<?php

namespace Tests\Fakes;

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

class FakePlanRepository implements PlanRepository
{
    /**
     * @var Plan[]
     */
    private array $existingPlans = [];

    public function create(CreatePlanDto $dto): Plan
    {
        $id = $this->nextId();
        $plan = new Plan(
            id: $id,
            name: $dto->name,
            user: $dto->user,
        );
        $this->existingPlans[$id] = $plan;

        return $plan;
    }

    private function nextId(): int
    {
        return count($this->existingPlans);
    }

    public function find(int $id): ?Plan
    {
        return array_find(
            $this->existingPlans,
            function (Plan $plan) use ($id) {
                return $plan->getId() === $id;
            }
        );
    }

    public function findByUser(User $user): array
    {
        $plans = array_filter(
            $this->existingPlans,
            function (Plan $plan) use ($user) {
                return $plan->getUser()->getId() === $user->getId();
            }
        );
        return array_map(
            function (Plan $plan) {
                return new Plan(
                    id: $plan->getId(),
                    name: $plan->getName(),
                    user: $plan->getUser(),
                );
            },
            $plans
        );
    }
}