#!/bin/bash

# The meta-circular version of running the lively4-server

echo "LIVELY " $LIVELY
echo "SERVER " $SERVER

OPTIONS=""

cd $LIVELY
_term() { 
  echo "Caught kill signal! Kill watcher and node, too!" 
  kill -TERM "$WATCHERPID" 2>/dev/null
  kill -TERM "$NODEPID"
  popd
  exit
}
trap _term SIGTERM
trap _term SIGINT

_restart() { 
  echo "restart server from watcher: "$NODEPID 
  kill $NODEPID
}
trap _restart SIGUSR1

pushd $LIVELY

export PATH=$SERVER/bin:$PATH

$SERVER/bin/watch.sh $SERVER/src/httpServer.js 'kill -USR1 '$$ &
WATCHERPID=$!


OPTIONS=" --server="$SERVER" "

if [ "$OS" == "Windows_NT" ]; then
    OPTIONS=$OPTIONS"  --lively4dir-unix="$LIVELY" --cygwin --bash-bin="`cygpath -wa /usr/bin/bash`
    SERVER=`cygpath -wa $SERVER`
    LIVELY=`cygpath -wa $LIVELY`

    echo "WIN SERVER "$SERVER
    echo "WIN LIVELY "$LIVELY
    echo "WIN OPTIONS "$OPTIONS
fi

while true; do
  # cheap log rotate
  cp $LOGFILE $LOGFILE.last
  echo "restart http server "`date`  | tee $LOGFILE;

  # optionally fetch new source
  if [ $GITPULL = "true" ]; then 
    pushd "$SERVER"
    git pull --no-edit | tee -a $LOGFILE
    popd
  fi
  # start server and filter secret tokens out before logging

  # transpile javascript
  pushd $SERVER; gulp babel; popd
  node $SERVER/dist/httpServer.js $OPTIONS --index-files="$INDEX_Files" --directory="$LIVELY4" --port="$PORT" --auto-commit="$AUTOCOMMIT" 2>&1 > >(\
  	  sed -u 's/https:\/\/.*@github.com/https:\/\/SECRET@github.com/' | \
	  sed -u 's/lively4sync.*/lively4sync.../' | \
	  tee -a $LOGFILE ) & 
	NODEPID=$!
	wait $NODEPID
	sleep 1 # wait a bit
done
# this will not be reached