Blackjack game

blackjack.sh

#! /usr/local/bin/bash -
#
TXT_BLD=$(tput bold)
TXT_YLW=$(tput setaf 3)
TXT_RED=$(tput setaf 1)
TXT_GRN=$(tput setaf 2)
TXT_WARN="${TXT_BLD}${TXT_YLW}"
TXT_ERR="${TXT_BLD}${TXT_RED}"
TXT_OKAY="${TXT_BLD}${TXT_GRN}"
TXT_RST=$(tput sgr0)
L_BREAK='------------------------------------------------------------'
PS3="${TXT_OKAY}[BlackJack 1.0]${TXT_RST}: "
BJ_CARDS=('❶ One (1)' '❷ Two (2)' '❸ Three (3)' '❹ Four (4)' '❺ Five (5)' '❻ Six (6)' '❼ Seven (7)' '❽ Eight (8)' '❾ Nine (9)' '❿ Ten (10)' '♘ Jack (10)' '♕ Queen (10)' '♔ King (10)' '❖ Ace (1/11)' '❖ Ace (1)' '❖ Ace (11)')
randnum_p () {

	RANDOM_NUM=$[$RANDOM % 14]
	if [[ "$RANDOM_NUM" = '13' ]]; then
		echo "You have been dealt an Ace! Do you want this to be a one or an eleven?" >/dev/tty
		select choice in One Eleven; do
			case $choice in
				One) RANDOM_NUM=14; break;;
				Eleven) RANDOM_NUM=15; break;;
			esac
		done >/dev/tty
		echo "$RANDOM_NUM"
	else 
		echo "$RANDOM_NUM"
	fi

}
randnum_d () {

RANDOM_NUM=$[$RANDOM % 14]
	if [[ "$RANDOM_NUM" = '13' ]]; then
		RANDOM_NUM=14
		echo "$RANDOM_NUM"
	else 
		echo "$RANDOM_NUM"
	fi

}
player.deal () {

	CURRENT_CARDS=$(echo ${#CARD_PLAYER[@]})
	if [[ "$CURRENT_CARDS" -ge '1' ]]; then
		ARRAY_INDEX=$(($CURRENT_CARDS+1))
	else
		ARRAY_INDEX=0
	fi
	if [[ "$ARRAY_INDEX" = '0' ]]; then
		CARD_PLAYER[0]=${BJ_CARDS[$(randnum_p)]}
		echo -e "Your first card is:\t${TXT_BLD}$(echo ${CARD_PLAYER[0]} | awk '{print $0}')${TXT_RST}"
		CARD_PLAYER[1]=${BJ_CARDS[$(randnum_p)]}
		echo -e "Your second card is:\t${TXT_BLD}$(echo ${CARD_PLAYER[1]} | awk '{print $0}')${TXT_RST}"
	else
		CARD_PLAYER[$ARRAY_INDEX]=${BJ_CARDS[$(randnum_p)]}
		echo -e "Your next card is:\t${TXT_BLD}$(echo ${CARD_PLAYER[$ARRAY_INDEX]} | awk '{print $0}')${TXT_RST}"
	fi
	player.total
	
}
player.total () {

	PLAYER_TOTAL=0
	for i in "${CARD_PLAYER[@]}"; do
		CARD_VALUE=$(echo $i | tr -d '()' | awk '{print $3}')
		PLAYER_TOTAL=$(($PLAYER_TOTAL+$CARD_VALUE))
	done
	echo -e "Your currently have:\t${TXT_OKAY}$PLAYER_TOTAL${TXT_RST}"

}
dealer.deal () {

	CURRENT_CARDS=$(echo ${#CARD_DEALER[@]})
	if [[ "$CURRENT_CARDS" -ge '1' ]]; then
		ARRAY_INDEX=$(($CURRENT_CARDS+1))
	else
		ARRAY_INDEX=0
	fi
	if [[ "$ARRAY_INDEX" = '0' ]]; then
		CARD_DEALER[0]=${BJ_CARDS[$(randnum_d)]}
		echo -e "Dealer receives face down card."
		CARD_DEALER[1]=${BJ_CARDS[$(randnum_d)]}
		echo -e "Dealers second card is:\t${TXT_BLD}$(echo ${CARD_DEALER[1]} | awk '{print $0}')${TXT_RST}"
	else
		CARD_DEALER[$ARRAY_INDEX]=${BJ_CARDS[$(randnum_d)]}
		echo -e "Dealers next card is:\t${TXT_BLD}$(echo ${CARD_DEALER[$ARRAY_INDEX]} | awk '{print $0}')${TXT_RST}"
	fi
	
}
dealer.total () {

	DEALER_TOTAL=0
	for i in "${CARD_DEALER[@]}"; do
		CARD_VALUE=$(echo $i | tr -d '()' | awk '{print $3}')
		DEALER_TOTAL=$(($DEALER_TOTAL+$CARD_VALUE))
	done
	echo -e "Dealer currently has:\t${TXT_WARN}$DEALER_TOTAL${TXT_RST}"

}
dealer.play () {

	while [[ "$DEALER_TOTAL" -lt '17' ]]; do
		dealer.deal
		dealer.total
	done

}
reset.game () {

	unset DEALER_TOTAL;	unset PLAYER_TOTAL;	unset CARD_DEALER; unset CARD_PLAYER; unset CURRENT_CARDS; unset ARRAY_INDEX
	BJ_PLAY='yes'

}
BJ_PLAY='yes'
while [[ "$BJ_PLAY" = "yes" ]]; do	
	echo "Hello $USER, would you like to play blackjack?"
	select answer in Yes No; do
		case $answer in
			Yes) echo "Excellent, have fun!"; reset.game; break;;
			No) echo "Beat it then, chump!"; BJ_PLAY='no'; exit 1;;
		esac
	done
	echo "$L_BREAK"
	player.deal
	while [[ "$PLAYER_TOTAL" -lt '21' ]]; do
		select answer in Hit Stay; do
			case $answer in
				Hit) player.deal; break;;
				Stay) break 2;;
			esac
		done
	done
	if [[ "$PLAYER_TOTAL" -gt '21' ]]; then
		echo "${TXT_ERR}You bust! ${TXT_RST}Dealer wins."
		echo "$L_BREAK"
		PLAYER_BUST='yes'
	else
		PLAYER_BUST='no'
	fi
	echo "$L_BREAK"
	if [[ "$PLAYER_BUST" = 'no' ]]; then
		dealer.play
	fi
	if [[ "$DEALER_TOTAL" -gt '21' && "$PLAYER_BUST" = 'no' ]]; then
		echo "Dealer bust. ${TXT_OKAY}You win! ${TXT_RST}"
		echo "$L_BREAK"
	elif [[ "$DEALER_TOTAL" -ge "$PLAYER_TOTAL" && "$PLAYER_BUST" = 'no' ]]; then
		echo -e "Dealer has:\t$DEALER_TOTAL\nYou have:\t$PLAYER_TOTAL\n${TXT_ERR}You lose! ${TXT_RST}"
		echo "$L_BREAK"
	elif [[ "$DEALER_TOTAL" -lt "$PLAYER_TOTAL" && "$PLAYER_BUST" = 'no' ]]; then
		echo -e "Dealer has:\t$DEALER_TOTAL\nYou have:\t$PLAYER_TOTAL\n${TXT_OKAY}You win! ${TXT_RST}"
		echo "$L_BREAK"
	fi
done