#!/bin/sh

LATEST=$SEAF/seafile-server-latest
PIDS=$SEAF/pids

function stop() {
 $0 stop
}

case "$1" in
 run)
  if [ ! -e "$LATEST" ]; then
   (>&2 echo This appears to be the fist run, installing..)
   $0 run-upgrade
  else
   $0 manage-component seaf-server start $LATEST/seafile.sh start
   $0 manage-component seahub start $LATEST/seahub.sh "${SEAF_HUB_MODE:-start} 8000" &
   $0 manage-component nginx start nginx &
   wait
  fi
  trap stop SIGINT SIGTERM
  while pgrep -f "seafile-controller" 2>&1 >/dev/null; do
    sleep 2;
  done
 ;;
 run-upgrade)
  $0 upgrade && $0 run
 ;;
 stop)
   $0 manage-component seaf-server stop &
   $0 manage-component seahub stop &
   $0 manage-component nginx stop &
   $0 manage-component ccnet stop &
   wait
 ;;
 stop-upgrade)
  $0 stop && $0 upgrade
 ;;
 upgrade)
  /usr/local/sbin/upgrade main
  kill -SIGHUP $(pgrep -o nginx) #Reload nginx
 ;;
 manage-component)
  mkdir -p /var/run/seafile
  NAME="$2"
  PIDFILE=/var/run/seafile/$NAME.pid
  case "$3" in
   start)
    CMD="$4"; ARGS="$5"
    "$CMD $ARGS &"
    sleep 1
    ( ! "$0 $1 $NAME status") && ((>&2 echo Failed to start $NAME); exit 1)
    PID=$?
    #echo $PID > /var/run/seafile/$NAME.pid
   ;;
   status)
    ([ -e "$PIDFILE" ] && kill -0 $(cat $PIDFILE) 2> /dev/null && echo Running) || (echo Stopped && exit 1)
   ;;
   stop)
    if "$0 $1 $NAME status"; then
     kill $(cat $PIDFILE)
     TRIES=30
     while "$0 $1 $NAME status"; do
      TRIES=$((TRIES - 1))
      if [ $TRIES -eq 0 ]; then
       (>&2 echo Failed to stop $NAME)
       exit 1
      fi
      sleep 1
     done
     (>&2 echo $NAME has been stopped)
    else
     (>&2 echo $NAME is not running)
     exit 1
    fi
   ;;
  esac
 ;;
 *)
 (>&2 echo Unknown option $1 options include: run, run-upgrade, upgrade, stop, stop-upgrade)
 ;;
esac