# Haelt zwei Replikations-Regeln fuer lxreplica in pg_hba.conf.
# Idempotent: entfernt immer alle lxreplica-Zeilen und setzt sie neu –
# verhindert Duplikate auch bei gleichzeitigen Schreibvorgaengen.

$pgCtl   = "C:\Program Files\Lexware\PostgreSql\17\Bin\pg_ctl.exe"
$dataDir = "C:\ProgramData\Lexware\LexwarePG\Data\current"
$hbaFile = "$dataDir\pg_hba.conf"

$ruleAll = "hostssl    all             lxreplica       192.168.115.113/32          scram-sha-256"
$ruleRep = "hostssl    replication     lxreplica       192.168.115.113/32          scram-sha-256"

while ($true) {
    try {
        $lines = [System.IO.File]::ReadAllLines($hbaFile)
        $existing = $lines | Where-Object { $_ -match "lxreplica" }

        $alreadyCorrect = ($existing.Count -eq 2) -and
                          ($existing[0] -eq $ruleAll) -and
                          ($existing[1] -eq $ruleRep)

        if (-not $alreadyCorrect) {
            $base = $lines | Where-Object { $_ -notmatch "lxreplica" }
            $newLines = [System.Collections.Generic.List[string]]::new()
            foreach ($line in $base) {
                if ($line -match "192\.168\.115\.0/24") {
                    $newLines.Add($ruleAll)
                    $newLines.Add($ruleRep)
                }
                $newLines.Add($line)
            }
            [System.IO.File]::WriteAllLines($hbaFile, $newLines, [System.Text.Encoding]::ASCII)
            & $pgCtl reload -D $dataDir 2>&1 | Out-Null
        }
    } catch {}
    Start-Sleep -Seconds 10
}