name: Release Notify Workflow

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
      - run: sleep 3

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

      # 2️⃣ 判断是否最终PR
      - name: Check Latest
        id: check
        run: |
          if [ "${{ github.event.pull_request.merge_commit_sha }}" = "${{ steps.head.outputs.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
        run: |
          curl -s \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            ${{ github.event.pull_request.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
        run: |
          CONTENT=$(cat commits.txt | sed ':a;N;$!ba;s/\n/\\n/g')

          SUMMARY=$(curl -s https://dashscope.aliyuncs.com/api/v1/services/aigc/text-generation/generation \
            -H "Authorization: Bearer ${{ secrets.DASHSCOPE_API_KEY }}" \
            -H "Content-Type: application/json" \
            -d "{
              \"model\": \"qwen-plus\",
              \"input\": {
                \"prompt\": \"请用中文总结以下代码提交，输出3-5条，面向测试人员：\\n$CONTENT\"
              }
            }" | 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: |
          python3 << 'PYEOF'
          import json, os
          content = (
            "## 🚀 Release 发布通知\n"
            "> 📦 **分支**: " + os.environ["BRANCH"] + "\n"
            "> 👤 **提交人**: " + os.environ["AUTHOR"] + "\n"
            "> 📝 **标题**: " + os.environ["PR_TITLE"] + "\n\n"
            "### 🧠 AI变更摘要\n" +
            os.environ["AI_SUMMARY"] + "\n\n"
            "---\n"
            "🔗 [查看PR详情](" + os.environ["PR_URL"] + ")"
          )
          payload = {"msgtype": "markdown", "markdown": {"content": content}}
          with open("wechat.json", "w", encoding="utf-8") as f:
            json.dump(payload, f, ensure_ascii=False)
          PYEOF

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