name: gh-pages

on:
  push:
    branches:
      - main
  pull_request:
  release:
    types: [published]

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

env:
  CARGO_TERM_COLOR: always

jobs:
  guide-build:
    runs-on: ubuntu-latest
    outputs:
      tag_name: ${{ steps.prepare_tag.outputs.tag_name }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
      - uses: dtolnay/rust-toolchain@nightly

      - name: Setup mdBook
        uses: taiki-e/install-action@v2
        with:
          tool: mdbook,lychee

      - name: Prepare tag
        id: prepare_tag
        run: |
          TAG_NAME="${GITHUB_REF##*/}"
          echo "::set-output name=tag_name::${TAG_NAME}"

      # This builds the book in target/guide/.
      - name: Build the guide
        run: |
          python -m pip install --upgrade pip && pip install nox
          nox -s check-guide
        env:
          PYO3_VERSION_TAG: ${{ steps.prepare_tag.outputs.tag_name }}

      - name: Deploy docs and the guide
        if: ${{ github.event_name == 'release' }}
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./target/guide/
          destination_dir: ${{ steps.prepare_tag.outputs.tag_name }}
          full_commit_message: "Upload documentation for ${{ steps.prepare_tag.outputs.tag_name }}"