# 此脚本由 https://get.vst76.cn 托管。
# 完整汉化项目：https://github.com/SHAONIAN697/mas-cn

$ErrorActionPreference = 'Stop'

& {
    $downloadUrl = 'https://raw.githubusercontent.com/SHAONIAN697/mas-cn/8245ea253ef8b0eea89155e7a158f1c2d96ab9d9/MAS/MAS_AIO_CN_v3.12.cmd'
    $expectedHash = '540BE750C4ED800F30EA0556958C981C69E2ED0EED0DA4DFB78417A894ED024B'

    try {
        [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
    }
    catch {}

    Write-Progress -Activity '正在下载 MAS v3.12 完整中文版' -Status '请稍候'

    try {
        $client = New-Object Net.WebClient
        $bytes = $client.DownloadData($downloadUrl)
    }
    catch {
        Write-Progress -Activity '正在下载 MAS v3.12 完整中文版' -Completed
        Write-Host "下载失败：$($_.Exception.Message)" -ForegroundColor Red
        Write-Host '请检查网络连接或访问 https://github.com/SHAONIAN697/mas-cn' -ForegroundColor Yellow
        return
    }

    Write-Progress -Activity '正在下载 MAS v3.12 完整中文版' -Completed

    $sha256 = [Security.Cryptography.SHA256]::Create()
    try {
        $actualHash = [BitConverter]::ToString($sha256.ComputeHash($bytes)).Replace('-', '')
    }
    finally {
        $sha256.Dispose()
    }

    if ($actualHash -ne $expectedHash) {
        Write-Host '文件完整性校验失败，已停止运行。' -ForegroundColor Red
        Write-Host "预期哈希：$expectedHash"
        Write-Host "实际哈希：$actualHash"
        return
    }

    $rand = [Guid]::NewGuid().Guid
    $isAdmin = [bool]([Security.Principal.WindowsIdentity]::GetCurrent().Groups -match 'S-1-5-32-544')
    $filePath = if ($isAdmin) {
        "$env:SystemRoot\Temp\MAS_CN_$rand.cmd"
    }
    else {
        "$env:LOCALAPPDATA\Temp\MAS_CN_$rand.cmd"
    }

    try {
        [IO.File]::WriteAllBytes($filePath, $bytes)
        $env:ComSpec = "$env:SystemRoot\System32\cmd.exe"
        Start-Process -FilePath $env:ComSpec -ArgumentList "/c """"$filePath"" -el $args""" -Wait -Verb RunAs
    }
    finally {
        if (Test-Path $filePath) {
            Remove-Item -LiteralPath $filePath -Force -ErrorAction SilentlyContinue
        }
    }
} @args