name: Build

on: [push, pull_request]

permissions:
  contents: read

jobs:
  build_wheels:
    name: Build and test on ${{ matrix.os }}${{ matrix.numpy-version && format(' (numpy {0})', matrix.numpy-version) || '' }} for ${{ matrix.arch }}
    runs-on: ${{ matrix.runs-on || matrix.os }}
    permissions:
      contents: write
    env:
      CIBW_ARCHS_LINUX: ${{ matrix.arch }}
      CIBW_ARCHS_MACOS: "x86_64 arm64"
      CIBW_ENABLE: cpython-freethreading

    strategy:
      fail-fast: false
      matrix:
        include:
          # Linux x86_64 (build wheels)
          - os: ubuntu-latest
            arch: x86_64
            artifact_name: "linux-x86_64"
            python-version: "3.x"

          # Linux x86_64 (test numpy 1.26)
          - os: ubuntu-latest
            arch: x86_64
            artifact_name: "linux-x86_64_numpy1_26"
            python-version: "3.12"
            numpy-version: "1.26"

          # Linux ARM64 (build wheels)
          - os: ubuntu-24.04-arm
            arch: aarch64
            artifact_name: "linux-aarch64"
            python-version: "3.x"

          # Windows (build wheels)
          - os: windows-latest
            arch: x86_64
            artifact_name: "windows-x86_64"
            python-version: "3.x"

          # Windows ARM64 (build wheels)
          - os: windows-11-arm
            arch: aarch64
            artifact_name: "windows-arm64"
            python-version: "3.x"

          # macOS (build wheels)
          - os: macos-latest
            arch: x86_64
            artifact_name: "macos-universal2"
            python-version: "3.x"

    steps:
      - uses: actions/checkout@v3

      - uses: actions/setup-python@v3
        name: Install Python
        with:
          python-version: ${{ matrix.python-version }}

      # Run tests with specific numpy version
      - name: Install and test with specific numpy version
        if: matrix.numpy-version
        run: |
          pip install "numpy==${{ matrix.numpy-version }}.*"
          pip install -e .
          pip install pytest
          python -m pytest

      # Build wheels only if:
      #   - No numpy version is specified
      #   - Python version is "3.x"
      - name: Build wheels
        if: ${{ !matrix.numpy-version }}
        uses: pypa/cibuildwheel@v3.1.3

      - name: Make sdist
        if: ${{ matrix.os == 'windows-latest' && !matrix.numpy-version }}
        run: |
          python -m pip install build
          python -m build --sdist --outdir wheelhouse .

      - uses: actions/upload-artifact@v4
        if: ${{ !matrix.numpy-version }}
        with:
          name: ${{ matrix.artifact_name }}
          path: ./wheelhouse/*

      - name: Upload to GitHub Release
        if: startsWith(github.ref, 'refs/tags/') && !matrix.numpy-version
        uses: softprops/action-gh-release@v1
        with:
          files: wheelhouse/*