name: Build and deploy docs

on:
  push:
    branches:
      - main
    tags:
      - '*.*.*'
  pull_request:
    branches:
      - main
  workflow_dispatch:

jobs:
  build:
    if: github.repository_owner == 'xonsh'
    runs-on: ubuntu-latest
    name: Xonsh docs to gh-pages
    steps:
      - uses: actions/checkout@v2
      - name: Setup Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.9'
          cache: 'pip'
          cache-dependency-path: 'pyproject.toml'
      - run: pip install -e '.[doc]'
      - name: Build Docs
        run: cd docs && make html
      - uses: tibdex/github-app-token@v1
        if: ${{ github.event_name != 'pull_request' }}
        id: generate-token
        with:
          app_id: ${{ secrets.APP_ID }}
          private_key: ${{ secrets.APP_PRIVATE_KEY }}
          repository: xonsh/xonsh-docs
      - name: Deploy to dev if not tagged
        if: github.event_name != 'pull_request' && !startsWith(github.ref, 'refs/tags/v')
        uses: peaceiris/actions-gh-pages@v3
        with:
          personal_token: ${{ steps.generate-token.outputs.token }}
          external_repository: xonsh/xonsh-docs
          publish_dir: ./docs/_build/html
          destination_dir: dev # latest as in main branch
      - name: Deploy to stable if tagged
        if: github.event_name != 'pull_request' && startsWith(github.ref, 'refs/tags/v')
        uses: peaceiris/actions-gh-pages@v3
        with:
          personal_token: ${{ steps.generate-token.outputs.token }}
          external_repository: xonsh/xonsh-docs
          publish_dir: ./docs/_build/html
#          # todo: implement versioned docs