#!/bin/bash
set -eu

RUNNER_DIR="${RUNNER_DIR:-/volume1/gitea/act_runner}"
PID_FILE="${PID_FILE:-$RUNNER_DIR/runner.pid}"
LOG_FILE="${LOG_FILE:-$RUNNER_DIR/runner.log}"

if [ ! -x "$RUNNER_DIR/act_runner" ]; then
  echo "ERROR: act_runner binary missing at $RUNNER_DIR/act_runner"
  exit 1
fi

if [ ! -f "$RUNNER_DIR/config.yaml" ]; then
  echo "ERROR: config missing at $RUNNER_DIR/config.yaml"
  echo "Run tools/re_register_act_runner_synology.sh first."
  exit 1
fi

if [ -f "$PID_FILE" ] && kill -0 "$(cat "$PID_FILE")" 2>/dev/null; then
  echo "already running pid=$(cat "$PID_FILE")"
  exit 0
fi

nohup "$RUNNER_DIR/act_runner" daemon --config "$RUNNER_DIR/config.yaml" >> "$LOG_FILE" 2>&1 &
echo $! > "$PID_FILE"
echo "started pid=$!"