users = [
		{username: "abel", password: "123"},
		{username: "antonio", password: "456"},
		{username: "castillo", password: "789"},
		{username: "tenera", password: "101"}
	]

max_attempts = 4;


puts "Welcome to the authenticator"
puts "-"*25
puts
puts "Please insert user and password"

continue = true
attempt_number = 0
while continue && attempt_number < max_attempts do
	print "Username: "
	user_name = gets.chomp.downcase
	print "Password: "
	user_password = gets.chomp
	input_tuple = {username: user_name, password: user_password}

	if(users.index(input_tuple).nil?)
		puts "Credentials not correct"
	else
		p input_tuple
		attempt_number=0
	end

	puts "Press n to quit or any other key to continue: "
	option = gets.chomp
	continue = option != "n";
	attempt_number+=1
end