<?php

namespace App\Controller;

use App\Entity\User;
use App\Form\UserForm;
use App\Service\UserOrganizationService;
use App\Service\UserService;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Attribute\Route;

#[Route(path: '/user', name: 'user_')]
class UserController extends AbstractController
{
    private const NOT_FOUND = 'User not found';
    public function __construct(
        private readonly UserOrganizationService $userOrganizationService,
        private readonly EntityManagerInterface $entityManager,
        private readonly UserService $userService)
    {
    }

    /**
     * GET /user - List all users (index/collection)
     */
    #[Route('/', name: 'index', methods: ['GET'])]
    public function index(EntityManagerInterface $entityManager): Response
    {
        if ($this->isGranted('ROLE_SUDALYS_ADMIN')) {
            $users = $entityManager->getRepository(User::class)->getAllActiveUsers();
        } else {
            $users = 'Not Super Admin';
        }
        return $this->render('user/index.html.twig', [
            'users' => $users,
            'controller_name' => 'IndexController',
        ]);
    }

    /**
     * GET /user/{id} - Show specific user (show/member)
     */
    #[Route('/{id}', name: 'show', requirements: ['id' => '\d+'], methods: ['GET'])]
    public function show(int $id, EntityManagerInterface $entityManager): Response
    {
        if (!$this->isGranted('ROLE_SUDALYS_ADMIN')) {
            throw $this->createAccessDeniedException('Access denied');
        }

        $user = $entityManager->getRepository(User::class)->find($id);
        if (!$user) {
            throw $this->createNotFoundException(self::NOT_FOUND);
        }

        $userOrganizations = $this->userOrganizationService->getUserOrganizations($user);

        return $this->render('user/profile.html.twig', [
            'user' => $user,
            'userOrganizations' => $userOrganizations,
        ]);
    }

    /**
     * GET /user/new - Show form to create new user and handle submission
     */
    #[Route('/new', name: 'new', methods: ['GET', 'POST'])]
    public function new(Request $request): Response
    {
        $form = $this->createForm(UserForm::class);

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            //Data is a User object. App\Form\NewUserForm is a form type that maps to User entity
            $data = $form->getData();
            // Handle user creation logic here

            //FOR DEV PURPOSES ONLY
            $data->setPictureUrl("");
            $data->setPassword($this->userService->generateRandomPassword());
            //FOR DEV PURPOSES ONLY

            $this->entityManager->persist($data);
            $this->entityManager->flush();

            // Redirect to user index
            return $this->redirectToRoute('user_index');
        }

        return $this->render('user/new.html.twig', [
            'form' => $form->createView(),
        ]);
    }

    /**
     * GET /user/{id}/edit - Show form to edit user
     */
    #[Route('/{id}/edit', name: 'edit', requirements: ['id' => '\d+'], methods: ['GET', 'PUT', 'POST'])]
    public function edit(int $id, EntityManagerInterface $entityManager, Request $request): Response
    {
        //Handle access control
        if (!$this->isGranted('ROLE_SUDALYS_ADMIN')) {
            throw $this->createAccessDeniedException('Access denied');
        }

        //Fetch user by ID and handle not found case
        $user = $entityManager->getRepository(User::class)->find($id);
        if (!$user) {
            throw $this->createNotFoundException(self::NOT_FOUND);
        }

        //Create form for editing user
        $form = $this->createForm(UserForm::class, $user);

        //Handle form submission
        $form->handleRequest($request);
        if ($form->isSubmitted() && $form->isValid()) {
            //Persist changes to the user entity
            $entityManager->persist($user);
            $entityManager->flush();

            //Redirect to user profile after successful edit
            return $this->redirectToRoute('user_show', ['id' => $user->getId()]);
        }

        return $this->render('user/edit.html.twig', [
            'form' => $form->createView(),
            'user' => $user,
        ]);
    }


    /**
     * DELETE /user/{id} - Delete user
     */
    #[Route('/{id}', name: 'setDelete', requirements: ['id' => '\d+'], methods: ['POST'])]
    public function setDelete(int $id, EntityManagerInterface $entityManager): Response
    {
        //This method is used to set a user as deleted without actually removing them from the database.

        //Handle access control
        if (!$this->isGranted('ROLE_SUDALYS_ADMIN')) {
            throw $this->createAccessDeniedException('Access denied');
        }
        //Fetch user by ID and handle not found case
        $user = $entityManager->getRepository(User::class)->find($id);
        if (!$user) {
            throw $this->createNotFoundException(self::NOT_FOUND);
        }

        // Handle user deletion logic
        $user->setIsDeleted(true);
        $entityManager->persist($user);
        $entityManager->flush();

        return $this->redirectToRoute('user_index');
    }

    /**
     * DELETE /user/{id} - Delete user
     */
    #[Route('/{id}', name: 'delete', requirements: ['id' => '\d+'], methods: ['DELETE'])]
    public function delete(int $id, EntityManagerInterface $entityManager): Response
    {
        if (!$this->isGranted('ROLE_SUDALYS_ADMIN')) {
            throw $this->createAccessDeniedException('Access denied');
        }

        $user = $entityManager->getRepository(User::class)->find($id);
        if (!$user) {
            throw $this->createNotFoundException(self::NOT_FOUND);
        }

        // Handle user deletion logic
        $entityManager->remove($user);
        $entityManager->flush();

        return $this->redirectToRoute('user_index');
    }


    #[Route('/deactivate/{id}', name: 'deactivate', methods: ['GET'])]
    public function userDeactivate(Request $request, EntityManagerInterface $entityManager): Response
    {
        if ($this->isGranted('ROLE_SUDALYS_ADMIN')) {
            $userId = $request->attributes->get('id');
            $user = $entityManager->getRepository(User::class)->find($userId);
            if (!$user) {
                throw $this->createNotFoundException(self::NOT_FOUND);
            }
            $user->setIsActive(false);
            $entityManager->persist($user);
            $entityManager->flush();
            return $this->redirectToRoute('user_index');
        }
        return new Response('Unauthorized', Response::HTTP_UNAUTHORIZED);
    }


}