added autostart for windows and autostart for devices

internal/service/service_windows.go

@@ -2,16 +2,81 @@
 
 package service
 
-import "fmt"
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+)
 
+const taskName = "USB-Client"
+
+// Install creates a Windows Scheduled Task that runs at system startup
 func Install(mode, configPath string) error {
-	return fmt.Errorf("Windows service installation not yet implemented")
+	exePath, err := os.Executable()
+	if err != nil {
+		return fmt.Errorf("finding executable: %w", err)
+	}
+	exePath, err = filepath.Abs(exePath)
+	if err != nil {
+		return fmt.Errorf("resolving path: %w", err)
+	}
+
+	absConfigPath, err := filepath.Abs(configPath)
+	if err != nil {
+		return fmt.Errorf("resolving config path: %w", err)
+	}
+
+	// Remove previous task if it exists
+	exec.Command("schtasks", "/Delete", "/TN", taskName, "/F").Run()
+
+	// Create task: run at system startup, as SYSTEM, with highest privileges
+	taskCmd := fmt.Sprintf(`"%s" %s --config "%s" --no-gui`, exePath, mode, absConfigPath)
+	cmd := exec.Command("schtasks", "/Create",
+		"/SC", "ONSTART",
+		"/TN", taskName,
+		"/TR", taskCmd,
+		"/RU", "SYSTEM",
+		"/RL", "HIGHEST",
+		"/F",
+	)
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("creating scheduled task: %w (output: %s)", err, strings.TrimSpace(string(output)))
+	}
+
+	// Start the task immediately
+	startCmd := exec.Command("schtasks", "/Run", "/TN", taskName)
+	startOutput, err := startCmd.CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("starting task: %w (output: %s)", err, strings.TrimSpace(string(startOutput)))
+	}
+
+	return nil
 }
 
+// Uninstall stops and removes the Scheduled Task
 func Uninstall() error {
-	return fmt.Errorf("Windows service uninstallation not yet implemented")
+	// Stop the running task
+	exec.Command("schtasks", "/End", "/TN", taskName).Run()
+
+	// Delete the task
+	cmd := exec.Command("schtasks", "/Delete", "/TN", taskName, "/F")
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("deleting scheduled task: %w (output: %s)", err, strings.TrimSpace(string(output)))
+	}
+
+	return nil
 }
 
+// Status returns the current status of the Scheduled Task
 func Status() (string, error) {
-	return "not implemented on Windows", nil
+	cmd := exec.Command("schtasks", "/Query", "/TN", taskName, "/FO", "LIST")
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return "Task nicht gefunden", nil
+	}
+	return strings.TrimSpace(string(output)), nil
 }