<?php

namespace App\Classes\Modules\ControllersLogic\Accounts;


use App\Classes\Modules\Accounts\DataTransferObjects\UserInvitationObject;
use App\Classes\Modules\Accounts\Services\CreatesUserInvitation;
use App\Classes\Modules\ControllerLogic\Exceptions\InternalServerErrorException;
use App\Classes\Modules\ControllerLogic\Exceptions\ResourceConflictException;
use App\Classes\ValueObjects\Constants\HttpStatus;
use App\Events\Accounts\UserInvited;
use App\Models\UserInvitation;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class RegistrationInvitationLogic
{

    /** @var UserInvitation */
    private $repository;

    /** @var CreatesUserInvitation */
    private $createUserInvitation;

    /**
     * RegistrationInvitationLogic constructor.
     * @param UserInvitation $repository
     * @param CreatesUserInvitation $createUserInvitation
     */
    public function __construct(
        UserInvitation $repository,
        CreatesUserInvitation $createUserInvitation
    ) {
        $this->repository         = $repository;
        $this->createUserInvitation = $createUserInvitation;
    }

    /**
     * @param Request $request
     * @return JsonResponse
     * @throws InternalServerErrorException
     */
    public function execute(Request $request) {

        try {

            // the email doesn't exist in the database, so create the user
            $object = new UserInvitationObject($request->get('role_id'), $request->get('email'));

            // ensure that there is not already an invitation for the email
            $existingInvitations = $this->repository->where('email', $object->getInviteeEmail())->get();

            if ($existingInvitations->count() !== 0) {
                throw new ResourceConflictException("An existing invitation already exists for the email {$object->getInviteeEmail()}");
            }

            $invitation = $this->createUserInvitation->execute($object);

            // dispatch event for user invited
            event(new UserInvited($invitation));

            return new JsonResponse(null, HttpStatus::RESOURCE_CREATED);

        } catch (ResourceConflictException $exception) {
            throw new InternalServerErrorException("Failed to send user invitation because {$exception->getMessage()}");
        }
    }
}