# Multi-instancing audit: fail if any per-battle static is written directly outside its own declaring file.
$errors = @()

# new Thread( allowlist — only LeanThreadPool's login-subsystem worker is OK.
$threadAllowlist = @('SVSim.BattleEngine/Engine/Cute/LeanThreadPool.cs')
$threadHits = Get-ChildItem -Recurse -Filter *.cs -Path SVSim.BattleEngine,SVSim.BattleNode |
    Select-String -Pattern 'new\s+Thread\s*\(' |
    Where-Object {
        $rel = ($_.Path -replace '\\','/').Substring($PWD.Path.Length + 1)
        $threadAllowlist -notcontains $rel
    }
if ($threadHits) {
    $errors += "Unallowed new Thread( usage:`n" + ($threadHits -join "`n")
}

# Direct static assignments to BattleManagerBase.IsForecast / IsRandomDraw / main outside its file.
$staticWrites = Get-ChildItem -Recurse -Filter *.cs -Path SVSim.BattleEngine/Engine,SVSim.BattleNode |
    Where-Object { $_.Name -ne 'BattleManagerBase.cs' } |
    Select-String -Pattern 'BattleManagerBase\.(main|IsForecast|IsRandomDraw)\s*='
if ($staticWrites) {
    # OK to set IsForecast/IsRandomDraw via property setter — those route through ambient now.
    # But flag any 'BattleManagerBase.main =' as the deleted field.
    $bad = $staticWrites | Where-Object { $_.Line -match 'BattleManagerBase\.main\s*=' }
    if ($bad) {
        $errors += "Reference to deleted BattleManagerBase.main:`n" + ($bad -join "`n")
    }
}

if ($errors) {
    Write-Error ($errors -join "`n`n")
    exit 1
}
Write-Host "Audit clean."