name: lint-and-test-charts

on:
  pull_request:
    types: [opened]

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

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: latest

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"
          check-latest: true

      - name: Set up Chart Testing
        uses: helm/chart-testing-action@v2.7.0

      - name: Run Chart Testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch ${{ gitea.event.repository.default_branch }})
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> $GITHUB_OUTPUT
          fi

      - name: Run Chart Testing (lint)
        if: steps.list-changed.outputs.changed == 'true'
        run: ct lint --validate-maintainers=false --target-branch ${{ gitea.event.repository.default_branch }}