name: Docs

on:
    push:
        branches: [main]
    release:
        types: [released]
    pull_request:
        types: [opened, synchronize]

jobs:
    docs:
        runs-on: ubuntu-latest

        steps:
        - uses: actions/checkout@v2

        - name: Setup Python
          uses: actions/setup-python@v2
          with:
              python-version: 3.8

        - name: Install Dependencies
          run: |
            python -m pip install --upgrade pip
            pip install .[doc]

        - name: Build HTML artifact
          run: python build_docs.py

        - name: Upload HTML artifact
          uses: actions/upload-artifact@v1
          with:
              name: DocumentationHTML
              path: docs/_build/eip712

        - name: Commit and publish documentation changes to gh-pages branch
          run: |
              if [[ "${GITHUB_EVENT_NAME}" =~ "pull_request" ]]; then
                echo "skipping 'git commit' step for PR"
              else
                git clone https://github.com/${GITHUB_REPOSITORY} --branch gh-pages --single-branch gh-pages
                cp -r docs/_build/eip712/* gh-pages/
                cd gh-pages
                touch .nojekyll
                git config --local user.email "action@github.com"
                git config --local user.name "GitHub Action"
                git add .
                git commit -m "Update documentation" -a || true
              fi
        - name: Push changes
          uses: ad-m/github-push-action@master
          if: ${{ github.event_name != 'pull_request' }}
          with:
              branch: gh-pages
              directory: gh-pages
              github_token: ${{ secrets.GITHUB_TOKEN }}