$uri = "https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.300/dotnet-sdk-10.0.300-win-x64.zip";
$targetDir = ".\dotnet_windows"
$zipFile = ".\dotnet_windows\dotnet-sdk.zip"

if (Test-Path $targetDir) { 
    Remove-Item $targetDir -Recurse -Force
}
New-Item -ItemType Directory -Path $targetDir | Out-Null 

function Invoke-DownloadWithProgress {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [string]$Uri,

        [Parameter(Mandatory = $true)]
        [string]$OutFile,

        [Parameter(Mandatory = $false)]
        [string]$ActivityName = "Скачивание файла"
    )

    Add-Type -AssemblyName System.Net.Http
    $httpClient = New-Object System.Net.Http.HttpClient

    try {
        $response = $httpClient.GetAsync($Uri, [System.Net.Http.HttpCompletionOption]::ResponseHeadersRead).GetAwaiter().GetResult()
        
        if (-not $response.IsSuccessStatusCode) {
            throw "Сервер вернул код ошибки: $([int]$response.StatusCode) ($($response.StatusCode))"
        }

        $totalBytes = $response.Content.Headers.ContentLength
        $totalMB = if ($totalBytes) { [Math]::Round($totalBytes / 1MB, 3) } else { "Неизвестно" }

        $downloadStream = $response.Content.ReadAsStreamAsync().GetAwaiter().GetResult()
        $fileStream = [System.IO.File]::Create($OutFile)
        $fileStream.Close()
        
        $buffer = New-Object byte[] 8192
        $bytesRead = 0
        $totalBytesRead = 0

        while (($bytesRead = $downloadStream.Read($buffer, 0, $buffer.Length)) -gt 0) {
            $fileStream = [System.IO.File]::Open($OutFile, [System.IO.FileMode]::Append)
            $fileStream.Write($buffer, 0, $bytesRead)
            $fileStream.Close();

            $totalBytesRead += $bytesRead

            $currentMB = [Math]::Round($totalBytesRead / 1MB, 3)

            $progressParams = @{
                Activity = $ActivityName
                Status   = "Скачано: " +  $currentMB.ToString("F3", [System.Globalization.CultureInfo]::InvariantCulture) + " МБ из " + $totalMB.ToString("F3", [System.Globalization.CultureInfo]::InvariantCulture) + " МБ"
            }

            if ($totalBytes) {
                $progressParams.PercentComplete = [int](($totalBytesRead / $totalBytes) * 100)
            }

            Write-Progress @progressParams
        }

        $downloadStream.Close()

        return [PSCustomObject]@{
            StatusCode  = [int]$response.StatusCode
            StatusDescription = $response.StatusCode.ToString()
            ContentLength     = $totalBytes
            Path              = $OutFile
        }
    }
    catch {
        if (Test-Path $OutFile) { Remove-Item $OutFile -Force }
        Write-Error $_.Exception.Message
        return $null
    }
    finally {
        if ($httpClient) { $httpClient.Dispose() }
        Write-Progress -Activity $ActivityName -Completed
    }
}

$res = Invoke-DownloadWithProgress -Uri $uri -OutFile $zipFile -ActivityName "Скачивание"
if (-not ($res -and $res.StatusCode -eq 200)) {
    Write-Error "Не удалось скачать файл или сервер вернул ошибку."
} else {
    Expand-Archive -Path  $zipFile -DestinationPath $targetDir
}