//go:build windows

package service

import (
	"os/exec"
	"strings"

	"mfd-monitor-agent/internal/config"
)

// windowsManager manages the agent through the Windows Service Control Manager.
type windowsManager struct{}

// newManager returns the Windows service manager.
func newManager() Manager {
	return windowsManager{}
}

// Install registers the agent executable as an auto-start Windows Service.
func (windowsManager) Install(executable string, cfg config.Config, opts InstallOptions) error {
	args := []string{`"` + executable + `"`, "run"}
	if opts.ConfigPath != "" {
		args = append(args, "-config", `"`+opts.ConfigPath+`"`)
	}
	return exec.Command("sc.exe", "create", cfg.Service.Name, "binPath=", strings.Join(args, " "), "DisplayName=", cfg.Service.DisplayName, "start=", "auto").Run()
}

// Uninstall stops and removes the configured Windows Service.
func (windowsManager) Uninstall(cfg config.Config) error {
	_ = exec.Command("sc.exe", "stop", cfg.Service.Name).Run()
	return exec.Command("sc.exe", "delete", cfg.Service.Name).Run()
}

// Start asks the Windows Service Control Manager to start the service.
func (windowsManager) Start(cfg config.Config) error {
	return exec.Command("sc.exe", "start", cfg.Service.Name).Run()
}

// Stop asks the Windows Service Control Manager to stop the service.
func (windowsManager) Stop(cfg config.Config) error {
	return exec.Command("sc.exe", "stop", cfg.Service.Name).Run()
}