#!/bin/bash

# Input and output files
if [ -z "$2" ]; then
	INPUT_FILE="input.txt"
else
	INPUT_FILE="$2"
fi
if [ -z "$3" ]; then
	OUTPUT_FILE="output.txt"
else
	OUTPUT_FILE="$3"
fi
tempfile=temp.txt

# Process the input file
dice(){
	sed -E 's/([0-9]+[dD][0-9]+)/[[\1]]/g' "$tempfile" > "$OUTPUT_FILE"
}

title(){
	sed -E 's/^([^ -]+.*?)-/<h3>\1<\/h3>-/g' "$tempfile" > "$OUTPUT_FILE"
}

RemoveNumbers() {
	sed -E 's/^[0-9]+\. +//g' "$tempfile" > "$OUTPUT_FILE"
}

ListSort(){
	sort -n "$tempfile" > "$OUTPUT_FILE" 
}

lineCombiner(){
	awk '
		/^[0-9]+–[0-9]+/ || /^[0-9]/ { 
		    if (entry) print entry
		    entry = $0
		    next
		}

		/^TABLE/ || /^d12/ || /^-[0-9]-/ {  
			if (entry) print entry
			entry = ""
			print
			next
		}

		{ entry = entry " " $0 }

		END { if (entry) print entry }
	' "$tempfile" > "$OUTPUT_FILE"
}


### RUNTIME ###

cp "$INPUT_FILE" "$tempfile"

case $1 in
	dice)
		dice
		;;
	title)
		title
		;;
	numbers)
		RemoveNumbers
		;;
	sort)
		ListSort
		;;
	lines)
		lineCombiner
		;;
	auto)
		ListSort
		cp "$OUTPUT_FILE" "$tempfile"
		RemoveNumbers
		cp "$OUTPUT_FILE" "$tempfile"
		dice
		;;
	*)
		echo "to use this script either write \"foundrycleaner.sh dice\" or \"foundrycleaner.sh title\" depending if you need [[dice]] or <h3>title</h3>"
		echo "Alternatively use 'foundrycleaner.sh sort'"
		echo "We also have foundrycleaner.sh auto"
esac

echo "Processed file saved as $OUTPUT_FILE"