<?php

namespace App\Services\File\Upload;

use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Cache;
use JetBrains\PhpStorm\ArrayShape;

class ProgressBar
{
    const CACHE_PREFIX = 'upload:progress';

    protected int $uploadedSize = 0;

    public function __construct(
        protected string $requestId,
        protected int    $totalSize,
    )
    {
        throw_validation_if(Cache::has($this->getCacheKey()), 'Request ID are not allowed to be duplicated');

        $this->start();
    }

    public function increment(int $size): void
    {
        $this->uploadedSize += $size;

        Cache::put($this->getCacheKey(), $this->query(), now()->addHours(6));
    }

    public function start()
    {
        Cache::put($this->getCacheKey(), 0, now()->addMinutes(30));
    }

    public function completed()
    {
        Cache::put($this->getCacheKey(), 100.00, now()->addMinutes(30));
    }

    public function query(): float
    {
        return intval(($this->uploadedSize / $this->totalSize) * 100);
    }

    protected function getCacheKey()
    {
        return sprintf("%s:%s:%s", self::CACHE_PREFIX, Auth::id(), $this->requestId);
    }

    /**
     * @param string $uuid
     * @return array
     */
    #[ArrayShape(['status' => "string", 'progress' => "mixed"])]
    public static function queryByRequestId(string $uuid): array
    {
        $progress = Cache::get(sprintf("%s:%s:%s", self::CACHE_PREFIX, Auth::id(), $uuid));

        $status = "none";

        if (is_numeric($progress)) {
            if ($progress == 100) {
                $status = "completed";
            } else {
                $status = "uploading";
            }
        }

        return [
            'status' => $status,
            'progress' => $progress ?: 0
        ];
    }
}