#!/bin/bash
# Assignment2.bash

declare -a TorpedoMiss[18]
declare -a TorpedoHit[18]
declare torpedo_count=19
declare torpedo=18
declare index=0
declare subhit=0
declare target
#declare nDepth
#declare disengage
#declare AbandonResupply

for ((i==0;i<18;i++))
do
TorpedoMiss[i]="0"
TorpedoHit[i]="0"
done

let "target = $RANDOM % (12 - 6 + 1) + 6"

echo "Welcome aboard Captain. Prepare to engage!"

#while ((torpedo_count!="0"))
#do
echo -n "Torpedoes left :"
echo $torpedo
echo -n "Targets insight :"
echo $target

declare fire
declare hitmiss1
declare hitmiss2
declare hitmiss3
RANDOM=$$
echo -n "How many do you wish to fire, Captain? (1, 2, or 3) :"
read fire

	if (($fire=="1"))
	then
	let "hitmiss1 = $RANDOM % 3"
		if ((hitmiss1=="0"))
		then
		echo "HIT!"
		let "TorpedoHit[index]=TorpedoHit[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		elif (($hitmiss1=="1"))
		then
		echo "MISS!"
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		else
		echo "MISS!"
		let "TorpedoMiss[index}=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		fi
	let "torpedo=$torpedo-1"
	let "torpedo_count=$torpedo_count-1"
	let "RANDOM = $RANDOM + 1"
	
	elif (($fire=="2"))
	then
	let "hitmiss1 = $RANDOM % 3"
		if (($hitmiss1=="0"))
		then
		echo "HIT!"
		let "TorpedoHit[index]=TorpedoHit[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		elif (($hitmiss1=="1"))
		then
		echo "MISS!"
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		else
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		fi
	RANDOM=$$
	let "hitmiss2 = $RANDOM % 3"
		if (($hitmiss2=="0"))
		then
		echo "HIT!"
		let "TorpedoHit[index]=TorpedoHit[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		elif (($hitmiss2=="1"))
		then
		echo "MISS!"
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		else
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		fi
	let "torpedo=$torpedo-2"
	let "torpedo_count=$torpedo_count-2"
	let "RANDOM=$RANDOM+1"

	elif (($fire=="3"))
	then
	let "hitmiss1 = $RANDOM % 3"
		if (($hitmiss1=="0"))
		then
		echo "HIT!"
		let "TorpedoHit[index]=TorpedoHit[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		elif (($hitmiss2=="1"))
		then
		echo "MISS!"
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		else
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		fi
	let "hitmiss2 = $RANDOM % 3"
		if (($hitmiss2=="0"))
		then
		echo "HIT!"
		let "TorpedoHit[index]=TorpedoHit[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		elif (($hitmiss2=="1"))
		then
		echo "MISS!"
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		else
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		fi
	let "hitmiss3 = $RANDOM % 3"
		if (($hitmiss3=="0"))
		then
		echo "HIT!"
		let "TorpedoHit[index]=TorpedoHit[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		elif (($hitmiss3=="1"))
		then
		echo "MISS!"
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		else
		let "TorpedoMiss[index]=TorpedoMiss[$index]+1"
		let "index=$index+1"
		let "target=$target+1"
		fi
	let "torpedo=$torpedo-3"
	let "torpedo_count=$torpedo_count-3"
	let "RANDOM=$RANDOM+1"
	fi

echo -n "A Destroyer is in-bound! Enter dive depth (0-150 meters): "
read nDepth

#declare MAXARRAY=150
#declare MAXRUN=50
#declare TRUE=1
#declare bNotHit

#let bNotHit=$TRUE
#declare nCharge=0
#declare nRunSoFar=0

#let "nCharge=$MAXARRAY*$RANDOM/(

echo -n "Would you like to disengage? (Y/N) "
read disengage

	if [[$disengage=="n"]] || [[$disengage=="N"]]
	then
	echo "You had selected not to disengage."
	elif (($disengage=="y")) || (($disengage=="Y")) || (($torpedo=="0")) || (($target=="0")) || (($subhit=="0"))
	declare total_hits=0
	declare total_miss=0
	for ((i=0;i<10;i++))
	do
	total_hits=$total_hits+${TorpedoHit[i]}
	total_miss=$total_miss+${TorpedoHit[i]}
	done
	echo "Results of Attack: "
	echo -n "$total_hit"
	echo " hits."
	echo -n "$total_miss"
	echo " misses."
	echo -n "$total_hit"
	echo " ships sunk."
	
	if (($torpedo=="0"))
	then
	echo "Captain, we are out of torpedoes, would you like to: Abandon Ship\(Q) or resupply and re-engage\(R)?"
	read AbandonResupply
	elif (($target=="0"))
	then
	echo "Captain, we are out of target, would you like to: Abandon Ship\(Q) or resupply and re-engage\(R)?"
	read AbandonResupply
	elif (($subhit=="3"))
	then
	echo "Captain, we are sunk, would you like to: Abandon Ship\(Q) or resupply and re-engage\(R)?"
	read AbandonResupply
	elif (($disengage=="Y")) || (($disengage=="y"))
	then
	echo "Captain, would you like to: Abandon Ship\(Q) or resupply and re-engage\(R)?"
	read AbandonResupply

		if (($AbandonResupply=="Q")) || (($AbandonResupply=="q"))
		then
		let "$torpedo_count=0"
		elif(($AbandonResupply=="R")) || (($AbandonResupply=="r"))
		then
		let "torpedo=$torpedo+18"
		let "torpedo_count=19"
		let "index=0"
			if (($target=="0"))
			then
			let "target=$RANDOM % (12 - 6 + 1) + 6"
			fi
		fi
	fi
done
echo "$target"