# im not multimc who cares if you dont rename this
PNAME=mcl
CACHE=/tmp/$PNAME\cache

mkdir -p $CACHE sh node libs assets assets/indexes assets/objects minecraft
echo fetching version manifest...
wget https://launchermeta.mojang.com/mc/game/version_manifest.json -qO $CACHE/version_manifest.json


# release|snapshot
CHANNEL=release
VERSION="$(jq -r .latest.$CHANNEL $CACHE/version_manifest.json)"

# ex. 1.17.1
#VERSION=

echo ver $VERSION

# create directory structure for version if missing
mkdir -p minecraft minecraft/versions minecraft/versions/$VERSION

# get json file for version
VERSION_MANIFEST=$(jq ".versions[] | select(.id==\"$VERSION\")" $CACHE/version_manifest.json | jq -r .url)
[ ! -f "minecraft/versions/$VERSION/$(basename $VERSION_MANIFEST)" ] && wget $VERSION_MANIFEST -qO "minecraft/versions/$VERSION/$(basename $VERSION_MANIFEST)"

# get jar file for version
[ ! -f "minecraft/versions/$VERSION/$VERSION.jar" ] && wget "$(jq -r .downloads.client.url minecraft/versions/$VERSION/$VERSION.json)" -qO "minecraft/versions/$VERSION/$VERSION.jar"

# get version assets
VERSION_ASSETS="$(jq -r .assetIndex.url minecraft/versions/$VERSION/$VERSION.json)"
[ ! -f "assets/indexes/$(basename $VERSION_ASSETS)" ] && wget $VERSION_ASSETS -qO "assets/indexes/$(basename $VERSION_ASSETS)"

# download objects
for OBJ in `jq -r .objects[].hash "assets/indexes/$(basename $VERSION_ASSETS)"`; do
	mkdir -p "assets/objects/$(echo $OBJ | cut -b 1,2)"
	[ ! -f "assets/objects/$(echo $OBJ | cut -b 1,2)/$OBJ" ] && wget "http://resources.download.minecraft.net/$(echo $OBJ | cut -b 1,2)/$OBJ" -qO "assets/objects/$(echo $OBJ | cut -b 1,2)/$OBJ" &
done

# get non-native libs
for LIBINDEX in `seq 0 $(($(jq '.libraries|length' minecraft/versions/$VERSION/$VERSION.json)-1))`; do
	LIBPATH=libs/`jq -r ".libraries[$LIBINDEX].downloads.artifact.path" minecraft/versions/$VERSION/$VERSION.json`
	LIBURL=`jq -r ".libraries[$LIBINDEX].downloads.artifact.url" minecraft/versions/$VERSION/$VERSION.json`
	mkdir -p "$(dirname $LIBPATH)"
	[ ! -f "$LIBPATH" ] && echo $LIBURL '=>' "$LIBPATH" && wget $LIBURL -qO "$LIBPATH"
done

# all the libs in the classpath, minus the version jar
# find /home/NAME/.minecraft/libraries/ | grep jar | sed 's/^\/home\/NAME\/.minecraft\/libraries\///g' | grep -v natives | wc -l