# -*- coding: utf-8 -*-
"""用 ctypes RemoveDirectoryW 直接删除空目录（绕过 safe-delete 回收站钩子）。"""
import os, ctypes, sys

ROOT = "docs"
kernel32 = ctypes.windll.kernel32
DRY = "--go" not in sys.argv

REMAIN = ["09-部署运维", "10-项目管理", "11-历史归档"]

def norm(d):
    return os.path.normpath(os.path.join(ROOT, d))

# 收集所有空目录（含嵌套），按深度降序删除
def collect_empty(d):
    out = []
    for root, dirs, files in os.walk(d):
        if not files:
            # 仅当该目录下无任何文件（子目录稍后递归删空）
            out.append(root)
    # 按路径深度降序
    out.sort(key=lambda p: p.count(os.sep), reverse=True)
    return out

all_empty = []
for d in REMAIN:
    dp = norm(d)
    if os.path.isdir(dp):
        # 先确认整棵树无文件
        files = [os.path.join(r, f) for r, _, fs in os.walk(dp) for f in fs]
        if files:
            print("!! 非空，跳过:", d, files[:5]); continue
        all_empty += collect_empty(dp)

print("待删空目录数:", len(all_empty))
if DRY:
    for p in all_empty:
        print("   ", p)
else:
    for p in all_empty:
        lp = ctypes.c_wchar_p(os.path.abspath(p))
        ok = kernel32.RemoveDirectoryW(lp)
        if not ok:
            print("FAIL", p, "err", kernel32.GetLastError())
        else:
            print("RM", p)
    # 最后删顶层（若空）
    for d in REMAIN:
        dp = norm(d)
        if os.path.isdir(dp):
            lp = ctypes.c_wchar_p(os.path.abspath(dp))
            kernel32.RemoveDirectoryW(lp)
    print("DONE")