name: render-manifests

on:
  push:
    branches:
      - main
    paths:
      - "clusters/**"
      - ! "clusters/*/archive"

jobs:
  render-manifests-helm:
    runs-on: ubuntu-js
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          token: ${{ secrets.GITEA_TOKEN }}
          version: latest

      - name: Render Helm Manifests
        env:
          CLUSTERS: cl01tl
        run: |
          for cluster in $CLUSTERS; do
            mkdir clusters/$CLUSTER/manifests

            for chart_path in clusters/$CLUSTER/helm/; do
              chart_name=$(basename "$chart")

              echo "--- Rendering chart: $chart_name ---"

              if [ -f "$chart_path/Chart.yaml" ]; then
                  OUTPUT_FILE="clusters/$CLUSTER/manifests/$chart_name.yaml"

                  helm template "$chart_name" "$chart" --namespace "$chart_name" > "$OUTPUT_FILE"

                  echo "Manifests for $chart_name rendered to $OUTPUT_FILE"
              else
                  echo "Directory $chart_path does not contain a Chart.yaml. Skipping ..."
              fi
            done
          done

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.GITEA_TOKEN }}
          commit-message: "chore: Update manifests after chart change"
          branch: auto/update-manifests
          base: manifests
          title: "Manifest Update: App Changes"
          body: |
            This PR contains the newly rendered Kubernetes manifests.

            * Triggered by workflow run ${{ github.run_id }}
            * Review the `files changed` tab for the full YAML diff.
          add-paths: "clusters/*/rendered-manifests/"

      - name: ntfy Success
        uses: niniyas/ntfy-action@master
        if: success()
        with:
          url: "${{ secrets.NTFY_URL }}"
          topic: "${{ secrets.NTFY_TOPIC }}"
          title: "Manifest Render Success - Infrastructure"
          priority: 3
          headers: '{"Authorization": "Bearer ${{ secrets.NTFY_CRED }}"}'
          tags: action,successfully,completed
          details: "Manifest rendering for Infrastructure has succeeded"
          icon: "https://cdn.jsdelivr.net/gh/selfhst/icons/png/gitea.png"

      - name: ntfy Failed
        uses: niniyas/ntfy-action@master
        if: failure()
        with:
          url: "${{ secrets.NTFY_URL }}"
          topic: "${{ secrets.NTFY_TOPIC }}"
          title: "Manifest Render Failure - Infrastructure"
          priority: 4
          headers: '{"Authorization": "Bearer ${{ secrets.NTFY_CRED }}"}'
          tags: action,failed
          details: "Manifest rendering for Infrastructure has failed!"
          icon: "https://cdn.jsdelivr.net/gh/selfhst/icons/png/gitea.png"
          actions: '[{"action": "view", "label": "Open Gitea", "url": "https://gitea.alexlebens.dev/alexlebens/infrastructure/actions?workflow=render-manifests.yaml", "clear": true}]'
          image: true