name: Release

on:
  push:
    tags:
      - 'v*.*.*'
  workflow_dispatch:
    inputs:
      tag:
        description: '发布版本号（如 v0.1.0）'
        required: true
        type: string

permissions:
  contents: write
  # Trusted Publishing (OIDC) 上传 PyPI 所需
  id-token: write

jobs:
  # ─────────────────────────────────────────────────────────────
  # 预检：版本号校验 + 与 pyproject.toml 一致性检查
  # ─────────────────────────────────────────────────────────────
  pre-check:
    name: Pre-release Check
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.meta.outputs.version }}
      tag: ${{ steps.meta.outputs.tag }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: 解析版本号
        id: meta
        run: |
          if [ -n "${{ inputs.tag }}" ]; then
            TAG="${{ inputs.tag }}"
          else
            TAG="${GITHUB_REF#refs/tags/}"
          fi
          # 去除前缀 v
          VERSION="${TAG#v}"
          echo "tag=$TAG" >> $GITHUB_OUTPUT
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "发布版本: $VERSION (tag: $TAG)"

      - name: 校验版本号格式
        run: |
          VERSION="${{ steps.meta.outputs.version }}"
          if ! echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$'; then
            echo "❌ 版本号格式错误: $VERSION（应为 x.y.z 或 x.y.z-rc.n）"
            exit 1
          fi

      - name: 校验 pyproject.toml 版本一致
        run: |
          # 精确提取 [project] 段的 version 字段（避免匹配到依赖的 version）
          PY_VERSION=$(awk '/^\[project\]/{f=1} f&&/^version[[:space:]]*=/{gsub(/[" ]/,"",$3); print $3; exit}' pyproject.toml)
          echo "pyproject.toml version: $PY_VERSION"
          if [ "$PY_VERSION" != "${{ steps.meta.outputs.version }}" ]; then
            echo "❌ pyproject.toml 版本($PY_VERSION) 与 tag 版本(${{ steps.meta.outputs.version }}) 不一致"
            echo "请先更新 pyproject.toml 中的 version 字段"
            exit 1
          fi

  # ─────────────────────────────────────────────────────────────
  # 构建：wheel + sdist（纯 Python，单平台即可）
  # ─────────────────────────────────────────────────────────────
  build:
    name: Build Artifacts
    needs: pre-check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: 安装 uv
        uses: astral-sh/setup-uv@v5
        with:
          version: latest
          enable-cache: true

      - name: 设置 Python 3.13
        uses: actions/setup-python@v5
        with:
          python-version: '3.13'

      - name: 安装依赖
        run: uv sync --extra dev --frozen

      - name: 构建 wheel + sdist
        run: uv build

      - name: 校验产物
        run: |
          echo "待上传产物："
          ls -la dist/
          if [ -z "$(ls -A dist/*.whl dist/*.tar.gz 2>/dev/null)" ]; then
            echo "❌ 未找到 wheel 或 sdist 产物"
            exit 1
          fi

      - name: 上传构建产物
        uses: actions/upload-artifact@v4
        with:
          name: dist
          path: dist/*
          retention-days: 30

  # ─────────────────────────────────────────────────────────────
  # 发布：上传到 PyPI（Trusted Publishing / OIDC）
  # ─────────────────────────────────────────────────────────────
  publish-pypi:
    name: Publish to PyPI
    needs: [pre-check, build]
    runs-on: ubuntu-latest
    environment:
      name: pypi
      url: https://pypi.org/project/pyflowx/${{ needs.pre-check.outputs.version }}
    permissions:
      id-token: write
    steps:
      - name: 下载构建产物
        uses: actions/download-artifact@v4
        with:
          name: dist
          path: dist

      - name: 上传到 PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          attestations: true

  # ─────────────────────────────────────────────────────────────
  # 发布：创建 GitHub Release
  # ─────────────────────────────────────────────────────────────
  release:
    name: Publish Release
    needs: [pre-check, build, publish-pypi]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: 下载构建产物
        uses: actions/download-artifact@v4
        with:
          name: dist
          path: assets

      - name: 整理发布产物
        run: |
          ls -la assets/

      - name: 生成 Release Notes
        id: notes
        run: |
          {
            echo "## pyflowx ${{ needs.pre-check.outputs.version }}"
            echo ""
            echo "### 下载"
            echo ""
            echo "- **Wheel**: \`pyflowx-${{ needs.pre-check.outputs.version }}-py3-none-any.whl\`"
            echo "- **源码包**: \`pyflowx-${{ needs.pre-check.outputs.version }}.tar.gz\`"
            echo ""
            echo "### 安装"
            echo ""
            echo '```bash'
            echo "pip install pyflowx==${{ needs.pre-check.outputs.version }}"
            echo '```'
            echo ""
            echo "### 完整变更日志"
          } > RELEASE_NOTES.md
          {
            echo "content<<EOF"
            cat RELEASE_NOTES.md
            echo "EOF"
          } >> $GITHUB_OUTPUT

      - name: 创建 GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ needs.pre-check.outputs.tag }}
          name: pyflowx ${{ needs.pre-check.outputs.version }}
          body: ${{ steps.notes.outputs.content }}
          files: assets/*
          draft: false
          prerelease: ${{ contains(needs.pre-check.outputs.version, '-') }}
          generate_release_notes: true