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

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
COMPOSE_FILE="$SCRIPT_DIR/compose.yaml"
SERVICE_NAME="jdescoping-host"

show_help() {
  cat <<USAGE
Usage: $(basename "$0") [command] [options]

Commands:
  deploy      Build image (default) and deploy container
  start       Start existing container
  stop        Stop running container
  restart     Redeploy container (build by default)
  rebuild     Force rebuild image and recreate container
  logs        Stream container logs
  status      Show container status
  destroy     Remove container; add --volumes to remove volumes
  help        Show this help

Options:
  --no-build  Skip image build for deploy/restart
  --volumes   With destroy, also remove named volumes
  -h, --help  Show this help
USAGE
}

ensure_compose() {
  if ! command -v docker >/dev/null 2>&1; then
    echo "docker is not installed or not in PATH" >&2
    exit 1
  fi

  if ! docker compose version >/dev/null 2>&1; then
    echo "docker compose is not available" >&2
    exit 1
  fi
}

compose() {
  docker compose -f "$COMPOSE_FILE" "$@"
}

command="deploy"
no_build="false"
remove_volumes="false"

if [[ $# -gt 0 ]]; then
  command="$1"
  shift
fi

while [[ $# -gt 0 ]]; do
  case "$1" in
    --no-build)
      no_build="true"
      ;;
    --volumes)
      remove_volumes="true"
      ;;
    -h|--help)
      show_help
      exit 0
      ;;
    *)
      echo "Unknown option: $1" >&2
      show_help
      exit 1
      ;;
  esac
  shift
done

ensure_compose

case "$command" in
  deploy)
    if [[ "$no_build" == "true" ]]; then
      compose up -d --force-recreate --no-build "$SERVICE_NAME"
    else
      compose up -d --build --force-recreate "$SERVICE_NAME"
    fi
    ;;

  start)
    compose start "$SERVICE_NAME"
    ;;

  stop)
    compose stop "$SERVICE_NAME"
    ;;

  restart)
    if [[ "$no_build" == "true" ]]; then
      compose up -d --force-recreate --no-build "$SERVICE_NAME"
    else
      compose up -d --build --force-recreate "$SERVICE_NAME"
    fi
    ;;

  rebuild)
    compose build --no-cache "$SERVICE_NAME"
    compose up -d --force-recreate --no-build "$SERVICE_NAME"
    ;;

  logs)
    compose logs -f "$SERVICE_NAME"
    ;;

  status)
    compose ps "$SERVICE_NAME"
    ;;

  destroy)
    if [[ "$remove_volumes" == "true" ]]; then
      compose down --volumes --remove-orphans
    else
      compose down --remove-orphans
    fi
    ;;

  help)
    show_help
    ;;

  *)
    echo "Unknown command: $command" >&2
    show_help
    exit 1
    ;;
esac