name: CI

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

jobs:
  tests:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        python-version: [3.7, 3.8, 3.9, 3.10]
    steps:
      - uses: actions/checkout@v2

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install nox
        run: |
          python -m pip install --upgrade pip
          pip install nox

      - name: Lint and typing
        run: |
          nox -rs lint typing

      - name: Tests
        run: |
          nox -rs tests -- -v

  build_publish:
    runs-on: ubuntu-latest
    needs: tests
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
    steps:
      - uses: actions/checkout@v2

      - name: Set up Python 3.8
        uses: actions/setup-python@v2
        with:
          python-version: 3.8

      - name: Install tools
        run: |
          python -m pip install --upgrade pip
          pip install twine wheel

      - name: Build
        run: |
          python setup.py sdist bdist_wheel

      - name: Publish
        run: |
          export TWINE_USERNAME=${{ secrets.TWINE_USERNAME }}
          export TWINE_PASSWORD=${{ secrets.TWINE_PASSWORD }}
          twine upload dist/*