package paths

import (
	"os"
	"strings"
)

// HomeDir returns the current user's home directory.
// If it cannot be determined, returns an empty string.
func HomeDir() string {
	home, _ := os.UserHomeDir()
	return home
}

// AbbreviateHome replaces the user's home directory prefix with '~'
// to produce a shorter, more readable path for display.
func AbbreviateHome(p string) string {
	home := HomeDir()
	if home == "" {
		return p
	}
	if after, found := strings.CutPrefix(p, home); found {
		return "~" + after
	}
	return p
}