<?php


namespace ModulesGarden\ProxmoxAddon\App\Jobs\Vps;


use MGProvision\Proxmox\v2\models\Kvm;
use MGProvision\Proxmox\v2\models\Snapshot;
use MGProvision\Proxmox\v2\repository\SnapshotRepository;
use ModulesGarden\ProxmoxAddon\App\Models\SnapshotJob;
use ModulesGarden\ProxmoxAddon\App\Services\Vps\ProductService;
use ModulesGarden\ProxmoxAddon\App\Enum\Vps\ConfigurableOption;

class SnapshotVmJob extends BaseJob
{

    use ProductService;

    /**
     * @var SnapshotJob
     */
    private  $snapshotJob;

    public function handle($text = null)
    {
        $this->initParams();
        $this->setHostingId($this->getWhmcsParamByKey("serviceid"));
        if ($this->isDone())
        {
            return true;
        }
        elseif ($this->isTaskRunning())
        {
            //sleep
            $this->sleep(5);
            return false;
        }
        $this->clean();
        $snapshot = new Snapshot();
        $snapshot->setApi($this->api());
        $snapshot->setPath($this->vm()->getPath() . "/snapshot");
        $snapshot->setAttributes([
            "name"        => $this->getSnapshotJob()->name."_".$this->model->id,
            "description" => $this->snapshotJob->description,
        ]);
        if (!is_null($this->snapshotJob->vmstate ) && $this->vm() instanceof  Kvm)
        {
            $snapshot->setVmstate($this->snapshotJob->vmstate );
        }
        $taskId =  $snapshot->create();
        //save task id
        $this->putModelDataAndSave(["taskId" => $taskId, "node" => $this->vm()->getNode()]);
        //sleep
        $this->sleep(5);
        return false;
    }

    /**
     * @return SnapshotJob
     */
    private  function getSnapshotJob(){
        return $this->snapshotJob = SnapshotJob::findOrFail($this->getModelData()['snapshotJobId']);
    }

    private function clean(){
        $limit = $this->getWhmcsConfigOption(ConfigurableOption::SNAPSHOTS, $this->configuration()->getSnapshotMaxFiles());
        if($limit=="-1"){
            return;
        }
        if(!$limit || !is_numeric($limit)){
            throw new \InvalidArgumentException("Snapshot limit cannot be empty");
        }
        $snapshotRepository = new SnapshotRepository();
        $snapshotRepository->setApi($this->api());
        $snapshotRepository->findByVm($this->vm());
        $snapshotRepository->ignoreCurrent(true);
        if($snapshotRepository->count() < $limit){
            return;
        }
        $toDelete = (int) $snapshotRepository->count() - $limit;
        foreach ($snapshotRepository->sortBySnaptime()->fetch() as $entity)
        {
            if($toDelete <=0){
                break;
            }
            $entity->delete();
            $toDelete --;
        }
    }
}