<?php

use LibreNMS\Exceptions\JsonAppException;
use LibreNMS\RRD\RrdDefinition;

$name = 'logsize';

try {
    $returned = json_app_get($device, $name, 1);
} catch (JsonAppException $e) {
    echo PHP_EOL . $name . ':' . $e->getCode() . ':' . $e->getMessage() . PHP_EOL;

    update_application($app, $e->getCode() . ':' . $e->getMessage(), []); // Set empty metrics and error message

    return;
}

$data = $returned['data'];

$rrd_def = RrdDefinition::make()
    ->addDataset('size', 'GAUGE');

$set_rrd_def = RrdDefinition::make()
    ->addDataset('max_size', 'GAUGE')
    ->addDataset('mean_size', 'GAUGE')
    ->addDataset('median_size', 'GAUGE')
    ->addDataset('mode_size', 'GAUGE')
    ->addDataset('min_size', 'GAUGE')
    ->addDataset('size', 'GAUGE');

$app_data = ['sets' => [], 'no_minus_d' => $data['no_minus_d']];

$rrd_name = ['app', $name, $app->app_id];
$fields = [
    'max_size' => $data['max'],
    'mean_size' => $data['mean'],
    'median_size' => $data['median'],
    'mode_size' => $data['mode'],
    'min_size' => $data['min'],
    'size' => $data['size'],
];
$tags = ['name' => $name, 'app_id' => $app->app_id, 'rrd_def' => $set_rrd_def, 'rrd_name' => $rrd_name];
data_update($device, 'app', $tags, $fields);

$metrics = $fields;

foreach ($data['sets'] as $set_name => $set_data) {
    $app_data['sets'][$set_name] = [
        'files' => array_keys($set_data['files']),
        'max_size' => $set_data['max'],
        'mean_size' => $set_data['mean'],
        'median_size' => $set_data['median'],
        'mode_size' => $set_data['mode'],
        'min_size' => $set_data['min'],
        'size' => $set_data['size'],
        'log_sizes' => [],
    ];

    $metrics['set_' . $set_name . '_max_size'] = $set_data['max'];
    $metrics['set_' . $set_name . '_mean_size'] = $set_data['mean'];
    $metrics['set_' . $set_name . '_median_size'] = $set_data['median'];
    $metrics['set_' . $set_name . '_mode_size'] = $set_data['mode'];
    $metrics['set_' . $set_name . '_min_size'] = $set_data['min'];
    $metrics['set_' . $set_name . '_size'] = $set_data['size'];

    $rrd_name = ['app', $name, $app->app_id, $set_name];
    $fields = [
        'max_size' => $set_data['max'],
        'mean_size' => $set_data['mean'],
        'median_size' => $set_data['median'],
        'mode_size' => $set_data['mode'],
        'min_size' => $set_data['min'],
        'size' => $set_data['size'],
    ];
    $tags = ['name' => $name, 'app_id' => $app->app_id, 'rrd_def' => $set_rrd_def, 'rrd_name' => $rrd_name];
    data_update($device, 'app', $tags, $fields);

    foreach ($set_data['files'] as $log_name => $log_size) {
        $rrd_name = ['app', $name, $app->app_id, $set_name . '_____-_____' . $log_name];
        $fields = [
            'size' => $log_size,
        ];
        $tags = ['name' => $name, 'app_id' => $app->app_id, 'rrd_def' => $rrd_def, 'rrd_name' => $rrd_name];
        data_update($device, 'app', $tags, $fields);

        $app_data['sets'][$set_name]['log_sizes'][$log_name] = $log_size;

        //$metrics['set_' . $set_name . '_files_' .$log_name] = $log_size;
    }

    foreach ($set_data['unseen'] as $log_name) {
        $rrd_name = ['app', $name, $app->app_id, $set_name . '_____-_____' . $log_name];
        $fields = [
            'size' => 0,
        ];
        $tags = ['name' => $name, 'app_id' => $app->app_id, 'rrd_def' => $rrd_def, 'rrd_name' => $rrd_name];
        data_update($device, 'app', $tags, $fields);

        $app_data['sets'][$set_name]['log_sizes'][$log_name] = 0;
        $app_data['sets'][$set_name]['files'][] = $log_name;

        //$metrics['set_' . $set_name . '_files_' .$log_name] = 0;
    }

    uasort($app_data['sets'][$set_name]['log_sizes'], function ($a, $b) {
        if ($a == $b) {
            return 0;
        }

        return ($a > $b) ? -1 : 1;
    });
}

$app->data = $app_data;
update_application($app, 'OK', $metrics);