<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\BudgetBundle\Controller;

use Chill\BudgetBundle\Calculator\CalculatorManager;
use Chill\BudgetBundle\Entity\Charge;
use Chill\BudgetBundle\Entity\Resource;
use Chill\BudgetBundle\Security\Authorization\BudgetElementVoter;
use Chill\PersonBundle\Entity\Household\Household;
use Chill\PersonBundle\Entity\Person;
use DateTime;
use Doctrine\ORM\EntityManagerInterface;
use Psr\Log\LoggerInterface;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Contracts\Translation\TranslatorInterface;

use function array_merge;
use function count;

class ElementController extends AbstractController
{
    protected CalculatorManager $calculator;

    protected LoggerInterface $chillMainLogger;

    protected EntityManagerInterface $em;

    protected TranslatorInterface $translator;

    public function __construct(
        EntityManagerInterface $em,
        TranslatorInterface $translator,
        LoggerInterface $chillMainLogger,
        CalculatorManager $calculator
    ) {
        $this->em = $em;
        $this->translator = $translator;
        $this->chillMainLogger = $chillMainLogger;
        $this->calculator = $calculator;
    }

    /**
     * @Route(
     *     "{_locale}/budget/elements/by-person/{id}",
     *     name="chill_budget_elements_index"
     * )
     */
    public function indexAction(Person $person)
    {
        $this->denyAccessUnlessGranted(BudgetElementVoter::SEE, $person);

        $charges = $this->em
            ->getRepository(Charge::class)
            ->findByPerson($person);

        $ressources = $this->em
            ->getRepository(Resource::class)
            ->findByPerson($person);

        $now = new DateTime('now');

        $actualCharges = $this->em
            ->getRepository(Charge::class)
            ->findByEntityAndDate($person, $now);
        $actualResources = $this->em
            ->getRepository(Resource::class)
            ->findByEntityAndDate($person, $now);

        $elements = array_merge($actualCharges, $actualResources);

        if (count($elements) > 0) {
            $results = $this->calculator->calculateDefault($elements);
        }

        return $this->render('ChillBudgetBundle:Person:index.html.twig', [
            'person' => $person,
            'charges' => $charges,
            'resources' => $ressources,
            'results' => $results ?? [],
        ]);
    }

    /**
     * @Route(
     *     "{_locale}/budget/elements/by-household/{id}",
     *     name="chill_budget_elements_household_index"
     * )
     */
    public function indexHouseholdAction(Household $household)
    {
        $this->denyAccessUnlessGranted(BudgetElementVoter::SEE, $household);

        $charges = $this->em
            ->getRepository(Charge::class)
            ->findByHousehold($household);

        $ressources = $this->em
            ->getRepository(Resource::class)
            ->findByHousehold($household);

        $now = new DateTime('now');

        $actualCharges = $this->em
            ->getRepository(Charge::class)
            ->findByEntityAndDate($household, $now);
        $actualResources = $this->em
            ->getRepository(Resource::class)
            ->findByEntityAndDate($household, $now);

        $elements = array_merge($actualCharges, $actualResources);

        if (count($elements) > 0) {
            $results = $this->calculator->calculateDefault($elements);
        }

        // quick solution to calculate the sum, difference and amount from
        // controller. This should be done from the calculators
        // TODO replace this by calculators
        $wholeCharges = $actualCharges;
        $wholeResources = $actualResources;

        foreach ($household->getCurrentPersons() as $person) {
            $wholeCharges = array_merge(
                $wholeCharges,
                $this->em
                    ->getRepository(Charge::class)
                    ->findByEntityAndDate($person, $now)
            );
            $wholeResources = array_merge(
                $wholeResources,
                $this->em
                    ->getRepository(Resource::class)
                    ->findByEntityAndDate($person, $now)
            );
        }

        return $this->render('ChillBudgetBundle:Household:index.html.twig', [
            'household' => $household,
            'charges' => $charges,
            'resources' => $ressources,
            'wholeResources' => array_filter($wholeResources, static function (Resource $r) use ($now) {
                return $r->getStartDate() <= $now && ($r->getEndDate() === null || $r->getEndDate() >= $now);
            }),
            'wholeCharges' => array_filter($wholeCharges, static function (Charge $c) use ($now) {
                return $c->getStartDate() <= $now && ($c->getEndDate() === null || $c->getEndDate() >= $now);
            }),
            'results' => $results ?? [],
        ]);
    }
}