name: 铸渊 · Bridge E · GitHub Changes → Notion

# 管道 E：main 分支有 push 或 PR 创建/关闭 → 变更摘要同步到 Notion 变更日志数据库
# 依赖 Secrets：
#   NOTION_TOKEN           Notion 集成 token（见仓库 Settings → Secrets → Actions）
#   NOTION_CHANGES_DB_ID   「GitHub 变更日志」Notion 数据库 ID

on:
  push:
    branches: [main]
  pull_request:
    types: [opened, closed]

jobs:
  bridge-changes-to-notion:
    name: 📡 Bridge E · GitHub Changes → Notion
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: read

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 2   # 获取前一次 commit 以便 diff

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      # ── commit push 分支 ──────────────────────────────────
      - name: 📡 同步 commit 变更到 Notion
        if: github.event_name == 'push'
        env:
          NOTION_TOKEN:         ${{ secrets.NOTION_TOKEN }}
          NOTION_CHANGES_DB_ID: ${{ secrets.NOTION_CHANGES_DB_ID }}
          EVENT_TYPE:           commit
          COMMIT_SHA:           ${{ github.sha }}
          COMMIT_MSG:           ${{ github.event.head_commit.message }}
          COMMITTER:            ${{ github.event.head_commit.author.username || github.actor }}
          COMMIT_TIMESTAMP:     ${{ github.event.head_commit.timestamp }}
          CHANGED_FILES:        ${{ join(github.event.commits[0].added, ',') }}
        run: |
          # 从 git diff 提取完整变更文件列表（更完整）
          CHANGED=$(git diff --name-only HEAD~1 HEAD 2>/dev/null | tr '\n' ',' | sed 's/,$//')
          export CHANGED_FILES="${CHANGED:-$CHANGED_FILES}"
          node scripts/notion-bridge.js changes

      # ── PR 分支 ───────────────────────────────────────────
      - name: 📡 同步 PR 变更到 Notion
        if: github.event_name == 'pull_request'
        env:
          NOTION_TOKEN:         ${{ secrets.NOTION_TOKEN }}
          NOTION_CHANGES_DB_ID: ${{ secrets.NOTION_CHANGES_DB_ID }}
          EVENT_TYPE:           pr
          PR_NUMBER:            ${{ github.event.pull_request.number }}
          PR_TITLE:             ${{ github.event.pull_request.title }}
          PR_ACTION:            ${{ github.event.action }}
          PR_MERGED:            ${{ github.event.pull_request.merged }}
          COMMITTER:            ${{ github.event.pull_request.user.login }}
          COMMIT_TIMESTAMP:     ${{ github.event.pull_request.updated_at }}
          COMMIT_SHA:           ${{ github.event.pull_request.head.sha }}
          COMMIT_MSG:           ${{ github.event.pull_request.title }}
        run: node scripts/notion-bridge.js changes