<?php

namespace Opentalent\OtStats\Controller;

use Opentalent\OtCore\Exception\NoSiteSelected;
use Opentalent\OtStats\Domain\Repository\MatomoWebsiteRepository;
use Opentalent\OtStats\Settings\StatsSettingsRepository;
use Opentalent\OtCore\Page\OtPageRepository;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use TYPO3\CMS\Extbase\Mvc\Exception\StopActionException;

/**
 * Controller for the OtStats backend submodule
 *
 * @author olivier.massot
 */
class OtStatsController extends ActionController {

    /**
     * Index action (default action)
     * Displays the customizer page on the backend
     */
    public function indexAction() {

        // Get the current page uid
        try {
            $rootUid = $this->getCurrentRootUidOrAbort();
        } catch (NoSiteSelected $e) {
            $this->view->assign('pageSelected', 0);
            return;
        }

        $this->view->assign('pageSelected', 1);
        $this->view->assign('rootPage', $rootUid);

        $statsSettingsRepository = GeneralUtility::makeInstance(StatsSettingsRepository::class);
        $matomoId = $statsSettingsRepository->getMatomoSiteId($rootUid);

        $statsActivated = ($matomoId !== null);
        $this->view->assign('statsActivated', (int)$statsActivated);
        if (!$statsActivated) {
            return;
        }

        $this->view->assign('matomoSiteId', (int)$matomoId);
    }

    /**
     * Creates a matomo site record if none exists and
     * save its id
     */
    public function enableStatsAction() {
        // Get the current page uid
        try {
            $rootUid = $this->getCurrentRootUidOrAbort();
        } catch (NoSiteSelected $e) {
            $this->forward('index');
        }

        $matomoRepository = GeneralUtility::makeInstance(MatomoWebsiteRepository::class);

        try {
            $matomoRepository->createFor($rootUid);
        } catch (\RuntimeException $e) {
            $this->view->assign(
                'errorMsg',
                "Une erreur s'est produite lors de l'opération, veuillez contacter un administrateur"
            );
        }
        $this->forward('index');
    }

    /**
     * Disable the stats monitoring
     *
     * @param int $rootUid    Pass the rootUid of the site as an argument to confirm of the decision
     *                          of disabling the website. If no rootUid is passed, the user will be redirected to a
     *                          confirmation page.
     * @throws StopActionException
     */
    public function disableStatsAction(int $rootUid) {

        $matomoRepository = GeneralUtility::makeInstance(MatomoWebsiteRepository::class);

        try {
            $matomoRepository->disableFor($rootUid);
        } catch (\RuntimeException $e) {
            $this->view->assign(
                'errorMsg',
                "Une erreur s'est produite lors de l'opération, veuillez contacter un administrateur"
            );
        }
        $this->forward('index');
    }

    /**
     * Display a confirmation page
     */
    public function confirmDeletionAction() {
        try {
            $rootUid = $this->getCurrentRootUidOrAbort();
        } catch (NoSiteSelected $e) {
            $this->forward('index');
        }
        $this->view->assign('rootUid', $rootUid);
    }

    /**
     * Return the root uid of the currently selected website if any,
     * or throw a NoSiteSelected exception
     *
     * @return int|mixed
     * @throws NoSiteSelected
     */
    private function getCurrentRootUidOrAbort() {
        $rootUid = (int)GeneralUtility::_GP('id');

        $otPageRepository = GeneralUtility::makeInstance(OtPageRepository::class);
        $rootPage = $otPageRepository->getRootPageFor($rootUid);
        $rootUid = $rootPage['uid'] ?? 0;
        if (!$rootUid > 0) {
            throw new NoSiteSelected();
        }
        return $rootUid;
    }
}