name: Build and Upload xarray to PyPI
on:
  release:
    types:
      - published
  push:
    tags:
      - "v*"
  pull_request:
    types: [opened, reopened, synchronize, labeled]
  workflow_dispatch:

jobs:
  build-artifacts:
    runs-on: ubuntu-latest
    if: ${{ github.repository == 'pydata/xarray' && (
      (contains(github.event.pull_request.labels.*.name, 'Release') && github.event_name == 'pull_request') ||
      github.event_name == 'release' ||
      github.event_name == 'workflow_dispatch' ||
      startsWith(github.ref, 'refs/tags/v')
      ) }}
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
      - uses: actions/setup-python@v6
        name: Install Python
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install build twine

      - name: Build tarball and wheels
        run: |
          git clean -xdf
          git restore -SW .
          python -m build

      - name: Check built artifacts
        run: |
          python -m twine check --strict dist/*
          pwd
          if [ -f dist/xarray-0.0.0.tar.gz ]; then
            echo "❌ INVALID VERSION NUMBER"
            exit 1
          else
            echo "✅ Looks good"
          fi
      - uses: actions/upload-artifact@v6
        with:
          name: releases
          path: dist

  test-built-dist:
    needs: build-artifacts
    runs-on: ubuntu-latest
    steps:
      - uses: actions/setup-python@v6
        name: Install Python
        with:
          python-version: "3.12"
      - uses: actions/download-artifact@v7
        with:
          name: releases
          path: dist
      - name: List contents of built dist
        run: |
          ls -ltrh
          ls -ltrh dist

      - name: Verify the built dist/wheel is valid
        run: |
          python -m pip install --upgrade pip
          python -m pip install dist/xarray*.whl
          python -m xarray.util.print_versions

  upload-to-test-pypi:
    needs: test-built-dist
    if: github.event_name == 'push'
    runs-on: ubuntu-latest

    environment:
      name: pypi
      url: https://test.pypi.org/p/xarray
    permissions:
      id-token: write

    steps:
      - uses: actions/download-artifact@v7
        with:
          name: releases
          path: dist
      - name: Publish package to TestPyPI
        if: github.event_name == 'push'
        uses: pypa/gh-action-pypi-publish@v1.13.0
        with:
          repository_url: https://test.pypi.org/legacy/
          verbose: true

  upload-to-pypi:
    needs: test-built-dist
    if: github.event_name == 'release'
    runs-on: ubuntu-latest

    environment:
      name: pypi
      url: https://pypi.org/p/xarray
    permissions:
      id-token: write

    steps:
      - uses: actions/download-artifact@v7
        with:
          name: releases
          path: dist
      - name: Publish package to PyPI
        uses: pypa/gh-action-pypi-publish@v1.13.0
        with:
          verbose: true
