name: Documentation

on:
  push:
    branches: [ main ]
    paths:
      - 'docs/**'
      - 'mkdocs.yml'
      - '.github/workflows/docs.yml'
  pull_request:
    branches: [ main ]
    paths:
      - 'docs/**'
      - 'mkdocs.yml'
      - '.github/workflows/docs.yml'

concurrency:
  group: docs-${{ github.ref }}
  cancel-in-progress: true

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

jobs:
  build:
    name: Build Documentation
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Install mkdocs and dependencies
        run: pip install mkdocs mkdocs-bootswatch

      - name: Build documentation
        run: mkdocs build --strict

      - name: Upload artifact
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: actions/upload-pages-artifact@v3
        with:
          path: site/

  deploy:
    name: Deploy to GitHub Pages
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4