name: Build docs
on:
  push:
    branches:
    - master
    - 'release/*'
env:
  EM_VERSION: 2.0.4
  EM_CACHE_FOLDER: 'emsdk-cache'
jobs:
  build-and-deploy:
    if: github.repository == 'lvgl/lvgl'
    runs-on: ubuntu-latest
    concurrency: docs-build-and-deploy
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          persist-credentials: false
          fetch-depth: 0
      - name: Setup Python
        uses: actions/setup-python@v1
        with:
          python-version: 3.7
      - name: Cache Python packages
        uses: actions/cache@v2
        with:
          # Cache the Python package environment, excluding pip and setuptools installed by setup-python
          path: |
            ~/.cache/pip
            ${{ env.pythonLocation }}/bin/*
            ${{ env.pythonLocation }}/include
            ${{ env.pythonLocation }}/lib/python*/site-packages/*
            !${{ env.pythonLocation }}/bin/pip*
            !${{ env.pythonLocation }}/lib/python*/site-packages/pip*
            !${{ env.pythonLocation }}/lib/python*/site-packages/setuptools*
          key: ${{ env.pythonLocation }}-${{ hashFiles('docs/requirements.txt') }}
      - name: Install Doxygen and Latex dependencies
        run: |
          sudo apt-get update
          sudo apt-get install doxygen texlive-xetex texlive-binaries texlive-lang-english latexmk fonts-freefont-otf
      - name: Install requirements
        run: |
          pip install -r docs/requirements.txt
      - name: Setup Emscripten cache
        id: cache-system-libraries
        uses: actions/cache@v2
        with:
          path: ${{env.EM_CACHE_FOLDER}}
          key: ${{env.EM_VERSION}}-${{ runner.os }}
      - uses: mymindstorm/setup-emsdk@v9
        with:
          version: ${{env.EM_VERSION}}
          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}
      - name: ccache
        uses: hendrikmuhs/ccache-action@v1
      - name: Build examples (with cache)
        run: scripts/build_html_examples.sh
      - name: Build docs
        run: docs/build.py
      - name: Remove .doctrees
        run: rm -rf out_html/.doctrees
      - name: Retrieve version
        run: |
          echo "::set-output name=VERSION_NAME::$(scripts/find_version.sh)"
        id: version
      - name: Deploy to subfolder
        uses: JamesIves/github-pages-deploy-action@3.7.1
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ACCESS_TOKEN: ${{ secrets.LVGL_BOT_TOKEN }}
          REPOSITORY_NAME: lvgl/docs
          BRANCH: gh-pages # The branch the action should deploy to.
          FOLDER: out_html  # The folder the action should deploy.
          TARGET_FOLDER: ${{ steps.version.outputs.VERSION_NAME }}
          GIT_CONFIG_NAME: lvgl-bot
          GIT_CONFIG_EMAIL: lvgl-bot@users.noreply.github.com
          PRESERVE: true
          SINGLE_COMMIT: true
      - name: Deploy to master
        if: github.ref == 'refs/heads/master'
        uses: JamesIves/github-pages-deploy-action@3.7.1
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ACCESS_TOKEN: ${{ secrets.LVGL_BOT_TOKEN }}
          REPOSITORY_NAME: lvgl/docs
          BRANCH: gh-pages # The branch the action should deploy to.
          FOLDER: out_html  # The folder the action should deploy.
          TARGET_FOLDER: master
          GIT_CONFIG_NAME: lvgl-bot
          GIT_CONFIG_EMAIL: lvgl-bot@users.noreply.github.com
          PRESERVE: true
          SINGLE_COMMIT: true
