name: Swagger generated code

on:
  push:
    branches:
      - main
      - release-*
  pull_request:

permissions: {}

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

jobs:
  detect-changes:
    # Run on `grafana/grafana` main branch, or on pull requests to prevent double-running on mirrors
    if: (github.event_name == 'pull_request' || (github.event_name == 'push' && github.repository == 'grafana/grafana'))
    name: Detect whether code changed
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      changed: ${{ steps.detect-changes.outputs.backend }}
    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/swagger-gen.yml

  verify:
    name: Verify committed API specs match
    runs-on: ubuntu-latest
    needs: detect-changes
    if: github.repository == 'grafana/grafana' && needs.detect-changes.outputs.changed == 'true'
    permissions:
      contents: read # clone the repository
      id-token: write # required for Vault access
    steps:
      # Set up repository clone
      - name: Checkout code
        uses: actions/checkout@v5
        with:
          persist-credentials: false
      - name: Setup Go
        uses: actions/setup-go@v5.5.0
        with:
          go-version-file: go.mod
      - name: Setup Enterprise
        if: ${{ github.event.pull_request.head.repo.fork == false }}
        uses: ./.github/actions/setup-enterprise
        with:
          github-app-name: 'grafana-ci-bot'

      - name: Generate Swagger specs
        run: make swagger-clean && make openapi3-gen
      - name: Check for changes
        run: |
          git add -f public/api-merged.json public/openapi3.json
          if [ -z "$(git diff --name-only --cached)" ]; then
            echo "No changes detected in API specs."
          else
            echo "Changes detected in API specs. Please review the changes."
            echo "You can regenerate them locally with: make swagger-clean && make openapi3-gen"
            exit 1
          fi