package main

import (
	"fmt"
	"github.com/SommerEngineering/Sync/Sync"
	"golang.org/x/crypto/ssh"
	"log"
	"runtime"
)

func main() {

	// Show the current version:
	fmt.Println(`Sync v1.0.0`)

	// Allow Go to use all CPUs:
	runtime.GOMAXPROCS(runtime.NumCPU())

	// Read the configuration from the command-line args:
	readFlags()

	// Check if the directories are provided:
	if localDir == `` || remoteDir == `` {
		log.Println(`Please provide the local and remote directory.`)
		return
	}

	// Check if the password was provided:
	for true {
		if password == `` {
			// Promt for the password:
			fmt.Println(`Please provide the password for the connection:`)
			fmt.Scanln(&password)
		} else {
			break
		}
	}

	// Create the SSH configuration:
	Sync.SetPassword4Callback(password)
	config := &ssh.ClientConfig{
		User: username,
		Auth: []ssh.AuthMethod{
			ssh.Password(password),
			ssh.PasswordCallback(Sync.PasswordCallback),
			ssh.KeyboardInteractive(Sync.KeyboardInteractiveChallenge),
		},
	}

	// Connect to the SSH server:
	ssh := Sync.ConnectSSH(config, serverAddrString)
	if ssh == nil {
		log.Println(`It was not possible to connect to the SSH server.`)
		return
	}

	defer ssh.Close()
}