#!/bin/bash

function abort() {
echo $1
[ -z $2 ] && exit -1
exit $2 # otherwise
}

function usage() {
cat <<USAGE
Usage: $u [-hfn] [-d DIR] [-g <game>] [-r <rules>] [-s DIR]
  -h   print this message
  -f   force overwrite of existing game
  -g   game id
  -n   create new eressea.ini file
  -r   name of ruleset
  -s   server installation directory
  -d   override directory name
USAGE
}

game=0
force=0
src=server
edit=1
while getopts :d:g:r:s:hfn o; do
  case "${o}" in
  h) usage ; exit 0 ;;
  s) src=${OPTARG} ;;
  d) dir=${OPTARG} ;;
  f) force=1 ;;
  n) edit=0 ;;
  g) game=${OPTARG} ;;
  r) rules=${OPTARG} ;;
  *) echo "not implemented ${o} ${OPTARG}" ;;
  esac
done

[ $game -gt 0 ] || abort "must use a positive integer for game id"
[ -d $ERESSEA ] || abort "invalid or missing env variable ERESSEA ($ERESSEA)"
[ -z $SOURCE ] && SOURCE=$ERESSEA/$src
[ -d $SOURCE ] || abort "invalid source directory $SOURCE"
[ -z $rules ] && rules=e$game
[ -z $dir ] && dir=game-$game
[ -z $TOOLS ] && TOOLS=$SOURCE/build-x86_64-gcc-Debug
[ -e $TOOLS ] || TOOLS=$SOURCE/bin
[ -z $INIFILE ] && INIFILE=$TOOLS/inifile
[ -e $INIFILE ] || INIFILE=$TOOLS/iniparser/inifile
#[ -e $INIFILE ] || abort "tool is not installed: $INIFILE"

cd $ERESSEA
if [ -d $dir ] ; then
  [ $force -eq 1 ] || abort "$dir directory exists. Use -f to force"
fi
mkdir -p $dir
cd $dir || abort "could not chdir to game-$game"
mkdir -p data reports

function ini_sec() {
if [ $edit -eq 1 ]; then
$INIFILE eressea.ini add $1
else
echo "[$1]" >> eressea.ini
fi
}
function ini_add() {
if [ $edit -eq 1 ]; then
$INIFILE eressea.ini add $1:$2 $3
else
echo "$2 = $3" >> eressea.ini
fi
}
function ini_start() {
if [ -e eressea.ini ]; then
if [ ! -e $INIFILE ] && [ $edit -eq 1 ]; then
abort "missing editor for eressea.ini. use -n to create new file."
fi
rm -f eressea.ini
edit=0
else
edit=0
fi
touch eressea.ini
}

ini_start
ini_sec eressea
ini_add eressea locales de,en
ini_sec lua
ini_add lua install $SOURCE
ini_add lua paths $SOURCE/scripts:$SOURCE/lunit
ini_add lua rules $rules

echo 0 > turn
touch newfactions
ln -sf $SOURCE/bin/eressea
ln -sf $SOURCE/scripts/run-turn.lua
ln -sf $SOURCE/scripts/reports.lua
ln -sf $SOURCE/scripts/config.lua