<?php

header('Content-type: application/json');

if (!Auth::user()->hasGlobalAdmin()) {
    $response = array(
        'status'  => 'error',
        'message' => 'Need to be admin',
    );
    echo _json_encode($response);
    exit;
}

$status = 'ok';
$message = '';

$device_id      = $_POST['device_id'];
$id             = $_POST['ccustomoid_id'];
$action         = mres($_POST['action']);
$name           = mres($_POST['name']);
$oid            = mres($_POST['oid']);
$datatype       = mres($_POST['datatype']);
if (empty(mres($_POST['unit']))) {
    $unit           = array('NULL');
} else {
    $unit           = mres($_POST['unit']);
}
if (!empty(mres($_POST['limit'])) && is_numeric(mres($_POST['limit']))) {
    $limit          = mres($_POST['limit']);
} else {
    $limit          = array('NULL');
}
if (!empty(mres($_POST['limit_warn'])) && is_numeric(mres($_POST['limit_warn']))) {
    $limit_warn     = mres($_POST['limit_warn']);
} else {
    $limit_warn     = array('NULL');
}
if (!empty(mres($_POST['limit_low'])) && is_numeric(mres($_POST['limit_low']))) {
    $limit_low      = mres($_POST['limit_low']);
} else {
    $limit_low      = array('NULL');
}
if (!empty(mres($_POST['limit_low_warn'])) && is_numeric(mres($_POST['limit_low_warn']))) {
    $limit_low_warn = mres($_POST['limit_low_warn']);
} else {
    $limit_low_warn = array('NULL');
}
if (mres($_POST['alerts']) == 'on') {
    $alerts = 1;
} else {
    $alerts = 0;
}
if (mres($_POST['passed']) == 'on') {
    $passed = 1;
} else {
    $passed = 0;
}
if (!empty(mres($_POST['divisor'])) && is_numeric(mres($_POST['divisor']))) {
    $divisor        = mres($_POST['divisor']);
} else {
    $divisor        = 1;
}
if (!empty(mres($_POST['multiplier'])) && is_numeric(mres($_POST['multiplier']))) {
    $multiplier     = mres($_POST['multiplier']);
} else {
    $multiplier     = 1;
}
if (!empty(mres($_POST['user_func']))) {
    $user_func = mres($_POST['user_func']);
} else {
    $user_func = array('NULL');
}

if ($action == "test") {
    $query = "SELECT * FROM `devices` WHERE `device_id` = $device_id LIMIT 1";
    $device = dbFetchRow($query);

    $rawdata = snmp_get($device, $oid, '-Oqv');

    if (is_numeric($rawdata)) {
        if (dbUpdate(
            array(
                'customoid_passed' => 1,
            ),
            'customoids',
            'customoid_id=?',
            array($id)
        ) >= 0) {
            $message = "Test successful for <i>$name</i>, value $rawdata received";
        } else {
            $status   = 'error';
            $message = "Failed to set pass on OID <i>$name</i>";
        }
    } else {
        $status  = 'error';
        $message = "Invalid data in SNMP reply, value $rawdata received";
    }
} else {
    if (is_numeric($id) && $id > 0) {
        if (dbUpdate(
            array(
                'customoid_descr'          => $name,
                'customoid_oid'            => $oid,
                'customoid_datatype'       => $datatype,
                'customoid_unit'           => $unit,
                'customoid_divisor'        => $divisor,
                'customoid_multiplier'     => $multiplier,
                'customoid_limit'          => $limit,
                'customoid_limit_warn'     => $limit_warn,
                'customoid_limit_low'      => $limit_low,
                'customoid_limit_low_warn' => $limit_low_warn,
                'customoid_alert'          => $alerts,
                'customoid_passed'         => $passed,
                'user_func'                => $user_func
            ),
            'customoids',
            "`customoid_id` = ?",
            array($id)
        ) >= 0) { //end if condition
            $message = "Edited OID: <i>$name</i>";
        } else {
            $status   = 'error';
            $message = "Failed to edit OID <i>$name</i>";
        }
    } else {
        if (empty($name)) {
            $status  = 'error';
            $message = 'No OID name provided';
        } else {
            if (dbFetchCell('SELECT 1 FROM `customoids` WHERE `customoid_descr` = ? AND `device_id`=?', array($name, $device_id))) {
                $status = 'error';
                $message = "OID named <i>$name</i> on this device already exists";
            } else {
                $id = dbInsert(
                    array(
                        'device_id'                => $device_id,
                        'customoid_descr'          => $name,
                        'customoid_oid'            => $oid,
                        'customoid_datatype'       => $datatype,
                        'customoid_unit'           => $unit,
                        'customoid_divisor'        => $divisor,
                        'customoid_multiplier'     => $multiplier,
                        'customoid_limit'          => $limit,
                        'customoid_limit_warn'     => $limit_warn,
                        'customoid_limit_low'      => $limit_low,
                        'customoid_limit_low_warn' => $limit_low_warn,
                        'customoid_alert'          => $alerts,
                        'customoid_passed'         => $passed,
                        'user_func'                => $user_func
                    ),
                    'customoids'
                );
                if ($id) {
                    $message = "Added OID: <i>$name</i>";
                } else {
                    $status = 'error';
                    $message = "Failed to add OID: <i>$name</i>";
                }
            }
        }
    }
}

die(json_encode([
    'status'       => $status,
    'message'      => $message,
]));