<?php

namespace App\Controller;

use App\Entity\Actions;
use App\Entity\Apps;
use App\Entity\Roles;
use App\Entity\User;
use App\Entity\UserOrganizatonApp;
use App\Entity\UsersOrganizations;
use App\Form\OrganizationForm;
use App\Service\ActionService;
use App\Service\OrganizationsService;
use App\Service\UserOrganizationService;
use App\Service\UserService;
use Doctrine\ORM\EntityManagerInterface;
use Exception;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Attribute\Route;
use App\Entity\Organizations;
use Symfony\Component\HttpFoundation\Response;

#[Route(path: '/organization', name: 'organization_')]
class OrganizationController extends AbstractController
{
    private const NOT_FOUND = 'Entity not found';
    private const ACCESS_DENIED = 'Access denied';


    public function __construct(private readonly EntityManagerInterface $entityManager,
                                private readonly UserService            $userService,
                                private readonly OrganizationsService   $organizationsService, private readonly ActionService $actionService, private readonly UserOrganizationService $userOrganizationService)
    {
    }

    #[Route(path: '/', name: 'index', methods: ['GET'])]
    public function index(): Response
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');
        $user = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());

        if ($this->isGranted("ROLE_SUPER_ADMIN")) {
            $organizations = $this->entityManager->getRepository(Organizations::class)->findBy(['isDeleted' => false]);


        } else {
            //get all the UO of the user
            $uos = $this->entityManager->getRepository(UsersOrganizations::class)->findBy(['users' => $user]);
            $organizations = [];
            $roleAdmin = $this->entityManager->getRepository(Roles::class)->findOneBy(['name' => 'ADMIN']);
            foreach ($uos as $uo) {
                $uoaAdmin = $this->entityManager->getRepository(UserOrganizatonApp::class)->findOneBy(['userOrganization' => $uo, 'role' => $roleAdmin]);
                if ($uoaAdmin) {
                    $organizations[] = $uo->getOrganization();
                }
            }
            if(count($organizations) === 1 && $organizations[0]->isActive() === true){
                return $this->redirectToRoute('organization_show', ['id' => $organizations[0]->getId()]);
            }

        }
        // Map the entities for tabulator
        $organizationsData = array_map(function($org) {
            return [
                'id' => $org->getId(),
                'name' => $org->getName(),
                'email' => $org->getEmail(),
                'logoUrl' => $org->getLogoUrl() ? $org->getLogoUrl() : null, // or prepend base URL if needed
                'active' => $org->isActive(),
                'showUrl' => $this->generateUrl('organization_show', ['id' => $org->getId()]),
            ];
        }, $organizations);
        return $this->render('organization/index.html.twig', [
            'organizationsData' => $organizationsData,
        ]);
    }

    #[Route(path: '/new', name: 'new', methods: ['GET', 'POST'])]
    public function new(Request $request)
    {
        $this->denyAccessUnlessGranted('ROLE_SUPER_ADMIN');
        $actingUser = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());
        if ($request->isMethod('POST')) {
            $organization = new Organizations();
            $form = $this->createForm(OrganizationForm::class, $organization);
            $form->handleRequest($request);
            if ($form->isSubmitted() && $form->isValid()) {
                $logoFile = $form->get('logoUrl')->getData();
                if ($logoFile) {
                    $this->organizationService->handleLogo($organization, $logoFile);
                }
                try {
                    $this->entityManager->persist($organization);
                    $this->entityManager->flush();
                    $this->actionService->createAction("Create Organization", $actingUser, $organization, $organization->getName());
                    return $this->redirectToRoute('organization_index');
                } catch (Exception $e) {
                    $this->addFlash('error', 'Error creating organization: ' . $e->getMessage());
                }
            }
            return $this->render('organization/new.html.twig', [
                'form' => $form->createView(),
            ]);
        }

        $form = $this->createForm(OrganizationForm::class);
        return $this->render('organization/new.html.twig', [
            'form' => $form->createView(),
        ]);
    }

    #[Route(path: '/edit/{id}', name: 'edit', methods: ['GET', 'POST'])]
    public function edit(Request $request, $id)
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');
        $actingUser = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());
        $organization = $this->entityManager->getRepository(Organizations::class)->find($id);
        if (!$organization) {
            $this->addFlash('error', self::NOT_FOUND);
            return $this->redirectToRoute('organization_index');
        }
        if (!$this->isGranted("ROLE_SUPER_ADMIN")) {
            //check if the user is admin of the organization
            $user = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());
            $uo = $this->entityManager->getRepository(UsersOrganizations::class)->findOneBy(['users' => $user, 'organization' => $organization]);
            if (!$uo) {
                $this->addFlash('error', self::ACCESS_DENIED);
                return $this->redirectToRoute('organization_index');
            }
            $roleAdmin = $this->entityManager->getRepository(Roles::class)->findOneBy(['name' => 'ADMIN']);
            $uoaAdmin = $this->entityManager->getRepository(UserOrganizatonApp::class)->findOneBy(['userOrganization' => $uo, 'role' => $roleAdmin]);
            if (!$uoaAdmin) {
                $this->addFlash('error', self::ACCESS_DENIED);
                return $this->redirectToRoute('organization_index');
            }
        }
        $form = $this->createForm(OrganizationForm::class, $organization);
        $form->handleRequest($request);
        if ($form->isSubmitted() && $form->isValid()) {
            $logoFile = $form->get('logoUrl')->getData();
            if ($logoFile) {
                $this->organizationsService->handleLogo($organization, $logoFile);
            }
            try {
                $this->entityManager->persist($organization);
                $this->entityManager->flush();
                $this->actionService->createAction("Edit Organization", $actingUser, $organization, $organization->getName());
                return $this->redirectToRoute('organization_index');
            } catch (Exception $e) {
                $this->addFlash('error', 'Error editing organization: ' . $e->getMessage());
            }
        }
        return $this->render('organization/edit.html.twig', [
            'form' => $form->createView(),
            'organization' => $organization,
        ]);
    }

    #[Route(path: '/view/{id}', name: 'show', methods: ['GET'])]
    public function view($id)
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');
        $organization = $this->entityManager->getRepository(Organizations::class)->find($id);
        $actingUser = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());
        if (!$organization) {
            $this->addFlash('error', self::NOT_FOUND);
            return $this->redirectToRoute('organization_index');
        }
        //check if the user is admin of the organization
        if (!$this->isGranted("ROLE_SUPER_ADMIN") && !$this->userService->isAdminOfOrganization($organization)) {
            $this->createNotFoundException(self::NOT_FOUND);
        }
        $newUO = $this->entityManager->getRepository(UsersOrganizations::class)->findNewestUO($organization);
        $newUsers = [];
        foreach ($newUO as $uo) {
            $newUsers[] = $uo->getUsers();
        }
        $adminUO = $this->entityManager->getRepository(UsersOrganizations::class)->findAdminsInOrganization($organization);
        $adminUsers = [];
        foreach ($adminUO as $uo) {
            $adminUsers[] = $uo->getUsers();
        }
        $uos = $this->entityManager
            ->getRepository(UsersOrganizations::class)
            ->findBy(['organization' => $organization]);

        $users = $this->userService->formatOrgUsers($uos);

        $allApps = $this->entityManager->getRepository(Apps::class)->findAll(); // appsAll
        $orgApps = $organization->getApps()->toArray(); // apps

        $apps = $this->organizationsService->appsAccess($allApps, $orgApps);

        $actions = $this->entityManager->getRepository(Actions::class)->findBy(['Organization' => $organization]);
        $activities = $this->actionService->formatActivities($actions);

        $this->actionService->createAction("View Organization", $actingUser, $organization, $organization->getName());
        return $this->render('organization/show.html.twig', [
            'organization' => $organization,
            'newUsers' => $newUsers,
            'adminUsers' => $adminUsers,
            'users' => $users,
            'applications' => $apps,
            'activities' => $activities,
            ]);
    }

    #[Route(path: '/delete/{id}', name: 'delete', methods: ['POST'])]
    public function delete($id)
    {
        $this->denyAccessUnlessGranted("ROLE_ADMIN");
        $actingUser = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());
        $organization = $this->entityManager->getRepository(Organizations::class)->find($id);
        if (!$organization) {
            throw $this->createNotFoundException(self::NOT_FOUND);
        }
        $organization->setIsActive(false);
        $organization->setIsDeleted(true);
        // Deactivate all associated UsersOrganizations
        $this->userOrganizationService->deactivateAllUserOrganizationLinks($actingUser, null, $organization);

        $this->entityManager->persist($organization);
        $this->actionService->createAction("Delete Organization", $actingUser, $organization, $organization->getName());
        return $this->redirectToRoute('organization_index');
    }

    #[Route(path: '/deactivate/{id}', name: 'deactivate', methods: ['POST'])]
    public function deactivate($id){
    $this->denyAccessUnlessGranted("ROLE_SUPER_ADMIN");
    $actingUser = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());
    $organization = $this->entityManager->getRepository(Organizations::class)->find($id);
    if (!$organization) {
        throw $this->createNotFoundException(self::NOT_FOUND);
    }
    $organization->setIsActive(false);
    $this->userOrganizationService->deactivateAllUserOrganizationLinks($actingUser, null, $organization);
    $this->entityManager->persist($organization);
    $this->actionService->createAction("Deactivate Organization", $actingUser, $organization, $organization->getName());
    return $this->redirectToRoute('organization_index');
    }

    #[Route(path: '/activate/{id}', name: 'activate', methods: ['POST'])]
    public function activate($id){
        $this->denyAccessUnlessGranted("ROLE_SUPER_ADMIN");
        $actingUser = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());
        $organization = $this->entityManager->getRepository(Organizations::class)->find($id);
        if (!$organization) {
            throw $this->createNotFoundException(self::NOT_FOUND);
        }
        $organization->setIsActive(true);
        $this->entityManager->persist($organization);
        $this->actionService->createAction("Activate Organization", $actingUser, $organization, $organization->getName());
        return $this->redirectToRoute('organization_index');
    }

//    API endpoint to fetch organization data for Tabulator
    #[Route(path: '/data', name: 'data', methods: ['GET'])]
    public function data(Request $request): JsonResponse
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');


        $page = max(1, (int)$request->query->get('page', 1));
        $size = max(1, (int)$request->query->get('size', 10));

        $sorters = $request->query->all('sorters');
        $filters = $request->query->all('filters');


        $user = $this->userService->getUserByIdentifier($this->getUser()->getUserIdentifier());

        $qb = $this->entityManager->getRepository(Organizations::class)->createQueryBuilder('o')
            ->where('o.isDeleted = :del')->setParameter('del', false);

        // Example: apply filters (basic equals/like)
        foreach ($filters as $f) {
            if (!isset($f['field'], $f['type'])) { continue; }
            $param = 'p_' . $f['field'];
            if ($f['type'] === 'like' || $f['type'] === 'contains') {
                $qb->andWhere("LOWER(o.{$f['field']}) LIKE :$param")
                    ->setParameter($param, '%' . mb_strtolower((string)$f['value']) . '%');
            } elseif ($f['type'] === '=') {
                $qb->andWhere("o.{$f['field']} = :$param")
                    ->setParameter($param, $f['value']);
            }
        }

        // Example: apply sorters
        foreach ($sorters as $s) {
            if (!isset($s['field'], $s['dir'])) { continue; }
            $dir = strtolower($s['dir']) === 'desc' ? 'DESC' : 'ASC';
            $qb->addOrderBy('o.' . $s['field'], $dir);
        }

        // Count total
        $countQb = clone $qb;
        $total = (int)$countQb->select('COUNT(o.id)')->getQuery()->getSingleScalarResult();

        // Pagination
        $offset = ($page - 1) * $size;
        $rows = $qb->setFirstResult($offset)->setMaxResults($size)->getQuery()->getResult();

        // Map to array
        $data = array_map(function(Organizations $org) {
            return [
                'id' => $org->getId(),
                'name' => $org->getName(),
                'email' => $org->getEmail(),
                'logoUrl' => $org->getLogoUrl() ?: null,
                'active' => $org->isActive(),
                'showUrl' => $this->generateUrl('organization_show', ['id' => $org->getId()]),
            ];
        }, $rows);

        // Tabulator expects: data, last_page (total pages), or total row count depending on config
        $lastPage = (int)ceil($total / $size);

        return $this->json([
            'data' => $data,
            'last_page' => $lastPage,
            'total' => $total, // optional, useful for debugging
        ]);
    }


}