name: Build and deploy Docs site to GitHub Pages

on:
  workflow_dispatch:
  push:
    branches:
      - main

permissions:
  contents: write

jobs:
  github-pages:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repo
        uses: actions/checkout@v6

      - name: Setup Python
        uses: actions/setup-python@v6
        with:
          python-version: '3.11'

      - name: Install uv
        uses: astral-sh/setup-uv@v8.0.0

      - name: Sync Docs Tooling
        run: uv sync --locked --group docs

      - name: Build
        run: uv run --group docs mkdocs build

      - name: Write CNAME
        if: ${{ vars.PAGES_CNAME != '' }}
        run: printf '%s\n' "${{ vars.PAGES_CNAME }}" > site/CNAME

      - name: Deploy to GitHub Pages
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./site
          publish_branch: 'gh-pages'