#!/bin/bash
set -euo pipefail
# shellcheck disable=SC1091
source "${AGENT_PATH}/common.sh"
_check_required_env_vars "SERVER" "SERVICE" "TEMP_DIR" \
    "GITEA_RUNNER_DIRECTORY" "ACT_RUNNER_VERSION" \
    "GITEA_URL" "GITEA_TOKEN" "GITEA_RUNNER_NAME" "GITEA_RUNNER_LABELS" \
    "CONTAINER_NAME" "REGISTRATION_ID"


mkdir -p "${GITEA_RUNNER_DIRECTORY}" || _die "Failed to create ${GITEA_RUNNER_DIRECTORY}"

# Check if registration ID changed - if so, clear old registration
STORED_REG_ID_FILE="${GITEA_RUNNER_DIRECTORY}/.registration_id"
STORED_REG_ID=""
if [[ -f "$STORED_REG_ID_FILE" ]]; then
    STORED_REG_ID=$(cat "$STORED_REG_ID_FILE")
fi

if [[ "$STORED_REG_ID" != "$REGISTRATION_ID" ]]; then
    echo "Registration ID changed ($STORED_REG_ID -> $REGISTRATION_ID), clearing old registration..."
    rm -f "${GITEA_RUNNER_DIRECTORY}/.runner"
    echo "$REGISTRATION_ID" > "$STORED_REG_ID_FILE"
fi

./start.sh || _die "Failed to start"

echo "Installation complete for service ${SERVICE}."