#!/usr/bin/env bash

# Copyright (C) 2011-2012  Evol Online
# Author: Andrei Karas (4144)

dir=`pwd`
output=~/www/updates
cdata=../../client-data

LDLIBS=-lz
prefix=/usr/local
CC=${CC:=gcc}

echo "======= Legacy ======="

echo ">> Building adler32..."
rm -f adler32 2>/dev/null || :
$CC -lz adler32.c -o adler32

echo ">> Creating directory tree..."
mkdir -pv files
mkdir -pv $output
mkdir -pv $cdata/music

chmod a+rx ./make-music.sh

echo ">> Removing leftovers..."
rm -rv files/* 2>/dev/null || :
rm -v $output/Legacy.zip 2>/dev/null || :

echo ">> Entering client-data..."
pushd $cdata
echo ">> Changing file dates..."
find -path ./music -prune -o -iregex ".+[.]\(xml\|png\|tmx\|ogg\|txt\|po\|tsx\)" -exec touch --date=2015-01-01 {} \;
echo ">> Compressing files..."
find -path ./music -prune -o -iregex ".+[.]\(xml\|png\|tmx\|ogg\|txt\|po\|tsx\)" -printf "%P\n" | zip -X -@ $dir/files/Legacy.zip
echo ">> Dumping git revision to file..."
git rev-parse HEAD >$dir/commit.txt

pushd $dir/files
echo ">> Calculating adler32 checksum..."
sum=`../adler32 1 Legacy.zip`
echo "Legacy.zip ${sum}" >resources2.txt

echo ">> Generating xml file..."
echo '<?xml version="1.0"?>
<updates>' >xml_header.txt
echo '</updates>' >xml_footer.txt

echo "    <update type=\"data\" file=\"Legacy.zip\" hash=\"${sum}\" />" >> xml_header.txt
cp xml_header.txt resources.xml
cat xml_footer.txt >>resources.xml

echo ">> Moving stuff around..."
cp -v Legacy.zip $output/
cp -v resources2.txt $output/
cp -v resources.xml $output/

echo ">> Giving read permissions..."
pushd $output
chmod a+r Legacy.zip
chmod a+r resources2.txt
chmod a+r resources.xml

popd # $dir/files
popd # $cdata
popd # tools/client