name: Update Documentation

on:
  push:
    branches:
      - master
    paths:
      - '.github/workflows/docs_update.yml'
      - 'docs/**'
      - 'interface/**'
  pull_request:
    branches:
      - master
    paths:
      - '.github/workflows/docs_update.yml'
      - 'docs/**'
      - 'interface/**'
  workflow_dispatch:


permissions:
  contents: read

jobs:
  update:
    runs-on: ubuntu-20.04
    name: Update Online Documentation

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Install doxygen
        run: |
          sudo apt-get -q -o=Dpkg::Use-Pty=0 -y install doxygen graphviz

      - name: Customize for online docs
        working-directory: docs/doxygen
        run: |
          sed -i'' -e "s@<!--EXTRA FOOTER SCRIPT-->@<script>(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-794025-2', 'auto');ga('send', 'pageview');</script>@" \
            custom_footer.html

      - name: Generate documentation
        working-directory: docs/doxygen
        run: |
          ./regen.sh php
          if [[ -s doxygen.log ]]; then
            echo '*** There were warnings during docs generation: ***'
            echo '-----------------------------------------------------------'
            cat doxygen.log
            echo '-----------------------------------------------------------'
            exit 1
          fi

      - name: Upload
        if: github.ref == 'refs/heads/master'
        working-directory: docs/doxygen
        env:
          DOCS_WEBSITE_KEY: ${{secrets.DOCS_WEBSITE_KEY}}
          DOCS_WEBSITE_SSH_CONFIG: ${{secrets.DOCS_WEBSITE_SSH_CONFIG}}
        run: |
          mkdir "$HOME/.ssh"
          echo "$DOCS_WEBSITE_KEY" > "$HOME/.ssh/docs_website_key"
          chmod 600 "$HOME/.ssh/docs_website_key"
          echo "$DOCS_WEBSITE_SSH_CONFIG" > "$HOME/.ssh/config"
          rsync --checksum --compress --delete --out-format='%n' --recursive out/html/ wxdocs:public_html/latest/ \
            2> >(grep -v "Warning: Permanently added" 1>&2)