#requires -Version 5.1

$ErrorActionPreference = 'Stop'
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

$UrlPrincipal = 'https://get.goit.com.br/scripts/GOIT-Setup-Center.ps1'
$HashEsperado = 'F79B0B60413C54A5DD4ACC9E416C293FC082DA21C137C565B121D4FE01F3B6F5'
$PastaTemporaria = Join-Path $env:TEMP 'GOIT-SetupCenter'
$ArquivoPrincipal = Join-Path $PastaTemporaria 'GOIT-Setup-Center.ps1'

try {
    Write-Host ''
    Write-Host 'GOIT Setup Center - carregando...'

    if (-not (Test-Path -LiteralPath $PastaTemporaria -PathType Container)) {
        New-Item -ItemType Directory -Path $PastaTemporaria -Force | Out-Null
    }

    Invoke-WebRequest -Uri $UrlPrincipal -OutFile $ArquivoPrincipal -UseBasicParsing

    if (-not (Test-Path -LiteralPath $ArquivoPrincipal -PathType Leaf)) {
        throw 'O script principal nao foi baixado.'
    }

    $HashAtual = (Get-FileHash -LiteralPath $ArquivoPrincipal -Algorithm SHA256).Hash.ToUpperInvariant()

    if ($HashAtual -ne $HashEsperado) {
        throw "Falha de integridade. Esperado: $HashEsperado | Encontrado: $HashAtual"
    }

    $PowerShellExe = Join-Path $env:SystemRoot 'System32\WindowsPowerShell\v1.0\powershell.exe'
    $Argumentos = '-NoProfile -ExecutionPolicy Bypass -File "{0}"' -f $ArquivoPrincipal

    $Processo = Start-Process `
        -FilePath $PowerShellExe `
        -Verb RunAs `
        -ArgumentList $Argumentos `
        -Wait `
        -PassThru

    if ($Processo.ExitCode -ne 0) {
        throw "O GOIT Setup Center terminou com o codigo $($Processo.ExitCode)."
    }
}
catch {
    Write-Host ''
    Write-Host 'ERRO:' -ForegroundColor Red
    Write-Host $_.Exception.Message -ForegroundColor Red
    Write-Host ''
    [void](Read-Host 'Pressione ENTER para encerrar')
}
finally {
    Remove-Item -LiteralPath $ArquivoPrincipal -Force -ErrorAction SilentlyContinue
}