name: Publish to TestPyPI

on:
  pull_request:
    branches:
      - main
    paths:
      - 'pyproject.toml'
      - 'tundri/**'

jobs:
  publish-to-testpypi:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == false

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.12'

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

      - name: Set dev version from PR number
        env:
          PR_NUMBER: ${{ github.event.pull_request.number }}
        run: |
          python -c "
          import re, pathlib, os
          content = pathlib.Path('pyproject.toml').read_text()
          base = re.search(r'version = \"([^\"]+)\"', content).group(1)
          dev = f'{base}.dev{os.environ[\"PR_NUMBER\"]}'
          pathlib.Path('pyproject.toml').write_text(
              content.replace(f'version = \"{base}\"', f'version = \"{dev}\"', 1)
          )
          print(f'DEV_VERSION={dev}')
          " >> "$GITHUB_ENV"

      - name: Build package
        run: python -m build

      - name: Check package
        run: twine check dist/*

      - name: Publish to TestPyPI
        env:
          TWINE_USERNAME: __token__
          TWINE_PASSWORD: ${{ secrets.TEST_PYPI_API_TOKEN }}
        run: twine upload --repository testpypi --skip-existing dist/*

      - name: Comment PR with TestPyPI link
        uses: actions/github-script@v6
        with:
          script: |
            const version = process.env.DEV_VERSION;
            const testpypiUrl = `https://test.pypi.org/project/tundri/${version}/`;
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `🚀 Package published to TestPyPI!\n\nYou can test the installation with:\n\`\`\`bash\npip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ tundri==${version}\n\`\`\`\n\nView package: ${testpypiUrl}`
            });