#!/usr/bin/env bash
set -euo pipefail

cd "$(dirname "$0")"

[[ -f .env ]] && set -a && source .env && set +a

check_required_var() {
    if [[ -z "${!1:-}" ]]; then
        echo "ERROR: Required variable $1 not set (check .env)"
        exit 1
    fi
}

usage() {
    cat <<'EOF'
Usage: ./deploy.sh {up|down|logs|restart}

Actions:
  up        Build and start dashboard + database
  down      Stop containers (volumes preserved)
  logs      Tail logs
  restart   Restart dashboard without rebuild
EOF
}

check_required_var DASHBOARD_DB_USER
check_required_var DASHBOARD_DB_PASSWORD
check_required_var DASHBOARD_DB_NAME
check_required_var DASHBOARD_EXTERNAL_URL

case "${1:-}" in
    up)
        docker compose --profile dashboard up -d --build
        echo "Dashboard started at ${DASHBOARD_EXTERNAL_URL}"
        ;;
    down)
        docker compose --profile dashboard down
        ;;
    logs)
        docker compose --profile dashboard logs -f --tail=100
        ;;
    restart)
        docker compose --profile dashboard restart
        ;;
    *)
        usage
        exit 1
        ;;
esac