<?php

namespace App\Controller;

use App\Entity\MemberCase;
use App\Entity\ReferralSource;
use App\Entity\User;
use App\Entity\UserCase;
use App\Form\MemberCaseFormType;
use App\Form\UserCaseFormType;
use App\Libs\Breadcrumb;
use App\Libs\NavList;
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;
use Symfony\Component\Security\Http\Attribute\CurrentUser;

class CaseController extends AbstractController
{
    public function __construct(
        private EntityManagerInterface $entityManager,
        private array $navLinks = []
    ) {
        $this->navLinks = NavList::LIST;
    }

    #[Route('/list-cases', name: 'app_list_cases')]
    public function listCases(#[CurrentUser()] User $user): Response
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');

        $this->navLinks['case_list'] = 'nav-link text-white active bg-gradient-dark';

        $cases = $this->entityManager->getRepository(MemberCase::class)->findAll();
        $workers = $this->entityManager->getRepository(User::class)->getCaseWorkers();

        return $this->render(
            'internal/cases/list-cases.html.twig',
            array_merge(
                $this->navLinks,
                [
                    'breadcrumbs' => [
                        new Breadcrumb($this->generateUrl('app_list_cases'), 'List Cases')
                    ],
                    'notifications' => $user->retrieveUnreadNotifications(),
                    'cases' => $cases,
                    'workers' => $workers,
                ]
            )
        );
    }

    #[Route('/add-case', name: 'app_add_case')]
    public function addCase(Request $request, #[CurrentUser()] User $admin): Response
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');

        $this->navLinks['case_list'] = 'nav-link text-white active bg-gradient-dark';

        $case = new MemberCase();
        $form = $this->createForm(MemberCaseFormType::class, $case);

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $case = $form->getData();

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

            $this->addFlash('success', 'Case added successfully');

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

        return $this->render(
            'internal/admin/cases/add-case.html.twig',
            array_merge(
                $this->navLinks,
                [
                    'title' => 'Add Case',
                    'breadcrumbs' => [
                        new Breadcrumb($this->generateUrl('app_list_cases'), 'List Cases'),
                        new Breadcrumb($this->generateUrl('app_add_case'), 'Add Case')
                    ],
                    'notifications' => $admin->retrieveUnreadNotifications(),
                    'form' => $form,
                    'sources' => $this->entityManager->getRepository(ReferralSource::class)->retrieveOrderedList(),
                ]
            )
        );
    }

    #[Route('/edit-case/{id}', name: 'app_edit_case')]
    public function editCase(Request $request, #[CurrentUser()] User $admin, string $id): Response
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');
        $this->navLinks['case_list'] = 'nav-link text-white active bg-gradient-dark';

        $case = $this->entityManager->getRepository(MemberCase::class)->find($id);
        $form = $this->createForm(MemberCaseFormType::class, $case);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $case = $form->getData();

            $this->entityManager->flush();

            $this->addFlash('success', 'Case updated successfully');

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

        return $this->render(
            'internal/admin/cases/edit-case.html.twig',
            array_merge(
                $this->navLinks,
                [
                    'title' => 'Edit Case',
                    'breadcrumbs' => [
                        new Breadcrumb($this->generateUrl('app_list_cases'), 'List Cases'),
                        new Breadcrumb($this->generateUrl('app_edit_case', ['id' => $id]), 'Edit Case')
                    ],
                    'notifications' => $admin->retrieveUnreadNotifications(),
                    'form' => $form,
                    'case' => $case,
                    'sources' => $this->entityManager->getRepository(ReferralSource::class)->retrieveOrderedList(),
                ]
            )
        );
    }

    #[Route('/assign-case/{id}', name: 'app_assign_case')]
    public function assignCase(string $id, Request $request, #[CurrentUser()] User $admin): Response
    {
        $this->denyAccessUnlessGranted('ROLE_ADMIN');
        $this->navLinks['case_list'] = 'nav-link text-white active bg-gradient-dark';

        $caseWorkers = $this->entityManager->getRepository(User::class)->getCaseWorkers();
        $case = $this->entityManager->getRepository(MemberCase::class)->find($id);

        $prevUc = $this->entityManager->getRepository(UserCase::class)->findBy(['memberCase' => $case]);
        $uc = new UserCase();
        $form = $this->createForm(UserCaseFormType::class, $uc);
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $user = $form->get('user')->getData();
            $uc = $form->getData();
            $uc->setMemberCase($case);
            $uc->setUser($user);

            if(!$uc->checkLevel()) {
                throw new Exception('');
            }

            if (count($prevUc) > 0) {
                $this->entityManager->remove($prevUc[0]);
                $this->entityManager->flush();
            }

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

            $this->addFlash('success', 'Case assigned successfully');

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

        return $this->render(
            'internal/admin/cases/assign-case.html.twig',
            array_merge(
                $this->navLinks,
                [
                    'title' => 'Assign Case',
                    'breadcrumbs' => [
                        new Breadcrumb($this->generateUrl('app_list_cases'), 'List Cases'),
                        new Breadcrumb($this->generateUrl('app_assign_case', ['id' => $id]), 'Assign Case')
                    ],
                    'notifications' => $admin->retrieveUnreadNotifications(),
                    'form' => $form,
                    'id' => $id,
                    'caseWorkers' => $caseWorkers,
                    'assignedWorkerId' => (count($case->getUserCases()) > 0 ? $case->getUserCases()->first()->getUser()->getId() : null),
                ]
            )
        );
    }

    #[Route('/api/filter-cases-by-user', name: 'ajax_filter_cases_by_user')]
    public function filterCasesByUser(Request $request): Response
    {
        /** @var User $user */
        $user = $this->entityManager->getRepository(User::class)->find($request->query->get('userId'));
        /** @var UserCase[] $ucs */
        $ucs = $this->entityManager->getRepository(UserCase::class)->findBy(['user' => $user]);

        $ret = [];
        foreach ($ucs as $uc) {
            $ret[] = $uc->getMemberCase();
        }

        dump($ret);
        die;
        return $this->json($ret);
    }
}