name: Publish to PyPI

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+*'
  workflow_dispatch:

jobs:
  build_and_publish:
    name: Build and Publish All Wheels
    runs-on: ubuntu-latest
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        target: [x86_64]
    
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'
          
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable

      - name: Build wheel
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          command: build
          args: --release --out dist --find-interpreter

      - name: Upload wheel artifact
        uses: actions/upload-artifact@v4
        with:
          name: wheel-${{ matrix.os }}-${{ matrix.target }}
          path: dist/*.whl

  publish:
    name: Publish All Wheels
    needs: [build_and_publish]
    runs-on: ubuntu-latest

    steps:
    - name: Install maturin
      run: pip install maturin

    - name: Download ALL wheels
      uses: actions/download-artifact@v4
      with:
        path: dist

    - name: Flatten and upload
      env:
        PYPI_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
      run: |
        mkdir -p dist/flattened
        rm -rf dist/flattened/*  # Clear
        
        # Copy EVERY wheel from EVERY subdir
        find dist -name "*.whl" | while read wheel; do
          cp "$wheel" dist/flattened/
        done
        
        echo "=== TOTAL WHEELS (should be 9+) ==="
        ls -la dist/flattened/*.whl | wc -l
        
        cd dist/flattened
        echo "=== UPLOADING $(ls *.whl | wc -l) WHEELS ==="
        ls -la *.whl | head -5
        maturin upload --skip-existing --non-interactive *.whl