import os
import platform
import re
import shutil
from pathlib import Path
from typing import List


class SystemUtils:

    @staticmethod
    def execute(cmd: str) -> str:
        """
        执行命令，获得返回结果
        """
        try:
            with os.popen(cmd) as p:
                return p.readline().strip()
        except Exception as err:
            print(str(err))
            return ""

    @staticmethod
    def is_docker() -> bool:
        return Path("/.dockerenv").exists()

    @staticmethod
    def is_synology() -> bool:
        if SystemUtils.is_windows():
            return False
        return True if "synology" in SystemUtils.execute('uname -a') else False

    @staticmethod
    def is_windows() -> bool:
        return True if os.name == "nt" else False

    @staticmethod
    def is_macos() -> bool:
        return True if platform.system() == 'Darwin' else False

    @staticmethod
    def copy(src: Path, dest: Path):
        """
        复制
        """
        try:
            shutil.copy2(src, dest)
            return 0, ""
        except Exception as err:
            print(str(err))
            return -1, str(err)

    @staticmethod
    def move(src: Path, dest: Path):
        """
        移动
        """
        try:
            shutil.move(src.replace(dest.name), dest)
            return 0, ""
        except Exception as err:
            print(str(err))
            return -1, str(err)

    @staticmethod
    def link(src: Path, dest: Path):
        """
        硬链接
        """
        try:
            dest.hardlink_to(src)
            return 0, ""
        except Exception as err:
            print(str(err))
            return -1, str(err)

    @staticmethod
    def softlink(src: Path, dest: Path):
        """
        软链接
        """
        try:
            dest.symlink_to(src)
            return 0, ""
        except Exception as err:
            print(str(err))
            return -1, str(err)

    @staticmethod
    def list_files_with_extensions(directory: Path, extensions: list) -> List[Path]:
        """
        获取目录下所有指定扩展名的文件
        """
        if directory.is_file():
            return [directory]

        files = []
        pattern = r".*(" + "|".join(extensions) + ")$"

        # 遍历目录及子目录
        for path in directory.rglob('**/*'):
            if path.is_file() and re.match(pattern, path.name, re.IGNORECASE):
                files.append(path)

        return files

    @staticmethod
    def get_directory_size(path: Path):
        """
        计算目录的大小

        参数:
            directory_path (Path): 目录路径

        返回:
            int: 目录的大小（以字节为单位）
        """
        if not path or not path.exists():
            return 0
        if path.is_file():
            return path.stat().st_size
        total_size = 0
        for path in path.glob('**/*'):
            if path.is_file():
                total_size += path.stat().st_size

        return total_size