.github/workflows/doxygen.yml

name: Generate Doxygen documentation

on:
  push:
    tags:
      - '*'
  pull_request:
    branches:
      - main

jobs:
  doxygen:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

    - name: Install Doxygen
      run: sudo apt-get install doxygen graphviz -y

    - name: Generate Doxygen configuration and build it
      run: |
        TAG_NAME=$(echo $GITHUB_REF | sed 's/refs\/tags\///')
        echo $TAG_NAME
        mkdir -p build/doc/docs/$TAG_NAME && cd build && cmake -D BUILD_DOCUMENTATION=ON -D SKIP_CXX_BUILD=ON .. && make doc
        ls doc/docs

    - name: Move contents of html folder one level up
      run: |
        TAG_NAME=$(echo $GITHUB_REF | sed 's/refs\/tags\///')
        mv build/doc/docs/$TAG_NAME/html/* build/doc/docs/$TAG_NAME/
        ls build/doc/docs/$TAG_NAME

    - name: Create index.html for redirect
      run: |
        TAG_NAME=$(echo $GITHUB_REF | sed 's/refs\/tags\///')
        URL="https://frankaemika.github.io/libfranka/${TAG_NAME}/"
        echo $URL
        ls build
        ls build/doc
        ls build/doc/docs
        echo "<html><head><meta http-equiv=\"refresh\" content=\"0; url=$URL\"></head></html>" > build/doc/docs/index.html

    - name: Deploy to GitHub Pages
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_branch: gh-pages
        publish_dir: build/doc/docs