package main

import (
	"fmt"
	"log"
	"os"
	"os/exec"
	"runtime"
)

// if Fatal err
func ifFerr(msg string, err error) {
	if err != nil {
		log.Fatalf("%s -- %s\n", msg, err)
	}
}

func availableProjectTypes(adir string) ([]string, error) {
	var res []string

	sf, err := os.Open(adir)
	if err != nil {
		return nil, err
	}

	entries, err := sf.ReadDir(0)
	if err != nil {
		return nil, err
	}

	for _, e := range entries {
		if e.IsDir() {
			if e.Name() == ".git" {
				continue
			}
			res = append(res, e.Name())
		}
	}
	return res, nil
}

func isConfigAvailable(types []string, aPType string) bool {
	res := false
	for _, v := range types {
		if v == aPType {
			res = true
			break
		}
	}
	return res
}

func isSSHAvailable() bool {
	//rv := false
	//var res string
	var resb, resb2 []byte
	var err error
	system := runtime.GOOS
	switch system {
	case "linux":
		resb, err = exec.Command("which", "ssh").Output()
		ifFerr("Unable to test for ssh on linux", err)
		resb2, _ = exec.Command("which", "ssh3").Output()
	case "window":
		resb, err = exec.Command("where", "ssh").Output()
		ifFerr("Unable to test for ssh on windows", err)
		resb2, _ = exec.Command("which", "ssh3").Output()
	}
	fmt.Println("ssh is at: ", string(resb))
	fmt.Println("ssh - len resb: ", len(resb))
	fmt.Println("ssh3 - len resb2: ", len(resb2))
	return len(resb) != 0
}