<?php
class GraphingController extends mfBaseController{
    private string $ZABBIX_API_URL = ZABBIX_API_URL;
    private string $ZABBIX_API_KEY = ZABBIX_API_KEY;
    private Zabbix $zabbix;

    protected function init(): void {
        $me = new User();
        $me->loadMe();
        $this->layout()->set("me", $me);
        $this->me = $me;

        if (!$this->me->isAdmin()) {
            $this->redirect("dashboard");
        }

        $this->zabbix = new Zabbix($this->ZABBIX_API_URL, $this->ZABBIX_API_KEY);
    }

    protected function indexAction() {
        $this->layout()->set('additionalJS', ["plugins/chart.js/chart.4.4.6.js", "plugins/chart.js/chartjs-adapter-moment.min.js"]);
        Helper::renderVue($this, "DeviceGraphing", $this->mod, []);
    }


    protected function dataAction() {
        header('Content-Type: application/json');
        $hostId = $this->request->hostId;
        $hostInterfaceItems = $this->zabbix->getHostInterfaceItems($hostId, '');
        // limit to 25 items
        $hostInterfaceItems = array_slice($hostInterfaceItems, 0, 25);

        $itemIds = array_map(function($item) {
            return $item['itemid'];
        }, $hostInterfaceItems);


        $itemValues = $this->zabbix->getItemValues($itemIds, 1000);

        $out = [];
        foreach ($hostInterfaceItems as $item) {
            $out[$item['itemid']] = [
                'name' => str_replace('Bits', 'Mbps', $item['name']),
                'units' => $item['units'],
                'values' => []
            ];
        }

        foreach ($itemValues as $itemValue) {
            $out[$itemValue['itemid']]['values'][] = [
                'clock' => $itemValue['clock'],
                'value' => $itemValue['value'] / 1000000
            ];
        }

        // sort by name
        uasort($out, function($a, $b) {
            return strcmp($a['name'], $b['name']);
        });


        die(json_encode($out));
    }
}