name: Deploy documentation

on:
  push:
    branches:
      - main
    paths:
      - 'docs/*'
      - 'include/fastgltf/*.hpp'
  pull_request:
    paths:
      - 'docs/*'
      - 'include/fastgltf/*.hpp'
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    permissions:
      pages: write
      id-token: write
    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}
    steps:
      - uses: actions/checkout@v3

      - name: Install CMake dependencies
        run: sudo apt-get install doxygen

      - name: Install Python dependencies
        run: pip3 install -U Sphinx breathe sphinx_rtd_theme

      - name: Add ~/.local/bin to PATH
        run: PATH=$HOME/.local/bin:$PATH

      - name: Configure CMake project
        run: cmake -B ${{ github.workspace }}/build -DFASTGLTF_ENABLE_DOCS=ON

      - name: Build docs CMake target
        run: cmake --build ${{ github.workspace }}/build --target generate_sphinx --verbose

      - name: Upload pages artifact
        uses: actions/upload-pages-artifact@v2
        if: github.ref == 'refs/heads/main'
        with:
          path: ${{ github.workspace }}/build/docs/sphinx

      - name: Deploy site
        uses: actions/deploy-pages@v2
        if: github.ref == 'refs/heads/main'