#!/bin/bash -e

# Build and package Docker image of Memgraph.

function print_help () {
    echo "Usage: $0 [--latest] MEMGRAPH_PACKAGE.deb"
    echo "Optional arguments:"
    echo -e "\t-h|--help\t\tPrint help."
    echo -e "\t--latest\t\tTag image as latest version."
}

working_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

latest_image=""
tag_latest=""
if [[ $# -eq 2 && "$1" == "--latest" ]]; then
  latest_image="memgraph:latest"
  tag_latest="-t memgraph:latest"
  shift
elif [[ $# -ne 1 || "$1" == "-h" || "$1" == "--help" ]]; then
  print_help
  exit 1
fi

deb_path="$1"
if [[ ! -f "$deb_path" ]]; then
  echo "File '$deb_path' does not exist!"
  exit 1
fi

# Copy the .deb to working directory.
cp "$deb_path" "${working_dir}/"
cd ${working_dir}

# Extract version and offering from deb name.
deb_name=`echo $(basename "$deb_path") | sed 's/.deb$//'`
version=`echo ${deb_name} | cut -d '_' -f 2 | rev | cut -d '-' -f 2- | rev | tr '+~' '__'`
dockerfile_path="${working_dir}/memgraph.dockerfile"
image_name="memgraph:${version}"
package_name="memgraph-${version}-docker.tar.gz"

# Build docker image.
docker build -t ${image_name} ${tag_latest} -f ${dockerfile_path} --build-arg deb_release=${deb_name}.deb .
docker save ${image_name} ${latest_image} > ${package_name}
rm "${deb_name}.deb"
echo "Built Docker image at '${working_dir}/${package_name}'"