name: Documentation

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

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

concurrency:
  group: pages
  cancel-in-progress: false

jobs:
  # Runs on pull requests too, so a broken build is caught before it merges.
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7

      - uses: actions/configure-pages@v6

      # uv installs from the committed uv.lock, so the build is reproducible.
      - uses: astral-sh/setup-uv@v10.0.1
        with:
          enable-cache: true

      - run: uv run zensical build --clean

      # Zensical has no plugin API yet, so llms.txt and llms-full.txt are
      # generated from the built site here.
      - run: uv run python scripts/gen_llms.py site

      - uses: actions/upload-pages-artifact@v5
        with:
          path: site

  deploy:
    name: Deploy
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    needs: build
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/deploy-pages@v5
        id: deployment