name: website

on:
  push:
    branches:
      - 'main'
      - 'release-**'
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - ready_for_review
    branches:
      - 'main'
      - 'release-**'

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  changes:
    outputs:
      should-run-link-check: ${{ steps.changes.outputs.src == 'true' }}
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3
        id: changes
        with:
          filters: |
            src:
              - '**.js'
              - 'package-lock.json'
              - 'package.json'
              - '.github/workflows/website.yml'

  # Check that the website builds and there's no missing links.
  # This job builds the website, starts a server to serve it, and then uses
  # muffet (https://github.com/raviqqe/muffet) to perform the link check.
  link-check:
    needs: [changes]
    if: github.event.pull_request.draft == false && needs.changes.outputs.should-run-link-check == 'true'
    name: Website Link Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4

      - name: markdown-lint
        uses: DavidAnson/markdownlint-cli2-action@b4c9feab76d8025d1e83c653fa3990936df0e6c8 # v16
        with:
          config: .markdownlint.yaml
          globs: 'runatlantis.io/**/*.md'

      - name: setup npm
        uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: run http-server
        env:
          # renovate: datasource=github-releases depName=raviqqe/muffet
          MUFFET_VERSION: 2.10.3
        run: |
          # install raviqqe/muffet to check for broken links.
          curl -Ls https://github.com/raviqqe/muffet/releases/download/v${MUFFET_VERSION}/muffet_linux_amd64.tar.gz | tar -xz

          # build site
          npm install
          npm run website:build

          # start http-server for integration testing
          npx http-server runatlantis.io/.vitepress/dist &

      - name: Run Playwright E2E tests
        run: |
          npx playwright install --with-deps
          npm run e2e

      - name: wait until server listened
        run: curl --retry-delay 1 --retry 30 --retry-all-error http://localhost:8080

      # medium.com => was being rate limited: HTTP 429
      # twitter.com => too many redirections
      # www.flaticon.com => 403 error
      - run: |
          ./muffet \
            -e 'https://medium.com/runatlantis' \
            -e 'https://dev.to/*' \
            -e 'https://twitter.com/*' \
            -e 'https://www.flaticon.com/*' \
            -e 'https://github\.com/runatlantis/atlantis/edit/main/.*' \
            -e 'https://github.com/runatlantis/helm-charts#customization' \
            -e 'https://github.com/sethvargo/atlantis-on-gke/blob/master/terraform/tls.tf#L64-L84' \
            -e 'https://confluence.atlassian.com/*' \
            --header 'Accept-Encoding:deflate, gzip' \
            --buffer-size 8192 \
            http://localhost:8080/

  skip-link-check:
    needs: [changes]
    if: needs.changes.outputs.should-run-link-check == 'false'
    name: Website Link Check
    runs-on: ubuntu-latest
    steps:
      - run: 'echo "No build required"'