#!/bin/bash
set -eu

GITEA_URL="${GITEA_URL:-http://192.168.123.100:8418}"
REG_TOKEN="${REG_TOKEN:-}"
RUNNER_NAME="${RUNNER_NAME:-synology-runner}"
RUNNER_LABEL="${RUNNER_LABEL:-snapshot-admin-host}"
RUNNER_DIR="${RUNNER_DIR:-/volume1/gitea/act_runner}"
ACT_RUNNER_VERSION="${ACT_RUNNER_VERSION:-0.2.11}"

if [ -z "$REG_TOKEN" ]; then
  echo "ERROR: REG_TOKEN is required"
  echo "usage: REG_TOKEN=... GITEA_URL=... bash tools/re_register_act_runner_synology.sh"
  exit 1
fi

ARCH=$(uname -m)
case "$ARCH" in
  x86_64)  BINARY="act_runner-${ACT_RUNNER_VERSION}-linux-amd64" ;;
  aarch64) BINARY="act_runner-${ACT_RUNNER_VERSION}-linux-arm64" ;;
  armv7l)  BINARY="act_runner-${ACT_RUNNER_VERSION}-linux-arm-7" ;;
  *)       echo "ERROR: 지원하지 않는 아키텍처: $ARCH"; exit 1 ;;
esac

mkdir -p "$RUNNER_DIR/workspace"

if [ ! -x "$RUNNER_DIR/act_runner" ]; then
  DOWNLOAD_URL="https://gitea.com/gitea/act_runner/releases/download/v${ACT_RUNNER_VERSION}/${BINARY}"
  echo "[install] $DOWNLOAD_URL"
  curl -L --progress-bar "$DOWNLOAD_URL" -o "$RUNNER_DIR/act_runner"
  chmod +x "$RUNNER_DIR/act_runner"
fi

cat > "$RUNNER_DIR/config.yaml" <<YAML
runner:
  name: ${RUNNER_NAME}
  labels:
    - "self-hosted:host"
    - "${RUNNER_LABEL}:host"

host:
  workdir_parent: ${RUNNER_DIR}/workspace
YAML

echo "[register] removing previous registration"
rm -f "$RUNNER_DIR/.runner"

echo "[register] registering as host runner"
"$RUNNER_DIR/act_runner" register \
  --no-interactive \
  --instance "$GITEA_URL" \
  --token "$REG_TOKEN" \
  --name "$RUNNER_NAME" \
  --labels "self-hosted:host,${RUNNER_LABEL}:host" \
  --config "$RUNNER_DIR/config.yaml"

echo "re-registration complete"
echo "start with: bash /volume1/projects/data_feed/tools/start_act_runner_synology.sh"