#!/usr/local/bin/bash

#
# num.sh - little number guessing game for bash
#
# your enter five numbers and script tells if each number should be
# smaller, bigger or if it's right...
#
# kpn, pepe@kahvipannu.fi
#

function randomize {

	for (( i=1; i<6; i++ ))
	do
		num[$i]=$[($RANDOM%9)+1]
	done
}

function guess {

	ii=1
	echo
	echo -e " Your guess number $1: "
	echo -n " "
	read line
	for (( i=1; i<6; i++ ))
	do
		g[$i]=`echo $line | cut -c $ii`
		let ii=ii+2
	done
	if [ ${g[1]} ] && [ ${g[2]} ] && [ ${g[3]} ] && [ ${g[4]} ] && [ ${g[5]} ]
	then
	if [ ${g[1]} -eq ${g[1]} 2>/dev/null ] && [ ${g[2]} -eq ${g[2]} 2>/dev/null ] && [ ${g[3]} -eq ${g[3]} 2>/dev/null ] && [ ${g[4]} -eq ${g[4]} 2>/dev/null ] && [ ${g[5]} -eq ${g[5]} 2>/dev/null ]
	then
	if [ ${g[1]} -eq ${num[1]} ] && [ ${g[2]} -eq ${num[2]} ] && [ ${g[3]} -eq ${num[3]} ] && [ ${g[4]} -eq ${num[4]} ] && [ ${g[5]} -eq ${num[5]} ]
	then
		END=$(date +%s)
		TIME=$(( $END - $START ))
		echo -e "
 Congrats! You got it right with guess number $1 and in $TIME seconds.
 Right numbers are:
 ${num[1]} ${num[2]} ${num[3]} ${num[4]} ${num[5]}
		"
	exit
	else
		echo -n " "
		for (( iii=1; iii<6; iii++ ))
		do
			if [ ${g[$iii]} -lt ${num[$iii]} ]
			then
				echo -n "+ "
			fi
			if [ ${g[$iii]} -gt ${num[$iii]} ]
			then
				echo -n "- "
			fi
			if [ ${g[$iii]} -eq ${num[$iii]} ]
			then
				echo -n "= "
			fi
		done
	fi
	else
		echo " ERROR: Only numbers under nine allowed! (example: 1 2 3 4 5)"
	fi
	else
		echo " ERROR: You must give five numbers under nine! (example: 1 2 3 4 5)"
	fi
}

function start {

	echo -e "
 Try to guess my five number. All numbers between one and nine.
 After your guess I will tell for each number number if it is right (=),
 smaller (-) or bigger (+). Then we will see how many guesses you need.
 guess example: 1 2 3 4 5

	"
}

randomize
start
START=$(date +%s)
for (( guesses=1; guesses<11; guesses++ ))
do
	guess $guesses
done
END=$(date +%s)
TIME=$(( $END - $START ))
echo -e "
 You did not get it right in 10 guesses and $TIME seconds.
 Better luck next time. Right line this time was:
 ${num[1]} ${num[2]} ${num[3]} ${num[4]} ${num[5]}
"