name: Publish Release

on:
  workflow_dispatch:

permissions:
  contents: write  # Ensure write access to push tags

jobs:
  pypi:
    name: Publish to PyPI
    runs-on: ubuntu-latest

    steps:
    # Step 1: Checkout the code
    - name: Checkout code
      uses: actions/checkout@v3

    # Step 2: Set up Python
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.x'

    # Step 3: Install dependencies
    - name: Install dependencies
      run: pip install toml requests

    # Step 4: Extract current version from pyproject.toml
    - name: Extract current version
      id: get_version
      run: |
        VERSION=$(python -c "import toml; print(toml.load('pyproject.toml')['project']['version'])")
        echo "VERSION=$VERSION" >> $GITHUB_ENV

    # Step 5: Get latest version from PyPI
    - name: Get latest version from PyPI
      id: get_pypi_version
      run: |
        LATEST_PYPI_VERSION=$(python -c "import toml; import requests; PACKAGE_NAME = toml.load('pyproject.toml')['project']['name']; response = requests.get(f'https://pypi.org/pypi/{PACKAGE_NAME}/json'); print(response.json()['info']['version'])")
        echo "LATEST_PYPI_VERSION=$LATEST_PYPI_VERSION" >> $GITHUB_ENV

    # Step 6: Compare current version with the latest tag
    - name: Check if version is bumped
      id: check_version
      run: |
        if [ "${{ env.VERSION }}" = "${{ env.LATEST_PYPI_VERSION }}" ]; then
          echo "Version not bumped. Exiting."
          echo "version_bumped=false" >> $GITHUB_ENV
        else
          echo "Version bumped. Proceeding."
          echo "version_bumped=true" >> $GITHUB_ENV
        fi
    
    # Step 5: Remove problematic optional dependencies
    - name: Strip problematic optional dependencies
      run: |
        python - <<EOF
        import toml
        from pathlib import Path

        pyproject_path = Path("pyproject.toml")
        data = toml.loads(pyproject_path.read_text())
        
        # Process optional dependencies
        optional_deps = data.get("project", {}).get("optional-dependencies", {})
        for key, deps in optional_deps.items():
            new_deps = []
            for dep in deps:
                if "@git" in dep:
                    dep = dep.split("@git")[0].strip()  # Remove everything after "@git"
                new_deps.append(dep)
            optional_deps[key] = new_deps
            
        pyproject_path.write_text(toml.dumps(data))
        EOF

    # Step 7: Install Flit (only if version bumped)
    - name: Install Flit
      if: env.version_bumped == 'true'
      run: pip install flit

    # Step 8: Create .pypirc file (only if version bumped)
    - name: Create .pypirc file
      if: env.version_bumped == 'true'
      run: |
        echo "[pypi]" > ~/.pypirc
        echo "username = __token__" >> ~/.pypirc
        echo "password = ${{ secrets.PYPI_API_TOKEN }}" >> ~/.pypirc

    # Step 9: Build and publish package (only if version bumped)
    - name: Build and Publish Package
      if: env.version_bumped == 'true'
      run: |
        flit build
        flit publish