#!/bin/bash
#
# Start diaspora websocket and main services
#

realpath=$( ruby -e "puts File.expand_path(\"$0\")")
cd $( dirname $realpath)/..
OS=`uname -s`

[ -e config/server.sh ] && source config/server.sh

function init_public
# Create all dynamically generated files in public/ folder
{
    bundle exec thin \
         -d --pid log/thin.pid --address localhost --port $THIN_PORT \
         start
    for ((i = 0; i < 30; i += 1)) do
        sleep 2
        wget -q -O tmp/server.html http://localhost:$THIN_PORT && \
            rm tmp/server.html && break
    done
    bundle exec thin --pid log/thin.pid stop
    if [ -e tmp/server.html ]; then
        echo "Cannot get index.html from web server (aborted)" >&2
        return 2
    fi
    bundle exec jammit
}

function chk_service
{
    port=${1:?Missing port}
    case $OS in
    *[Bb][Ss][Dd]*|Darwin)
        ## checks ipv[46]
        netstat -anL | awk '{print $2}' | grep "\.$1$"
    ;;
    *)
        # Is someone listening on the ports already? (ipv4 only test ?)
        netstat -nl | grep '[^:]:'$port'[ \t]'
    ;;
    esac
}

# Scan for -p, find out what port thin is about to use.
args="$DEFAULT_THIN_ARGS $@"
prev_arg=''
for arg in $( echo $args | awk '{ for (i = 1; i <= NF; i++) print $i}')
do
    [ "$prev_arg" = '-p' ] && THIN_PORT="$arg"
    prev_arg="$arg"
done

# Is someone listening on the ports already? (ipv4 only test ?)
services=$( chk_service $THIN_PORT )
if [ -n "$services" ]; then
    echo "Error: thin port $THIN_PORT is already in use. Exiting" >&2
    echo "     $services"
    exit 64
fi

services=$( chk_service $SOCKET_PORT )
if [ -n "$services" ]; then
    echo "Error: websocket port $SOCKET_PORT is already in use. Exiting" >&2
    echo "     $services"
    exit 64
fi

# Check if Mongo is running
if  ! ps ax | grep -v grep | grep mongod >/dev/null
then
    echo "Error: Mongod not started. Exiting" >&2
    exit 64
fi

# Force AGPL
if [ -w public -a ! -e  public/source.tar.gz ]; then
    branch=$( git branch | awk '/^[*]/ {print $2}')
    tar czf public/source.tar.gz  `git ls-tree -r $branch | awk '{print $4}'`
fi
if [ ! -e public/source.tar.gz ]; then
    echo "Error: Can't find, or even create, public/source.tar.gz. Exiting" >&2
    exit 65
fi

# Precache jammit assets
if [[ -w public  && ! -e 'public/stylesheets/application.css' ]]; then
    if [ "$INIT_PUBLIC" != 'no' ]; then
        echo "Making first-time server initialization."
        init_public
    fi
fi
if [ ! -e 'public/stylesheets/application.css' ]; then
    echo 'Jammit precache error (now or at install)' >&2
    exit 66
fi


mkdir -p -v log/thin/
bundle exec ruby ./script/websocket_server.rb&
redis-server &>log/redis.log &
QUEUE=* bundle exec rake resque:work&
bundle exec thin start $args

# vim:ts=4:sw=4:expandtab