#!/usr/bin/env bash

cmd=$1
chart=$2
env=$3
manifests=${4:-manifests}
outdir=${5:-_manifests}

build() {
  if [ ! -d "$manifests" ]; then
    echo "nothing to do here..." 1>&2
    exit 0
  fi

  mkdir -p $outdir/templates

  echo "generating $outdir/Chart.yaml" 1>&2

  cat <<EOF > $outdir/Chart.yaml
apiVersion: v1
appVersion: "1.0"
description: A Helm chart for Kubernetes
name: $chart
version: 0.1.0
EOF

cp -r $manifests/* $outdir/templates
}

clean() {
  echo "cleaning $outdir" 1>&2
  rm -rf $outdir
}

case "$cmd" in
  "build" ) build ;;
  "clean" ) clean ;;
  * ) echo "unsupported command: $cmd" 1>&2; exit 1 ;;
esac