#!/bin/bash

if [ $# != 1 ]; then
	echo "Wrong parameter count!"
	exit 1
fi

#the string comparison doesn't work
function testExit {
	if [ $1 == "exit" ]; then
		exit 0
	fi
}

cash=$1

while [ $cash != 0 ]; do

        read -p "Choose your bet (1: color, 2: dosen, 3: number): " choice
	testExit choice
	while [ $choice -lt 1 -o $choice -gt 3 ]; do
        	clear
	        read -p "Choose your bet (1: color, 2: dosen, 3: number): " choice
		testExit choice
	done

	if [ $choice == 1 ]; then
       		read -p "Choose a color (1: red, 2: black): " color
		testExit color
		while [ $color -lt 1 -o $color -gt 2 ]; do
        		clear
        		read -p "Choose a color (1: red, 2: black): " color
			testExit color
		done
	elif [ $choice == 2 ]; then
	       	read -p "Choose a dosen (1: 1-12, 2: 13-24, 3: 25-36): " dosen
		testExit dosen
		while [ $dosen -lt 1 -o $dosen -gt 3 ]; do
        		clear
	        	read -p "Choose a dosen (1: 1-12, 2: 13-24, 3: 25-36): " dosen
			testExit dosen
		done
	elif [ $choice == 3 ]; then
       		read -p "Choose a number (0-36): " number
		testExit number
		while [ $number -lt 0 -o $number -gt 36 ]; do
        		clear
        		read -p "Choose a number (0-36): " number
			testExit number
		done
	fi


	read -p "Make your bet: " bet
	testExit bet
	while [ $bet -lt 0 -o $bet -gt $cash ]; do
		clear
		if [ $bet -gt $cash ]; then
			echo "You don't have enough cash! Your current balance: " $cash 
		fi
		read -p "Make your bet: " bet
		testExit bet
	done

	cash=$((cash-bet))

	randNum=$(($RANDOM % 36))
	colours="zpfpfpfpfpffpfpfpfppfpfpfpfpffpfpfpfp"
	randColor="0"

	if [ ${colours:$randNum:1} == "p" ]; then
		randColor="1"
	elif [ ${colours:$randNum:1} == "f" ]; then
		randColor="2"
	fi

	clear
	echo "The result is " $randColor $randNum


	if [ $choice == 1 ]; then
		if [ $color == $randColor ]; then
			echo "You won!"
			echo "Your winning is " $((bet*2))
			cash=$((cash+(bet*2)))
		else
			echo "You lost!"
		fi
	elif [ $choice == 2 ]; then
		min=$(((dosen-1)*12+1))
		max=$(((dosen-1)*12+12))
		if [ $randNum -gt $min -a $randNum -lt $max ]; then
                	echo "You won!"
	                echo "Your winning is " $((bet*3))
        	        cash=$((cash+(bet*3)))
	        else
        	        echo "You lost!"
	        fi
	elif [ $choice == 3 ]; then
		if [ $randNum == $number ]; then
	                echo "You won!"
        	        echo "Your winning is " $((bet*35))
                	cash=$((cash+(bet*35)))
	        else
        	        echo "You lost!"
	        fi
	fi


	if [ $cash == 0 ]; then
		echo "You lost all your money!"
	fi
done