#/!bin/bash
## FUNCTIONS
function getGitVersion(){
  version=$(git describe)
  count=$(echo ${version%%-*} | grep -o "\." | wc -l)
  if (( $count > 1 )); then
    version=${version%%-*}
  elif (( $count == 0 ));then
    echo -e "Error: Git version \"${version%%-*}\" not respecting Safemobile standard.\n Must be like 4.xx or 4.xx.xx"
    version="0.0.0"
  else
    if [[ "$1" == "dev" ]];then
      cleanprefix=${version#*-} # remove everything before `-` including `-`
      cleansuffix=${cleanprefix%-*} # remove everything after `-` including `-`
      version="${version%%-*}.${cleansuffix}"
    else
      version="${version%%-*}.0" # one `%` remove everything after last `-`, two `%%` remove everything after all `-`
    fi
  fi
}

function addVersionPm2(){
  file_pkg="package.json"
  key="  \"version\": \""

  if [ -f "$file_pkg" ] && [ ! -z "$version" ]; then
    versionApp="  \"version\": \"$version\","
    sed -i "s|^.*$key.*|${versionApp//\//\\/}|g" $file_pkg
    text=$(cat $file_pkg | grep -c "$version")
    if [ $text -eq 0 ]; then
      echo "Version couldn't be set"
    else
      echo "Version $version successfully applied to App"
    fi
  fi
}

## PREBUILD PROCESS
# check dist dir to be present and empty
if [ ! -d "dist" ]; then
  ## MAKE DIR
  mkdir "dist"
  echo "Directory dist created."
else
  ## CLEANUP
  rm -fr dist/*
fi

if [ -d "node_modules" ]; then
  rm -fr node_modules
fi

# Install dependencies
#npm install

## PROJECT NEEDS
echo "Building app... from $(git rev-parse --abbrev-ref HEAD)"
#npm run-script build
cp -r {.env,app.js,package.json,server,public,doc,Dockerfile} dist/
#cp -r ./* dist/

# Generate Git log
dateString=$(date +"%Y%m%d-%H%M%S")
git log --pretty=format:"%ad%x09%an%x09%s" --no-merges -20 > "dist/git-$dateString.log"

# Get Git version control
getGitVersion $1

# Add version control for pm2
cd dist
addVersionPm2

## POST BUILD

cd -