#!/usr/bin/env sh

usage="usage: init <year> <day> <language>"
year=${1?$usage}
day=${2?$usage}
lang=${3?$usage}

# get directory of this script
script=$(readlink -f $0)
script_path=$(dirname $script)

aoc_path=$script_path/$year/$day

mkdir --parents $aoc_path
touch $aoc_path/puzzle.txt

# data directory
if [ ! -d $aoc_path/data ]; then
	mkdir --parents $aoc_path/data
	for f in "test" "aoc"; do
		touch $aoc_path/data/$f.txt
		echo "silver: ???\ngold: ???" >$aoc_path/data/$f.ans
	done
fi

case $lang in
python)
	cp $script_path/template/python.py $aoc_path
	;;
rust)
	cargo new --vcs none --name aoc_$year-$day $aoc_path/rust
	cp $script_path/template/main.rs $aoc_path/rust/src/main.rs
	;;
*)
	echo unknown lang: $lang
	exit 1
	;;
esac