#!/usr/bin/env bash
# taken from github.com/gardener and modified slightly to acommodate changed image-repository for this repository

set -e

repo_root_dir="$1"
repo_name="${2:-github.com/gardener/gardener}"
descriptor_out_file="${COMPONENT_DESCRIPTOR_PATH}"

echo "enriching creating component descriptor from ${BASE_DEFINITION_PATH}"

if [[ -f "$repo_root_dir/charts/images.yaml" ]]; then
  images="$(yaml2json < "$repo_root_dir/charts/images.yaml")"
  eval "$(jq -r ".images |
    map(select(.sourceRepository != \"$repo_name\") |
    if (.name == \"hyperkube\" or .name == \"kube-apiserver\" or .name == \"kube-controller-manager\" or .name == \"kube-scheduler\" or .name == \"kube-proxy\" or .repository == \"k8s.gcr.io/hyperkube\") then
      \"--generic-dependencies '{\\\"name\\\": \\\"\" + .name + \"\\\", \\\"version\\\": \\\"\" + .tag + \"\\\"}'\"
    elif (.repository | startswith(\"eu.gcr.io/gardener-project/cert-controller-manager\")) then
      \"--component-dependencies '{\\\"name\\\": \\\"\" + .sourceRepository + \"\\\", \\\"version\\\": \\\"\" + .tag + \"\\\"}'\"
    else
      \"--container-image-dependencies '{\\\"name\\\": \\\"\" + .name + \"\\\", \\\"image_reference\\\": \\\"\" + .repository + \":\" + .tag + \"\\\", \\\"version\\\": \\\"\" + .tag + \"\\\"}'\"
    end) |
    \"${ADD_DEPENDENCIES_CMD} \\\\\n\" +
    join(\" \\\\\n\")" <<< "$images")"
fi

if [[ -d "$repo_root_dir/charts/" ]]; then
  for image_tpl_path in "$repo_root_dir/charts/"*"/templates/_images.tpl"; do
    if [[ ! -f "$image_tpl_path" ]]; then
      continue
    fi

    outputFile=$(sed 's/{{-//' $image_tpl_path | sed 's/}}//' | sed 's/define//' | sed 's/-//' | sed 's/end//' | sed 's/"//' | sed 's/"//' |sed 's/image.//' |  sed -e 's/^[ \t]*//' | awk -v RS= '{for (i=1; i<=NF; i++) printf "%s%s", $i, (i==NF?"\n":" ")}')
    echo "enriching creating component descriptor from ${image_tpl_path}"

    while read p; do
      line="$(echo -e "$p")"
      IFS=' ' read -r -a array <<< "$line"
      IFS=': ' read -r -a imageAndTag <<< ${array[1]}

      NAME=${array[0]}
      REPOSITORY=${imageAndTag[0]}
      TAG=${imageAndTag[1]}

      gardener="eu.gcr.io/gardener-project/gardener"
      if [[ "$NAME" == "hyperkube" ]]; then
        ${ADD_DEPENDENCIES_CMD} --generic-dependencies "{\"name\": \"$NAME\", \"version\": \"$TAG\"}"
      elif [[ $REPOSITORY =~ "eu.gcr.io/gardener-project/gardener"* ]]; then
        ${ADD_DEPENDENCIES_CMD} --generic-dependencies "{\"name\": \"$NAME\", \"version\": \"$TAG\"}"
      else
        ${ADD_DEPENDENCIES_CMD} --container-image-dependencies "{\"name\": \"${NAME}\", \"image_reference\": \"${REPOSITORY}:${TAG}\", \"version\": \"$TAG\"}"
      fi
    done < <(echo "$outputFile")
  done
fi

cp "${BASE_DEFINITION_PATH}" "${descriptor_out_file}"