<?php
/**
 * ftp上传
 */

namespace App\Linlib;

use Illuminate\Support\Facades\Config;

/**
 * Class FtpUpload
 * @package App\Linlib
 */
class FtpUpload
{
    /**
     * @var string
     */
    private $disk_name;

    /**
     * FtpUpload constructor.
     * @param $host
     * @param $port
     * @param $username
     * @param $password
     */
    public function __construct($host, $port, $username, $password)
    {
        $config = [
            'driver' => 'ftp',
            'host' => $host,
            'port' => $port,
            'username' => $username,
            'password' => $password,
        ];
        $this->disk_name = "disk" . rand(1000, 9999);
        Config::set('filesystems.disks.' . $this->disk_name, $config);
    }

    /**
     * @param $basePath
     * @param $folder
     * @param $files
     */
    private function getFolderFiles($basePath, $folder, &$files)
    {
        $dir = dir($folder);
        while (false !== $entry = $dir->read()) {
            if ('.' == $entry || '..' == $entry) {
                continue;
            }
            $new = "$folder/$entry";
            if (is_dir($new)) {
                $this->getFolderFiles($basePath, $new, $files);
            } else {
                $files[$new] = str_replace($basePath, "", $new);
            }
        }
    }

    /**
     * @param $files
     * @param $remoteBasePath
     * @return bool
     */
    private function multiUploadFile($files, $remoteBasePath)
    {
        set_time_limit(0);

        foreach ($files as $key => $value) {
            $path = pathinfo($value);
            $remotePath = $remoteBasePath . str_replace("\\", "/", $path["dirname"]);
            \Storage::disk($this->disk_name)->putFileAs($remotePath, $key, $path["basename"]);
        }
        return true;
    }

    /**
     * @param $folder
     * @param $remotePath
     */
    public function uploadFolder($folder, $remotePath = "/")
    {
        $files = [];
        $this->getFolderFiles($folder, $folder, $files);
        $this->multiUploadFile($files, $remotePath);
    }
}