package env

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

// adds a path to the ENV
func AddPath(newpath string) bool {
	path := os.Getenv("PATH")
	for _, p := range strings.Split(path, ":") {
		fmt.Println("Looking at path:", p)
		if p == newpath {
			fmt.Println("FOUND path:", p)
			return false
		}
	}
	path = path + ":" + newpath
	fmt.Println("ADDING PATH:", path)
	os.Setenv("PATH", path)
	return true
}

// for "/home/turing/bletchley" returns "~/bletchley"
func RelPath(p string) string {
	p = strings.TrimSpace(p)
	p = strings.Trim(p, "\"'")
	homedir := Get("homeDir")
	if strings.HasPrefix(p, homedir) {
		p = strings.TrimPrefix(p, homedir)
		p = filepath.Join("~", p)
	}
	return p
}

// for "~/bletchley" returns "/home/turing/bletchley"
func FullPath(p string) string {
	p = strings.TrimSpace(p)
	p = strings.Trim(p, "\"'")
	homedir := Get("homeDir")
	if strings.HasPrefix(p, "~") {
		p = strings.TrimPrefix(p, "~")
		p = filepath.Join(homedir, p)
	}
	return p
}