<?php

namespace App\Plan\UseCases;

use App\Plan\CreatePlanDto;
use App\Plan\Plan;
use App\Plan\PlanRepository;
use App\User\UserRepository;
use DomainException;

class CreatePlan
{
    public function __construct(
        private PlanRepository $planRepo,
        private UserRepository $userRepo,
    ) {}

    /**
     * @throws DomainException
     */
    public function execute(CreatePlanRequest $request): Plan
    {
        $userId = $request->userId;
        $user = $this->userRepo->find($userId);

        if ($user === null) {
            throw new DomainException("User with id: $userId doesnt exist");
        }

        return $this->planRepo->create(new CreatePlanDto(
            name: $request->name,
            user: $user,
        ));
    }
}