<?php

namespace App\Models;

use App\Exceptions\Quit;

class Input extends Model
{
    protected ?array $files = null;
    protected ?string $url = null;
    protected ?string $destination = null;
    protected ?string $title = null;
    protected bool $low = false;
    protected bool $sync = false;

    public function assertValid(): self
    {
        // @todo probably should use a validator for this
        throw_if(
            empty($this->files) && empty($this->url),
            Quit::class,
            'Must have either a valid file or URL'
        );

        return $this;
    }

    public function hasURL(): bool
    {
        return !empty($this->url);
    }

    public function setInput(?array $files): void
    {
        $this->setFiles($files);
    }

    public function setFiles(?array $files): void
    {
        $this->files = array_map(function (string $file)  {
            if (!file_exists($file)) {
                throw new Quit("$file is not a valid file");
            }

            return realpath($file);
        }, $files ?? []);
    }

    public function setDestination(?string $dir): void
    {
        throw_if(!is_dir($dir), Quit::class, "$dir is not a valid directory");
        $this->destination = $dir;
        // @todo get title from .nfo file, if available
    }
}