// run_default.go
//go:build !windows
// +build !windows

package spm

import (
	"fmt"
	"os"
	"path/filepath"
)

// RegisterApp is not supported on non-Windows platforms.
func RegisterApp() error {
	return fmt.Errorf("[WARN] RegisterApp() is only available on Windows")
}

// UnregisterApp is not supported on non-Windows platforms.
func UnregisterApp() error {
	return fmt.Errorf("[WARN] UnregisterApp() is only available on Windows")
}

// IsRegistered returns true if the application is detected as installed.
// On Linux, we assume it is installed if the main executable exists in the install directory.
func IsRegistered() bool {
	installDir, err := GetInstallDir()
	if err != nil {
		return false
	}

	// Assume the executable is named "spitfire" and is located in installDir.
	exePath := filepath.Join(installDir, "browser", "spitfire")
	if _, err := os.Stat(exePath); err == nil {
		return true
	}
	return false
}