#!/usr/bin/env bash
# register-runner.sh — standalone registration helper (run outside container)
# Useful for pre-generating config before first container start.
set -euo pipefail

: "${GITEA_INSTANCE_URL:?GITEA_INSTANCE_URL must be set}"
: "${GITEA_RUNNER_TOKEN:?GITEA_RUNNER_TOKEN must be set}"
: "${GITEA_RUNNER_NAME:?GITEA_RUNNER_NAME must be set}"

RUNNER_CONFIG_PATH="${RUNNER_CONFIG_PATH:-./config/runner.yaml}"
GITEA_RUNNER_LABELS="${GITEA_RUNNER_LABELS:-ubuntu-latest:docker://node:20-bullseye}"

echo "Registering runner: ${GITEA_RUNNER_NAME}"
echo "  Instance : ${GITEA_INSTANCE_URL}"
echo "  Config   : ${RUNNER_CONFIG_PATH}"
echo "  Labels   : ${GITEA_RUNNER_LABELS}"

mkdir -p "$(dirname "${RUNNER_CONFIG_PATH}")"

docker run --rm \
    -v "$(pwd)/config:/config" \
    -e GITEA_INSTANCE_URL="${GITEA_INSTANCE_URL}" \
    -e GITEA_RUNNER_TOKEN="${GITEA_RUNNER_TOKEN}" \
    -e GITEA_RUNNER_NAME="${GITEA_RUNNER_NAME}" \
    -e GITEA_RUNNER_LABELS="${GITEA_RUNNER_LABELS}" \
    -e RUNNER_CONFIG_PATH="/config/runner.yaml" \
    custom-gitea-runner:latest \
    act_runner register \
        --config /config/runner.yaml \
        --instance "${GITEA_INSTANCE_URL}" \
        --token "${GITEA_RUNNER_TOKEN}" \
        --name "${GITEA_RUNNER_NAME}" \
        --labels "${GITEA_RUNNER_LABELS}" \
        --no-interactive

echo "Registration complete. Config written to ${RUNNER_CONFIG_PATH}."