$Skip = { param($n, $r) Write-Host ("skip " + $n + ": " + $r) }

if (Get-Command go -ErrorAction SilentlyContinue) {
    Push-Location sdk/go
    $unfmt = gofmt -l .
    if ($unfmt) {
        Write-Host $unfmt
        Pop-Location
        exit 1
    }
    go vet ./...
    if ($LASTEXITCODE -ne 0) { Pop-Location; exit $LASTEXITCODE }
    go test ./...
    if ($LASTEXITCODE -ne 0) { Pop-Location; exit $LASTEXITCODE }
    Pop-Location
} else {
    & $Skip "sdk/go" "no go"
}

if ((Get-Command node -ErrorAction SilentlyContinue) -and (Test-Path "sdk/js/node_modules")) {
    Push-Location sdk/js
    npx --no-install tsc --noEmit
    if ($LASTEXITCODE -ne 0) { Pop-Location; exit $LASTEXITCODE }
    npx --no-install vitest run
    if ($LASTEXITCODE -ne 0) { Pop-Location; exit $LASTEXITCODE }
    Pop-Location
} else {
    & $Skip "sdk/js" "no node or node_modules"
}

$py = Get-Command python -ErrorAction SilentlyContinue
if (-not $py) {
    $py = Get-Command python3 -ErrorAction SilentlyContinue
}
if ($py) {
    $env:PYTHONPATH = (Resolve-Path "sdk/python/src").Path
    & $py.Source -c "import paho.mqtt.client"
    if ($LASTEXITCODE -ne 0) {
        & $Skip "sdk/python" "no paho-mqtt"
    } else {
        & $py.Source -m unittest discover -s sdk/python/tests -t sdk/python
        if ($LASTEXITCODE -ne 0) {
            Remove-Item Env:PYTHONPATH -ErrorAction SilentlyContinue
            exit $LASTEXITCODE
        }
    }
    Remove-Item Env:PYTHONPATH -ErrorAction SilentlyContinue
} else {
    & $Skip "sdk/python" "no python"
}

if (Get-Command mvn -ErrorAction SilentlyContinue) {
    Push-Location sdk/java
    mvn -q test
    if ($LASTEXITCODE -ne 0) { Pop-Location; exit $LASTEXITCODE }
    Pop-Location
} else {
    & $Skip "sdk/java" "no mvn"
}