<?php

class DocumentationCheckController extends mfBaseController {
    private User $me;
    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(): void {
        $this->layout()->setTemplate("DocumentationCheck/DeviceTest");
    }

    protected function apiAction() {
        $do = $this->request->do;

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

        switch ($do) {
            case "getDocumentationFails":
                $return = $this->getDocumentationFails();
                break;
            default:
                $return = false;
                break;
        }

        if (!$return) {
            $return = [
                "status" => "error",
                "message" => "Invalid request."
            ];
        }

        die(json_encode($return));
    }

    private function getDocumentationFails(): array {
        $icmpItems = $this->zabbix->getICMPItems([]);
        $zabbixICMPItems = [];

        foreach ($icmpItems as $item) {
            if (!isset($zabbixICMPItems[$item['hostid']])) {
                $zabbixICMPItems[$item['hostid']] = [];
            }
            $zabbixICMPItems[$item['hostid']][] = $item;
        }

        $zabbixHostIPToId = [];
        $zabbixHostNameToId = [];
        $zabbixHosts = [];

        foreach ($this->zabbix->getHosts("") as $host) {
            $zabbixHostIPToId[$host['host']] = $host['hostid'];
            $zabbixHostNameToId[$host['name']] = $host['hostid'];
            $zabbixHosts[$host['hostid']] = $host;
        }

        $devices = DeviceModel::getAll();

        //loop through all devices and join them by either IP or hostname and then return {device, zabbixHost}
        $hosts = [];
        foreach ($devices as $device) {
            $deviceIP = $device->ip;
            $deviceHostname = $device->name;
            $zabbixHost = null;

            if (isset($zabbixHostIPToId[$deviceIP])) {
                $zabbixHost = $zabbixHosts[$zabbixHostIPToId[$deviceIP]];
            } else if (isset($zabbixHostNameToId[$deviceHostname])) {
                $zabbixHost = $zabbixHosts[$zabbixHostNameToId[$deviceHostname]];
            }

            $hosts[] = [
                "zabbixHostId" => $zabbixHost['hostid'],
                "zabbixHostName" => $zabbixHost['name'],
                "zabbixHostIP" => $zabbixHost['host'],
                "deviceName" => $device->name,
                "deviceIP" => $device->ip,
                "checkDeviceInZabbix" => $zabbixHost !== null,
                "checkDeviceHasICMPPing" => isset($zabbixICMPItems[$zabbixHost['hostid']]),
                "checkDeviceHasSameName" => $zabbixHost['name'] === $device->name,
                "checkDeviceHasSameIP" => $zabbixHost['host'] === $device->ip
//                "raw" => [
//                    "zabbixHost" => $zabbixHost,
//                    "device" => $device->toArray()
//                ]
            ];
        }

        return [
            "status" => "success",
            "rows" => $hosts
        ];

    }
}