#!/usr/bin/env bash
set -e

get_script_dir () {
     SOURCE="${BASH_SOURCE[0]}"

     while [ -h "$SOURCE" ]; do
          DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
          SOURCE="$( readlink "$SOURCE" )"
          [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
     done
     cd -P "$( dirname "$SOURCE" )"
     pwd
}

WORKSPACE=$(get_script_dir)

if pgrep -lf sshuttle > /dev/null ; then
  echo "sshuttle detected. Please close this program as it messes with networking and prevents builds inside Docker to work"
  exit 1
fi

if groups $USER | grep &>/dev/null '\bdocker\b'; then
  CAPTAIN="captain"
else
  CAPTAIN="sudo captain"
fi

# Build
echo "Build the project..."
./build.sh
echo "[ok] Done"

count=$(git status --porcelain | wc -l)
if test $count -gt 0; then
  git status
  echo "Not all files have been committed in Git. Release aborted"
  exit 1
fi

select_part() {
  local choice=$1
  case "$choice" in
      "Patch release")
          bumpversion patch
          ;;
      "Minor release")
          bumpversion minor
          ;;
      "Major release")
          bumpversion major
          ;;
      *)
          read -p "Version > " version
          bumpversion --new-version=$version all
          ;;
  esac
}

git pull --tags
# Look for a version tag in Git. If not found, ask the user to provide one
[ $(git tag --points-at HEAD | wc -l) == 1 ] || (
  latest_version=$(git describe --abbrev=00 || \
    (bumpversion --dry-run --list patch | grep current_version | sed -r s,"^.*=",,) || echo '0.0.1')
  echo
  echo "Current commit has not been tagged with a version. Latest known version is $latest_version."
  echo
  echo 'What do you want to release?'
  PS3='Select the version increment> '
  options=("Patch release" "Minor release" "Major release" "Release with a custom version")
  select choice in "${options[@]}";
  do
    select_part "$choice"
    break
  done
  updated_version=$(bumpversion --dry-run --list patch | grep current_version | sed -r s,"^.*=",,)
  read -p "Release version $updated_version? [y/N] > " ok
  if [ "$ok" != "y" ]; then
    echo "Release aborted"
    exit 1
  fi
)

updated_version=$(bumpversion --dry-run --list patch | grep current_version | sed -r s,"^.*=",,)

# Build again to update the version
echo "Build the project for distribution..."
./build.sh
echo "[ok] Done"

git push
git push --tags

# Push on Docker Hub
#  WARNING: Requires captain 1.1.0 to push user tags
BUILD_DATE=$(date --iso-8601=seconds) \
  VCS_REF=$updated_version \
  VERSION=$updated_version \
  WORKSPACE=$WORKSPACE \
  $CAPTAIN push portal-backend --branch-tags=false --commit-tags=false --tag $updated_version

# Notify on slack
sed "s/USER/${USER^}/" $WORKSPACE/slack.json > $WORKSPACE/target/slack.json
sed -i.bak "s/VERSION/$updated_version/" $WORKSPACE/target/slack.json
curl -k -X POST --data-urlencode payload@$WORKSPACE/target/slack.json https://hbps1.chuv.ch/slack/dev-activity
rm -f $WORKSPACE/target/slack.json $WORKSPACE/target/slack.json.bak