name: "Charts: Update README"

on:
  workflow_call:
    inputs:
      modifiedCharts:
        required: true
        type: string
      isRenovatePR:
        required: true
        type: string
    outputs:
      commitHash:
        description: "The most recent commit hash at the end of this workflow"
        value: ${{ jobs.generate-changelog.outputs.commitHash }}

jobs:
  validate-changelog:
    name: Validate changelog
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check changelog annotations
        if: inputs.isRenovatePR != 'true'
        run: |
          UP_CHARTS_DIR="charts"
          IN_CHARTS=(${{ inputs.modifiedCharts }})
          CHARTS=($(python -c 'import sys;a=sys.argv[1].translate(str.maketrans("","","[]")).split(",");print(" ".join(a))' $IN_CHARTS))
          for i in "${CHARTS[@]}"
          do
              IFS='/' read -r -a chart_parts <<< "$i"
              chart_path="$UP_CHARTS_DIR/${chart_parts[0]}/${chart_parts[1]}"
              ./.github/scripts/check-releasenotes.sh "$chart_path"
              echo ""
          done
  generate-changelog:
    name: Generate changelog annotations
    runs-on: ubuntu-latest
    needs:
      - validate-changelog
    outputs:
      commitHash: ${{ steps.save-commit-hash.outputs.commit_hash }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.10"

      - name: Install helm-docs
        run: |
          cd /tmp
          wget https://github.com/norwoodj/helm-docs/releases/download/v1.11.0/helm-docs_1.11.0_Linux_x86_64.tar.gz
          tar -xvf helm-docs_1.11.0_Linux_x86_64.tar.gz
          sudo mv helm-docs /usr/local/sbin
          sudo chmod +x /usr/local/sbin/helm-docs

      - name: Annotate Charts.yaml for Renovate PR's
        if: inputs.isRenovatePR == 'true'
        env:
          CHECK_BRANCH: "origin/${{ github.event.repository.default_branch }}"
        run: |
          pip install -r ./.github/scripts/requirements.txt
          IN_CHARTS=(${{ inputs.modifiedCharts }})
          CHARTS=($(python -c 'import sys;a=sys.argv[1].translate(str.maketrans("","","[]")).split(",");print(" ".join(a))' $IN_CHARTS))
          for i in "${CHARTS[@]}"
          do
              IFS='/' read -r -a chart_parts <<< "$i"
              ./.github/scripts/renovate-releasenotes.py --debug --check-branch "$CHECK_BRANCH" "${chart_parts[0]}/${chart_parts[1]}"
              echo ""
          done
      - name: Generate Helm docs for Renovate PR's
        if: inputs.isRenovatePR == 'true'
        env:
          CHECK_BRANCH: "origin/${{ github.event.repository.default_branch }}"
        run: |
          ./.github/scripts/gen-helm-docs.sh
      - name: Create commit
        id: create-commit
        if: inputs.isRenovatePR == 'true'
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          file_pattern: charts/
          commit_message: "chore: Auto-update chart metadata"
          commit_user_name: ${{ github.actor }}
          commit_user_email: ${{ github.actor }}@users.noreply.github.com

      - name: Save commit hash
        id: save-commit-hash
        run: |
          if [ "${{ steps.create-commit.outputs.changes_detected || 'unknown' }}" == "true" ]; then
            echo '::set-output name=commit_hash::${{ steps.create-commit.outputs.commit_hash }}'
          else
            echo "::set-output name=commit_hash::${GITHUB_SHA}"
          fi