using System;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.AddressableAssets.ResourceLocators;
using UnityEngine.ResourceManagement.AsyncOperations;
using UnityEngine.UI;

public class UI_VersionUpdate : MonoBehaviour
{
    private Slider _slider;
    private TMP_Text _textProgress;
    private AsyncOperationHandle _asyncOperation;

    private void Awake()
    {
        _slider = transform.Find("Slider").GetComponent<Slider>();
        _textProgress = transform.Find("Text_progress").GetComponent<TMP_Text>();
    }

    public void SetParams(AsyncOperationHandle op)
    {
        _asyncOperation = op;
    }

    private void Update()
    {
        Refresh();
    }

    private void Refresh()
    {
        if (_asyncOperation.IsValid())
        {
            var downloadStatus = _asyncOperation.GetDownloadStatus();
            _textProgress.text = $"{string.Format("{0:F1}", downloadStatus.Percent * 100)}%   {ConvertBytes(downloadStatus.DownloadedBytes)}/{ConvertBytes(downloadStatus.TotalBytes)}";
            _slider.value = downloadStatus.Percent;
        }
    }

    private string ConvertBytes(long bytes)
    {
        if (bytes < 1024)
        {
            return $"{bytes}B";
        }
        else if (bytes < 1024 * 1024)
        {
            return string.Format("{0:f1}KB", bytes / 1024f);
        }
        else if (bytes < 1024 * 1024 * 1024)
        {
            return string.Format("{0:f1}MB", bytes / (1024f * 1024f));
        }
        else
        {
            return string.Format("{0:f1}GB", bytes / (1024f * 1024f * 1024f));
        }
    }
}