deploy-site.yml

name: Deploy site to gh-pages
on:
  workflow_dispatch:

env:
  UMBRELLA_REPO: "validatedpatterns/helm-charts"
  ASSETS_BASE_URL: "https://github.com/validatedpatterns/helm-charts/releases/download/main/"

jobs:
  deploy:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout code
        uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Install Helm
        uses: azure/setup-helm@v5.0.0
        with:
          version: v3.19.5

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: 24

      - name: Build site
        run: |-
          set -e
          cd site
          npm ci
          npm run build
          cp -rv dist /tmp/site-dist

      - name: Download release assets and generate helm index
        env:
          GH_TOKEN: ${{ github.token }}
        run: |-
          set -e
          mkdir -p /tmp/all-charts
          ASSETS=$(gh api "repos/${UMBRELLA_REPO}/releases/latest" \
            --jq '.assets[].browser_download_url' 2>/dev/null || true)
          if [ -z "$ASSETS" ]; then
            echo "No release assets found."
            exit 1
          fi

          for url in $ASSETS; do
            filename=$(basename "$url")
            [[ "$filename" == *.tgz ]] || continue
            echo "Downloading $filename..."
            curl -sLo "/tmp/all-charts/$filename" "$url"
          done

          echo "Generating index.yaml..."
          helm repo index --url "${ASSETS_BASE_URL}" /tmp/all-charts
          cp /tmp/all-charts/index.yaml /tmp/index.yaml

      - name: Fix index.yaml timestamps
        env:
          GH_TOKEN: ${{ github.token }}
        run: |-
          set -e
          TIMESTAMPS=$(gh api "repos/${UMBRELLA_REPO}/releases/latest" \
            --jq '[.assets[] | select(.name | endswith(".tgz")) | {(.name): .created_at}] | add')

          for chart in $(yq -r '.entries | keys[]' /tmp/index.yaml); do
            for idx in $(yq -r ".entries[\"${chart}\"] | keys[]" /tmp/index.yaml); do
              version=$(yq -r ".entries[\"${chart}\"][${idx}].version" /tmp/index.yaml)
              tgz="${chart}-${version}.tgz"
              ts=$(echo "$TIMESTAMPS" | jq -r --arg k "$tgz" '.[$k] // empty')
              if [ -n "$ts" ]; then
                yq -i ".entries[\"${chart}\"][${idx}].created = \"${ts}\"" /tmp/index.yaml
              fi
            done
          done

          cat /tmp/index.yaml

      - name: Extract chart docs from latest versions
        run: |-
          set -e
          mkdir -p /tmp/extracted-docs

          declare -A LATEST_FILE
          for filepath in /tmp/all-charts/*.tgz; do
            filename=$(basename "$filepath")
            name=$(echo "$filename" | sed -E 's/-[0-9]+\.[0-9]+\.[0-9]+(-.*)?\.tgz$//')
            version=$(echo "$filename" | sed -E 's/.*-([0-9]+\.[0-9]+\.[0-9]+(-.*)?)\.tgz$/\1/')
            if [ -z "${LATEST_FILE[$name]+x}" ]; then
              LATEST_FILE[$name]="$filepath"
            else
              current_file=$(basename "${LATEST_FILE[$name]}")
              current_ver=$(echo "$current_file" | sed -E 's/.*-([0-9]+\.[0-9]+\.[0-9]+(-.*)?)\.tgz$/\1/')
              higher=$(printf '%s\n%s' "$current_ver" "$version" | sort -V | tail -1)
              if [ "$higher" = "$version" ]; then
                LATEST_FILE[$name]="$filepath"
              fi
            fi
          done

          echo "Extracting docs for ${#LATEST_FILE[@]} charts..."
          for name in $(echo "${!LATEST_FILE[@]}" | tr ' ' '\n' | sort); do
            filepath="${LATEST_FILE[$name]}"
            echo -n "  $name... "
            mkdir -p "/tmp/extracted-docs/charts/$name"
            tar xzf "$filepath" -C "/tmp/extracted-docs/charts/$name/" \
              --strip-components=1 "$name/README.md" 2>/dev/null || true
            tar xzf "$filepath" -C "/tmp/extracted-docs/charts/$name/" \
              --strip-components=1 "$name/values.yaml" 2>/dev/null || true
            if [ -f "/tmp/extracted-docs/charts/$name/README.md" ] || \
               [ -f "/tmp/extracted-docs/charts/$name/values.yaml" ]; then
              echo "OK"
            else
              echo "SKIP"
              rmdir "/tmp/extracted-docs/charts/$name" 2>/dev/null || true
            fi
          done

          rm -rf /tmp/all-charts

      - name: Deploy to gh-pages
        run: |-
          set -e
          git config user.name "${{ github.actor }}"
          git config user.email "${{ github.actor }}@users.noreply.github.com"
          git checkout gh-pages
          # Deploy built site
          cp -rv /tmp/site-dist/* .
          # SPA fallback for GitHub Pages
          cp -v index.html 404.html
          # Copy all extracted chart docs
          cp -rv /tmp/extracted-docs/* .
          # Copy helm repo index
          cp -v /tmp/index.yaml .
          git add assets/ charts/ favicon.svg icons.svg index.html 404.html index.yaml
          git commit -m "Rebuild github pages site"
          git push origin gh-pages