIVE', 0, 1000000)
                        ->addDataset('punt', 'DERIVE', 0, 1000000)
                        ->addDataset('hostpunt', 'DERIVE', 0, 1000000);

                    // Copy HC to non-HC if they exist
                    if (is_numeric($cef_stat['cefSwitchingHCDrop'])) {
                        $cef_stat['cefSwitchingDrop'] = $cef_stat['cefSwitchingHCDrop'];
                    }

                    if (is_numeric($cef_stat['cefSwitchingHCPunt'])) {
                        $cef_stat['cefSwitchingPunt'] = $cef_stat['cefSwitchingHCPunt'];
                    }

                    if (is_numeric($cef_stat['cefSwitchingHCPunt2Host'])) {
                        $cef_stat['cefSwitchingPunt2Host'] = $cef_stat['cefSwitchingHCPunt2Host'];
                    }

                    // FIXME -- memcached
                    $cef_stat['update']['drop'] = $cef_stat['cefSwitchingDrop'];
                    $cef_stat['update']['punt'] = $cef_stat['cefSwitchingPunt'];
                    $cef_stat['update']['punt2host'] = $cef_stat['cefSwitchingPunt2Host'];
                    $cef_stat['update']['drop_prev'] = $cef_entry['drop'];
                    $cef_stat['update']['punt_prev'] = $cef_entry['punt'];
                    $cef_stat['update']['punt2host_prev'] = $cef_entry['punt2host'];
                    $cef_stat['update']['updated'] = $polled;
                    $cef_stat['update']['updated_prev'] = $cef_entry['updated'];

                    dbUpdate($cef_stat['update'], 'cef_switching', '`device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?', [$device['device_id'], $entity, $afi, $index]);

                    $fields = [
                        'drop' => $cef_stat['cefSwitchingDrop'],
                        'punt' => $cef_stat['cefSwitchingPunt'],
                        'hostpunt' => $cef_stat['cefSwitchingPunt2Host'],
                    ];

                    $tags = ['entity' => $entity, 'afi' => $afi, 'index' => $index, 'rrd_name' => $rrd_name, 'rrd_def' => $rrd_def];
                    app('Datastore')->put($device, 'cefswitching', $tags, $fields);

                    echo "\n";
                }//end foreach
            }//end foreach
        }//end foreach
    }//end if

    // FIXME - need to delete old ones. FIXME REALLY.
    if (! empty($cefs_db)) {
        print_r($cefs_db);

        foreach ((array) $cefs_db as $cef_switching_id) {
            dbDelete('cef_switching', '`cef_switching_id` =  ?', [$cef_switching_id]);
            echo '-';
        }
    }

    echo "\n";
} //end if

unset(
    $cefs,
    $polled,
    $cefs_query,
    $entity_array
);
