#!/usr/bin/env bash

set -e

if [[ "$OSTYPE" == "darwin"* ]]; then

    if hash docker 2>/dev/null; then
        CONTAINER_RUNTIME=docker
    else

      echo "Error! We could not find docker on your Mac!"
      echo "Please install Docker for Mac:"
      echo "https://docs.docker.com/docker-for-mac/install/"

      exit 1

    fi

    if hash docker-compose 2>/dev/null; then
        CONTAINER_COMPOSE=docker-compose
    else

      echo "Error! We could not find a docker-compose on your Mac!"
      echo "Please install Docker for Mac:"
      echo "https://docs.docker.com/docker-for-mac/install/"

      exit 1

    fi

elif [[ "$OSTYPE" == "linux-gnu"* ]]; then

    if hash podman 2>/dev/null; then
        CONTAINER_RUNTIME=podman
    elif hash docker 2>/dev/null; then
        CONTAINER_RUNTIME=docker
    else

      echo "Error! We could not find a container runtime on your Linux install!"
      echo "Please install Podman v1.9.3 or greater:"
      echo "https://podman.io/getting-started/installation.html"

      exit 1

    fi

    if hash podman-compose 2>/dev/null; then
        CONTAINER_COMPOSE=podman-compose
    elif hash docker 2>/dev/null; then
        CONTAINER_COMPOSE=docker-compose
    else

      echo "Error! We could not find ${CONTAINER_COMPOSE} on your Linux install!"
      echo "Please install Podman Compose:"
      echo "https://github.com/containers/podman-compose#installation"

      exit 1

    fi

else

  echo "Oof! Sorry! This OS is unsupported! :("
  echo "If you're on Windows OS and have Docker or Podman for Windows installed:"
  echo "Docker: https://docs.docker.com/docker-for-windows/install/"
  echo "Podman: https://podman.io/getting-started/installation"
  echo
  echo "Execute the following:"
  echo "docker-compose build"
  echo "docker-compose up"

  exit 1

fi

echo "Starting the Forem container stack..."

if [ "${CONTAINER_RUNTIME}" = "docker" ]; then

  if [[ ! -d vendor/bundle || ! "$(ls -A vendor/bundle)" ]]; then
    echo "The vendor/bundle directory is empty or does not exist."
    echo "This will cause bundle install to run which takes a long time with ${CONTAINER_RUNTIME}."
    echo "Depending on your hardware specs, the initial setup can take"
    echo "30 to 45 minutes. Please stand by..."
    sleep 10
  fi

  docker-compose up

elif [ "${CONTAINER_RUNTIME}" = "podman" ]; then

  if podman pod exists forem; then
      echo "The forem pod is already setup. Please run:"
      echo ""
      echo "podman-compose -p forem -f container-compose.yml down"
      echo ""
      echo "to bring down the Forem container stack before running container-setup."
  else
      podman-compose -p forem -f container-compose.yml up
  fi

fi