<?php

class Upload
{
    private $file;
    private $file_name;
    private $file_size;
    private $file_tmp;
    private $file_type;
    private $file_ext;
    private $file_path;
    private $extensions = array("mp3", "zip");
    private $upload_dir = "uploads/";
    private $errors = array();
    private $ok = false;
    private $config;
    private $uuid  = "";


    public function __construct($file, $config)
    {
        $this->file = $file;
        $this->file_name = $file['name'];
        $this->file_size = $file['size'];
        $this->file_tmp = $file['tmp_name'];
        $this->file_type = $file['type'];
        $this->config = $config;
        $ext = explode('.', $file['name']);
        $this->file_ext = strtolower(end($ext));
        $this->uuid = uniqid();

    }

    private function check_file_size(): bool
    {
        if ($this->file_size > $this->config['uploads']['max_file_size']){
            $this->errors[] = "File size is too large";
            return false;
        }
        return true;
    }

    private function check_file_extension(): bool
    {
        if (!in_array($this->file_ext, $this->extensions)){
            $this->errors[] = "Invalid file extension";
            return false;
        }
        return true;
    }

    private function check_file_exists(): bool
    {
        if (file_exists($this->upload_dir . $this->file_name)){
            $this->errors[] = "File already exists";
            return false;
        }
        return true;
    }

    private function move_file(): bool
    {
        if (move_uploaded_file($this->file_tmp, $this->upload_dir . $this->uuid)){
            $this->file_path = $this->upload_dir . $this->uuid;
            return true;
        }
        return false;
    }

    public function dump_all()
    {
        $array = array(
            "file" => $this->file,
            "file_name" => $this->file_name,
            "file_size" => $this->file_size,
            "file_tmp" => $this->file_tmp,
            "file_type" => $this->file_type,
            "file_ext" => $this->file_ext,
            "file_path" => $this->file_path,
            "extensions" => $this->extensions,
            "upload_dir" => $this->upload_dir,
            "errors" => $this->errors,
            "ok" => $this->ok,
            "uuid" => $this->uuid
        );
    }

}