<?php
/**
 * CacheProperties.php
 * Copyright (c) 2017 thegrumpydictator@gmail.com
 *
 * This file is part of Firefly III.
 *
 * Firefly III is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Firefly III is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Firefly III.  If not, see <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace FireflyIII\Support;


use Cache;
use Illuminate\Support\Collection;
use Preferences as Prefs;

/**
 * Class CacheProperties
 *
 * @package FireflyIII\Support
 */
class CacheProperties
{

    /** @var  string */
    protected $md5 = '';
    /** @var Collection */
    protected $properties;

    /**
     *
     */
    public function __construct()
    {
        $this->properties = new Collection;
        if (auth()->check()) {
            $this->addProperty(auth()->user()->id);
            $this->addProperty(Prefs::lastActivity());
        }
    }

    /**
     * @param $property
     */
    public function addProperty($property)
    {
        $this->properties->push($property);
    }

    /**
     * @return mixed
     */
    public function get()
    {
        return Cache::get($this->md5);
    }

    /**
     * @return string
     */
    public function getMd5(): string
    {
        return $this->md5;
    }

    /**
     * @return bool
     */
    public function has(): bool
    {
        if (getenv('APP_ENV') === 'testing') {
            return false;
        }
        $this->md5();

        return Cache::has($this->md5);
    }

    /**
     * @param $data
     */
    public function store($data)
    {
        Cache::forever($this->md5, $data);
    }

    /**
     * @return void
     */
    private function md5()
    {
        $this->md5 = '';
        foreach ($this->properties as $property) {
            $this->md5 .= json_encode($property);
        }
        $this->md5 = md5($this->md5);
    }
}