#!/bin/bash

#
# Copyright (C) Wendepunkt Medical Innovations, Inc - All Rights Reserved.
# Unauthorized copying of this file, via any medium is strictly prohibited.
# Proprietary and confidential
#
# For information: dev@signalytic.ca
#

# basic path info
LOCATION="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
PROJECT_ROOT="$(realpath $LOCATION)"
PACKAGE_NAME="streamline-emr"
OUTPUT_DIR="$PROJECT_ROOT/build-packages"

# work from the project root
pushd $PROJECT_ROOT > /dev/null

# Exit on error:
set -e
trap 'echo "Error: Last command failed with exit code $?."' ERR

# generate version name
# use ci tag name if available (e.g. "v1.2")
if [ $CI_COMMIT_TAG ]; then
  VERSION_NAME="$CI_COMMIT_TAG"

# otherwise if ci, use BRANCH-COMMIT
# Note: commit count is harder to get to from CI - can't reproduce the git
#       describe functionality as easily
elif [ $CI_COMMIT_BRANCH ]; then
  VERSION_NAME="$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA"

# if not ci, try to use git
elif command -v git &> /dev/null; then
  VERSION_NAME=$(git describe --always --tags --dirty)

# fallback
else
  VERSION_NAME="unknown"
fi

OUTPUT_NAME="$PACKAGE_NAME-$VERSION_NAME-$(arch)"
OUTPUT_FILE="$OUTPUT_NAME.tar.bz2"
OUTPUT_PATH="$OUTPUT_DIR/$OUTPUT_FILE"

# create a new temp directory to stage files
for i in {1..9999};do
  STAGING_DIR="tmp-staging-$i"
  if [ ! -d $STAGING_DIR ]; then
    break
  fi
done
if [ -d $STAGING_DIR ]; then
  echo "Failed to generate temp staging dir"
  exit 1
fi

# add files
mkdir ${STAGING_DIR}
cp ${PROJECT_ROOT}/install.sh ${STAGING_DIR}/
cp -a ${PROJECT_ROOT}/root ${STAGING_DIR}/

# add images
IMAGES_DIR=${STAGING_DIR}/images
mkdir -p ${IMAGES_DIR}
i=0
for image in $(find root/ -name docker-compose.yml | xargs grep 'image:.*' | awk '{print $2}');do
  i=$((i+1))
  name="image${i}.img"
  echo "addding '$name' -> '$image'"
  docker pull $image
  docker save -o ${IMAGES_DIR}/$name $image
done

# setup output directory and cleanup old files if necessary
mkdir -p $OUTPUT_DIR
rm -rf $OUTPUT_PATH

pushd $STAGING_DIR  > /dev/null
tar -cjf $OUTPUT_PATH *
popd > /dev/null

# cleanup staging files
rm -r $STAGING_DIR

echo "output: $OUTPUT_PATH"

popd > /dev/null

exit 0