name: Publish Python SDK

on:
  push:
    branches: [main]
    paths:
      - 'packages/python-sdk/**'

jobs:
  publish-pypi:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'
          cache: 'pip'

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

      - name: Run tests
        working-directory: packages/python-sdk
        run: |
          PYTHONPATH=. pytest tests/ -v

      - name: Get package version
        id: package_version
        working-directory: packages/python-sdk
        run: echo "version=$(python -c "import tomli; print(tomli.load(open('pyproject.toml', 'rb'))['project']['version'])")" >> $GITHUB_OUTPUT

      - name: Check if version already exists
        id: version_check
        run: |
          if pip index versions simstudio-sdk | grep -q "${{ steps.package_version.outputs.version }}"; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Build package
        if: steps.version_check.outputs.exists == 'false'
        working-directory: packages/python-sdk
        run: python -m build

      - name: Check package
        if: steps.version_check.outputs.exists == 'false'
        working-directory: packages/python-sdk
        run: twine check dist/*

      - name: Publish to PyPI
        if: steps.version_check.outputs.exists == 'false'
        working-directory: packages/python-sdk
        env:
          TWINE_USERNAME: __token__
          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
        run: twine upload dist/*

      - name: Log skipped publish
        if: steps.version_check.outputs.exists == 'true'
        run: echo "Skipped publishing because version ${{ steps.package_version.outputs.version }} already exists on PyPI"

      - name: Create GitHub Release
        if: steps.version_check.outputs.exists == 'false'
        uses: softprops/action-gh-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: python-sdk-v${{ steps.package_version.outputs.version }}
          name: Python SDK v${{ steps.package_version.outputs.version }}
          body: |
            ## Python SDK v${{ steps.package_version.outputs.version }}
            
            Published simstudio-sdk==${{ steps.package_version.outputs.version }} to PyPI.
            
            ### Installation
            ```bash
            pip install simstudio-sdk==${{ steps.package_version.outputs.version }}
            ```
            
            ### Documentation
            See the [README](https://github.com/simstudio/sim/tree/main/packages/python-sdk) for usage instructions.
          draft: false
          prerelease: false