<?php
namespace Seria;

use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;
use Seria\Torrents\TorrentPeers;

final class SeriaSasaeExtension extends AbstractExtension {
    private TorrentPeers $peers;

    public function __construct(
        private SeriaContext $ctx,
        private SiteInfo $siteInfo
    ) {
        $this->peers = $ctx->getTorrentsContext()->getPeers();
    }

    public function getFunctions() {
        return [
            new TwigFunction('csrfp_token', $this->ctx->getCSRFP()->createToken(...)),
            new TwigFunction('git_commit_hash', GitInfo::hash(...)),
            new TwigFunction('git_tag', GitInfo::tag(...)),
            new TwigFunction('git_branch', GitInfo::branch(...)),
            new TwigFunction('seria_startup_time', fn(float $time = SERIA_STARTUP) => microtime(true) - $time),
            new TwigFunction('seria_db_query_count', $this->ctx->getDbQueryCount(...)),
            new TwigFunction('seria_header_menu', $this->getHeaderMenu(...)),
            new TwigFunction('seria_ratio_colour', Colours::forRatio(...)),
            new TwigFunction('seria_filesize_colour', Colours::forFileSize(...)),
            new TwigFunction('seria_count_user_uploading', $this->peers->countUserUploading(...)),
            new TwigFunction('seria_count_user_downloading', $this->peers->countUserDownloading(...)),
        ];
    }

    public function getHeaderMenu(): array {
        $menu = [];
        $authInfo = $this->ctx->getAuthInfo();

        if($authInfo->isLoggedIn())
            $menu[] = [
                'text' => 'Settings',
                'url' => '/settings',
            ];
        else
            $menu[] = [
                'text' => 'Log in',
                'url' => $this->siteInfo->getLoginUrl(),
            ];

        $menu[] = [
            'text' => 'Available Downloads',
            'url' => '/available',
        ];

        if($authInfo->isLoggedIn()) {
            $userInfo = $authInfo->getUserInfo();

            if($userInfo->canCreateTorrents())
                $menu[] = [
                    'text' => 'Create Torrent',
                    'url' => '/create',
                ];

            if($userInfo->canApproveTorrents())
                $menu[] = [
                    'text' => 'Pending Torrents',
                    'url' => '/pending',
                ];
        }

        return $menu;
    }
}