name: 构建发布

on:
  push:
    tags:
      - 'v*'               # 推送 tag 时触发发布
  workflow_dispatch:        # 支持手动触发
    inputs:
      publish-to-pypi:
        description: '发布至 PyPI (true/false)'
        required: false
        default: 'false'

env:
  CARGO_TERM_COLOR: always

jobs:
  # ============================================================
  # Linux x86_64 (manylinux)
  # ============================================================
  linux-x86_64:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: 安装 Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: 安装 Rust 工具链
        uses: dtolnay/rust-toolchain@stable

      - name: 构建 wheel (manylinux)
        uses: PyO3/maturin-action@v1
        with:
          target: x86_64
          working-directory: chanlun-py
          args: --release --out dist
          manylinux: auto

      - name: 上传 wheel 产物
        uses: actions/upload-artifact@v4
        with:
          name: wheels-linux-x86_64
          path: chanlun-py/dist/

  
  # ============================================================
  # macOS wheels (x86_64 + arm64)
  # ============================================================
  macos:
    runs-on: macos-latest
    strategy:
      matrix:
        target: [x86_64, aarch64]
    steps:
      - uses: actions/checkout@v4

      - name: 安装 Rust 工具链
        uses: dtolnay/rust-toolchain@stable

      - name: 安装 Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: 构建 wheel
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          working-directory: chanlun-py
          args: --release --out dist

      - name: 上传 wheel 产物
        uses: actions/upload-artifact@v4
        with:
          name: wheels-macos-${{ matrix.target }}
          path: chanlun-py/dist/

  # ============================================================
  # Windows wheels (x86_64)
  # ============================================================
  windows:
    runs-on: windows-latest
    strategy:
      matrix:
        target: [x64]
    steps:
      - uses: actions/checkout@v4

      - name: 安装 Rust 工具链
        uses: dtolnay/rust-toolchain@stable

      - name: 安装 Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: 构建 wheel
        uses: PyO3/maturin-action@v1
        with:
          target: ${{ matrix.target }}
          working-directory: chanlun-py
          args: --release --out dist

      - name: 上传 wheel 产物
        uses: actions/upload-artifact@v4
        with:
          name: wheels-windows-${{ matrix.target }}
          path: chanlun-py/dist/

  # ============================================================
  # 源码分发包 (sdist)
  # ============================================================
  sdist:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: 安装 Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: 构建 sdist
        uses: PyO3/maturin-action@v1
        with:
          command: sdist
          working-directory: chanlun-py
          args: --out dist

      - name: 上传 sdist 产物
        uses: actions/upload-artifact@v4
        with:
          name: wheels-sdist
          path: chanlun-py/dist/

  # ============================================================
  # 发布至 PyPI
  # ============================================================
  publish:
    needs: [linux-x86_64, macos, windows, sdist]
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/v') || github.event.inputs.publish-to-pypi == 'true'
    permissions:
      id-token: write   # PyPI 信任发布（推荐）

    steps:
      - name: 下载所有产物
        uses: actions/download-artifact@v4
        with:
          path: dist/
          pattern: wheels-*
          merge-multiple: true

      - name: 列出产物
        run: ls -la dist/

      - name: 发布至 PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          packages-dir: dist/