name: 质量自动改进

on:
  workflow_run:
    workflows:
      - 质量守卫
    types:
      - completed

permissions:
  contents: read
  actions: read

jobs:
  auto-improve:
    if: >-
      ${{
        github.event.workflow_run.conclusion != 'cancelled' &&
        github.event.workflow_run.head_repository.full_name == github.repository
      }}
    runs-on: ubuntu-latest
    steps:
      - name: 下载质量报告
        id: download
        continue-on-error: true
        uses: actions/download-artifact@v4
        with:
          name: quality-report
          path: quality-report
          run-id: ${{ github.event.workflow_run.id }}
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: 解析质量评分
        id: guard
        run: |
          node <<'NODE'
          const fs = require('fs');
          const path = 'quality-report/quality-report.json';
          let rating = 'unknown';
          let score = 0;
          let threshold = 90;
          let need = 'no_data';
          if (fs.existsSync(path)) {
            const report = JSON.parse(fs.readFileSync(path, 'utf8'));
            rating = report?.rating ?? rating;
            score = Number(report?.score ?? score);
            threshold = Number(report?.threshold ?? threshold);
            if (Number.isFinite(score) && Number.isFinite(threshold)) {
              need = score < threshold ? 'yes' : 'no';
            }
            fs.writeFileSync('quality-auto-improve-context.json', JSON.stringify(report, null, 2));
          }
          const lines = [
            `rating=${rating}`,
            `score=${score}`,
            `threshold=${threshold}`,
            `need_improvement=${need}`
          ];
          console.log(lines.join('\n'));
          if (process.env.GITHUB_OUTPUT) {
            fs.appendFileSync(process.env.GITHUB_OUTPUT, `${lines.join('\n')}\n`);
          }
          NODE

      - name: 当前评分及格则跳过
        if: steps.guard.outputs.need_improvement != 'yes'
        run: echo "当前评级 ${{ steps.guard.outputs.rating || 'unknown' }} 分数 ${{ steps.guard.outputs.score || '0' }} 已满足阈值，无需自动改进。"

      - name: 检出目标提交
        if: steps.guard.outputs.need_improvement == 'yes'
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.workflow_run.head_sha }}
          persist-credentials: false

      - name: 安装 Node.js 环境
        if: steps.guard.outputs.need_improvement == 'yes'
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: 安装依赖
        if: steps.guard.outputs.need_improvement == 'yes'
        run: |
          if ! npm ci; then
            echo 'CI 安装失败，改用 npm install'
            npm install
          fi

      - name: 自动格式化代码
        if: steps.guard.outputs.need_improvement == 'yes'
        run: |
          npx --yes prettier@3.3.3 --write "src/**/*.{js,css,html}" "netlify/**/*.js" "scripts/**/*.js" || true

      - name: ESLint 自动修复
        if: steps.guard.outputs.need_improvement == 'yes'
        run: |
          npx --yes eslint@9.12.0 . --fix || true

      - name: 重新执行质量检查
        if: steps.guard.outputs.need_improvement == 'yes'
        run: npm run quality-check

      - name: 重新执行安全检查
        if: steps.guard.outputs.need_improvement == 'yes'
        run: npm run security-check

      - name: 重新运行测试
        if: steps.guard.outputs.need_improvement == 'yes'
        run: npm test

      - name: 生成改进补丁
        if: steps.guard.outputs.need_improvement == 'yes'
        id: diff
        run: |
          if git status --short | grep .; then
            git diff > quality-auto-improve.patch
            echo 'has_changes=true' >> "$GITHUB_OUTPUT"
          else
            echo 'has_changes=false' >> "$GITHUB_OUTPUT"
          fi

      - name: 上传补丁
        if: steps.guard.outputs.need_improvement == 'yes' && steps.diff.outputs.has_changes == 'true'
        uses: actions/upload-artifact@v4
        with:
          name: quality-auto-improve-patch
          path: quality-auto-improve.patch
          retention-days: 7

      - name: 输出改进报告
        if: steps.guard.outputs.need_improvement == 'yes'
        run: |
          cat <<'TXT' > quality-auto-improve-report.txt
          rating=${{ steps.guard.outputs.rating }}
          score=${{ steps.guard.outputs.score }}
          threshold=${{ steps.guard.outputs.threshold }}
          patch_generated=${{ steps.diff.outputs.has_changes || 'false' }}
          TXT

      - name: 上传改进报告附件
        if: steps.guard.outputs.need_improvement == 'yes'
        uses: actions/upload-artifact@v4
        with:
          name: quality-auto-improve-report
          path: quality-auto-improve-report.txt
          retention-days: 7