<?php

namespace App\Libraries\MyStorage;

use App\Entities\MyStorage\FileEntity;

class FileLibrary extends MyStorageLibrary
{
    private $_path = "";
    protected $_entity = null;
    public function __construct(string $path)
    {
        parent::__construct();
        $this->_path = $path;
    }
    final public function getPath(): string
    {
        return $this->_path;
    }

    public function getEntity(): FileEntity
    {
        if ($this->_entity === null) {
            $this->_entity = new FileEntity();
            $this->_entity->setPath($this->getPath());
        }
        return $this->_entity;
    }

    public function save($content): null|FileEntity
    {
        $fullPath = WRITEPATH . $this->getUploadPath() . DIRECTORY_SEPARATOR . $this->getPath();
        if (!is_dir($fullPath)) {
            if (!mkdir($fullPath)) {
                throw new \Exception("Make Directory Error:" . $fullPath);
            }
        }
        $entity = $this->getEntity();
        $saveFile = $fullPath . DIRECTORY_SEPARATOR . $entity->getTitle();
        log_message("debug", "Storage Save-> " . $saveFile);
        if (!file_put_contents($saveFile, $content)) {
            return null;
        }
        //File형식에 따른 MimeType 지정
        $entity->setMimeType(mime_content_type($saveFile));
        return $entity;
    }
}