name: "Docs check"
# https://github.com/marketplace/actions/sphinx-build

# see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
on:  # Trigger the workflow on push or pull request,  but only for the master branch
  push: {}
  pull_request:
    branches: [master]

jobs:

  test-docs:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@master
      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      # Note: This uses an internal pip API and may not always work
      # https://github.com/actions/cache/blob/master/examples.md#multiple-oss-in-a-workflow
      - name: Cache pip
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: Install dependencies
        run: |
          sudo apt-get update && sudo apt-get install -y cmake pandoc
          pip --version
          pip install -r requirements.txt
          pip install -r docs/requirements.txt
          pip list
        shell: bash

      - name: Test Documentation
        run: |
          # First run the same pipeline as Read-The-Docs
          make doctest
        working-directory: ./docs

  make-docs:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@master
      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      # Note: This uses an internal pip API and may not always work
      # https://github.com/actions/cache/blob/master/examples.md#multiple-oss-in-a-workflow
      - name: Cache pip
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y cmake pandoc latexmk
          sudo apt-get install -y texlive-latex-extra dvipng texlive-pictures
          pip --version
          pip install -r requirements.txt
          pip install -r docs/requirements.txt
          pip list
        shell: bash

      - name: Make Documentation
        run: |
          make clean
          make html --debug --jobs 2 SPHINXOPTS="-W"
          make latexpdf
        working-directory: ./docs

      - name: Upload built docs
        uses: actions/upload-artifact@v2
        with:
          name: docs-results-${{ runner.os }}-${{ matrix.python-version }}
          path: docs/build/html/
        if: success()