name: Deploy site

on:
  workflow_run:
    workflows: [Check for broken links]
    types: [completed]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  deploy:
    # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#running-a-workflow-based-on-the-conclusion-of-another-workflow
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}
    # available images: https://github.com/actions/runner-images#available-images
    runs-on: ubuntu-latest
    steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v4
      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: "3.3"
          bundler-cache: true
      - name: Update _config.yml ⚙️
        uses: fjogeleit/yaml-update-action@main
        with:
          commitChange: false
          valueFile: "_config.yml"
          propertyPath: "giscus.repo"
          value: ${{ github.repository }}
      - name: Install and Build 🔧
        run: |
          pip3 install --upgrade jupyter
          npm install -g mermaid.cli
          export JEKYLL_ENV=production
          bundle exec jekyll build --lsi
      - name: Purge unused CSS 🧹
        run: |
          npm install -g purgecss
          purgecss -c purgecss.config.js
      - name: Deploy 🚀
        if: github.event_name != 'pull_request'
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          folder: _site