name: Publish
on:
  push:
    branches:
      - master
    paths-ignore:
      - '.mailmap'
      - 'README.md'
  workflow_dispatch:
    inputs:
      skip-deploy:
        description: 'Skip deployment?'
        required: true
        type: boolean

permissions: {}

env:
  SPHINXOPTS: --color

jobs:
  html:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Extract version
        id: version
        run: |
          v=$(sed -nE "s/^version\s*=\s*['\"]([0-9]+(\.[0-9]+){0,3})['\"]/\1/p" conf.py)
          if [[ -z $v ]]; then
            echo "::error::Could not find a valid version in conf.py"
            exit 1
          fi
          echo "version=$v" >> $GITHUB_OUTPUT
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
      - name: Generate HTML pages
        run: |
          export SOURCE_DATE_EPOCH="$(git log -1 --format=%ct)"
          make html
      - name: Publish HTML pages
        uses: actions/upload-artifact@v3
        with:
          name: ndn-packet-spec-html
          path: _build/html
          if-no-files-found: error

  pdf:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'
      - name: Install dependencies
        run: |
          sudo apt-get -qq update
          sudo apt-get -qy install --no-install-recommends latexmk \
            texlive-latex-extra texlive-fonts-recommended tex-gyre
          python -m pip install --upgrade pip
          pip install -r requirements.txt
      - name: Generate PDF document
        run: |
          export SOURCE_DATE_EPOCH="$(git log -1 --format=%ct)"
          make latexpdf
      - name: Publish PDF document
        uses: actions/upload-artifact@v3
        with:
          name: ndn-packet-spec-pdf
          path: _build/latex/ndn-packet-spec.pdf
          if-no-files-found: error

  deploy:
    if: github.ref_name == 'master' && !inputs.skip-deploy
    needs: html
    uses: named-data/actions/.github/workflows/docs-deployment.yml@v1
    with:
      artifact-name: ndn-packet-spec-html
      version: ${{ needs.html.outputs.version }}
    secrets: inherit