name: Publish documentation

on:
  push:
    branches: [main]
    paths:
      - 'docs/**'
      - 'great_ai/**'
      - 'mkdocs.yaml'
      - '.forgejo/workflows/docs.yml'
  workflow_dispatch:

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

jobs:
  publish:
    runs-on: docker
    steps:
      - uses: actions/checkout@v4
        with:
          # The mkdocs git-revision-date plugin reads each page's git history.
          fetch-depth: 0

      - name: Install uv
        run: |
          curl -LsSf https://astral.sh/uv/install.sh | sh
          echo "$HOME/.local/bin" >> "$GITHUB_PATH"

      - name: Set up Python
        run: uv python install 3.10

      - name: Install dependencies
        run: |
          uv venv --python 3.10
          uv pip install '.[dev]'

      - name: Build documentation
        run: |
          . .venv/bin/activate
          mkdocs build

      # The old workflow ran `mkdocs gh-deploy` (GitHub Pages); on this instance
      # built sites are rsynced into the host /pages mount that nginx serves,
      # via the shared ci-actions/deploy-pages action — same as photos/reconcile.
      - name: Deploy to pages mount
        if: github.ref == 'refs/heads/main'
        uses: http://forgejo:3000/andras/ci-actions/deploy-pages@main
        with:
          source: site
          target: great-ai