#!/bin/sh

# /etc/rc.d/rc.forgejo
# Slackware init script for Forgejo.

FORGEJO_USER="git"
FORGEJO_GROUP="git"
FORGEJO_BIN="/usr/bin/forgejo"
FORGEJO_CONFIG="/etc/forgejo/app.ini"
FORGEJO_WORK_DIR="/var/lib/forgejo"
FORGEJO_LOG_DIR="/var/log/forgejo"
FORGEJO_RUN_DIR="/var/run/forgejo"
FORGEJO_PID="$FORGEJO_RUN_DIR/forgejo.pid"
FORGEJO_LOG="$FORGEJO_LOG_DIR/forgejo.log"

forgejo_start() {
  if [ ! -x "$FORGEJO_BIN" ]; then
    echo "Forgejo binary not found: $FORGEJO_BIN"
    exit 1
  fi

  if [ ! -f "$FORGEJO_CONFIG" ]; then
    echo "Forgejo configuration not found: $FORGEJO_CONFIG"
    echo "Create it from /etc/forgejo/app.ini.new and edit it first."
    exit 1
  fi

  if [ -f "$FORGEJO_PID" ]; then
    if kill -0 "$(cat "$FORGEJO_PID")" 2>/dev/null; then
      echo "Forgejo is already running. PID: $(cat "$FORGEJO_PID")"
      exit 0
    else
      rm -f "$FORGEJO_PID"
    fi
  fi

  echo "Starting Forgejo..."

  mkdir -p "$FORGEJO_RUN_DIR" "$FORGEJO_LOG_DIR" "$FORGEJO_WORK_DIR"
  chown -R "$FORGEJO_USER:$FORGEJO_GROUP" "$FORGEJO_RUN_DIR" "$FORGEJO_LOG_DIR" "$FORGEJO_WORK_DIR"

  su -s /bin/sh "$FORGEJO_USER" -c "cd '$FORGEJO_WORK_DIR' && '$FORGEJO_BIN' web --config '$FORGEJO_CONFIG' >> '$FORGEJO_LOG' 2>&1 & echo \$! > '$FORGEJO_PID'"

  sleep 2

  if [ -f "$FORGEJO_PID" ] && kill -0 "$(cat "$FORGEJO_PID")" 2>/dev/null; then
    echo "Forgejo started. PID: $(cat "$FORGEJO_PID")"
  else
    echo "Forgejo failed to start. Check $FORGEJO_LOG"
    exit 1
  fi
}

forgejo_stop() {
  if [ -f "$FORGEJO_PID" ]; then
    PID="$(cat "$FORGEJO_PID")"
    echo "Stopping Forgejo. PID: $PID"

    kill "$PID" 2>/dev/null

    for i in 1 2 3 4 5 6 7 8 9 10; do
      if kill -0 "$PID" 2>/dev/null; then
        sleep 1
      else
        break
      fi
    done

    if kill -0 "$PID" 2>/dev/null; then
      echo "Forgejo did not stop gracefully; forcing stop."
      kill -9 "$PID" 2>/dev/null
    fi

    rm -f "$FORGEJO_PID"
    echo "Forgejo stopped."
  else
    echo "Forgejo is not running or PID file is missing."
  fi
}

forgejo_status() {
  if [ -f "$FORGEJO_PID" ] && kill -0 "$(cat "$FORGEJO_PID")" 2>/dev/null; then
    echo "Forgejo is running. PID: $(cat "$FORGEJO_PID")"
  else
    echo "Forgejo is not running."
  fi
}

case "$1" in
  start)
    forgejo_start
    ;;
  stop)
    forgejo_stop
    ;;
  restart)
    forgejo_stop
    sleep 2
    forgejo_start
    ;;
  status)
    forgejo_status
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
    ;;
esac