<?php
namespace OCA\Deckflow\Service;

use OCP\IUserSession;
use OCA\Deck\Service\DeckService;
use OCP\ILogger;

class WorkflowService {

    private $userSession;
    private $deckService;
    private $logger;

    public function __construct(IUserSession $userSession, DeckService $deckService, ILogger $logger) {
        $this->userSession = $userSession;
        $this->deckService = $deckService;
        $this->logger = $logger;
    }

    public function moveOverdueCards() {
        $user = $this->userSession->getUser();
        if ($user === null) {
            return;
        }

        // Hole alle Decks für den User
        $decks = $this->deckService->getDecksByUser($user->getUID());

        foreach ($decks as $deck) {
            // Hole die Quell- und Zielstapel
            $sourceStack = $deck->getStackById('sourceStackId'); // Ersetze durch die Konfiguration
            $targetStack = $deck->getStackById('targetStackId'); // Ersetze durch die Konfiguration

            // Überprüfe alle Karten im Quellstapel auf Überfälligkeit
            foreach ($sourceStack->getCards() as $card) {
                if ($this->isCardOverdue($card)) {
                    $this->moveCardToTargetStack($card, $targetStack);
                }
            }
        }
    }

    private function isCardOverdue($card) {
        $dueDate = $card->getDueDate();
        return $dueDate && $dueDate < time();
    }

    private function moveCardToTargetStack($card, $targetStack) {
        $this->deckService->moveCardToStack($card, $targetStack);
        $this->logger->info("Card moved to target stack.");
    }
}