<?php

namespace App\Model;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Symfony\Component\Uid\Uuid;
use Symfony\Component\Validator\Constraints as Assert;

class UploadSessionDto
{
    private string $uid;

    #[Assert\Count(min: 1, minMessage: 'Bitte mindestens eine Datei hochladen')]
    private Collection $uploads;

    public function __construct(string $uid = null)
    {
        $this->uid = $uid ?? Uuid::v4();
        $this->uploads = new ArrayCollection();
    }

    public function getUid(): string
    {
        return $this->uid;
    }

    public function addUpload(UploadDto $upload): static
    {
        if (false === $this->uploads->contains($upload)) {
            $this->uploads[] = $upload;
        }

        return $this;
    }

    public function removeUpload(string $uuid): static
    {
        $uploadToRemove = $this->uploads->filter(function (UploadDto $upload) use ($uuid) {
            return $uuid === $upload->getUuid();
        })->first();

        if (null !== $uploadToRemove) {
            $this->uploads->removeElement($uploadToRemove);
        }

        return $this;
    }

    public function getUploads(): Collection
    {
        return $this->uploads;
    }

    public function flushUploads(): static
    {
        $this->uploads->clear();

        return $this;
    }

    public function getSize(): int
    {
        $size = 0;

        foreach ($this->uploads as $upload) {
            $size += $upload->getSize();
        }

        return $size;
    }

    public function getCount(): int
    {
        return $this->uploads->count();
    }
}