$ErrorActionPreference = 'Stop'

$target = 'C:\Program Files\Huawei QuickApp IDE\resources\app\extensions\deveco-debug\lib\toolkit\nodeTool'

$before = [Environment]::GetEnvironmentVariable('Path', 'Machine')

Write-Host '=== Before: target entries in Machine PATH ==='
$before -split ';' | ForEach-Object {
    if ($_.Trim() -ieq $target) {
        Write-Host ("  [" + $_ + "]")
    }
}

$entries = $before -split ';'
$kept = New-Object System.Collections.Generic.List[string]
$removed = New-Object System.Collections.Generic.List[string]
foreach ($e in $entries) {
    $t = $e.Trim()
    if ($t -ieq $target) {
        $removed.Add($e)
    } elseif ($t -ne '') {
        $kept.Add($e)
    }
}
$after = [string]::Join(';', $kept.ToArray())

if ($removed.Count -eq 0) {
    Write-Host 'Target entry not found, nothing to do.'
    exit 0
}

try {
    [Environment]::SetEnvironmentVariable('Path', $after, 'Machine')
    Write-Host ''
    Write-Host '=== Result ==='
    Write-Host ("  Removed entries: " + $removed.Count)
    foreach ($r in $removed) { Write-Host ("    - " + $r) }
    Write-Host ("  Remaining entries: " + $kept.Count)
    Write-Host '  Write OK.'
} catch {
    Write-Host ''
    Write-Host ('  Write FAILED (admin required?): ' + $_.Exception.Message)
    exit 1
}

Write-Host ''
Write-Host '=== Verify after write ==='
$verify = [Environment]::GetEnvironmentVariable('Path', 'Machine')
$stillThere = 0
foreach ($e in ($verify -split ';')) {
    if ($e.Trim() -ieq $target) { $stillThere++ }
}
if ($stillThere -gt 0) {
    Write-Host '  FAIL: target still present.'
    exit 1
} else {
    Write-Host '  OK: target no longer in Machine PATH.'
}

Write-Host ''
Write-Host 'Note: env var change does NOT affect already-running processes.'
Write-Host 'Reopen cmd / Git Bash / HBuilderX to see updated where node.'