<?php declare(strict_types=1);
namespace openvk\Web\Presenters;
use openvk\Web\Models\Repositories\{Documents, Clubs};
use openvk\Web\Models\Entities\Document;

final class DocumentsPresenter extends OpenVKPresenter
{
    protected $presenterName = "documents";
    protected $silent = true;

    function renderList(?int $owner_id = NULL): void
    {
        $this->template->_template = "Documents/List.xml";
        if($owner_id > 0)
            $this->notFound();

        if($owner_id < 0) {
            $owner = (new Clubs)->get(abs($owner_id));
            if(!$owner || $owner->isBanned())
                $this->notFound();
            else
                $this->template->group = $owner;
        }

        if(!$owner_id)
            $owner_id = $this->user->id;

        $current_tab   = (int)($this->queryParam("tab") ?? 0);
        $current_order = (int)($this->queryParam("order") ?? 0);
        $page  = (int)($this->queryParam("p") ?? 1);
        $order = in_array($current_order, [0,1,2]) ? $current_order : 0;
        $tab   = in_array($current_tab, [0,1,2,3,4,5,6,7,8]) ? $current_tab : 0;

        $docs = (new Documents)->getDocumentsByOwner($owner_id, (int)$order, (int)$tab);
        $this->template->tabs  = (new Documents)->getTypes($owner_id);
        $this->template->current_tab = $tab;
        $this->template->order = $order;
        $this->template->count = $docs->size();
        $this->template->docs  = iterator_to_array($docs->page($page, OPENVK_DEFAULT_PER_PAGE));
        $this->template->locale_string = "you_have_x_documents";
        if($owner_id < 0) {
            $this->template->locale_string = "group_has_x_documents";
        } elseif($current_tab != 0) {
            $this->template->locale_string = "x_documents_in_tab";
        }

        $this->template->canUpload = $owner_id == $this->user->id || $this->template->group->canBeModifiedBy($this->user->identity);
        $this->template->paginatorConf = (object) [
            "count"   => $this->template->count,
            "page"    => $page,
            "amount"  => sizeof($this->template->docs),
            "perPage" => OPENVK_DEFAULT_PER_PAGE,
        ];
    }

    function renderListGroup(?int $gid)
    {
        $this->renderList($gid);
    }

    function renderUpload()
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        $group  = NULL;
        $isAjax = $this->postParam("ajax", false) == 1;
        $ref    = $this->postParam("referrer", false) ?? "user";

        if(!is_null($this->queryParam("gid"))) {
            $gid   = (int) $this->queryParam("gid");
            $group = (new Clubs)->get($gid);
            if(!$group || $group->isBanned())
                $this->flashFail("err", tr("forbidden"), tr("not_enough_permissions_comment"), null, $isAjax);

            if(!$group->canUploadDocs($this->user->identity))
                $this->flashFail("err", tr("forbidden"), tr("not_enough_permissions_comment"), null, $isAjax);
        }

        $this->template->group = $group;
        if($_SERVER["REQUEST_METHOD"] !== "POST")
            return;

        $owner = $this->user->id;
        if($group) {
            $owner = $group->getRealId();
        }
        
        $upload = $_FILES["blob"];
        $name = $this->postParam("name");
        $tags = $this->postParam("tags");
        $folder = $this->postParam("folder");
        $owner_hidden = ($this->postParam("owner_hidden") ?? "off") === "on";

        $document = new Document;
        $document->setOwner($owner);
        $document->setName($name);
        $document->setFolder_id($folder);
        $document->setTags(empty($tags) ? NULL : $tags);
        $document->setOwner_hidden($owner_hidden);
        $document->setFile([
            "tmp_name" => $upload["tmp_name"],
            "error"    => $upload["error"],
            "name"     => $upload["name"],
            "size"     => $upload["size"],
            "preview_owner" => $this->user->id,
        ]);

        $document->save();

        if(!$isAjax) {
            $this->redirect("/docs" . (isset($group) ? $group->getRealId() : ""));
        } else {
            $this->returnJson([
                "success"  => true,
                "redirect" => "/docs" . (isset($group) ? $group->getRealId() : ""),
            ]);
        }
    }
}