name: Deploy Storybook

on:
  workflow_dispatch:
  # push:
  #   branches:
  #     - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions: {}

jobs:
  detect-changes:
    # Only run in grafana/grafana
    if: github.repository == 'grafana/grafana'
    name: Detect whether code changed
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      changed-frontend-packages: ${{ steps.detect-changes.outputs.frontend-packages }}
    steps:
      - uses: actions/checkout@v5
        with:
          persist-credentials: true # required to get more history in the changed-files action
          fetch-depth: 2
      - name: Detect changes
        id: detect-changes
        uses: ./.github/actions/change-detection
        with:
          self: .github/workflows/deploy-storybook.yml
  deploy-storybook:
    name: Deploy Storybook
    runs-on: ubuntu-latest
    needs: detect-changes
    # Only run in grafana/grafana
    if: github.repository == 'grafana/grafana' && needs.detect-changes.outputs.changed-frontend-packages == 'true'
    permissions:
      contents: read
      id-token: write

    env:
      BUCKET_NAME: grafana-storybook

    steps:
      - name: Checkout code
        uses: actions/checkout@v5
        with:
          persist-credentials: false

      - name: Setup Node.js
        uses: ./.github/actions/setup-node

      - name: Install dependencies
        run: yarn install --immutable

      - name: Build storybook
        run: yarn storybook:build

      # Create the GCS folder name
      # Right now, this just returns "canary"
      # But we'll expand this to work for "latest" as well in the future
      - name: Create deploy name
        id: create-deploy-name
        run: |
          echo "deploy-name=canary" >> "$GITHUB_OUTPUT"

      - name: Upload Storybook
        uses: grafana/shared-workflows/actions/push-to-gcs@main
        with:
          environment: prod
          bucket: ${{ env.BUCKET_NAME }}
          bucket_path: ${{ steps.create-deploy-name.outputs.deploy-name }}
          path: packages/grafana-ui/dist/storybook
          service_account: github-gf-storybook-deploy@grafanalabs-workload-identity.iam.gserviceaccount.com
          parent: false