<?php

namespace App\Classes\Modules\Documents\DataTransferObjects;

use App\Classes\Exceptions\MalformedRequestException;
use App\Classes\General\Interfaces\DataTransferObject;
use App\Classes\ValueObjects\Constants\FileType;
use Illuminate\Support\Str;
use Intervention\Image\ImageManager;
use Intervention\Image\Drivers\Gd\Driver;

class FileObject implements DataTransferObject
{
    /** @var string */
    private $data;

    /**
     * FileInfoObject constructor.
     * @param string $data
     */
    public function __construct(string $data)
    {
        $this->data = $data;
    }

    /**
     * @return \Intervention\Image\Image|string
     * @throws MalformedRequestException
     */
    public function getData()
    {
        // intervention/image v2: old
        //return in_array($this->getExtension(), ['pdf', 'excel', 'text']) ? $this->data : (new imageManager())->make($this->data);

        // intervention/image v3: new
        return in_array($this->getExtension(), ['pdf', 'excel', 'text'])
            ? $this->data
            : (new ImageManager(new Driver()))->read($this->data);
    }

    /**
     * @return string
     */
    public function getFileName(): string
    {
        return (string) Str::uuid();
    }

    /**
     * @return string
     */
    public function getMimeType(): string
    {
        return finfo_file(finfo_open(), $this->data, FILEINFO_MIME_TYPE);
    }

    /**
     * @return string
     * @throws MalformedRequestException
     */
    public function getExtension(): string
    {
        if (array_key_exists($this->getMimeType(), FileType::EXTENSION)) {
            return FileType::EXTENSION[$this->getMimeType()];
        }

        throw new MalformedRequestException('Failed to save file due to Unknown file extension');
    }

    /**
     * @return string
     * @throws MalformedRequestException
     */
    public function getDecodedData(): string
    {
        // intervention/image v3: Use encode()->toDataUri() instead of encode('data-url')->encoded
        return in_array($this->getExtension(), ['pdf', 'excel', 'text']) ?
            base64_decode((explode('base64,', $this->getData()))[1]) :
            $this->getData()->encode()->toDataUri();
    }

    /**
     * @param string $data
     */
    public function setData(string $data): void
    {
        $this->data = $data;
    }


}