#!/usr/bin/ruby ruby
require 'net/ftp'
ftp=Net::FTP.new

def conn
    puts ("What is the address of the desired FTP server?")
    ftpaddr=gets.chomp
    puts ("On what port would you like to connect? *Default is 21*")
    port=gets.chomp.to_i
    ftp.connect(ftpaddr,port)
end

def login
    puts ("What usernam would you like to login with?")
    user=gets.chomp
    puts ("Enter Password:")
    pass=gets.chomp
    ftp.login(user,pass)
end

def dirchg
    ftp.list
    puts ("What directory would you like to navigate to?")
    dir=gets.chomp
    ftp.chdir(dir)
    choice
end

def getfile
    ftp.list
    puts ("What file would you like to download?")
    file=gets.chomp
    puts ("What local director would you like to save the file to?")
    localdir=gets.chomp
    ftp.getbinaryfile(file,localdir,1024)
    choice
end

def choice
    puts ("What would you like to do?\nCHDIR\nGETFILE\nHOME\nEXIT")
    input=gets.chomp
    case input
    when "CHDIR"
        dirchg
    when "GETFILE"
        getfile
    when "HOME"
        ftp.chdir("/")
        choice
    when "EXIT"
        ftp.close
    else
        puts ("Please choose one of the 4 choices!")
        choice
    end
end

conn
login
puts ("Succesfully connected to #{addr}!")
ftp.list
choice