name: Update README Table

on:
  push:
    branches:
      - main
    paths:
      - '**/*.js'
      - '**/*.py'

jobs:
  update-readme:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: 检出代码
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: 配置 Python 环境
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: 运行更新脚本
        env:
          TZ: Asia/Shanghai
        run: |
          cat << 'EOF' > update_readme.py
          import os
          import re
          import datetime
          import subprocess

          # 1. 获取更改的文件列表
          try:
              diff_cmd = ['git', 'diff', '--name-only', 'HEAD~1', 'HEAD']
              result = subprocess.run(diff_cmd, capture_output=True, text=True, check=True)
              changed_files = result.stdout.splitlines()
          except Exception:
              changed_files = []

          target_files = [f for f in changed_files if (f.endswith('.js') or f.endswith('.py')) and os.path.exists(f)]
          if not target_files:
              print("没有目标文件变动。")
              exit(0)

          # 2. 提取 Env 名称
          now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
          updates = {}
          for f in target_files:
              with open(f, 'r', encoding='utf-8') as file:
                  content = file.read()
                  match = re.search(r'Env\s*\(\s*["\']([^"\']+)["\']\s*\)', content)
                  if match:
                      updates[match.group(1)] = now

          if not updates:
              print("未发现 Env 标签更新。")
              exit(0)

          # 3. 修改 README
          readme_path = 'README.md'
          if not os.path.exists(readme_path):
              exit(1)

          with open(readme_path, 'r', encoding='utf-8') as f:
              full_text = f.read()

          # --- 这里已经为你填好了标记，请不要再改回空字符串 ---
          start_tag = ""
          end_tag = ""

          if start_tag not in full_text or end_tag not in full_text:
              print("错误：README.md 中缺少锚点标记！")
              exit(1)

          pre_part, temp = full_text.split(start_tag)
          table_section, post_part = temp.split(end_tag)

          lines = table_section.strip().split('\n')
          new_table_lines = []
          updated_names = set()

          for line in lines:
              if line.strip().startswith('|') and '---' not in line and '脚本名称' not in line:
                  parts = [p.strip() for p in line.split('|')]
                  if len(parts) >= 4:
                      name = parts[1]
                      if name in updates:
                          line = f"| {name} | {updates[name]} | ✅ |"
                          updated_names.add(name)
                  if line.strip():
                      new_table_lines.append(line)

          for name, time in updates.items():
              if name not in updated_names:
                  new_table_lines.append(f"| {name} | {time} | ✅ |")

          header = ["| 脚本名称 | 最后一次更新时间 | 当前状态 |", "| :--- | :----: | :----: |"]
          final_content = f"{pre_part}{start_tag}\n" + "\n".join(header + new_table_lines) + f"\n{end_tag}{post_part}"

          with open(readme_path, 'w', encoding='utf-8') as f:
              f.write(final_content)
          EOF
          
          python update_readme.py

      - name: 提交并推送
        run: |
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add README.md
          if ! git diff --staged --quiet; then
            git commit -m "docs: 自动更新脚本状态 [skip ci]"
            git push
          else
            echo "没有变化需要提交"
          fi