#!/usr/bin/ruby

require 'readline'

$slovicka = {}

def skusanie
  chyby = 0
  slova = $slovicka.keys
  pocet = slova.length
  while slova.length != 0
    kluc = rand(slova.length)
#    print slova[kluc]+": "
#    odpoved = $stdin.readline.strip
    odpoved = Readline.readline(slova[kluc]+": ").strip
    if odpoved != $slovicka[slova[kluc]]
      chyby += 1
      puts "ZLE -- #{$slovicka[slova[kluc]]}"; $stdout.flush
      sleep 1; puts `tput cuu1; tput el` + "ZLE"; $stdout.flush
    else
      slova[kluc,1] = []
    end
  end
  puts "dokopy chýb: #{chyby} / #{pocet} (#{100.0 * chyby / pocet}%)"
end

def nacitaj(filename)
  File.open(filename) { |f| f.each_line do |line|
    if line[0,1] != "#"
      zz = line.split(":")
      $slovicka[zz[0].strip] = zz[1].strip if zz.length == 2
    end
  end }
end

if $0 == __FILE__
  ARGV.each{ |s| nacitaj s }
  skusanie
end