#!/bin/bash

declare -A mapOfChoices=( [rock]=1 [paper]=2 [scissors]=3 [1]=rock [2]=paper [3]=scissors )
humanWins=0 
machineWins=0
draws=0

read -p "Please select one from paper, scissors and rock (or exit) " humanChoice

until [ "$humanChoice" = "exit" ]
do
machineChoice=${mapOfChoices[$(($RANDOM % 3 + 1))]}
echo "Machine choice:  $machineChoice"
if [ "$machineChoice" = "$humanChoice" ]; then
echo "Draw"
((draws++))
else
 if test $((${mapOfChoices["$humanChoice"]}-${mapOfChoices[$machineChoice]} % 3)) = 1; then
	echo "You won!"
	((humanWins++))
 else
	echo "Machine is the winner :("
	((machineWins++))
 fi
fi
read -p "Please select one from paper, scissors and rock (or exit) " humanChoice
done
echo "Number of human wins: "$humanWins
echo "Number of draws: "$draws
echo "Number of machine wins: "$machineWins