# Remove all "Microsoft Visual C++ 2010 ... Redistributable" (x86/x64), version independent
# Exit codes:
#   0 = OK (nothing found or everything removed successfully)
#   1 = Failures occurred
$ErrorActionPreference = 'Stop'
$fails = 0

function Invoke-Uninstall {
    param(
        [string]$CmdLine,
        [string]$AppName
    )

    if (-not $CmdLine) {
        Write-Warning "No UninstallString found for: $AppName"
        $script:fails++
        return
    }

    # Normalize to exe + args
    $exe = $null; $args = ''
    if ($CmdLine -match '^\s*"(.+?)"\s*(.*)$') {
        $exe  = $Matches[1]
        $args = $Matches[2]
    } elseif ($CmdLine -match '^\s*(\S+)\s*(.*)$') {
        $exe  = $Matches[1]
        $args = $Matches[2]
    }

    # MSI: force silent uninstall
    if ($exe -match '(?i)msiexec\.exe') {
        # Convert /I {GUID} -> /x {GUID}
        if ($args -match '(?i)/I\s*{([0-9A-F\-]+)}') {
            $guid = $Matches[1]
            $args = "/x {$guid} /quiet /norestart"
        } else {
            if ($args -notmatch '(?i)/x') { $args = "/x $args" }
            if ($args -notmatch '(?i)/quiet|/qn') { $args += ' /quiet' }
            if ($args -notmatch '(?i)/norestart') { $args += ' /norestart' }
        }
        Write-Output "Uninstall (MSI) $AppName -> msiexec $args"
    } else {
        # Non-MSI: try to enforce silent switches if missing
        if ($args -notmatch '(?i)/quiet|/qn|/silent|/s') { $args += ' /quiet' }
        if ($args -notmatch '(?i)/norestart') { $args += ' /norestart' }
        Write-Output "Uninstall (EXE) $AppName -> $exe $args"
    }

    try {
        $p = Start-Process -FilePath $exe -ArgumentList $args -Wait -PassThru -WindowStyle Hidden
        $code = $p.ExitCode
        # Common msiexec codes: 0=success, 3010=reboot required, 1605=not installed
        if ($exe -match '(?i)msiexec\.exe') {
            if ($code -in 0,3010,1605) {
                if ($code -eq 3010) { Write-Output "Note: reboot required (3010) for $AppName" }
                elseif ($code -eq 1605) { Write-Output "Not installed (1605) for $AppName, skipping." }
                return
            }
        } else {
            if ($code -eq 0) { return }
        }
        Write-Warning "Uninstall failed for $AppName with exit code $code"
        $script:fails++
    } catch {
        Write-Warning "Error while uninstalling $AppName: $($_.Exception.Message)"
        $script:fails++
    }
}

# Pre-check: look for target apps
$uninstallKeys = @(
  'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*',
  'HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*'
)

$targets = foreach ($key in $uninstallKeys) {
  Get-ItemProperty -Path $key -ErrorAction SilentlyContinue |
    Where-Object {
      $_.DisplayName -and
      $_.DisplayName -like 'Microsoft Visual C++ 2010*Redistributable*'
    }
}

if (-not $targets) {
  Write-Output 'No Microsoft Visual C++ 2010 Redistributables found. Nothing to do.'
  exit 0
}

Write-Output ("Found: " + ($targets.DisplayName | Sort-Object -Unique -join ', '))

# Uninstall each item
foreach ($app in $targets) {
    $name  = $app.DisplayName
    $cmd   = if ($app.QuietUninstallString) { $app.QuietUninstallString } else { $app.UninstallString }
    Invoke-Uninstall -CmdLine $cmd -AppName $name
}

if ($fails -gt 0) {
    Write-Output "Completed with errors: $fails item(s) failed to uninstall."
    exit 1
} else {
    Write-Output 'Completed: all target items successfully removed (or not present).'
    exit 0
}