name: Deploy MkDocs to GitHub Pages

on:
  push:
    branches:
      - main
    paths:
      - 'doc/**'
      - '.github/workflows/docs.yml'

permissions:
  contents: write

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Configure Git Credentials
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

      - uses: actions/setup-python@v5
        with:
          python-version: 3.x

      - name: Cache MkDocs dependencies
        run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV

      - uses: actions/cache@v4
        with:
          key: mkdocs-material-${{ env.cache_id }}
          path: .cache
          restore-keys: |
            mkdocs-material-

      - name: Install MkDocs Material
        run: pip install mkdocs-material

      - name: Deploy to GitHub Pages
        run: mkdocs gh-deploy --force --config-file doc/mkdocs.yml