#!/usr/bin/env pwsh
# remove-stale-refs.ps1 - Remove stale project references that don't exist

param([string]$SlnPath = "src/StellaOps.sln")

$content = Get-Content $SlnPath -Raw
$lines = $content -split "`r?`n"

# Stale project paths (relative from solution location)
$staleProjects = @(
    "__Tests\AirGap\StellaOps.AirGap.Controller.Tests",
    "__Tests\AirGap\StellaOps.AirGap.Importer.Tests",
    "__Tests\AirGap\StellaOps.AirGap.Time.Tests",
    "__Tests\StellaOps.Gateway.WebService.Tests",
    "__Tests\Graph\StellaOps.Graph.Indexer.Tests",
    "Scanner\StellaOps.Scanner.Analyzers.Native",
    "__Libraries\__Tests\StellaOps.Signals.Tests",
    "__Tests\StellaOps.Audit.ReplayToken.Tests",
    "__Tests\StellaOps.Router.Gateway.Tests",
    "__Libraries\StellaOps.Cryptography"
)

$staleGuids = @()
$newLines = @()
$skipNext = $false

for ($i = 0; $i -lt $lines.Count; $i++) {
    $line = $lines[$i]

    if ($skipNext) {
        $skipNext = $false
        continue
    }

    $isStale = $false
    foreach ($stalePath in $staleProjects) {
        if ($line -like "*$stalePath*") {
            # Extract GUID
            if ($line -match '\{([A-F0-9-]+)\}"?$') {
                $staleGuids += $Matches[1]
            }
            Write-Host "Removing stale: $stalePath"
            $isStale = $true
            $skipNext = $true
            break
        }
    }

    if (-not $isStale) {
        $newLines += $line
    }
}

# Remove GlobalSection references to stale GUIDs
$finalLines = @()
foreach ($line in $newLines) {
    $skip = $false
    foreach ($guid in $staleGuids) {
        if ($line -match $guid) {
            $skip = $true
            break
        }
    }
    if (-not $skip) {
        $finalLines += $line
    }
}

$finalLines -join "`r`n" | Set-Content $SlnPath -Encoding UTF8 -NoNewline
Write-Host "Removed $($staleGuids.Count) stale project references"