<?php

namespace App\Controller;

use App\Entity\Grid;
use App\Entity\Region;
use App\Kernel;
use App\Repository\GridRepository;
use App\Repository\MapRepository;
use App\Service\FileManager;
use Doctrine\ORM\EntityManagerInterface;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

#[Route('/dashboard/regions/region-{regionId}/grid')]
#[ParamConverter(data: 'region', class: Region::class, options: ['id' => 'regionId'])]
class GridController extends AbstractController {
    public function __construct(private EntityManagerInterface $_em,
                                private FileManager $fileManager,
                                private GridRepository $gridRepository,
                                private MapRepository $mapRepository) {}

    #[Route('', name: 'bo_region_grid_index', methods: ['GET'])]
    public function index(Request $request, Region $region): Response {
        $version = $request->query->get('v');
        $version = !$version || !in_array(floatval($version), Kernel::SUPPORTED_GAME_VERSION) ? Kernel::GAME_VERSION : floatval($version);

        $cells = $this->gridRepository->getGridCells($region);
        $maps = $this->mapRepository->getCellsMap($cells, $version);
        $grid = $this->gridRepository->buildWorldmap($version, $cells, $maps, true);

        return $this->render('_dashboard/grid/index.html.twig', array(
            'region' => $region,
            'grid' => $grid,
            'version' => $version,
        ));
    }

    #[Route('/edit', name: 'bo_region_grid_edit', methods: ['GET', 'POST'])]
    public function edit(Request $request, Region $region): Response {
        $logs=array();
        $form = $this->gridRepository->getGridForm('bo_region_grid_edit', $region);
        $form->handleRequest($request);

        if($form->isSubmitted() && $form->isValid()) {
            if(is_array($form->get('positions')->getData())) {
                if(in_array('row_before', $form->get('positions')->getData())) {
                    $this->addRow($region, $this->gridRepository->getGridCells($region), true);
                    $logs[]='• Added one row before.';
                }

                if(in_array('row_after', $form->get('positions')->getData())) {
                    $this->addRow($region, $this->gridRepository->getGridCells($region), false);
                    $logs[]='• Added one row after.';
                }

                if(in_array('column_before', $form->get('positions')->getData())) {
                    $this->addColumn($region, $this->gridRepository->getGridCells($region), true);
                    $logs[]='• Added one column before.';
                }

                if(in_array('column_after', $form->get('positions')->getData())) {
                    $this->addColumn($region, $this->gridRepository->getGridCells($region), false);
                    $logs[]='• Added one column after.';
                }

                $form = $this->gridRepository->getGridForm('bo_region_grid_edit', $region);
            }
        }

        return $this->renderForm('_dashboard/grid/edit.html.twig', array(
            'region' => $region,
            'form' => $form,
            'logs' => $logs,
        ));
    }

    private function addColumn(Region $region, array $cells, bool $isBefore) {
        if($isBefore) {
            foreach($cells as $_cell) {
                $_cell->setCol($_cell->getCol() + 1);
            }
        }

        for($n = 1; $n <= $region->getGridHeight(); $n++) {
            $cell = new Grid();
            $cell->setRegion($region)
                 ->setCol($isBefore ? 1 : $region->getGridWidth() + 1)
                 ->setRow($n);

            $this->_em->persist($cell);
        }

        $region->setGridWidth($region->getGridWidth() + 1);

        $this->_em->flush();
    }

    /**
     * @param Region $region
     * @param Grid[] $cells
     * @param bool $isBefore
     * @return void
     */
    private function addRow(Region $region, array $cells, bool $isBefore) {
        if($isBefore) {
            foreach($cells as $_cell) {
                $_cell->setRow($_cell->getRow() + 1);
            }
        }

        for($n = 1; $n <= $region->getGridWidth(); $n++) {
            $cell = new Grid();
            $cell->setRegion($region)
                 ->setCol($n)
                 ->setRow($isBefore ? 1 : $region->getGridHeight() + 1);

            $this->_em->persist($cell);
        }

        $region->setGridHeight($region->getGridHeight() + 1);

        $this->_em->flush();
    }
}