#!/bin/bash
### BEGIN INIT INFO
# Provides:     ruling.digital
# Required-Start:       $network
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start orbit daemon at boot time
# Description:       Start orbit daemon at boot time
### END INIT INFO
ORBIT_USER=rulingcom

if [ -f "/home/$ORBIT_USER/.rvm/scripts/rvm" ]; then
    source /home/$ORBIT_USER/.rvm/scripts/rvm
    rvm use default
else
    if  [ -f "/etc/profile.d/rvm.sh" ]; then
        source /etc/profile.d/rvm.sh
    elif [ "$1" != "setup" ]; then
        echo ""
        echo "-----------------------------------------------------"
        echo "Orbit server dependencies is missing. Please run setup first."
        echo "command:    service orbit setup"
        echo "-----------------------------------------------------"
        echo ""
        exit 0;
    fi
fi

ORBIT_SITES=`pwd`
ORBIT_GIT='http://ruling.digital/git'
ORBIT_BUILT_IN_EXT='http://gitlab.tp.rulingcom.com/core/default-modules/-/raw/orbit/built_in_extensions.rb'
ORBIT_DEFAULT_THEME='http://gitlab.tp.rulingcom.com/themes/default-theme.git'
NGINX_ORBIT_SITES='/etc/nginx/orbit_sites'

RAILS_ENV=production

sig () {
    test -s "$ORBIT_ROOT/tmp/pids/unicorn.pid" && kill -$1 `cat $ORBIT_ROOT/tmp/pids/unicorn.pid`
}

get_orbit_root () {
    if [ ! -f $NGINX_ORBIT_SITES/$1 ]; then echo "Site $1 not found" && exit 0; fi
    ORBIT_ROOT=`cat $NGINX_ORBIT_SITES/$1 | grep 'root'   | grep -v '#' | xargs | awk '{print $2}'`;
    ORBIT_ROOT=${ORBIT_ROOT//"/public;"/""};
    if [ ! -d $ORBIT_ROOT ]; then echo "Site folder $ORBIT_ROOT not fount"; fi
}

start_orbit () {
    sig 0 $ORBIT_ROOT && echo >&2 "$ORBIT_ROOT Already running";
    echo "Starting $ORBIT_ROOT";
    sudo su -l $ORBIT_USER -c "cd $ORBIT_ROOT && bundle exec unicorn_rails -D -E $RAILS_ENV -c config/unicorn.rb";
}
bundle_orbit () {
    args="$1"
    if [[ -z $args ]]; then
        args="install"
    fi
    sudo su -l $ORBIT_USER -c "cd $ORBIT_ROOT && bundle $args";
}
case $1 in
install)
    if [ ! -z "$2" ]; then
        get_orbit_root $2
        bundle_orbit
    else
        closed_sites="$(cat /home/$ORBIT_USER/closed_sites.txt)"
        for APP in `ls -1 $NGINX_ORBIT_SITES`; do
          get_orbit_root $APP;
          if [[ ! "$closed_sites" =~ "$ORBIT_ROOT" ]]; then
            bundle_orbit;
          fi
        done
    fi

    exit 0;
;;
start)
    if [ ! -z "$2" ]; then
        get_orbit_root $2
        start_orbit
    else
        closed_sites="$(cat /home/$ORBIT_USER/closed_sites.txt)"
        for APP in `ls -1 $NGINX_ORBIT_SITES`; do
          get_orbit_root $APP;
          if [[ "$closed_sites" =~ "$ORBIT_ROOT" ]]; then
            echo "Stopping $ORBIT_ROOT";
            sig QUIT && continue;
          else
            start_orbit;
          fi
        done
    fi

    exit 0;
    ;;
stop)
    while [ `whoami` != "root" ]; do
        if [ ! -z "$2" ]; then
            read -p "Stop Orbit $2? (y/n)  " CONFIRM
        else
            read -p "Stop All Orbits? (y/n)  " CONFIRM
        fi
        case "$CONFIRM" in
            y|Y ) break;;
            n|N ) exit 0;;
            * ) echo "(y/n)";;
        esac
    done
    if [ ! -z "$2" ]; then
        get_orbit_root $2
        echo "Stopping $ORBIT_ROOT"
        sig QUIT
    else
        for APP in `ls -1 $NGINX_ORBIT_SITES`; do
          get_orbit_root $APP;
          echo "Stopping $ORBIT_ROOT";
          sig QUIT && continue;
        done
    fi
    exit 0;
    ;;
force-stop)
    while true; do
        if [ ! -z "$2" ]; then
            read -p "Stop Orbit $2? (y/n)  " CONFIRM
        else
            read -p "Stop All Orbits? (y/n)  " CONFIRM
        fi
        case "$CONFIRM" in
            y|Y ) break;;
            n|N ) exit 0;;
            * ) echo "(y/n)";;
        esac
    done
    if [ ! -z "$2" ]; then
        get_orbit_root $2
        echo "Stopping $ORBIT_ROOT"
        sig TERM
    else
        for APP in `ls -1 $NGINX_ORBIT_SITES`; do
          get_orbit_root $APP;
          echo "Stopping $ORBIT_ROOT";
          sig TERM && continue;
        done
    fi
    exit 0;
    ;;
restart|reload)
    if [ ! -z "$2" ]; then
        get_orbit_root $2
        sig USR2 && echo "$ORBIT_ROOT reloaded OK" && exit 0
        echo >&2 "Couldn't reload $ORBIT_ROOT, starting instead"
        start_orbit
    else
        closed_sites="$(cat /home/$ORBIT_USER/closed_sites.txt)"
        for APP in `ls -1 $NGINX_ORBIT_SITES`; do
          get_orbit_root $APP;
          if [[ "$closed_sites" =~ "$ORBIT_ROOT" ]]; then
            echo "Stopping $ORBIT_ROOT";
            sig QUIT && continue;
          else
            sig USR2 && echo "$ORBIT_ROOT reloaded OK" && continue;
            echo >&2 "Couldn't reload $ORBIT_ROOT, starting instead";
            start_orbit;
          fi
        done
    fi
    exit 0;
    ;;
create)
    d="$(dirname $2)"
    site_name="$(basename $2)"
    if [[ $d != '.' ]]; then
        if [[ "${d:0:1}" == "/" ]]; then
            ORBIT_SITES="$d"
        else
            ORBIT_SITES="$ORBIT_SITES/$d"
        fi
    fi
    test -s "$NGINX_ORBIT_SITES/$site_name" && echo "Site $site_name already exist." && exit 0
    test -s "$ORBIT_SITES/$site_name" && echo "File $ORBIT_SITES/$site_name already exist." && exit 0

    while true; do
      read -p "nginx server name: " SERVER_NAME
      if [ ! -z "$SERVER_NAME" ]; then break; fi
    done
    
    read -p "port number: " PORT
    if [ -z "$PORT" ]; then
        PORT="80";
    fi

    while true; do
      read -p "database name: " DATABASE
      if [ ! -z "$DATABASE" ]; then break; fi
    done

    echo "-----------------------------------------------------"
    echo "Path: $ORBIT_SITES/$site_name"
    echo "Database: $DATABASE"
    echo http://$SERVER_NAME:$PORT
    echo "-----------------------------------------------------"

    while true; do
        read -p "Create Orbit $site_name? (y/n)  " CONFIRM
        case "$CONFIRM" in
            y|Y ) break;;
            n|N ) exit 0;;
            * ) echo "(y/n)";;
        esac
    done

    cd ~
    sudo wget http://gitlab.tp.rulingcom.com/erictyl/install_r45_on_ubuntu_1804lts_doc/-/raw/master/nginx4-5.conf -O $NGINX_ORBIT_SITES/$site_name
    sudo perl -pi -e "s/{{ORBIT}}/$site_name/g" $NGINX_ORBIT_SITES/$site_name
    sudo perl -pi -e "s#{{ORBIT_SITES}}#${ORBIT_SITES}#g" $NGINX_ORBIT_SITES/$site_name
    sudo perl -pi -e "s/{{PORT}}/$PORT/g" $NGINX_ORBIT_SITES/$site_name
    sudo perl -pi -e "s/{{SERVER_NAME}}/$SERVER_NAME/g" $NGINX_ORBIT_SITES/$site_name
    sudo service nginx reload
    sudo su -l $ORBIT_USER -c "mkdir -p $ORBIT_SITES"
    sudo su -l $ORBIT_USER -c "cd $ORBIT_SITES && git clone $ORBIT_GIT $site_name"
    sudo su -l $ORBIT_USER -c "cd $ORBIT_SITES/$site_name && wget $ORBIT_BUILT_IN_EXT && git clone $ORBIT_DEFAULT_THEME app/templates/default-theme && bundle install"
    sudo su -l $ORBIT_USER -c "cd $ORBIT_SITES/$site_name && perl -pi -e \"s/orbit_4_5/$DATABASE/g\" config/mongoid.yml"
    # sudo su -l $ORBIT_USER -c "cd $ORBIT_SITES/$site_name && bundle exec rake assets:precompile RAILS_ENV=production"
    sudo su -l $ORBIT_USER -c "cd $ORBIT_SITES/$site_name && bundle exec unicorn_rails -c config/unicorn.rb -D -E $RAILS_ENV"

    echo "-----------------------------------------------------"
    echo "$site_name is ready"
    echo "Path: $ORBIT_SITES/$site_name"
    interface_name=`ip route get 8.8.8.8|xargs|awk '{print $5}'`;
    local_ip=`ip a|grep "$interface_name" | grep -ohP '(?<=inet ).*(?=/24)'|sed 's/\s*$//g'|xargs|awk '{print $1}'`
    echo http://$local_ip:$PORT
    echo "-----------------------------------------------------"

    exit 0
    ;;
setup)
    wget http://gitlab.tp.rulingcom.com/erictyl/install_r45_on_ubuntu_1804lts_doc/-/raw/master/install_orbit_environment.sh -O install_orbit_environment.sh
    source install_orbit_environment.sh
    echo ""
    echo "-----------------------------------------------------"
    echo "System is ready. You can start creating Orbit servers."
    echo "command:    orbit create Orbit_Folder_Name"
    echo "-----------------------------------------------------"
    echo ""
    exit 0
    ;;
*)
    echo >&2 "Usage $0 <start|stop|restart|force-stop|create|setup>"
    exit 1
    ;;
esac