name: Build and upload Documentation 

on: 
    workflow_dispatch: 
    push: # Only for Testing change later 


env: 
    BUILD_TYPE: RELEASE 

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
    build-and-deploy:
        strategy: 
            matrix:
                patform: [ubuntu-latest]
                python-version: ["3.12"]
        runs-on: ${{ matrix.patform }}

        steps:
            - uses: actions/checkout@v4

            - name: Install System Packages
              uses: awalsh128/cache-apt-pkgs-action@latest
              with:
                packages: libhdf5-dev doxygen
                version: 1.0

            - name: Setup Python
              uses: actions/setup-python@v5
              with:
                python-version: 3.12
                cache: 'pip'
            - name: Install Python Packages
              run: pip install sphinx sphinx_rtd_theme breathe
               

            - name: Build Documentation
              run: |
                mkdir build
                cd build
                cmake -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DSLS_BUILD_DOCS=ON -DSLS_USE_HDF5=ON -DSLS_USE_PYTHON=ON ..
                make -j4 
                make docs

            - name: Upload Documentation Artifact
              uses: actions/upload-pages-artifact@v4
              with:
                path: build/docs/html # maybe we need to upload images as well - so one can click on them? 
        
            - name: Checkout gh-pages
              uses: actions/checkout@v4
              with:
                ref: gh-pages
                path: gh-pages
                
            - name: Copy documentation to gh-pages # create folder structure 
              run: cp build/docs/html/* gh-pages/
              
            - name: Commit and Push changes to gh-pages
              run: |
                cd gh-pages
                git config --global user.name 'github-actions'
                git config --global user.email 'github-actions@github.com'
                git add .
                git commit -m "Update Documentation"
                git push origin gh-pages