name: Build and publish HTML documentation website

on:
  push:
    branches: [ 'docs-v**' ]
    paths: ['docs/**', '.github/**']

jobs:
  make-html:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2

    - name: Get release name and channel
      id: release-info
      shell: python
      run: |
        channel = "master"
        version = "${{ github.ref }}"
        assert version.startswith("refs/heads/docs-v0.5.")
        version = version[len("refs/heads/docs-v"):]

        print("::set-output name=channel::" + channel)
        print("::set-output name=version::" + version)
    
    - name: Cache pip
      uses: actions/cache@v2
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-sphinx-sphinx-tabs-sphinx-design-sphinx_copybutton-sphinx_panels-sphinx_rtd_theme
        restore-keys: |
          ${{ runner.os }}-pip-
          ${{ runner.os }}-

    - name: Install Python dependencies
      run: pip install sphinx sphinx-tabs sphinx-design sphinx_copybutton sphinx_panels sphinx_rtd_theme myst_parser
    
    - name: Build HTML docs
      run: |
        cd docs
        make html

    - name: Upload docs
      uses: ./.github/actions/upload-release
      with:
        release_type: docs
        version: ${{ steps.release-info.outputs.version }}
        src_dir: docs/_build/html
        do_access_key: ${{ secrets.DIGITALOCEAN_ACCESS_KEY }}
        do_secret_key: ${{ secrets.DIGITALOCEAN_SECRET_KEY }}
        odrive_api_key: ${{ secrets.ODRIVE_API_KEY }}
        variant: public

    - name: Add version to release channel
      uses: ./.github/actions/add-version-to-channel
      with:
        release_type: docs
        channel: ${{ steps.release-info.outputs.channel }}
        version: ${{ steps.release-info.outputs.version }}
        odrive_api_key: ${{ secrets.ODRIVE_API_KEY }}