# Copyright The Helm Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: "Helm Chart Releaser"
description: "Host a Helm charts repo on GitHub Pages"
author: "The Helm authors"
branding:
  color: blue
  icon: anchor
inputs:
  version:
    description: "The chart-releaser version to use (default: v1.6.1)"
    required: false
    default: v1.6.1
  config:
    description: "The relative path to the chart-releaser config file"
    required: false
  charts_dir:
    description: The charts directory
    required: false
    default: charts
  install_dir:
    description: "Where to install the cr tool"
    required: false
  install_only:
    description: "Just install cr tool"
    required: false
  skip_packaging:
    description: "Skip the packaging option (do your custom packaging before running this action)"
    required: false
  skip_existing:
    description: "Skip package upload if release exists"
    required: false
  skip_upload:
    description: "Skip package upload"
    required: false
  mark_as_latest:
    description: Mark the created GitHub release as 'latest'
    required: false
    default: true
  packages_with_index:
    description: "Upload chart packages directly into publishing branch"
    required: false
    default: false
  pages_branch:
    description: "Name of the branch to be used to push the index and artifacts. (default to: gh-pages but it is not set in the action it is a default value for the chart-releaser binary)"
    required: false
outputs:
  changed_charts:
    description: "A comma-separated list of charts that were released on this run. Will be an empty string if no updates were detected, will be unset if `--skip_packaging` is used: in the latter case your custom packaging step is responsible for setting its own outputs if you need them."
    value: ${{ steps.release.outputs.changed_charts }}
  chart_version:
    description: "The version of the most recently generated charts; will be set even if no charts have been updated since the last run."
    value: ${{ steps.release.outputs.chart_version }}

runs:
  using: composite
  steps:
    - id: release
      run: |
        owner=$(cut -d '/' -f 1 <<< "$GITHUB_REPOSITORY")
        repo=$(cut -d '/' -f 2 <<< "$GITHUB_REPOSITORY")

        args=(--owner "$owner" --repo "$repo")
        args+=(--charts-dir "${{ inputs.charts_dir }}")

        if [[ -n "${{ inputs.version }}" ]]; then
            args+=(--version "${{ inputs.version }}")
        fi

        if [[ -n "${{ inputs.config }}" ]]; then
            args+=(--config "${{ inputs.config }}")
        fi

        if [[ -z "${{ inputs.install_dir }}" ]]; then
          install="$RUNNER_TOOL_CACHE/cr/${{ inputs.version }}/$(uname -m)"
          echo "$install" >> "$GITHUB_PATH"
          args+=(--install-dir "$install")
        else
          echo ${{ inputs.install_dir }} >> "$GITHUB_PATH"
          args+=(--install-dir "${{ inputs.install_dir }}")
        fi

        if [[ -n "${{ inputs.install_only }}" ]]; then
            args+=(--install-only "${{ inputs.install_only }}")
        fi

        if [[ -n "${{ inputs.skip_packaging }}" ]]; then
            args+=(--skip-packaging "${{ inputs.skip_packaging }}")
        fi

        if [[ -n "${{ inputs.skip_existing }}" ]]; then
            args+=(--skip-existing "${{ inputs.skip_existing }}")
        fi

        if [[ -n "${{ inputs.skip_upload }}" ]]; then
            args+=(--skip-upload "${{ inputs.skip_upload }}")
        fi

        if [[ -n "${{ inputs.mark_as_latest }}" ]]; then
            args+=(--mark-as-latest "${{ inputs.mark_as_latest }}")
        fi

        if [[ -n "${{ inputs.packages_with_index }}" ]]; then
            args+=(--packages-with-index "${{ inputs.packages_with_index }}")
        fi

        if [[ -n "${{ inputs.pages_branch }}" ]]; then
            args+=(--pages-branch "${{ inputs.pages_branch }}")
        fi

        "$GITHUB_ACTION_PATH/cr.sh" "${args[@]}"

        if [[ -f changed_charts.txt ]]; then
            cat changed_charts.txt >> "$GITHUB_OUTPUT"
        fi
        if [[ -f chart_version.txt ]]; then
            cat chart_version.txt >> "$GITHUB_OUTPUT"
        fi
        rm -f changed_charts.txt chart_version.txt
      shell: bash