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: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        target: [x86_64]
    
    steps:
      - uses: actions/checkout@v4
      
      # Only setup python for non-linux, or let maturin handle linux via docker
      - name: Set up Python
        if: runner.os != 'Linux'
        uses: actions/setup-python@v5
        with:
          python-version: '3.12' 
          # Note: On Windows/Mac, to build for multiple python versions, 
          # you usually need multiple setup-python steps or a matrix of python versions.
          # But for now, let's at least get the artifacts downloading correctly.
          # Ideally, you remove this and let maturin find python, but GitHub runners 
          # might only have one default.
          
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable

      - name: Build wheel
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          manylinux: auto # This triggers the Docker container on Linux for multi-python builds
          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

    # FIX: Use merge-multiple to flatten everything into 'dist' automatically
    - name: Download ALL wheels
      uses: actions/download-artifact@v4
      with:
        path: dist
        pattern: wheel-*
        merge-multiple: true

    - name: List Files (Debug)
      run: ls -la dist

    - name: Upload to PyPI
      env:
        MATURIN_PYPI_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
      run: |
        maturin upload --skip-existing --non-interactive dist/*