name: Release Notify (Ali AI Final)

on:
  pull_request:
    types: [closed]

jobs:
  notify:
    if: >
      github.event.pull_request.merged == true &&
      startsWith(github.event.pull_request.base.ref, 'release')
    runs-on: ubuntu-latest

    steps:
      # 防止 GitHub HEAD 未同步
      - name: Wait for ref sync
        run: sleep 3

      # 1️⃣ 获取分支 HEAD
      - name: Get HEAD
        id: head
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: ${{ github.repository }}
          BASE_REF: ${{ github.event.pull_request.base.ref }}
        run: |
          HEAD_SHA=$(curl -s \
            -H "Authorization: Bearer $GH_TOKEN" \
            "https://api.github.com/repos/$REPO/git/ref/heads/$BASE_REF" \
            | jq -r '.object.sha')
          echo "head_sha=$HEAD_SHA" >> $GITHUB_OUTPUT

      # 2️⃣ 判断是否最终PR
      - name: Check Latest
        id: check
        env:
          MERGE_SHA: ${{ github.event.pull_request.merge_commit_sha }}
          HEAD_SHA: ${{ steps.head.outputs.head_sha }}
        run: |
          if [ "$MERGE_SHA" = "$HEAD_SHA" ]; then
            echo "ok=true" >> $GITHUB_OUTPUT
          else
            echo "ok=false" >> $GITHUB_OUTPUT
          fi

      # 3️⃣ 获取 commits
      - name: Get Commits
        if: steps.check.outputs.ok == 'true'
        id: commits
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COMMITS_URL: ${{ github.event.pull_request.commits_url }}
        run: |
          curl -s \
            -H "Authorization: Bearer $GH_TOKEN" \
            "$COMMITS_URL" \
            | jq -r '.[].commit.message' | head -n 20 > commits.txt

      # 4️⃣ 阿里 AI 总结（通义千问）
      - name: AI Summary (Qwen)
        if: steps.check.outputs.ok == 'true'
        id: ai
        env:
          DASHSCOPE_API_KEY: ${{ secrets.DASHSCOPE_API_KEY }}
        run: |
          COMMIT_MESSAGES=$(cat commits.txt)

          jq -n --arg msgs "请用中文总结以下代码提交，输出3-5条，面向测试人员：
          $COMMIT_MESSAGES" \
            '{"model": "qwen-plus", "input": {"prompt": $msgs}}' > ai_payload.json

          SUMMARY=$(curl -s https://dashscope.aliyuncs.com/api/v1/services/aigc/text-generation/generation \
            -H "Authorization: Bearer $DASHSCOPE_API_KEY" \
            -H "Content-Type: application/json" \
            -d @ai_payload.json | jq -r '.output.text')

          echo "summary<<EOF" >> $GITHUB_OUTPUT
          echo "$SUMMARY" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      # 5️⃣ 企业微信通知（Markdown）
      - name: Notify WeChat
        if: steps.check.outputs.ok == 'true'
        env:
          WECHAT_WEBHOOK: ${{ secrets.WECHAT_WEBHOOK }}
          BRANCH: ${{ github.event.pull_request.base.ref }}
          AUTHOR: ${{ github.event.pull_request.user.login }}
          PR_TITLE: ${{ github.event.pull_request.title }}
          PR_URL: ${{ github.event.pull_request.html_url }}
          AI_SUMMARY: ${{ steps.ai.outputs.summary }}
        run: |
          jq -n \
            --arg branch "$BRANCH" \
            --arg author "$AUTHOR" \
            --arg title "$PR_TITLE" \
            --arg url "$PR_URL" \
            --arg summary "$AI_SUMMARY" \
            '{
              msgtype: "markdown",
              markdown: {
                content: "## 🚀 Release 发布通知\n> 📦 **分支**: \($branch)\n> 👤 **提交人**: \($author)\n> 📝 **标题**: \($title)\n\n### 🧠 AI变更摘要\n\($summary)\n\n---\n🔗 [查看PR详情](\($url))"
              }
            }' > wechat_payload.json

          curl -s "$WECHAT_WEBHOOK" \
            -H 'Content-Type: application/json' \
            -d @wechat_payload.json