#!/bin/bash

# See usage() for detailed description
#
# Depends on >=bash-2.05 for arrays
#
# Author: Donnie Berkholz <spyderous@gentoo.org>

deck_file=${1}

usage() {
	echo
	echo "	card_count DECKLIST"
	echo
	echo "Check a *.dec file for deck size and sideboard size."
	echo
	echo "Example to check all *.dec files in a directory for non-60/non-15:"
	echo "for i in *.dec; do echo \$i; card_count \$i | grep -v -e 60 -e 15 \\"
	echo "  | while read line; do echo \"  \$line\"; done; done"
	echo
	echo "Relies on formatting of sideboard cards as 'SB: cardname'"

	exit 1
}

if [[ $# -ne 1 ]]; then
	usage
fi

# Read .dec file into array
declare -a deck
lineno=0
while read line; do
	deck[${lineno}]="${line}"
	(( lineno++ ))
done < ${deck_file}
lines=${lineno}

# Check for deck and sideboard
for (( lineno=0; lineno<=lines; lineno++ )); do
	if [[ ${deck[${lineno}]:0:1} = [0-9] ]]; then
		deck_lines="${deck_lines} ${lineno}"
	elif [[ ${deck[${lineno}]:0:2} = SB ]]; then
		sideboard_lines="${sideboard_lines} ${lineno}"
	fi
done

# Count cards
for lineno in ${deck_lines}; do
	card_count=${deck[${lineno}]%% *}
	(( deck_count += card_count ))
done
for lineno in ${sideboard_lines}; do
	sideboard_line=${deck[${lineno}]:4}
	card_count=${sideboard_line%% *}
	(( sideboard_count += card_count ))
done

echo Deck size: ${deck_count}
echo Sideboard size: ${sideboard_count}