#!/bin/bash

### Variables used in script
infile="bookofrandomtables1.txt"
##infile=$1
cleanFile="clean-$infile"
titleFile="titles-$infile"
outpath='./Step-1'
###

### Debugger 
source ~/bin/debugger
debug=true
###


getTitles() {
	cat $cleanFile | \
		grep -A $(wc -l $cleanFile | \
		awk '{print $1}') "Table of Contents" | \
		grep -B $(wc -l $cleanFile | \
		awk '{print $1}') "How to Use this Book" | \
		grep -E "[\ \#\-\,\&\'\`\´\’\–A-Za-z0-9_]{1,999}\.{1,}" | \
		grep -v "Credits" | \
		grep -v "How to Use this Book" | \
		grep -Eo "^[\ \#\-\,\&\'\`\´\’\–A-Za-z0-9_]{1,999}[^.]" > $titleFile
}

fixScan(){
	cp $infile $cleanFile
	sed -i 's/ffi/ffi/gm' $cleanFile
	sed -i 's/Items in a Office/Items in an Office/gm' $cleanFile
}

GetListFromTitle() {
	local titlecount=$(wc -l $titleFile | awk '{print $1}')
	debugger "TitleCount: $titlecount"
	local currentlinenum=1
	while (( $currentlinenum < $titlecount )); do
		debugger ""
		debugger ""
		debugger ""
		debugger "$currentlinenum / $titlecount"


		lineTitle=$(sed -n "$currentlinenum p" $titleFile)
		debugger "Title from Title File= $lineTitle"
		
		currentline=$(getTitleLine "$lineTitle")
		debugger "Current Line $currentline"


#		currentline=""
#		currentline="$(cat $cleanFile | grep "$lineTitle" | grep -v '\.' )"
#		debugger "Title from $cleanFile: $currentline"


#		if [ -z $currentline  ] ; then
#			grepcommand="cat $cleanFile | grep -vE '\.' | $(badGrepper "$lineTitle")"
#			debugger "Grep commands = $grepcommand"
#			currentline="$(eval "$grepcommand")"
#			grepcommand=""
#		fi
#		debugger "Current Line = $currentline"
#
#
		debugger "CurrentLineNum: $currentlinenum"
		local tableNum=$currentlinenum
		currentlinenum=$(( $currentlinenum + 1 ))
		debugger "CurrentLineNum After+1: $currentlinenum"

		

		nextLineTitle=$(sed -n "$currentlinenum p" $titleFile)
		debugger "Next Lines Title= $nextLineTitle"


		nextline=$(getTitleLine "$nextLineTitle")
		debugger "Next Line $nextline"



		local maxlines=$(wc -l $cleanFile | awk '{print $1}')
		debugger $currentline
		debugger $nextline
#exit
		cat $cleanFile | \
			grep -A $maxlines "Good adventuring" | \
			grep -A $maxlines "$currentline" | \
			grep -B $maxlines "$nextline" > "$outpath/$tableNum-$currentline.txt"
	done
	local currentline=$(sed -n "$currentlinenum p" $titleFile)
	debugger HEAERGAERGA
	debugger $currentline
	debugger EFAEFAWFE
	cat $cleanFile | grep -A $maxlines "$currentline" > "$outpath/$titlecount-$currentline.txt"
}

function getTitleLine() {
	
	output_line=""
	output_line="$(cat $cleanFile | grep "$1" | grep -v '\.' )"
	echo "output before badgrepper: $output_line" > $(tty)
 	if [ -z "$output_line"  ] ; then
		grepcommand="cat $cleanFile | grep -vE '\.' | $(badGrepper "$1")"
		output_line="$(eval "$grepcommand")"
		grepcommand=""
	fi
	echo "output after badgrepper: $output_line" > $(tty)
 	if [ -z "$output_line"  ] ; then
		echo "Unable to match Table of Contents Title with title further down in document" >&2
		exit 1
	else
		echo $output_line
	fi

}



function dumpOfAllMyRandomCommandsAndStuff() {
	# command for turning string variable into array variable
#	echo $1
	for i in $1;do 
		grepme+=("$i")
#		echo $i
	done
#	echo ${array[@]}
	
}
function badGrepper() {
	grepme=()
	aegr=$1
	dumpOfAllMyRandomCommandsAndStuff "$aegr"
	iamgrep=""
	for i in ${grepme[@]}; do
		iamgrep+="grep \"$i\""
		if [[ "$i" != "${grepme[-1]}" ]]; then
			iamgrep+=' | '
		fi
	done
	echo $iamgrep
}

case $1 in
	testing)
		echo HELLO
		grepresult=$(badGrepper)
		echo "The following is the command  '$grepresult'"
		;;
	*)
		debugger "Fixing spelling from certain pdftotext bugs"
		fixScan
		
		debugger "Getting Titles"
		getTitles
		mkdir -p $outpath
		debugger "Creating lists"
		GetListFromTitle
		;;
esac