#!/bin/sh

set -e

bspdir="$PWD/data"
url=http://141.2.16.23/~xonotic/bsp-autobuilds/

bspoutdir="$HOME/public_html/bsp-autobuilds/"

allmaps()
{
	for F in maps/*.map.options; do
		if ! [ -f "$F" ]; then
			continue
		fi
		if ! [ -f "${F%.options}" ]; then
			continue
		fi
		M=${F#maps/}
		M=${M%.map.options}
		blobhash=`git ls-files -s -- "$F" | cut -d ' ' -f 2`-`git ls-files -s -- "${F%.options}" | cut -d ' ' -f 2`
		"$@" "$M" "$blobhash"
	done
}

buildthemap()
{
	bspdir=$1
	M=$2
	blobhash=$3
	if [ -f "$bspdir/$M-$blobhash.pk3" ]; then
		continue
	fi
	(
		cd maps
		../../../misc/tools/xonotic-map-compiler "$M" `head -n 1 "$M.map.options"` 2>&1 | tee "$M.log"
	)
	zip -9r "$bspdir/$M-$blobhash.pk3" "maps/$M.bsp" "maps/$M.log" "maps/$M/" "maps/$M.lin" "gfx/${M}_mini.tga"
	ln -snf "../$M-$blobhash.pk3" "$bspdir/latest/$M.pk3" # from ALL branches, so beware!
}

getthemap()
{
	url=$1
	bspdir_old=$2
	bspdir=$3
	M=$4
	blobhash=$5
	if mv "$bspdir_old/$M-$blobhash.pk3" "$bspdir/$M-$blobhash.pk3"; then
		continue
	fi
	if ! wget -O "$bspdir/$M-$blobhash.pk3" "$url$M-$blobhash.pk3"; then
		rm -f "$bspdir/$M-$blobhash.pk3"
		echo "WARNING: could not download $url$M-$blobhash.pk3, maybe not ready yet"
		return 1
	fi
	if ! unzip -l "$bspdir/$M-$blobhash.pk3"; then
		rm -f "$bspdir/$M-$blobhash.pk3"
		echo "WARNING: could not download $url$M-$blobhash.pk3, invalid zip file"
		return 1
	fi
}

case "$1" in
	build)
		mkdir -p "$bspoutdir"
		mkdir -p "$bspoutdir/latest"
		cd data/xonotic-maps.pk3dir
		git for-each-ref 'refs/remotes' | while read -r HASH TYPE REFNAME; do
			git reset --hard
			git clean -xfd
			git checkout "$HASH"
			allmaps buildthemap "$bspoutdir"
		done
		git checkout master
		;;
	download)
		rm -rf "$bspdir.old"
		mkdir -p "$bspdir" "$bspdir.old"
		mv "$bspdir"/*-????????????????????????????????????????-????????????????????????????????????????.pk3 "$bspdir.old"/ || true
		cd data/xonotic-maps.pk3dir
		allmaps getthemap "$url" "$bspdir.old" "$bspdir"
		echo "List of maps that got deleted (if any) and currently are in $bspdir.old:"
		ls -l "$bspdir.old"
		;;
	download-latest)
		mkdir -p "$bspdir"
		cd "$bspdir"
		rm -f *-????????????????????????????????????????-????????????????????????????????????????.pk3
		wget -r -l1 -A "*.pk3" -N --no-parent --no-directories "$url/latest"
		;;
esac