name: Release Helm Chart

on:
  push:
    branches: [main]
    paths:
      - 'charts/**'

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout groombook
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Checkout groombook.github.io
        uses: actions/checkout@v4
        with:
          repository: groombook/groombook.github.io
          path: gh-pages
          token: ${{ secrets.CHART_REPO_TOKEN }}

      - name: Install Helm
        uses: azure/setup-helm@v4

      - name: Update Helm dependencies
        run: helm dependency update charts/groombook

      - name: Package chart
        run: |
          mkdir -p gh-pages/charts
          helm package charts/groombook -d gh-pages/charts

      - name: Update repo index
        run: |
          if [ -f gh-pages/charts/index.yaml ]; then
            helm repo index gh-pages/charts --merge gh-pages/charts/index.yaml --url https://groombook.github.io/charts
          else
            helm repo index gh-pages/charts --url https://groombook.github.io/charts
          fi

      - name: Push to groombook.github.io
        run: |
          cd gh-pages
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add charts/
          git diff --staged --quiet && echo 'No chart changes' && exit 0
          git commit -m "Update Helm chart repository"
          git push