English Numbers Listening Practice

english-numbers

#!/usr/bin/env ruby

puts "============================================="
puts "English Numbers Listening Practice by Eugene!"
puts "============================================="

sleep 1

$practice = 10

$total_times = 0
$total_wrong = 0

$practice.times do
  
  $voice  = ["Agnes","Alex","Bruce","Fred","Junior","Kathy","Princess","Ralph","Vicki","Victoria"].sample
  $number = [rand(10..99),rand(100..999),rand(1000..9999)].sample
  $wrong = 0

  def listen_and_answer
    $total_times += 1
    sleep 1
    
    `say -v #{$voice} #{$number}`

    print "Enter what you heard: "
    answer = gets.chomp
    
    if answer.to_i == $number
      puts "Correct!"
    else
      $wrong += 1
      $total_wrong += 1
      if $wrong > 2
        puts "The answer is #{$number}"
        sleep 1
      else
        puts "Try it again"
        listen_and_answer
      end
    end
  end

  listen_and_answer

end

puts "Score: #{ (($total_times - $total_wrong).to_f / $total_times * 100).to_i }"