#!/bin/bash -e

elc=~/.elc
datadir=$elc/el_data
browser=xdg-open

if [[ ! -e $elc ]] || [[ ! -e $datadir ]] || [[ ! -e $elc/servers.lst ]] ||
   [[ ! -e $elc/el.ini ]]; then

	[[ -e $elc ]] || mkdir -p $elc

	if [[ ! -e $datadir ]]; then
		echo
		echo "The \"Eternal Lands\" launcher is downloading the game data..."
		echo "It is only needed before the first start."
		echo "The default data location is ~/.elc/el_data"
		echo

		tmpdir="`mktemp -d /tmp/eternal-lands.XXXXXXXXXX`"
		trap "rm -r $tmpdir" EXIT
		wget https://github.com/raduprv/Eternal-Lands/releases/download/1.9.5.2/el_195_1_data_files.zip -P $tmpdir
		unzip $tmpdir/el_195_1_data_files.zip -d $elc

		echo
		echo "The game sound and music are optional, you can download \
them now or any time later from the official website and unpack into \
~/.elc/el_data/sound and ~/.elc/el_data/music"
		while true; do
			read -r -n 1 -p "Download the game sound and music now? (y/n) " yn
			case $yn in
				[Yy]) break;;
				[Nn]) break;;
				*) echo -e "\nPlease answer Yes or No.";;
			esac
		done
		echo

		if [[ $yn == [Yy] ]]; then
			wget https://github.com/raduprv/Eternal-Lands/releases/download/1.9.5.2/eternallands-sound_1.9.4.zip -P $tmpdir
			wget https://github.com/raduprv/Eternal-Lands/releases/download/1.9.5.2/music_full.zip -P $tmpdir
			unzip $tmpdir/eternallands-sound_1.9.4.zip -d $datadir
			mkdir $datadir/music
			unzip $tmpdir/music_full.zip -d $datadir/music
		fi

		rm -r $tmpdir
	fi

	[[ -e $elc/servers.lst ]] || cp $datadir/servers.lst $elc/
	[[ -e $elc/el.ini ]] || cp $datadir/el.ini $elc/
fi

exec /usr/bin/el.linux.bin -dir="$datadir" -b="$browser" "$@"