<?php

namespace Opentalent\OtTemplating\Page;

use FluidTYPO3\Vhs\Service\PageService;
use TYPO3\CMS\Core\Exception\SiteNotFoundException;
use TYPO3\CMS\Core\Site\SiteFinder;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Object\ObjectManager;
use TYPO3\CMS\Frontend\Page\PageRepository;

/**
 * Class OtPageRepository
 *
 * Provides some useful methods to query typo3 pages
 *
 * @package Opentalent\OtTemplating\Page
 */
class OtPageRepository extends PageRepository
{
    CONST templates = [
        'Classic' => [
            'name' => 'Classique',
            'description' => "Le thème classique, simple et complet. C'est le thème par défaut.",
            'picture' => 'EXT:ot_templating/Resources/Public/media/theme_classic.png'
        ],
        'Modern' => [
            'name' => 'Moderne',
            'description' => '[Nouveauté 2020] Un thème moderne et intuitif.',
            'picture' => 'EXT:ot_templating/Resources/Public/media/theme_modern.png'
        ]
    ];

    CONST defaultTemplate = 'Classic';

    CONST defaultPreferences = [
        'themeColor' => 'lightblue',
        'displayCarousel' => '1'
    ];

    /**
     * Returns the root page of the given page,
     * or the page itself if the given page is
     * already the rootpage of the site
     *
     * @param $pageUid
     *
     * @return array
     */
    public function getRootPageFor($pageUid) {
        $pageService = GeneralUtility::makeInstance(ObjectManager::class)->get(PageService::class);
        $rootLine = $pageService->getRootLine($pageUid);

        for (end($rootLine); key($rootLine)!==null; prev($rootLine)){
            $page = current($rootLine);
            if ($page['is_siteroot'] == 1) {
                return $page;
            }
        }
        return [];
    }

    /**
     * Recursively returns all the subpages of the given page
     *
     * @param $pageUid
     * @return array
     */
    public function getAllSubpagesForPage($pageUid) {
        $subpages = [];

        $stack = $this->getSubpagesForPages(
            [$pageUid],
            '*',
            'sorting',
            '',
            false
        );

        foreach ($stack as $page) {
            $subpages[] = $page;
            $children = $this->getAllSubpagesForPage($page['uid']);
            if (!empty($children)) {
                $subpages = array_merge($subpages, $children);
            }
        }
        return $subpages;
    }

    /**
     * Returns the current site template's name
     * @return string
     */
    public function getCurrentTemplate() {
        $rootPageUid = $this->getCurrentSiteRootPageId();
        if (!($rootPageUid >= 0)) {
//            throw new \RuntimeException('Can not find any root page');
            return self::defaultTemplate;
        }

        $rootPage = $this->getPage($rootPageUid);
        $templateName = $rootPage['tx_opentalent_template'];
        if ($templateName==='') {
            return self::defaultTemplate;
        }
        return $templateName;
    }

    /**
     * Returns the current site template's name
     * @return array
     */
    public function getTemplatePreferences() {
        $rootPageUid = $this->getCurrentSiteRootPageId();
        if (!($rootPageUid >= 0)) {
            return [];
        }

        $rootPage = $this->getPage($rootPageUid);
        $templatePreferences = $rootPage['tx_opentalent_template_preferences'];

        if ($templatePreferences==='') {
            return self::defaultPreferences;
        }
        return json_decode($templatePreferences, true);
    }

    /**
     * Returns the typo3 site matching the current request
     *
     */
    public function getCurrentSite() {
        $request = $GLOBALS['TYPO3_REQUEST'];
        $site = $request->getAttribute('site');
        return GeneralUtility::makeInstance(SiteFinder::class)
            ->getSiteByIdentifier($site->getIdentifier());
    }

    /**
     *
     */
    public function getCurrentSiteRootPageId() {
        $site = $this->getCurrentSite();
        return $site->getRootPageId();
    }

    /**
     *
     */
    public function getCurrentSiteRootPageUri() {
        $site = $this->getCurrentSite();
        return $site->getBase();
    }

    /**
     *
     */
    public function getCurrentSiteRootPage() {
        $uid = $this->getCurrentSiteRootPageUri();
        return $this->getPage($uid);
    }

}